commit 752889ad805ef999597b9175149302833c833fab
Author: Kim TaeWon <kimtae9217@gmail.com>
Date:   Tue Jun 29 16:35:19 2021 +0900

    SW중심대학사업단 OSS 업로드

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5097886
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,38 @@
+HELP.md
+.gradle
+build/
+mave-photoBook
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c45c60a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# 2021학년도 1학기 기업연계프로젝트 <br />Mave 서버 API
+
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..d829d58
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,51 @@
+plugins {
+	id 'org.springframework.boot' version '2.4.5'
+	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id "com.ewerk.gradle.plugins.querydsl" version "1.0.10"
+	id 'java'
+}
+
+group = 'com.maveProject'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+configurations {
+	compileOnly {
+		extendsFrom annotationProcessor
+	}
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'com.querydsl:querydsl-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+
+
+	compileOnly 'org.projectlombok:lombok'
+	runtimeOnly 'com.h2database:h2'
+	annotationProcessor 'org.projectlombok:lombok'
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+}
+
+test {
+	useJUnitPlatform()
+}
+
+def querydslDir = "$buildDir/generated/querydsl"
+querydsl {
+	jpa = true
+	querydslSourcesDir = querydslDir
+}
+sourceSets {
+	main.java.srcDir querydslDir
+}
+configurations {
+	querydsl.extendsFrom compileClasspath}
+compileQuerydsl {
+	options.annotationProcessorPath = configurations.querydsl
+}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..442d913
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..4f906e0
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..6809d2b
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1 @@
+rootProject.name = 'mave'
diff --git a/src/main/java/com/maveProject/mave/InitDb.java b/src/main/java/com/maveProject/mave/InitDb.java
new file mode 100644
index 0000000..6c21f03
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/InitDb.java
@@ -0,0 +1,90 @@
+package com.maveProject.mave;
+
+import com.maveProject.mave.domain.*;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.PostConstruct;
+import javax.persistence.EntityManager;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+/**
+ * 임시로 DB에 시작 데이터 넣음
+ */
+
+@Profile("local")
+@RequiredArgsConstructor
+@Component
+public class InitDb {
+
+    private final InitService initService;
+
+    @PostConstruct
+    public void init(){
+        initService.dbInit();
+    }
+
+
+    @Transactional
+    @RequiredArgsConstructor
+    @Component
+    static class InitService{
+
+        private final EntityManager em;
+
+        public void dbInit(){
+            QuestionBank questionBank1 = new QuestionBank();
+            questionBank1.setQuestionNumber(1l);
+            questionBank1.setContent("1. 자신의 좋은 추억 장소는? ");
+
+            QuestionBank questionBank2 = new QuestionBank();
+            questionBank2.setQuestionNumber(2l);
+            questionBank2.setContent("2. 가장 행복했던 기억은? ");
+
+            QuestionBank questionBank3 = new QuestionBank();
+            questionBank3.setQuestionNumber(3l);
+            questionBank3.setContent("3. 아들의 꿈은? ");
+
+            QuestionBank questionBank4 = new QuestionBank();
+            questionBank4.setQuestionNumber(4l);
+            questionBank4.setContent("4. 어머니의 어릴 적 꿈은? ");
+
+            QuestionBank questionBank5 = new QuestionBank();
+            questionBank5.setQuestionNumber(5l);
+            questionBank5.setContent("5. 아버지가 좋아하는 음식은? ");
+
+            em.persist(questionBank1);
+            em.persist(questionBank2);
+            em.persist(questionBank3);
+            em.persist(questionBank4);
+            em.persist(questionBank5);
+
+            Member member = new Member("hello","48690","hello");
+            em.persist(member);
+
+            Group group = new Group("그루비룸", LocalDateTime.now(), IsFinish.NO, Flower.ZERO, 1l,1l);
+
+            member.SetGroup(group);
+            em.persist(group);
+
+            Question question = new Question(group,questionBank1.getContent(),questionBank1.getQuestionNumber());
+            group.setCount();
+            em.persist(question);
+
+            Answer answer = new Answer("미리 한 답변입니다!");
+
+
+            answer.registMember(member);
+            answer.addAnswer(question);
+            answer.registGroup(group);
+            group.minusCount();
+            group.compareState();
+            em.persist(answer);
+
+        }
+
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/MaveApplication.java b/src/main/java/com/maveProject/mave/MaveApplication.java
new file mode 100644
index 0000000..19bd0d5
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/MaveApplication.java
@@ -0,0 +1,15 @@
+package com.maveProject.mave;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@EnableJpaAuditing
+@SpringBootApplication
+public class MaveApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(MaveApplication.class, args);
+	}
+
+}
diff --git a/src/main/java/com/maveProject/mave/controller/FileController.java b/src/main/java/com/maveProject/mave/controller/FileController.java
new file mode 100644
index 0000000..e622164
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/controller/FileController.java
@@ -0,0 +1,81 @@
+package com.maveProject.mave.controller;
+
+import com.maveProject.mave.dto.FileDto;
+import com.maveProject.mave.service.FileService;
+import com.maveProject.mave.util.MD5Generator;
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@RequiredArgsConstructor
+@Controller
+public class FileController {
+
+    private final FileService fileService;
+
+    @PostMapping("/post")
+    public String write(@RequestParam("file") MultipartFile files, Model model) {
+        try {
+            if (files.isEmpty()) {
+                return "redirect:/home";
+            }
+
+            String originalFilename = files.getOriginalFilename();
+            // 파일 이름 가져오기
+            String filename = new MD5Generator(originalFilename).toString(); // 파일 이름 기반 hash값 생성?
+            String savePath = System.getProperty("user.dir") + "\\mave-photoBook"; // mave-photoBook 폴더에 파일 저장
+
+            /* mave-photoBook 폴더가 없다면 생성 */
+            if (!new File(savePath).exists()) {
+                try {
+                    new File(savePath).mkdir();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+            String filePath = savePath + "\\" + filename; // 파일 저장될 위치
+            files.transferTo(new File(filePath)); // files로 넘어온 파일을 filePath 위치에 넘긴다.
+
+            FileDto fileDto = new FileDto();    // 넘어온 file을 dto로 바꿔주는 작업
+            fileDto.setOrigFilename(originalFilename);
+            fileDto.setFilename(filename);
+            fileDto.setFilePath(filePath);
+            Long fileId = fileService.saveFile(fileDto); // fileDto를 DB에 저장한다.
+
+            model.addAttribute("file", fileDto);    // fileDto를 result.html에 넘긴다.
+            model.addAttribute("fileId", fileId);    // 저장한 fileId를 result.html에 넘긴다.
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return "result";
+    }
+
+    @GetMapping("/download/{fileId}")
+    public ResponseEntity<InputStreamResource> fileDownload(@PathVariable("fileId") Long fileId) throws IOException {
+        FileDto fileDto = fileService.getFile(fileId); // DB에 저장된 정보 가져온다.
+        Path path = Paths.get(fileDto.getFilePath()); // 가져온 정보에 저장된 path 가져온다.
