第一次提交

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/maven-wrapper.properties

+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar

mvnw.cmd

+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  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,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.1</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.example</groupId>
+    <artifactId>demo3</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>demo3</name>
+    <description>Demo project for Spring Boot</description>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/example/demo3/Demo3Application.java

+package com.example.demo3;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+/**
+ * @author tykj
+ */
+@SpringBootApplication
+@EnableWebMvc
+@EnableSwagger2
+public class Demo3Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Demo3Application.class, args);
+    }
+
+}

src/main/java/com/example/demo3/config/Swagger2Config.java

+package com.example.demo3.config;
+
+import com.google.common.collect.Sets;
+import io.swagger.annotations.Api;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.service.ApiInfo;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+
+/**
+ * @author tykj
+ */
+@Configuration
+public class Swagger2Config extends WebMvcConfigurationSupport {
+
+    @Bean
+    public Docket createRestApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .produces(Sets.newHashSet("application/json"))
+                .consumes(Sets.newHashSet("application/json"))
+                .protocols(Sets.newHashSet("http", "https"))
+                .apiInfo(apiInfo())
+                .forCodeGeneration(true)
+                .useDefaultResponseMessages(true)
+                .select()
+                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
+                .paths(PathSelectors.any())
+                .build()
+                ;
+    }
+
+    private ApiInfo apiInfo() {
+        return new ApiInfoBuilder()
+                // 文档标题
+                .title("XX系统接口文档")
+
+
+                // 文档描述
+                .description("XX系统接口文档与测试页面")
+                .termsOfServiceUrl("http://localhost:8082")
+                .version("v1")
+                .build();
+    }
+
+    /**
+     * 我们使用的 @Configuration 继承了WebMvcConfigurationSupport，导致默认的Swagger静态资源被覆盖，而缺失了配置。
+     * @param registry registry
+     */
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("doc.html")
+                .addResourceLocations("classpath:/META-INF/resources/");
+
+        registry.addResourceHandler("swagger-ui.html")
+                .addResourceLocations("classpath:/META-INF/resources/");
+        registry.addResourceHandler("/webjars/**")
+                .addResourceLocations("classpath:/META-INF/resources/webjars/");
+    }
+
+}

src/main/java/com/example/demo3/controller/Controller.java

+package com.example.demo3.controller;
+
+
+import com.example.demo3.pojo.*;
+import com.example.demo3.service.CommentService;
+import com.example.demo3.service.ConsumerService;
+import com.example.demo3.service.PostChildrenService;
+import com.example.demo3.service.PostService;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * @author tykj
+ *
+ */
+@RestController
+@RequestMapping("/model2")
+@Api(tags = "贴吧平台",description = "贴吧基础接口")
+public class Controller {
+
+    @Autowired
+    private PostService postService;
+
+    @Autowired
+    private ConsumerService consumerService;
+
+    @Autowired
+    private CommentService commentService;
+
+    @Autowired
+    private PostChildrenService postChildrenService;
+
+    @PostMapping("/saveConsumer")
+    @ApiOperation(value = "添加用户")
+    public Consumer saveOne(@RequestBody Consumer consumer){
+        return consumerService.saveOne(consumer);
+    }
+
+    @PostMapping("/savePost")
+    @ApiOperation(value = "新建帖子")
+    public Post saveOnePost(PostVO postVO){
+        return postService.saveOnePost(postVO);
+    };
+
+    @GetMapping("/findAll")
+    @ApiOperation(value = "查看主页面")
+    public List<PostVO> findAll(){
+        return postService.findAll();
+    };
+
+    @GetMapping("/findPost")
+    @ApiOperation(value = "查看帖子")
+    public Post findById(@RequestParam Integer id){
+        return postService.findById(id);
+    }
+
+    @PostMapping("/saveComment")
+    @ApiOperation(value = "添加评论")
+    public Comment saveOne(Comment comment){
+        return commentService.saveOne(comment);
+    }
+
+    @DeleteMapping("/deleteComment")
+    @ApiOperation(value = "删除评论")
+    public ResponseEntity deleteComment(Integer id){
+           commentService.deleteComment(id);
+        return ResponseEntity.status(403).body("删除成功");
+    }
+    @PostMapping("savePostChildren")
+    @ApiOperation(value = "新建回贴")
+    public PostChildren saveOne(PostChildren postChildren){
+        return postChildrenService.saveOne(postChildren);
+    }
+
+    @DeleteMapping("/deletePostChildren")
+    @ApiOperation(value = "删除回帖")
+    public ResponseEntity deleteById(Integer integer){
+        postChildrenService.deleteById(integer);
+        return ResponseEntity.status(403).body("删除成功");
+    }
+
+    @PostMapping("findConsumerPost")
+    @ApiOperation(value = "查询用户帖子")
+    public List<Post> findByConsumerId(Integer consumerId){
+        return postService.findByConsumerId(consumerId);
+    }
+
+
+
+}

