SpringBoot中如何实现接口的统一返回和异常的统一捕获

￡神魔★判官ぃ 2022-12-29 02:29 145阅读 0赞

> <table> 
>  <tbody> 
>   <tr> 
>    <td><strong>Springboot学习100篇</strong></td> 
>    <td><strong><a href="https://libusi.blog.csdn.net/article/details/100066038" rel="nofollow">https://libusi.blog.csdn.net/article/details/100066038</a></strong></td> 
>   </tr> 
>  </tbody> 
> </table>
> 
> ### **一、接口的统一返回** ###
> 
>     package com.god.demo.base.response;
>     
>     import lombok.AllArgsConstructor;
>     import lombok.Data;
>     import lombok.NoArgsConstructor;
>     
>     import java.util.List;
>     
>     /**
>      * BaseResponse
>      *
>      * @author libusi
>      */
>     @Data
>     @AllArgsConstructor
>     @NoArgsConstructor
>     public class BaseResponse<T> {
>     
>         /**
>          * 返回标识符(00000失败，11111成功)
>          */
>         private String code;
>     
>         /**
>          * 请求的消息
>          */
>         private String msg;
>     
>         /**
>          * 需要返回的数据
>          */
>         private List<T> data;
>     
>         /**
>          * 异常信息
>          */
>         private String exception;
>     
>     
>         /**
>          * 查询成功
>          */
>         public static <T> BaseResponse<T> success(List<T> data) {
>             return new BaseResponse<>(ResponseCode.REQUEST_SUCCESS.getCode(), ResponseCode.REQUEST_SUCCESS.getMsg(), data, null);
>         }
>     
>         /**
>          * 查询成功，自定义返回信息
>          */
>         public static <T> BaseResponse<T> success(String msg, List<T> data) {
>             return new BaseResponse<>(ResponseCode.REQUEST_SUCCESS.getCode(), msg, data, null);
>         }
>     
>         /**
>          * 查询失败
>          */
>         public static <T> BaseResponse<T> error(List<T> data, String exception) {
>             return new BaseResponse<>(ResponseCode.REQUEST_FAIL.getCode(), ResponseCode.REQUEST_FAIL.getMsg(), data, exception);
>         }
>     
>         /**
>          * 查询失败，自定义返回信息
>          */
>         public static <T> BaseResponse<T> error(String msg, List<T> data, String exception) {
>             return new BaseResponse<>(ResponseCode.REQUEST_FAIL.getCode(), msg, data, exception);
>         }
>     
>     
>     }
> 
> ### 二、全局异常捕获 ###
> 
>     @ControllerAdvice
>     public class NoPermissionException {
>     
>         protected static final Logger logger = LoggerFactory.getLogger(NoPermissionException.class);
>     
>     
>         /**
>          * 无权限异常
>          *
>          * @param ex
>          * @return BaseResponse
>          */
>         @ResponseBody
>         @ExceptionHandler(UnauthorizedException.class)
>         public BaseResponse handleShirException(Exception ex) {
>             BaseResponse response = new BaseResponse();
>             response.setCode(ResponseCode.REQUEST_FAIL.getCode());
>             response.setMsg("无权限");
>             return response;
>         }
>     
>         /**
>          * 权限认证失败
>          *
>          * @param ex
>          * @return BaseResponse
>          */
>         @ResponseBody
>         @ExceptionHandler(AuthorizationException.class)
>         public BaseResponse authorizationException(Exception ex) {
>             BaseResponse response = new BaseResponse();
>             response.setCode(ResponseCode.REQUEST_FAIL.getCode());
>             response.setMsg("权限认证失败");
>             return response;
>         }
>     
>     
>         @ResponseBody
>         @ExceptionHandler(Exception.class)
>         public BaseResponse exception222(Exception ex) {
>             BaseResponse response = new BaseResponse();
>             response.setCode(ResponseCode.REQUEST_FAIL.getCode());
>             response.setMsg("普通异常测试-全局扫描捕获异常," + ex.getMessage());
>             return response;
>         }
> 
> **测试接口**
> 
>     @RequestMapping("/eee")
>         public void eee() {
>             System.out.println(1 / 0);
>         }
> 
> ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYnVzaTAwMQ_size_16_color_FFFFFF_t_70][]
> 
>

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