+        InputStreamResource resource = new InputStreamResource(Files.newInputStream(path));
+        return ResponseEntity.ok()
+                .contentType(MediaType.parseMediaType("application/octet-stream"))
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + fileDto.getOrigFilename() + "\"")
+                .body(resource);
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/controller/HelloController.java b/src/main/java/com/maveProject/mave/controller/HelloController.java
new file mode 100644
index 0000000..e090338
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/controller/HelloController.java
@@ -0,0 +1,14 @@
+package com.maveProject.mave.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class HelloController {
+
+    @RequestMapping("/home")
+    public String home() {
+        return "home";
+    }
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/Answer.java b/src/main/java/com/maveProject/mave/domain/Answer.java
new file mode 100644
index 0000000..2803576
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/Answer.java
@@ -0,0 +1,60 @@
+package com.maveProject.mave.domain;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+public class Answer extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "answer_id")
+    private Long id;
+
+    private String answerContent;
+
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinColumn(name = "question_id")
+    private Question question;
+
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinColumn(name = "group_id")
+    private Group group;
+
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+
+    //====== 생성 메서드=====//
+
+
+    public Answer(String answerContent) {
+        this.answerContent = answerContent;
+    }
+
+
+    //====== 연관관계 메서드 ======//
+    public void addAnswer(Question question) {
+        this.question = question;
+        question.getAnswers().add(this);
+    }
+
+    public void registGroup(Group group) {
+        this.group = group;
+        group.getAnswers().add(this);
+    }
+
+    public void registMember(Member member) {
+        this.member = member;
+        member.getAnswers().add(this);
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/BaseTimeEntity.java b/src/main/java/com/maveProject/mave/domain/BaseTimeEntity.java
new file mode 100644
index 0000000..a90d023
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/BaseTimeEntity.java
@@ -0,0 +1,26 @@
+package com.maveProject.mave.domain;
+
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import javax.persistence.Column;
+import javax.persistence.EntityListeners;
+import javax.persistence.MappedSuperclass;
+import java.time.LocalDateTime;
+
+@Getter
+@EntityListeners(AuditingEntityListener.class)
+@MappedSuperclass
+public class BaseTimeEntity {
+
+    @CreatedDate
+    @Column(updatable = false)
+    private LocalDateTime createdDate;
+
+    @LastModifiedDate
+    private LocalDateTime lastModifiedDate;
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/CustomQuestion.java b/src/main/java/com/maveProject/mave/domain/CustomQuestion.java
new file mode 100644
index 0000000..86d63ce
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/CustomQuestion.java
@@ -0,0 +1,31 @@
+package com.maveProject.mave.domain;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Getter
+@RequiredArgsConstructor
+@Entity
+public class CustomQuestion {
+
+    @Id @GeneratedValue
+    @Column(name="customQuestion")
+    private Long id;
+
+    private String questionContent;
+
+    private Long diaryDate;
+
+    private Long groupId;
+
+    public CustomQuestion(String questionContent, Long diaryDate, Long groupId) {
+        this.questionContent = questionContent;
+        this.diaryDate = diaryDate;
+        this.groupId = groupId;
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/domain/File.java b/src/main/java/com/maveProject/mave/domain/File.java
new file mode 100644
index 0000000..9041f82
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/File.java
@@ -0,0 +1,39 @@
+package com.maveProject.mave.domain;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+public class File {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "file_id")
+    private Long id; // 파일 고유 Id 값
+
+    @Column(nullable = false)
+    private String origFilename; // 원본 파일 명
+
+    @Column(nullable = false)
+    private String filename; // server에 저장되는 파일명
+
+    @Column(nullable = false)
+    private String filePath; // server에 저장되는 경로
+
+    @Builder
+    public File(Long id, String origFilename, String filename, String filePath) {
+        this.id = id;
+        this.origFilename = origFilename;
+        this.filename = filename;
+        this.filePath = filePath;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/maveProject/mave/domain/Flower.java b/src/main/java/com/maveProject/mave/domain/Flower.java
new file mode 100644
index 0000000..753891e
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/Flower.java
@@ -0,0 +1,21 @@
+package com.maveProject.mave.domain;
+
+import javax.persistence.Column;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+
+public enum Flower {
+    ZERO(0),ONE(1),TWO(2),THREE(3),FOUR(4),FIVE(5);
+
+    private int status;
+
+    Flower(int status){
+        this.status = status;
+    }
+
+    public int flowerStatus(){
+        return status;
+    }
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/Group.java b/src/main/java/com/maveProject/mave/domain/Group.java
new file mode 100644
index 0000000..6ffc501
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/Group.java
@@ -0,0 +1,150 @@
+package com.maveProject.mave.domain;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.temporal.ChronoUnit;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(name = "groups")
+public class Group {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "group_id")
+    private Long id;
+
+    private String groupName;
+
+    private int flowerCount;
+
+    private int remainAnswerCount;
+
+    private LocalDateTime questionTime;
+
+    private Long diaryDate;
+
+    private Long completeDate;
+
+    @Enumerated(EnumType.STRING)
+    private IsFinish status;
+
+    @Enumerated(EnumType.STRING)
+    private Flower flower;
+
+    @OneToMany(mappedBy = "group", cascade = CascadeType.ALL)
+    private List<Member> members = new ArrayList<>();
+
+    @OneToMany(mappedBy = "group", cascade = CascadeType.ALL)
+    private List<Question> questions = new ArrayList<>();
+
+    @OneToMany(mappedBy = "group", cascade = CascadeType.ALL)
+    private List<Answer> answers = new ArrayList<>();
+
+
+    //===== 생성 메서드 =====//
+
+    public Group(String groupName, LocalDateTime questionTime, IsFinish status, Flower flower, Long diaryDate, Long completeDate) {
+        this.groupName = groupName;
+        this.questionTime = questionTime;
+        this.status = status;
+        this.flower = flower;
+        this.diaryDate = diaryDate;
+        this.completeDate = completeDate;
+
+    }
+
+
+    //===== 연관관계 메서드 =====//
+
+    //====== 비즈니스 메서드 =====//
+
+    public Boolean isDateChanged(Long prevDate, Long nextDate){
+        if(prevDate < nextDate){
+            return true;
+        }
+        return false;
+    }
+
+    public void setCompleteDate(Long completeDate){
+        this.completeDate = completeDate;
+    }
+
+    public Long changeDiaryDate(){
+        LocalDate startDate = LocalDate.of(
+                this.questionTime.getYear(),
+                this.questionTime.getMonth(),
+                this.questionTime.getDayOfMonth());
+        Long between =  ChronoUnit.DAYS.between(startDate, LocalDate.now());
+        this.diaryDate = between + 1;
+        return diaryDate;
+    }
+
+    public void minusCount() {
+        if (this.getRemainAnswerCount() == 0) {
+            return;
+        }
+        this.remainAnswerCount--;
+    }
+
+    public int setCount() {
+        remainAnswerCount = this.getMembers().size();
+        return remainAnswerCount;
+    }
+
+    public void changeIsFinish() {
+        status = IsFinish.NO;
+    }
+
+    public Boolean compareState() {
+        if (remainAnswerCount == 0) {
+            status = IsFinish.YES;
+            plusFlowerCount();
+            return true;
+        }
+        return false;
+    }
+
+    public void plusFlowerCount() {
+        flowerCount++;
+    }
+
+    public void flowerStatusCheck() {
+        switch (flowerCount) {