src/main/java/com/example/demo3/dao/CommentDao.java

+package com.example.demo3.dao;
+
+import com.example.demo3.pojo.Comment;
+import com.example.demo3.pojo.PostChildren;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import javax.transaction.Transactional;
+import java.util.List;
+
+/**
+ * @author tykj
+ *
+ */
+public interface CommentDao extends JpaRepository<Comment,Integer> {
+
+    /**
+     * 根据回帖ID获取评论
+     * @param postChildrenId
+     * @return
+     */
+    List<Comment> findAllByPostChildrenId(Integer postChildrenId);
+
+    /**
+     * 根据ID删除评论
+     * @param integer
+     */
+    @Transactional(rollbackOn = Exception.class)
+    void deleteCommentById(Integer integer);
+
+    /**
+     * 根据回帖Id删除评论
+     * @param integer
+     */
+    @Transactional(rollbackOn = Exception.class)
+    void deleteCommentByPostChildrenId(Integer integer);
+}

src/main/java/com/example/demo3/dao/ConsumerDao.java

+package com.example.demo3.dao;
+
+import com.example.demo3.pojo.Consumer;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * @author tykj
+ */
+public interface ConsumerDao  extends JpaRepository<Consumer,Integer> {
+
+}

src/main/java/com/example/demo3/dao/PostChildrenDao.java

+package com.example.demo3.dao;
+
+import com.example.demo3.pojo.PostChildren;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import javax.transaction.Transactional;
+import java.util.List;
+
+/**
+ * @author tykj
+ *
+ */
+public interface PostChildrenDao extends JpaRepository<PostChildren,Integer> {
+
+    /**
+     * 根据帖子ID查询回贴
+     * @param postId
+     * @return List
+     */
+    List<PostChildren> findAllByPostId(Integer postId);
+
+    /**
+     * 根据ID删除回帖
+     * @param integer
+     */
+    @Transactional(rollbackOn = Exception.class)
+    void deletePostChildrenById(Integer integer);
+}

src/main/java/com/example/demo3/dao/PostDao.java

+package com.example.demo3.dao;
+
+import com.example.demo3.pojo.Post;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+public interface PostDao extends JpaRepository<Post, Integer> {
+
+
+    /**
+     * 根据用户ID查询帖子
+     * @param integer
+     * @return List
+     */
+    List<Post> findByConsumerId(Integer integer);
+
+}

src/main/java/com/example/demo3/pojo/Comment.java

+package com.example.demo3.pojo;
+
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Comment {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private Integer postChildrenId;
+
+    private Integer consumerId;
+
+    @Transient
+    private String consumerName;
+
+    private String details;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern ="yyyy-MM-dd HH:mm:ss",timezone ="GMT+8")
+    private Date date;
+}

src/main/java/com/example/demo3/pojo/Consumer.java

+package com.example.demo3.pojo;
+
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Consumer {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+}

src/main/java/com/example/demo3/pojo/Post.java

+package com.example.demo3.pojo;
+
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Post {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private Integer consumerId;
+
+    @Transient
+    private String consumerName;
+
+    private String title;
+
+    private String details;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern ="yyyy-MM-dd HH:mm:ss",timezone ="GMT+8")
+    private Date date;
+
+    @Transient
+    private List<PostChildren> children;
+
+
+
+}

src/main/java/com/example/demo3/pojo/PostChildren.java

+package com.example.demo3.pojo;
+
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class PostChildren {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private Integer consumerId;
+
+    private Integer postId;
+
+    @Transient
+    private String consumerName;
+
+    private String details;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern ="yyyy-MM-dd HH:mm:ss",timezone ="GMT+8")
+    private Date date;
+
+    @Transient
+    private List<Comment> comments;
+
+
+
+}

