编写mvc基础代码添加ResponseMessage编写Message关键字

pom.xml

@@ -50,6 +50,10 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>

src/main/java/com/qf/myafterprojecy/MyAfterProjecyApplication.java

@@ -0,0 +1,15 @@
+package com.qf.myafterprojecy;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.qf.myafterprojecy.controller")
+public class MyAfterProjecyApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(MyAfterProjecyApplication.class, args);
+    }
+
+}

src/main/java/com/qf/myafterprojecy/controller/ArticleController.java

@@ -0,0 +1,30 @@
+package com.qf.myafterprojecy.controller;
+
+import com.qf.myafterprojecy.pojo.Article;
+import com.qf.myafterprojecy.pojo.ResponseMessage;
+import com.qf.myafterprojecy.pojo.dto.ArticleDto;
+import com.qf.myafterprojecy.service.IArticleService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/article")
+public class ArticleController {
+
+    /**
+     *
+     */
+    @Autowired
+    IArticleService ArticleService;
+
+    @PostMapping
+    public ResponseMessage<Iterable<Article>>  getArticle(){
+        return ArticleService.getArticleAll();
+    };
+    @GetMapping
+    public ResponseMessage<Article> geybyID(@RequestBody ArticleDto articleDto){
+        System.out.println("id:"+ articleDto.getArticleid());
+        return ArticleService.getArticleByid(Integer.valueOf(articleDto.getArticleid()));
+    }
+
+}

src/main/java/com/qf/myafterprojecy/pojo/Article.java

@@ -0,0 +1,95 @@
+package com.qf.myafterprojecy.pojo;
+
+import lombok.Data;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "article")
+public class Article {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "articleid")
+    private Integer articleid;
+    @Column(name = "title")
+    private String title;
+    @Column(name = "content")
+    private String content;
+    @Column(name = "img")
+    private String img;
+    @Column(name = "typeid")
+    private int typeid;
+    @Column(name = "published_at")
+    private String publisher_at;
+    @Column(name = "created_at")
+    private String created_at;
+
+    public Integer getArticleid() {
+        return articleid;
+    }
+
+    public void setArticleid(Integer articleid) {
+        this.articleid = articleid;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getImg() {
+        return img;
+    }
+
+    public void setImg(String img) {
+        this.img = img;
+    }
+
+    public int getTypeid() {
+        return typeid;
+    }
+
+    public void setTypeid(int typeid) {
+        this.typeid = typeid;
+    }
+
+    public String getPublisher_at() {
+        return publisher_at;
+    }
+
+    public void setPublisher_at(String publisher_at) {
+        this.publisher_at = publisher_at;
+    }
+
+    public String getCreated_at() {
+        return created_at;
+    }
+
+    public void setCreated_at(String created_at) {
+        this.created_at = created_at;
+    }
+
+    @Override
+    public String toString() {
+        return "Article{" +
+                "articleid=" + articleid +
+                ", title='" + title + '\'' +
+                ", content='" + content + '\'' +
+                ", img='" + img + '\'' +
+                ", typeid=" + typeid +
+                ", publisher_at='" + publisher_at + '\'' +
+                ", created_at='" + created_at + '\'' +
+                '}';
+    }
+}

src/main/java/com/qf/myafterprojecy/pojo/ResponseMessage.java

@@ -0,0 +1,19 @@
+package com.qf.myafterprojecy.pojo;
+
+import lombok.Data;
+import org.springframework.http.HttpStatus;
+
+public class ResponseMessage<T> {
+    private  Integer code;
+    private String message;
+    private T data;
+    public ResponseMessage(Integer code, String message, T data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+    }
+    // 接口请求成功
+    public static <T> ResponseMessage<T> success(T data) {
+        return new ResponseMessage(HttpStatus.OK.value(), "success", data);
+    }
+}