+            case 1:
+                flower = flower.ONE;
+                break;
+            case 2:
+                flower = flower.TWO;
+                break;
+            case 3:
+                flower = flower.THREE;
+                break;
+            case 4:
+                flower = flower.FOUR;
+                break;
+            case 5:
+                flower = flower.FIVE;
+                break;
+            default:
+                flower = flower.ZERO;
+                break;
+        }
+
+        if(flowerCount > 5){
+            flower = flower.FIVE;
+        }
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/IsFinish.java b/src/main/java/com/maveProject/mave/domain/IsFinish.java
new file mode 100644
index 0000000..90cdd85
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/IsFinish.java
@@ -0,0 +1,5 @@
+package com.maveProject.mave.domain;
+
+public enum IsFinish {
+    YES, NO
+}
diff --git a/src/main/java/com/maveProject/mave/domain/Member.java b/src/main/java/com/maveProject/mave/domain/Member.java
new file mode 100644
index 0000000..8631229
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/Member.java
@@ -0,0 +1,69 @@
+package com.maveProject.mave.domain;
+
+import com.maveProject.mave.util.MD5Generator;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+public class Member {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "member_id")
+    private Long id;
+
+    private String userId;
+
+    private String password;
+
+    private String userName;
+
+
+    @ManyToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "group_id")
+    private Group group;
+
+    @OneToMany(mappedBy = "member")
+    private List<Answer> answers = new ArrayList<>();
+
+
+    //======= 생성자 ========//
+
+    public Member(String userId) {
+        this.userId = userId;
+    }
+
+    public Member(String userId, String password, String userName) {
+        this.userId = userId;
+        this.password = password;
+        this.userName = userName;
+    }
+
+    //====== Setter =======//
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+
+    //======= 연관관계 매서드 ========//
+
+    public void SetGroup(Group group) {
+        this.group = group;
+        group.getMembers().add(this);
+    }
+
+    //====== 비즈니스 로직 ======//
+
+    public void changePasswordToHash() {
+        password = Integer.toString(password.hashCode());
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/Question.java b/src/main/java/com/maveProject/mave/domain/Question.java
new file mode 100644
index 0000000..4d8a757
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/Question.java
@@ -0,0 +1,49 @@
+package com.maveProject.mave.domain;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+public class Question extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "question_id")
+    private Long id;
+
+    private String questionContent;
+    private Long questionNumber;
+
+    @ManyToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "group_id")
+    private Group group;
+
+    @OneToMany(mappedBy = "question", cascade = CascadeType.ALL)
+    private List<Answer> answers = new ArrayList<>();
+
+
+    //===== 생성 메서드 =====//
+
+    public Question(Group group, String questionContent, Long questionNumber) {
+        this.group = group;
+        this.questionContent = questionContent;
+        this.questionNumber = questionNumber;
+    }
+
+
+    //===== 연관관계 메서드 =====//
+
+    public void addQuestion(Group group) {
+        this.group = group;
+        group.getQuestions().add(this);
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/domain/QuestionBank.java b/src/main/java/com/maveProject/mave/domain/QuestionBank.java
new file mode 100644
index 0000000..724cbd8
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/domain/QuestionBank.java
@@ -0,0 +1,28 @@
+package com.maveProject.mave.domain;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+/**
+ * 임시로 만든 질문 은행
+ */
+
+@Getter
+@Setter
+@Entity
+public class QuestionBank {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "questionBank_id")
+    private Long id;
+
+    private Long questionNumber;
+
+    private String content;
+}
diff --git a/src/main/java/com/maveProject/mave/dto/FileDto.java b/src/main/java/com/maveProject/mave/dto/FileDto.java
new file mode 100644
index 0000000..899b1eb
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/dto/FileDto.java
@@ -0,0 +1,33 @@
+package com.maveProject.mave.dto;
+
+import com.maveProject.mave.domain.File;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@Data
+public class FileDto {
+    private Long id;
+    private String origFilename;
+    private String filename;
+    private String filePath;
+
+    public File toEntity() {
+        File build = File.builder()
+                .id(id)
+                .origFilename(origFilename)
+                .filename(filename)
+                .filePath(filePath)
+                .build();
+        return build;
+    }
+
+    @Builder
+    public FileDto(Long id, String origFilename, String filename, String filePath) {
+        this.id = id;
+        this.origFilename = origFilename;
+        this.filename = filename;
+        this.filePath = filePath;
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/repository/AnswerRepository.java b/src/main/java/com/maveProject/mave/repository/AnswerRepository.java
new file mode 100644
index 0000000..095381c
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/AnswerRepository.java
@@ -0,0 +1,65 @@
+package com.maveProject.mave.repository;
+
+
+import com.maveProject.mave.domain.Answer;
+import com.querydsl.core.types.Projections;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.Getter;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+
+import static com.maveProject.mave.domain.QAnswer.answer;
+import static com.maveProject.mave.domain.QGroup.group;
+import static com.maveProject.mave.domain.QMember.member;
+import static com.maveProject.mave.domain.QQuestion.question;
+import static com.maveProject.mave.restController.AnswerApiController.AllAnswerResponse;
+
+@Getter
+@Repository
+public class AnswerRepository {
+
+    private final EntityManager em;
+    private final JPAQueryFactory queryFactory;
+
+    public AnswerRepository(EntityManager em) {
+        this.em = em;
+        this.queryFactory = new JPAQueryFactory(em);
+    }
+
+    public Long save(Answer answer) {
+        em.persist(answer);
+        return answer.getId();
+    }
+
+//    public List<Answer> findAllAnswer(Long groupId, Long questionNumber){
+//        return em.createQuery("select a from Answer a " +
+//                " join fetch a.group g" +
+//                " join fetch a.member m" +
+//                " join fetch a.question q" +
+//                " where g.id = :groupId" +
+//                " and q.questionNumber = :questionNumber", Answer.class)
+//                .setParameter("groupId", groupId)
+//                .setParameter("questionNumber", questionNumber)
+//                .getResultList();
+//    }
+
+    public List<AllAnswerResponse> findAllAnswerQuery(Long groupId, Long questionNumber){
+       return queryFactory.select(Projections.constructor(AllAnswerResponse.class,
+               answer.member.userId,
+               answer.answerContent))
+               .from(answer)
+               .join(answer.group,group)
+               .join(answer.member,member)
+               .join(answer.question,question)
+               .where(
+                       group.id.eq(groupId),
+                       question.questionNumber.eq(questionNumber)
+               )
+               .fetch();
+
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/repository/CustomRepository.java b/src/main/java/com/maveProject/mave/repository/CustomRepository.java
new file mode 100644
index 0000000..a345684
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/CustomRepository.java
@@ -0,0 +1,14 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.CustomQuestion;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CustomRepository extends JpaRepository<CustomQuestion,Long> {
+
+    @Query("SELECT C.questionContent FROM CustomQuestion C WHERE C.groupId = ?1 and C.diaryDate = ?2")
+    String findCustomQuestion(Long groupId,Long diaryDate);
+
+}
diff --git a/src/main/java/com/maveProject/mave/repository/FileRepository.java b/src/main/java/com/maveProject/mave/repository/FileRepository.java