src/main/java/com/example/demo3/pojo/PostVO.java

+package com.example.demo3.pojo;
+
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class PostVO {
+
+    @Id
+    private Integer id;
+
+    private Integer consumerId;
+    @Transient
+    private String consumerName;
+
+    private String title;
+
+    private String details;
+
+    @JsonFormat(shape =JsonFormat.Shape.STRING,pattern ="yyyy-MM-dd HH:mm:ss",timezone ="GMT+8")
+    private Date date;
+
+}

src/main/java/com/example/demo3/service/CommentService.java

+package com.example.demo3.service;
+
+import com.example.demo3.pojo.Comment;
+
+/**
+ * @author tykj
+ */
+public interface CommentService {
+    /**
+     * 添加评论
+     * @param comment
+     * @return
+     */
+    Comment saveOne(Comment comment);
+
+    /**
+     * 删除评论
+     * @param id
+     */
+    void deleteComment(Integer id);
+
+}

src/main/java/com/example/demo3/service/ConsumerService.java

+package com.example.demo3.service;
+
+import com.example.demo3.pojo.Consumer;
+
+/**
+ * @author tykj
+ */
+public interface ConsumerService {
+
+
+    /**
+     * 添加用户
+     * @param consumer
+     * @return consumer
+     */
+    Consumer saveOne(Consumer consumer);
+
+
+
+
+}

src/main/java/com/example/demo3/service/PostChildrenService.java

+package com.example.demo3.service;
+
+
+import com.example.demo3.pojo.PostChildren;
+
+/**
+ * @author tykj
+ */
+public interface PostChildrenService {
+
+    /**
+     * 添加回帖
+     * @param postChildren
+     * @return
+     */
+    PostChildren saveOne(PostChildren postChildren);
+
+    /**
+     * 删除回帖
+     * @param integer
+     */
+
+    void deleteById(Integer integer);
+
+
+
+}

src/main/java/com/example/demo3/service/PostService.java

+package com.example.demo3.service;
+
+import com.example.demo3.pojo.Post;
+import com.example.demo3.pojo.PostVO;
+
+import java.util.List;
+
+/**
+ * @author tykj
+ */
+public interface PostService {
+
+
+    /**
+     * 保存帖子
+     * @param postVO
+     * @return post
+     */
+    Post saveOnePost(PostVO postVO);
+
+    /**
+     * 查看所有帖子
+     * @return List
+     */
+    List<PostVO> findAll();
+
+    /**
+     * 根据帖子id查看详情
+     * @param id
+     * @return post
+     */
+   Post findById(Integer id);
+
+    /**
+     * 查询每个用户的帖子
+     * @param consumerId
+     * @return
+     */
+   List<Post> findByConsumerId(Integer consumerId);
+
+
+
+}

src/main/java/com/example/demo3/service/impl/CommentServiceImpl.java

+package com.example.demo3.service.impl;
+
+import com.example.demo3.dao.CommentDao;
+import com.example.demo3.pojo.Comment;
+import com.example.demo3.service.CommentService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class CommentServiceImpl implements CommentService {
+
+    @Autowired
+    private CommentDao commentDao;
+
+    @Override
+    public Comment saveOne(Comment comment) {
+        comment.setDate(new Date());
+        return commentDao.save(comment);
+    }
+
+    @Override
+    public void deleteComment(Integer id) {
+        commentDao.deleteCommentById(id);
+    }
+}

src/main/java/com/example/demo3/service/impl/ConsumerServiceImpl.java

+package com.example.demo3.service.impl;
+
+import com.example.demo3.dao.ConsumerDao;
+import com.example.demo3.pojo.Consumer;
+import com.example.demo3.service.ConsumerService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class ConsumerServiceImpl implements ConsumerService {
+
+
+    @Autowired
+    private ConsumerDao consumerDao;
+
+
+    @Override
+    public Consumer saveOne(Consumer consumer) {
+        return consumerDao.save(consumer);
+    }
+}