src/main/java/com/qf/myafterprojecy/pojo/dto/ArticleDto.java

@@ -0,0 +1,82 @@
+package com.qf.myafterprojecy.pojo.dto;
+
+import javax.persistence.Column;
+
+public class ArticleDto {
+    private Integer articleid;
+    private String title;
+    private String content;
+    private String img;
+    private Integer typeid;
+    private String publisher_at;
+    private String created_at;
+
+    public Integer getArticleid() {
+        return articleid;
+    }
+
+    public void setArticleid(Integer articleid) {
+        this.articleid = articleid;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getImg() {
+        return img;
+    }
+
+    public void setImg(String img) {
+        this.img = img;
+    }
+
+    public Integer getTypeid() {
+        return typeid;
+    }
+
+    public void setTypeid(Integer typeid) {
+        this.typeid = typeid;
+    }
+
+    public String getPublisher_at() {
+        return publisher_at;
+    }
+
+    public void setPublisher_at(String publisher_at) {
+        this.publisher_at = publisher_at;
+    }
+
+    public String getCreated_at() {
+        return created_at;
+    }
+
+    public void setCreated_at(String created_at) {
+        this.created_at = created_at;
+    }
+
+    @Override
+    public String toString() {
+        return "ArticleDto{" +
+                "articleid=" + articleid +
+                ", title='" + title + '\'' +
+                ", content='" + content + '\'' +
+                ", img='" + img + '\'' +
+                ", typeid=" + typeid +
+                ", publisher_at='" + publisher_at + '\'' +
+                ", created_at='" + created_at + '\'' +
+                '}';
+    }
+}

src/main/java/com/qf/myafterprojecy/repository/ArticleRepository.java

@@ -0,0 +1,9 @@
+package com.qf.myafterprojecy.repository;
+
+import com.qf.myafterprojecy.pojo.Article;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ArticleRepository extends CrudRepository<Article,Integer> {
+}

src/main/java/com/qf/myafterprojecy/service/ArticleService.java

@@ -0,0 +1,24 @@
+package com.qf.myafterprojecy.service;
+
+import com.qf.myafterprojecy.pojo.Article;
+import com.qf.myafterprojecy.pojo.ResponseMessage;
+import com.qf.myafterprojecy.repository.ArticleRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ArticleService implements IArticleService{
+    @Autowired
+    ArticleRepository articleRepository;
+
+    @Override
+    public ResponseMessage<Article> getArticleByid(Integer articleid){
+        Article articlenew = articleRepository.findById(articleid).orElseThrow(RuntimeException::new);
+        return ResponseMessage.success(articlenew) ;
+    }
+    @Override
+    public ResponseMessage<Iterable<Article>> getArticleAll(){
+        Iterable<Article>  Articles = articleRepository.findAll();
+        return ResponseMessage.success(Articles);
+    }
+}

src/main/java/com/qf/myafterprojecy/service/IArticleService.java

@@ -0,0 +1,11 @@
+package com.qf.myafterprojecy.service;
+
+import com.qf.myafterprojecy.pojo.Article;
+import com.qf.myafterprojecy.pojo.ResponseMessage;
+
+public interface IArticleService {
+
+    ResponseMessage<Article> getArticleByid(Integer articleid);
+
+    ResponseMessage<Iterable<Article>> getArticleAll();
+}

src/main/resources/application.properties

@@ -0,0 +1,15 @@
+# 应用服务 WEB 访问端口
+server.port=8080
+spring.application.name=web_project
+spring.datasource.url=jdbc:mysql://localhost:3306/webporject
+spring.datasource.username=root
+spring.datasource.password=123456
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+#下面这些内容是为了让MyBatis映射
+#指定Mybatis的Mapper文件
+mybatis.mapper-locations=classpath:mappers/*xml
+#指定Mybatis的实体目录
+mybatis.type-aliases-package=com.qf.myafterprojecy.mybatis.entity

src/main/resources/static/index.html

@@ -0,0 +1,6 @@
+<html>
+    <body>
+        <h1>hello word!!!</h1>
+        <p>this is a html page</p>
+    </body>
+</html>

src/test/java/com/qf/myafterprojecy/MyAfterProjecyApplicationTests.java

@@ -0,0 +1,13 @@
+package com.qf.myafterprojecy;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MyAfterProjecyApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}