新增全局报错处理统 优化代码结构 article基础代码完成

pom.xml

@@ -54,6 +54,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
         </dependency>
+        <!--参数校验-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>
@@ -65,6 +70,7 @@
                 <scope>import</scope>
             </dependency>
         </dependencies>
+
     </dependencyManagement>
 
     <build>

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

@@ -0,0 +1,13 @@
+package com.qf.myafterprojecy;
+
+import com.qf.myafterprojecy.pojo.ResponseMessage;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+    @ExceptionHandler(value=Exception.class)
+    public ResponseMessage<String> handleException(Exception e){
+        return new ResponseMessage<>(500,"服务器异常",e.getMessage());
+    }
+}

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

@@ -5,6 +5,7 @@ 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.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
@@ -17,14 +18,24 @@ public class ArticleController {
     @Autowired
     IArticleService ArticleService;
 
-    @PostMapping
-    public ResponseMessage<Iterable<Article>>  getArticle(){
-        return ArticleService.getArticleAll();
-    };
     @GetMapping
-    public ResponseMessage<Article> geybyID(@RequestBody ArticleDto articleDto){
+    public  ResponseMessage<Iterable<Article>>  getArticleAllByID(@Validated @RequestBody  ArticleDto  articleDto){
-        System.out.println("id:"+ articleDto.getArticleid());
+        return ArticleService.getArticleAllByID(articleDto);
-        return ArticleService.getArticleByid(Integer.valueOf(articleDto.getArticleid()));
+    }
+    
+    @PutMapping
+    public ResponseMessage<Article> UpdateArticle(@RequestBody ArticleDto  articleDto){
+        return ArticleService.SaveArticle(articleDto);
+    };
+
+    @PostMapping
+    public ResponseMessage<Article> AddArticle(@RequestBody ArticleDto  articleDto){
+        return ArticleService.SaveArticle(articleDto);
+    }
+
+    @DeleteMapping
+    public ResponseMessage<Article> DeleteArticle(@RequestBody ArticleDto  articleDto){
+        return ArticleService.deleteArticle(articleDto.getArticleid());
     }
 
 }

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

@@ -12,8 +12,42 @@ public class ResponseMessage<T> {
         this.message = message;
         this.data = data;
     }
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public void setCode(Integer code) {
+        this.code = code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public void setData(T data) {
+        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);
     }
+
+    public static <T> ResponseMessage<T> Delete(Boolean delete) {
+        return new ResponseMessage(HttpStatus.OK.value(), "delete", delete);
+    }
+
+    public static <T> ResponseMessage<T> Save(Boolean save) {
+        return new ResponseMessage(HttpStatus.OK.value(), "save", save);
+    }
+
 }

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

@@ -1,6 +1,5 @@
 package com.qf.myafterprojecy.pojo.dto;
 
-import javax.persistence.Column;
 
 public class ArticleDto {
     private Integer articleid;

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

@@ -2,23 +2,41 @@ package com.qf.myafterprojecy.service;
 
 import com.qf.myafterprojecy.pojo.Article;
 import com.qf.myafterprojecy.pojo.ResponseMessage;
+import com.qf.myafterprojecy.pojo.dto.ArticleDto;
 import com.qf.myafterprojecy.repository.ArticleRepository;
+import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Collections;
+
 @Service
 public class ArticleService implements IArticleService{
     @Autowired
     ArticleRepository articleRepository;
 
     @Override
-    public ResponseMessage<Article> getArticleByid(Integer articleid){
+    public ResponseMessage<Iterable<Article>> getArticleAllByID(ArticleDto articleDto){
-        Article articlenew = articleRepository.findById(articleid).orElseThrow(RuntimeException::new);
+        Iterable<Article>  Articles = null;
-        return ResponseMessage.success(articlenew) ;
+        if (articleDto.getArticleid()!=null && articleDto.getArticleid()!=0){
+
+            Articles = Collections.singleton(articleRepository.findById(articleDto.getArticleid()).orElseThrow(()-> new RuntimeException("没有该文章")));
+        }else {
+            Articles = articleRepository.findAll();
         }
-    @Override
-    public ResponseMessage<Iterable<Article>> getArticleAll(){
-        Iterable<Article>  Articles = articleRepository.findAll();
         return ResponseMessage.success(Articles) ;
     }
+
+    @Override
+    public ResponseMessage<Article> SaveArticle(ArticleDto article) {
+        Article articlenew = new Article();
+        BeanUtils.copyProperties(article,articlenew);
+        return ResponseMessage.Save(articleRepository.save(articlenew)!= null);
+    }
+
+
+    @Override
+    public ResponseMessage<Article> deleteArticle(Integer articleid) {
+        return ResponseMessage.Delete(articleRepository.existsById(articleid)) ;
+    }
 }

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

@@ -2,10 +2,32 @@ package com.qf.myafterprojecy.service;
 
 import com.qf.myafterprojecy.pojo.Article;
 import com.qf.myafterprojecy.pojo.ResponseMessage;
+import com.qf.myafterprojecy.pojo.dto.ArticleDto;
 
 public interface IArticleService {
 
-    ResponseMessage<Article> getArticleByid(Integer articleid);
+    /**
+     * 根据id查询 如果id为空查询所有
+     *
+     * @param articleDto
+     * @return ResponseMessage<Article>
+     */
+    ResponseMessage<Iterable<Article>> getArticleAllByID(ArticleDto articleDto);
+
+
+    /**
+     * 新增(id=0)
+     * 修改 (id=修改数据的id)
+     * @param article
+     * @return ResponseMessage<Article>
+     */
+    ResponseMessage<Article> SaveArticle(ArticleDto article);
+
+    /**
+     * 删除
+     * @param articleid
+     * @return ResponseMessage<Article>
+     */
+    ResponseMessage<Article> deleteArticle(Integer articleid);
 
-    ResponseMessage<Iterable<Article>> getArticleAll();
 }