new file mode 100644
index 0000000..cc46fc2
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/FileRepository.java
@@ -0,0 +1,7 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.File;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FileRepository extends JpaRepository<File, Long> {
+}
diff --git a/src/main/java/com/maveProject/mave/repository/GroupRepository.java b/src/main/java/com/maveProject/mave/repository/GroupRepository.java
new file mode 100644
index 0000000..ba196da
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/GroupRepository.java
@@ -0,0 +1,36 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.Group;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+
+
+@Getter
+@RequiredArgsConstructor
+@Repository
+public class GroupRepository {
+
+    private final EntityManager em;
+
+    public Long save(Group group){
+        em.persist(group);
+        return group.getId();
+    }
+
+    public Group findById(Long groupId){
+        Group group = em.find(Group.class, groupId);
+        return group;
+    }
+
+    public List<Group> findByName(String name){
+        return em.createQuery("select g from Group g where g.groupName = :name",
+                 Group.class)
+                .setParameter("name", name)
+                .getResultList();
+    }
+
+}
diff --git a/src/main/java/com/maveProject/mave/repository/MemberRepository.java b/src/main/java/com/maveProject/mave/repository/MemberRepository.java
new file mode 100644
index 0000000..6bb138c
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/MemberRepository.java
@@ -0,0 +1,36 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.Member;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+
+@Getter
+@RequiredArgsConstructor
+@Repository
+public class MemberRepository {
+
+    private final EntityManager em;
+
+    public Long save(Member member) {
+        em.persist(member);
+        return member.getId();
+    }
+
+    public Member findById(Long memberId) {
+        Member member = em.find(Member.class, memberId);
+        return member;
+    }
+
+    public List<Member> findByUserId(String userId) {
+        return em.createQuery("select m from Member m where m.userId = :userId",
+                Member.class)
+                .setParameter("userId", userId)
+                .getResultList();
+
+
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/repository/QuestionBankRepository.java b/src/main/java/com/maveProject/mave/repository/QuestionBankRepository.java
new file mode 100644
index 0000000..3f21e00
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/QuestionBankRepository.java
@@ -0,0 +1,28 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.QuestionBank;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+
+@Getter
+@RequiredArgsConstructor
+@Repository
+public class QuestionBankRepository {
+
+    private final EntityManager em;
+
+    public QuestionBank findById(Long questionBankId){
+        QuestionBank questionBank = em.find(QuestionBank.class, questionBankId);
+        return questionBank;
+    }
+
+    public List<QuestionBank> findByNumber(Long questionNumber){
+       return em.createQuery("select q from QuestionBank q where q.questionNumber = :number",QuestionBank.class)
+               .setParameter("number",questionNumber)
+               .getResultList();
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/repository/QuestionRepository.java b/src/main/java/com/maveProject/mave/repository/QuestionRepository.java
new file mode 100644
index 0000000..8b59114
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/repository/QuestionRepository.java
@@ -0,0 +1,82 @@
+package com.maveProject.mave.repository;
+
+import com.maveProject.mave.domain.QGroup;
+import com.maveProject.mave.domain.QQuestion;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.restController.AnswerApiController;
+import com.maveProject.mave.restController.QuestionApiController;
+import com.querydsl.core.types.Projections;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import java.util.List;
+import java.util.Optional;
+
+import static com.maveProject.mave.domain.QGroup.group;
+import static com.maveProject.mave.domain.QQuestion.question;
+
+
+@Repository
+public class QuestionRepository {
+
+    private final EntityManager em;
+    private final JPAQueryFactory queryFactory;
+
+    public QuestionRepository(EntityManager em) {
+        this.em = em;
+        this.queryFactory = new JPAQueryFactory(em);
+    }
+
+    public Long save(Question question){
+        em.persist(question);
+        return question.getId();
+    }
+
+    public Question findById(Long questionId){
+        Question question = em.find(Question.class, questionId);
+        return question;
+    }
+
+    public List<Question> findByNumber(Long questionNumber){
+        return em.createQuery("select q from Question q where q.questionNumber = :questionNumber",
+                Question.class)
+                .setParameter("questionNumber", questionNumber)
+                .getResultList();
+    }
+
+//    public Optional<List<Question>> findByNumberForGroup(Long groupId, Long questionNumber){
+//        return Optional.ofNullable(em.createQuery("select q from Question q join q.group g " +
+//                "where q.questionNumber = :questionNumber and g.id = :groupId",Question.class)
+//                .setParameter("questionNumber",questionNumber)
+//                .setParameter("groupId",groupId)
+//                .getResultList());
+//    }
+
+    public List<Question> findByNumberForGroupQuery(Long groupId, Long questionNumber){
+        return queryFactory
+                .selectFrom(question)
+                .join(question.group,group).fetchJoin()
+                .where( group.id.eq(groupId),
+                        question.questionNumber.eq(questionNumber)
+                )
+                .fetch();
+    }
+
+    public List<QuestionApiController.GiveAllQuestionResponse> findAllQuestionForGroup(Long groupId, Long questionNumber) {
+        return  queryFactory
+                .select(Projections.constructor(QuestionApiController.GiveAllQuestionResponse.class,
+                question.questionContent))
+                .from(question)
+                .join(question.group,group)
+                .where(group.id.eq(groupId),
+                        question.questionNumber.loe(questionNumber))
+
+                .orderBy(question.questionNumber.desc())
+                .fetch();
+
+    }
+
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/restController/AnswerApiController.java b/src/main/java/com/maveProject/mave/restController/AnswerApiController.java
new file mode 100644
index 0000000..e176cf4
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/AnswerApiController.java
@@ -0,0 +1,98 @@
+package com.maveProject.mave.restController;
+
+import com.maveProject.mave.domain.Answer;
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Member;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.service.AnswerService;
+import com.maveProject.mave.service.GroupService;
+import com.maveProject.mave.service.MemberService;
+import com.maveProject.mave.service.QuestionService;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@RestController
+public class AnswerApiController {
+
+    private final QuestionService questionService;
+    private final AnswerService answerService;
+    private final GroupService groupService;
+    private final MemberService memberService;
+
+    /**
+     * 어떤 그룹의 어떤 멤버가 어떤 질문에 대한 답을 했는지 등록합니다.
+     */
+    @PostMapping("/api/answer/{questionNumber}")
+    public RegistAnswerResponse registAnswer(@PathVariable(value = "questionNumber") Long questionNumber,
+                                             @RequestBody RegistAnswerRequest request){
+        Member member = memberService.findMemberByName(request.getUserId());
+        Group group = groupService.findGroup(request.getGroupId());
+        Question question = questionService.findQuestion(group,questionNumber);
+        Answer answer = new Answer(request.getAnswer());
+        answerService.createAnswer(member,group,question,answer);
+        groupService.minusCount(group);
+        Boolean state = groupService.compareState(group);
+        return new RegistAnswerResponse(state ,"답변이 등록되었습니다.");
+
+    }
+
+    /**
+     * 모두 답변을 했을 때, 해당 질문에 대한 답변을 List에 담아 반환합니다.
