婚礼婚庆网站建设,设计师网红,权4网站怎么做,wordpress pdf下载try catch捕获异常#xff0c;如果代码多了就显得冗余重复。我们可以用ControllerAdvice捕获全局异常变量处理 比如重复重入unique数据#xff0c;sql会报错 全局异常捕获
package com.itheima.reggie.common;import lombok.extern.slf4j.Slf4j;
import org.springframework… try catch捕获异常如果代码多了就显得冗余重复。我们可以用ControllerAdvice捕获全局异常变量处理 比如重复重入unique数据sql会报错 全局异常捕获
package com.itheima.reggie.common;import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import java.sql.SQLIntegrityConstraintViolationException;/*** 全局异常处理*/
ControllerAdvice(annotations {RestController.class, Controller.class})
ResponseBody
Slf4j
public class GlobalExceptionHandler {/*** 异常处理方法* return*/ExceptionHandler(SQLIntegrityConstraintViolationException.class)public RString exceptionHandler(SQLIntegrityConstraintViolationException ex){log.error(ex.getMessage());if(ex.getMessage().contains(Duplicate entry)){String[] split ex.getMessage().split( );String msg split[2] 已存在;return R.error(msg);}return R.error(未知错误);}}
