spring boot自定义异常:
控制器@RestController
public class TestController {
@RequestMapping("/BusinessException")
public String testResponseStatusExceptionResolver(@RequestParam("i") int i){
if (i==0){
throw new BusinessException(600,"自定义业务错误");
}
return "success";
}
}
实体类
public class BusinessException extends RuntimeException{
//自定义错误码
private Integer code;
//自定义构造器,必须输入错误码及内容
public BusinessException(int code,String msg) {
super(msg);
this.code = code;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
}
自定义业务处理业务异常类
@ControllerAdvice
public class CustomerBusinessExceptionHandler {
@ResponseBody
@ExceptionHandler(BusinessException.class)
public Map<String, Object> businessExceptionHandler(BusinessException e) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("code", e.getCode());
map.put("message", e.getMessage());
//发生异常进行日志记录,此处省略
return map;
}
}
页:
[1]