+     */
+    @PostMapping("/api/allAnswer/{questionNumber}")
+    public  List<AllAnswerResponse>  allAnswer(@PathVariable(value = "questionNumber") Long questionNumber,
+                                       @RequestBody AllAnswerRequest request){
+        List<AllAnswerResponse> result = answerService.findAllAnswer(request.getGroupId(), questionNumber);
+
+        return result;
+    }
+
+
+
+
+
+    //==== DTO =====//
+
+    @Data
+    static class RegistAnswerRequest{
+
+        private String userId;
+        private Long groupId;
+        private String answer;
+
+    }
+
+    @Data
+    static class RegistAnswerResponse{
+        private String answer;
+        private Boolean isFinish;
+
+        public RegistAnswerResponse(Boolean isFinish, String answer) {
+            this.isFinish = isFinish;
+            this.answer = answer;
+        }
+    }
+
+    @Data
+    static class AllAnswerRequest{
+        private Long groupId;
+
+    }
+
+    @Data
+    public static class AllAnswerResponse{
+        private String userId;
+        private String answerContent;
+
+        public AllAnswerResponse(String userId, String answerContent) {
+            this.userId = userId;
+            this.answerContent = answerContent;
+        }
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/restController/CustomApiController.java b/src/main/java/com/maveProject/mave/restController/CustomApiController.java
new file mode 100644
index 0000000..e1ad5ff
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/CustomApiController.java
@@ -0,0 +1,97 @@
+package com.maveProject.mave.restController;
+
+import com.maveProject.mave.domain.CustomQuestion;
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.repository.CustomRepository;
+import com.maveProject.mave.service.GroupService;
+import com.maveProject.mave.service.QuestionService;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+public class CustomApiController {
+
+    private final CustomRepository customRepository;
+    private final GroupService groupService;
+    private final QuestionService questionService;
+
+    @PostMapping("/api/custom")
+    public createCustomQuestionResponse createCustomQuestion(@RequestBody createCustomQuestionRequest request){
+        CustomQuestion customQuestion = new CustomQuestion(request.getQuestionContent(), request.getDiaryDate(),request.getGroupId());
+        customRepository.save(customQuestion);
+        return new createCustomQuestionResponse("questionNumber");
+    }
+
+    @PostMapping("/api/custom/search")
+    public checkCustomResponse checkCustom(@RequestBody checkCustomRequest request){
+        String customQuestion = customRepository.findCustomQuestion(request.groupId, request.diaryDate);
+        return new checkCustomResponse(customQuestion);
+    }
+
+    @PostMapping("/api/custom/{questionNumber}")
+    public UseCustomQuestionResponse useCustomQuestion(@PathVariable(value = "questionNumber") Long questionNumber,
+                                  @RequestBody UseCustomQuestionRequest request){
+        String customQuestion = customRepository.findCustomQuestion(request.groupId, questionNumber);
+        Group group = groupService.findGroup(request.groupId);
+        Question todayQuestion = new Question(group, customQuestion, questionNumber + 1);
+        questionService.createQuestion(todayQuestion);
+        groupService.setCompleteDate(group,questionNumber);
+        groupService.setCount(group);
+        groupService.changeIsFinish(group);
+        return new UseCustomQuestionResponse(customQuestion);
+
+    }
+
+    @Data
+    static class createCustomQuestionRequest{
+        private Long groupId;
+        private Long diaryDate;
+        private String questionContent;
+    }
+
+    @Data
+    static class createCustomQuestionResponse{
+        private String questionContent;
+
+        public createCustomQuestionResponse(String questionContent) {
+            this.questionContent = questionContent;
+        }
+    }
+
+    @Data
+    static class UseCustomQuestionRequest{
+        private Long groupId;
+
+    }
+
+    @Data
+    static class UseCustomQuestionResponse{
+        private String questionContent;
+
+        public UseCustomQuestionResponse(String questionContent) {
+            this.questionContent = questionContent;
+        }
+    }
+
+    @Data
+    static class checkCustomRequest{
+        private Long groupId;
+        private Long diaryDate;
+    }
+
+    @Data
+    static class checkCustomResponse{
+        private String questionContent;
+
+        public checkCustomResponse(String questionContent) {
+            this.questionContent = questionContent;
+        }
+    }
+
+}
diff --git a/src/main/java/com/maveProject/mave/restController/FileApiController.java b/src/main/java/com/maveProject/mave/restController/FileApiController.java
new file mode 100644
index 0000000..2d9fc81
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/FileApiController.java
@@ -0,0 +1,73 @@
+package com.maveProject.mave.restController;
+
+import com.maveProject.mave.dto.FileDto;
+import com.maveProject.mave.service.FileService;
+import com.maveProject.mave.util.MD5Generator;
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@RequiredArgsConstructor
+@RestController
+public class FileApiController {
+
+
+    private final FileService fileService;
+
+    @PostMapping("/api/file")
+    public void write(@RequestParam("file") MultipartFile files) {
+        try {
+            if (files.isEmpty()) {
+                return;
+            }
+            String originalFilename = files.getOriginalFilename();
+            // 파일 이름 가져오기
+            String filename = new MD5Generator(originalFilename).toString(); // 파일 이름 기반 hash값 생성?
+            String savePath = System.getProperty("user.dir") + "\\mave-photoBook"; // mave-photoBook 폴더에 파일 저장
+
+            /* mave-photoBook 폴더가 없다면 생성 */
+            if (!new File(savePath).exists()) {
+                try {
+                    new File(savePath).mkdir();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+            String filePath = savePath + "\\" + filename; // 파일 저장될 위치
+            files.transferTo(new File(filePath)); // files로 넘어온 파일을 filePath 위치에 넘긴다.
+
+            FileDto fileDto = new FileDto();    // 넘어온 file을 dto로 바꿔주는 작업
+            fileDto.setOrigFilename(originalFilename);
+            fileDto.setFilename(filename);
+            fileDto.setFilePath(filePath);
+            Long fileId = fileService.saveFile(fileDto); // fileDto를 DB에 저장한다.
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    @GetMapping("/api/download/{fileId}")
+    public ResponseEntity<InputStreamResource> fileDownload(@PathVariable("fileId") Long fileId) throws IOException {
+        FileDto fileDto = fileService.getFile(fileId); // DB에 저장된 정보 가져온다.
+        Path path = Paths.get(fileDto.getFilePath()); // 가져온 정보에 저장된 path 가져온다.
+        InputStreamResource resource = new InputStreamResource(Files.newInputStream(path));
+        return ResponseEntity.ok()
+                .contentType(MediaType.MULTIPART_FORM_DATA)
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + fileDto.getOrigFilename() + "\"")
+                .body(resource);
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/restController/GroupApiController.java b/src/main/java/com/maveProject/mave/restController/GroupApiController.java
new file mode 100644
index 0000000..0d5b8a9
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/GroupApiController.java
@@ -0,0 +1,137 @@
+package com.maveProject.mave.restController;
+
+
+import com.maveProject.mave.domain.Flower;
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.IsFinish;
+import com.maveProject.mave.domain.Member;
+import com.maveProject.mave.service.GroupService;
+import com.maveProject.mave.service.MemberService;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.stream.Stream;
+
+
+@RequiredArgsConstructor
+@RestController
+public class GroupApiController {
+
+    private final MemberService memberService;
+    private final GroupService groupService;
+
+
+    /**
+     * 그룹을 생성한 후 DB에 저장하는 그룹 생성 api 입니다.