src/main/java/com/example/demo3/service/impl/PostChildrenServiceImpl.java

+package com.example.demo3.service.impl;
+
+import com.example.demo3.dao.CommentDao;
+import com.example.demo3.dao.PostChildrenDao;
+import com.example.demo3.pojo.Comment;
+import com.example.demo3.pojo.PostChildren;
+import com.example.demo3.service.PostChildrenService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class PostChildrenServiceImpl implements PostChildrenService {
+
+    @Autowired
+    private PostChildrenDao postChildrenDao;
+
+    @Autowired
+    private CommentDao commentDao;
+
+
+    @Override
+    public PostChildren saveOne(PostChildren postChildren) {
+        postChildren.setDate(new Date());
+        return postChildrenDao.save(postChildren);
+    }
+
+    @Override
+    public void deleteById(Integer integer) {
+        commentDao.deleteCommentByPostChildrenId(integer);
+        postChildrenDao.deletePostChildrenById(integer);
+    }
+}

src/main/java/com/example/demo3/service/impl/PostServiceImpl.java

+package com.example.demo3.service.impl;
+
+import com.example.demo3.dao.CommentDao;
+import com.example.demo3.dao.ConsumerDao;
+import com.example.demo3.dao.PostChildrenDao;
+import com.example.demo3.dao.PostDao;
+import com.example.demo3.pojo.*;
+import com.example.demo3.service.PostService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Optional;
+
+
+/**
+ * @author tykj
+ */
+@Service
+@Slf4j
+public class PostServiceImpl implements PostService {
+
+    @Autowired
+    private ConsumerDao consumerDao;
+
+    @Autowired
+    private PostDao postDao;
+
+    @Autowired
+    private PostChildrenDao postChildrenDao;
+
+    @Autowired
+    private CommentDao commentDao;
+
+
+
+    @Override
+    public Post saveOnePost(PostVO postVO) {
+        Post post1 = new Post();
+        BeanUtils.copyProperties(postVO,post1);
+        post1.setDate(new Date());
+        return postDao.save(post1);
+    }
+
+    @Override
+    public List<PostVO> findAll() {
+        List<Post> postList = postDao.findAll();
+        List<PostVO> postVOList = new ArrayList<>();
+        for (Post post : postList) {
+            Integer consumerId = post.getConsumerId();
+            Optional<Consumer> byId = consumerDao.findById(consumerId);
+            Consumer consumer = null;
+            if (byId.isPresent()){
+                 consumer = byId.get();
+            }
+            if (consumer != null){
+                post.setConsumerName(consumer.getName());
+            }
+            //进行属性的复制
+            PostVO postVO = new PostVO();
+            BeanUtils.copyProperties(post,postVO);
+            postVOList.add(postVO);
+        }
+        return postVOList;
+    }
+
+    @Override
+    public Post findById(Integer id) {
+            Optional<Post> byId = postDao.findById(id);
+            Post post =null;
+        if (byId.isPresent()){
+                post = byId.get();
+            }
+        List<PostChildren> allByPostId = postChildrenDao.findAllByPostId(id);
+            for (PostChildren postChildren : allByPostId){
+                Integer consumerId = postChildren.getConsumerId();
+                String name = consumerDao.findById(consumerId).get().getName();
+                postChildren.setConsumerName(name);
+                List<Comment> allByPostChildrenId = commentDao.findAllByPostChildrenId(postChildren.getId());
+                for (Comment comment : allByPostChildrenId){
+                    Integer consumerId1 = comment.getConsumerId();
+                    String name1 = consumerDao.findById(consumerId1).get().getName();
+                    comment.setConsumerName(name1);
+                }
+                postChildren.setComments(allByPostChildrenId);
+            }
+            if (post != null){
+                post.setChildren(allByPostId);
+                Optional<Consumer> consumer = consumerDao.findById(post.getConsumerId());
+                post.setConsumerName(consumer.get().getName());
+            }
+
+        return post;
+    }
+
+    @Override
+    public List<Post> findByConsumerId(Integer consumerId) {
+        return postDao.findByConsumerId(consumerId);
+    }
+
+
+}

src/main/resources/application.properties

+server.port=8082
+# mysql jdbc
+spring.datasource.url=jdbc:mysql://localhost:3306/user?serverTimezone=Asia/Shanghai&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.datasource.username=root
+spring.datasource.password=123456
+
+spring.jpa.hibernate.ddl-auto=update
+
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+
+

src/test/java/com/example/demo3/Demo3ApplicationTests.java

+package com.example.demo3;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class Demo3ApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}