全局异常处理器

GlobalExceptionHandler类
package com.example.exception;

import com.example.common.Result;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

@ControllerAdvice(basePackages = "com.example.controller")
public class GlobalExceptionHandler {

private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

//统一异常处理@E
@ExceptionHandler(Exception.class)
@ResponseBody
public Result error(HttpServletRequest request, Exception e){
    log.error("异常信息",e);
    return Result.error("系统异常");

}

@ExceptionHandler({CustomException.class})
@ResponseBody
public Result customError(HttpServletRequest request, CustomException e){
    return Result.error(e.getMsg());
}

}

CustomException类
package com.example.exception;

import lombok.Data;

@Data
public class CustomException extends RuntimeException{
private String msg;

public CustomException(String msg){
    this.msg = msg;
}

}