+     */
+    @PostMapping("/api/groups")
+    public CreateGroupResponse createGroup(@RequestBody CreateGroupRequest request) {
+        LocalDateTime questionTime = LocalDateTime.parse(request.getQuestionTime(), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        Group group = new Group(request.getGroupName(),questionTime,IsFinish.NO,Flower.ZERO,1l,1l); // 요청이 들어온 이름으로 그룹 생성
+        groupService.saveGroup(group); // DB에 그룹 저장
+        Member member = memberService.findMemberByName(request.getUserId()); // 그룹에 들어갈 멤버 찾아오기
+        Long groupId = memberService.joinGroup(member, group); // 그룹 가입
+        return new CreateGroupResponse(groupId,group.getDiaryDate());
+    }
+
+    /**
+     * 기존에 있는 그룹에 가입하는 api 입니다.
+     */
+    @PostMapping("/api/groups/{groupId}")
+    public JoinGroupResponse joinGroup(@PathVariable(value = "groupId") Long groupId,
+                                       @RequestBody JoinGroupRequest request) {
+        Member member = memberService.findMemberByName(request.getUserId()); // 그룹에 들어갈 멤버 찾아오기
+        Group group = groupService.findGroup(groupId); // 들어갈 그룹 찾아오기
+        Long joinGroupId = memberService.joinGroup(member, group); // 그룹 가입
+        groupService.setCount(group);
+        groupService.changeIsFinish(group);
+        return new JoinGroupResponse(joinGroupId);
+    }
+
+    /**
+     * 자신이 속한 그룹을 찾는 api 입니다.
+     */
+    @PostMapping("/api/findGroups")
+    public FindGroupResponse findGroup(@RequestBody JoinGroupRequest request) {
+        Member member = memberService.findMemberByName(request.getUserId());
+        Group group = groupService.findGroup(member.getGroup().getId());
+        Boolean isDateChanged = groupService.compareDate(group);
+        group.flowerStatusCheck();
+        String format = group.getQuestionTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        return new FindGroupResponse(group.getId(),group.getGroupName(),group.getFlowerCount(),group.getFlower().flowerStatus(),format,group.getDiaryDate(),group.getCompleteDate(),isDateChanged);
+    }
+
+    //====== DTO ======//
+
+    @Data
+    static class JoinGroupRequest {
+        private String userId;
+
+    }
+
+    @Data
+    static class JoinGroupResponse {
+        private Long groupId;
+
+        public JoinGroupResponse(Long groupId) {
+            this.groupId = groupId;
+        }
+    }
+
+
+    @Data
+    static class CreateGroupRequest {
+        private String userId;
+        private String groupName;
+        private String questionTime;
+    }
+
+
+    @Data
+    static class CreateGroupResponse {
+
+        private Long groupId;
+        private Long diaryDate;
+
+        public CreateGroupResponse(Long groupId, Long diaryDate) {
+            this.groupId = groupId;
+            this.diaryDate = diaryDate;
+        }
+    }
+
+    @Data
+    static class FindGroupResponse{
+        private Long groupId;
+        private String groupName;
+        private int flowerCount;
+        private int flowerStatus;
+        private String questionTime;
+        private Long diaryDate;
+        private Long completeDate;
+        private Boolean isDateChanged;
+
+
+        public FindGroupResponse(Long groupId, String groupName, int flowerCount, int flowerStatus, String questionTime, Long diaryDate,Long completeDate, Boolean isDateChanged) {
+            this.groupId = groupId;
+            this.groupName = groupName;
+            this.flowerCount = flowerCount;
+            this.flowerStatus = flowerStatus;
+            this.questionTime = questionTime;
+            this.diaryDate = diaryDate;
+            this.completeDate = completeDate;
+            this.isDateChanged = isDateChanged;
+
+        }
+    }
+
+
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/restController/MemberApiController.java b/src/main/java/com/maveProject/mave/restController/MemberApiController.java
new file mode 100644
index 0000000..cee0773
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/MemberApiController.java
@@ -0,0 +1,76 @@
+package com.maveProject.mave.restController;
+
+import com.maveProject.mave.domain.Member;
+import com.maveProject.mave.service.MemberService;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+public class MemberApiController {
+
+    private final MemberService memberService;
+
+    /**
+     * 회원가입시 들어오는 정보를 DB에 저장하는 회원가입 api 입니다.
+     */
+    @PostMapping("/api/members")
+    public JoinMemberResponse saveMember(@RequestBody JoinMemberRequest request) {
+        Member member = new Member(request.getUserId(),request.getPassword(),request.getUserName());
+        // 안드로이드에서 넘어온 회원 정보를 이용해 객체 생성
+        member.changePasswordToHash();
+        // 비밀번호를 해쉬코드로 변환한다.
+        Long joinedMemberId = memberService.joinMember(member);
+        // DB에 비밀번호를 저장한다.
+        return new JoinMemberResponse(joinedMemberId);
+    }
+
+    @PostMapping("/api/members/login")
+    public LoginResponse loginCheck(@RequestBody LoginRequest request){
+        Member findMember = memberService.findMemberByName(request.getUserId());
+        // DB에서 로그인을 시도하는 멤버를 가져온다
+        Boolean isOk = memberService.passwordCheck(Integer.toString(request.getPassword().hashCode()), findMember.getPassword());
+        // 요청으로 들어온 비밀번호와 DB에 있는 비밀번호가 일치하는지 확인한다.
+
+        return new LoginResponse(isOk);
+    }
+
+
+    //====== DTO ======//
+
+
+    @Data
+    static class JoinMemberRequest {
+        private String userId;   // 어플에서 유저가 사용하는 ID값
+        private String password; // 어플에서 유저가 사용하는 비밀번호값
+        private String userName; // 어플에서 유저가 사용하는 이름값
+    }
+
+    @Data
+    static class JoinMemberResponse {
+        private Long userId;    // DB에 저장된 user의 PK값
+
+        public JoinMemberResponse(Long userId) {
+            this.userId = userId;
+        }
+    }
+
+    @Data
+    static class LoginRequest {
+        private String userId;
+        private String password;
+    }
+
+    @Data
+    static class LoginResponse {
+        private Boolean isLoginOk;
+
+        public LoginResponse(Boolean isLoginOk) {
+            this.isLoginOk = isLoginOk;
+        }
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/restController/QuestionApiController.java b/src/main/java/com/maveProject/mave/restController/QuestionApiController.java
new file mode 100644
index 0000000..fba4211
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/restController/QuestionApiController.java
@@ -0,0 +1,86 @@
+package com.maveProject.mave.restController;
+
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.domain.QuestionBank;
+import com.maveProject.mave.service.GroupService;
+import com.maveProject.mave.service.QuestionBankService;
+import com.maveProject.mave.service.QuestionService;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@RestController
+public class QuestionApiController {
+
+    private final QuestionBankService questionBankService;
+    private final QuestionService questionService;
+    private final GroupService groupService;
+
+    /**
+     * 오늘의 질문을 보내줍니다.
+     */
+    @PostMapping("/api/question/{questionNumber}")
+    public GiveQuestionResponse giveQuestion(
+            @PathVariable(value = "questionNumber")
+                    Long questionNumber,
+            @RequestBody
+                    GiveQuestionRequest request) {
+        QuestionBank question = questionBankService.findQuestion(questionNumber);
+        Group group = groupService.findGroup(request.groupId);
+        Question todayQuestion = new Question(group, question.getContent(), question.getQuestionNumber());
+        questionService.createQuestion(todayQuestion);
+        groupService.setCompleteDate(group,questionNumber);
+        groupService.setCount(group);
+        groupService.changeIsFinish(group);
+        return new GiveQuestionResponse(question.getContent());
+    }
+
+
+    /**
+     * 지난 질문들을 List에 담아 반환해줍니다.
+     */
+    @PostMapping("/api/allQuestion/{questionNumber}")
+    public List<GiveAllQuestionResponse> giveAllQuestion(@PathVariable(value = "questionNumber") Long questionNumber,
+                                                         @RequestBody GiveAllQuestionRequest request) {
+        Group group = groupService.findGroup(request.groupId);
+        List<GiveAllQuestionResponse> result = questionService.findAllQuestion(group, questionNumber);
+        return result;
+    }
+
+
+    //===== DTO =====/
+
+    @Data
+    static class GiveQuestionRequest {
+        private Long groupId;
+
+    }
+
+    @Data
+    static class GiveQuestionResponse {
+        private String questionContent;
+
+        public GiveQuestionResponse(String questionContent) {
+            this.questionContent = questionContent;
+        }
+    }
+
+    @Data
+    static class GiveAllQuestionRequest {
+        private Long groupId;
+
+    }
+
+    @Data
+    public static class GiveAllQuestionResponse {
+        private String questionContent;
+
+        public GiveAllQuestionResponse(String questionContent) {
+            this.questionContent = questionContent;
+        }
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/service/AnswerService.java b/src/main/java/com/maveProject/mave/service/AnswerService.java
new file mode 100644
index 0000000..66745b1
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/AnswerService.java
@@ -0,0 +1,45 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.Answer;
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Member;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.repository.AnswerRepository;
+import com.maveProject.mave.restController.AnswerApiController;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class AnswerService {
+
+    private final AnswerRepository answerRepository;
+
+
+    @Transactional
+    public void createAnswer(Member member, Group group, Question question, Answer answer){
+        answer.registMember(member);
+        answer.addAnswer(question);
+        answer.registGroup(group);
+        answerRepository.save(answer);
+    }
+
+    public List<AnswerApiController.AllAnswerResponse> findAllAnswer(Long groupId, Long questionNumber){
+        return answerRepository.findAllAnswerQuery(groupId, questionNumber);
+    }
+
+
+
+
+
+
+
+
+
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/service/FileService.java b/src/main/java/com/maveProject/mave/service/FileService.java
new file mode 100644
index 0000000..ca96633
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/FileService.java
@@ -0,0 +1,35 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.File;
+import com.maveProject.mave.dto.FileDto;
+import com.maveProject.mave.repository.FileRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class FileService {
+
+    private final FileRepository fileRepository;
+
+    @Transactional
+    public Long saveFile(FileDto fileDto){
+        return fileRepository.save(fileDto.toEntity()).getId();
+    }
+
+    @Transactional
+    public FileDto getFile(Long id){
+        File file = fileRepository.findById(id).get();
+
+        FileDto fileDto = FileDto.builder()
+                .id(id)
+                .origFilename(file.getOrigFilename())
+                .filename(file.getFilename())
+                .filePath(file.getFilePath())
+                .build();
+
+        return fileDto;
+    }
+}
diff --git a/src/main/java/com/maveProject/mave/service/GroupService.java b/src/main/java/com/maveProject/mave/service/GroupService.java
new file mode 100644
index 0000000..bf621e9
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/GroupService.java
@@ -0,0 +1,61 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.repository.GroupRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class GroupService {
+
+    private final GroupRepository groupRepository;
+
+    @Transactional
+    public Long saveGroup(Group group){
+       return  groupRepository.save(group);
+
+    }
+
+    @Transactional
+    public Group findGroup(Long groupId){
+        return groupRepository.findById(groupId);
+    }
+
+    @Transactional
+    public int setCount(Group group){
+      return group.setCount();
+    }
+
+    @Transactional
+    public void setCompleteDate(Group group,Long questionNumber){
+        group.setCompleteDate(questionNumber);
+
+    }
+
+    @Transactional
+    public void changeIsFinish(Group group){
+        group.changeIsFinish();
+    }
+
+    @Transactional
+    public void minusCount(Group group){
+        group.minusCount();
+    }
+
+    @Transactional
+    public Boolean compareState(Group group){
+        return group.compareState();
+    }
+
+    @Transactional
+    public Boolean compareDate(Group group){
+        Long prevDate = group.getDiaryDate();
+        Long changedDate = group.changeDiaryDate();
+//        Long changedDate = 3l; 테스트용!
+        return group.isDateChanged(prevDate, changedDate);
+    }
+
+}
diff --git a/src/main/java/com/maveProject/mave/service/MemberService.java b/src/main/java/com/maveProject/mave/service/MemberService.java
new file mode 100644
index 0000000..ab8788d
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/MemberService.java
@@ -0,0 +1,57 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Member;
+import com.maveProject.mave.repository.GroupRepository;
+import com.maveProject.mave.repository.MemberRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class MemberService {
+
+    private final MemberRepository memberRepository;
+    private final GroupRepository groupRepository;
+
+
+    @Transactional
+    public Long joinMember(Member member){
+        return  memberRepository.save(member);
+
+    }
+
+    @Transactional
+    public Long joinGroup(Member member,Group group){
+        member.SetGroup(group);
+        return member.getGroup().getId();
+    }
+
+    public Member findMember(Long memberId){
+        return  memberRepository.findById(memberId);
+    }
+
+    public Member findMemberByName(String userId){
+        return memberRepository.findByUserId(userId).get(0);
+    }
+
+    public Boolean passwordCheck(String userPassword, String inDbPassword){
+        if(userPassword.equals(inDbPassword)){
+            return true;
+        }else {
+            return false;
+        }
+    }
+
+
+
+
+
+
+
+
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/service/QuestionBankService.java b/src/main/java/com/maveProject/mave/service/QuestionBankService.java
new file mode 100644
index 0000000..cd6fb41
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/QuestionBankService.java
@@ -0,0 +1,21 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.QuestionBank;
+import com.maveProject.mave.repository.QuestionBankRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class QuestionBankService {
+
+    private final QuestionBankRepository questionBankRepository;
+
+    public QuestionBank findQuestion(Long questionNumber){
+        return questionBankRepository.findByNumber(questionNumber).get(0);
+    }
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/service/QuestionService.java b/src/main/java/com/maveProject/mave/service/QuestionService.java
new file mode 100644
index 0000000..99c087f
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/service/QuestionService.java
@@ -0,0 +1,39 @@
+package com.maveProject.mave.service;
+
+import com.maveProject.mave.domain.Group;
+import com.maveProject.mave.domain.Question;
+import com.maveProject.mave.repository.QuestionRepository;
+import com.maveProject.mave.restController.QuestionApiController;
+import com.sun.org.apache.xpath.internal.operations.Bool;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Optional;
+
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+@Service
+public class QuestionService {
+
+    private final QuestionRepository questionRepository;
+
+    @Transactional
+    public Long createQuestion(Question question) {
+        return questionRepository.save(question);
+    }
+
+    public Question findQuestion(Group group, Long questionNumber) {
+        return questionRepository.findByNumberForGroupQuery(group.getId(), questionNumber).get(0);
+    }
+
+    public List<QuestionApiController.GiveAllQuestionResponse> findAllQuestion(Group group, Long questionNumber) {
+        return questionRepository.findAllQuestionForGroup(group.getId(), questionNumber);
+    }
+
+
+
+
+
+}
diff --git a/src/main/java/com/maveProject/mave/util/MD5Generator.java b/src/main/java/com/maveProject/mave/util/MD5Generator.java
new file mode 100644
index 0000000..94104e7
--- /dev/null
+++ b/src/main/java/com/maveProject/mave/util/MD5Generator.java
@@ -0,0 +1,30 @@
+package com.maveProject.mave.util;
+
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.time.LocalDateTime;
+
+public class MD5Generator {
+
+    private String result;
+
+    public MD5Generator(String input) throws UnsupportedEncodingException, NoSuchAlgorithmException {
+        LocalDateTime now = LocalDateTime.now();
+        String fileName = input + now.toString();
+        MessageDigest md5 = MessageDigest.getInstance("MD5");
+        md5.update(fileName.getBytes(StandardCharsets.UTF_8));
+        byte[] md5Hash = md5.digest();
+        StringBuilder hexMD5Hash = new StringBuilder();
+        for (byte b : md5Hash) {
+            String hexString = String.format("%02x", b);
+            hexMD5Hash.append(hexString);
+        }
+        result = hexMD5Hash.toString();
+    }
+
+    public String toString(){
+        return result;
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..2a0b50e
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1,17 @@
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.username=sa
+spring.datasource.driver-class-name=org.h2.Driver
+
+spring.profiles.active=local
+
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2-console
+
+spring.jpa.hibernate.ddl-auto=create
+spring.jpa.properties.hibernate.format_sql=true
+spring.jpa.properties.hibernate.show_sql=true
+
+spring.jpa.properties.hibernate.default_batch_fetch_size = 500
+
+logging.level.org.hibernate.sql=debug
+
diff --git a/src/main/resources/templates/home.html b/src/main/resources/templates/home.html
new file mode 100644
index 0000000..8041fae
--- /dev/null
+++ b/src/main/resources/templates/home.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html lang="ko">
+<head>
+    <meta charset="UTF-8">
+    <title>게시판 - 글쓰기</title>
+</head>
+<body>
+    <form action="/post" method="post" enctype="multipart/form-data">
+        <label for="inputFile" class="col-sm-2 col-form-label"><strong>첨부 파일</strong></label>
+        <div class="custom-file" id="inputFile">
+            <input name="file" type="file" class="custom-file-input" id="customFile">
+            <label class="custom-file-label" for="customFile">파일을 선택해 주세요.</label>
+        </div>
+        <div class="row">
+            <div class="col-auto mr-auto"></div>
+            <div class="col-auto">
+                <input class="btn btn-primary" type="submit" role="button" value="글쓰기">
+            </div>
+        </div>
+    </form>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/templates/result.html b/src/main/resources/templates/result.html
new file mode 100644
index 0000000..13798ae
--- /dev/null
+++ b/src/main/resources/templates/result.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="ko" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>결과</title>
+
+</head>
+<body>
+
+<h1>목록</h1>
+<li>
+    <span th:text="${file.filename}"></span>
+    <a href="#" th:href="${'download/'+fileId}">[download]</a>
+</li>
\ No newline at end of file
diff --git a/src/test/java/com/maveProject/mave/MaveApplicationTests.java b/src/test/java/com/maveProject/mave/MaveApplicationTests.java
new file mode 100644
index 0000000..2202018
--- /dev/null
+++ b/src/test/java/com/maveProject/mave/MaveApplicationTests.java
@@ -0,0 +1,13 @@
+package com.maveProject.mave;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MaveApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}
diff --git a/src/test/java/com/maveProject/mave/Testststst.java b/src/test/java/com/maveProject/mave/Testststst.java
new file mode 100644
index 0000000..ae0b9cc
--- /dev/null
+++ b/src/test/java/com/maveProject/mave/Testststst.java
@@ -0,0 +1,44 @@
+package com.maveProject.mave;
+
+import com.maveProject.mave.domain.Flower;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.temporal.ChronoUnit;
+
+public class Testststst {
+
+    @Test
+    void teststst(){
+        LocalTime localTime = LocalTime.of(23, 10);
+        System.out.println("localTime = " + localTime);
+        LocalTime now = LocalTime.now();
+        System.out.println("now = " + now);
+        boolean before = localTime.isBefore(now);
+
+        System.out.println("before = " + before);
+    }
+
+
+    @Test
+    void testststDSFDSF(){
+        LocalDate startDate = LocalDate.of(
+               2021,
+                5,
+                31);
+
+        LocalDate endDate = LocalDate.of(
+                2021,
+                6,
+                1);
+
+
+        long between = ChronoUnit.DAYS.between(startDate, endDate);
+        System.out.println("between = " + between);
+    }
+
+
+
+
+}
diff --git a/src/test/java/com/maveProject/mave/controller/FileControllerTest.java b/src/test/java/com/maveProject/mave/controller/FileControllerTest.java
new file mode 100644
index 0000000..36f3465
--- /dev/null
+++ b/src/test/java/com/maveProject/mave/controller/FileControllerTest.java
@@ -0,0 +1,27 @@
+package com.maveProject.mave.controller;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FileControllerTest {
+
+    @Test
+    public void localDateTimeTest() throws InterruptedException {
+        LocalDateTime now = LocalDateTime.now();
+        //given
+        Thread.sleep(100);
+        LocalDateTime now1 = LocalDateTime.now();
+
+        System.out.println("now = " + now);
+        System.out.println("now1 = " + now1);
+
+
+        //when
+
+        //then
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/resources/application.properties b/src/test/resources/application.properties
new file mode 100644
index 0000000..623c546
--- /dev/null
+++ b/src/test/resources/application.properties
@@ -0,0 +1,17 @@
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.username=sa
+spring.datasource.driver-class-name=org.h2.Driver
+
+spring.profiles.active=test
+
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2-console
+
+spring.jpa.hibernate.ddl-auto=create
+spring.jpa.properties.hibernate.format_sql=true
+spring.jpa.properties.hibernate.show_sql=true
+
+spring.jpa.properties.hibernate.default_batch_fetch_size = 500
+
+logging.level.org.hibernate.sql=debug
+