定义全局异常处理

package com.jay.advice;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.UnsatisfiedServletRequestParameterException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;

import com.jay.dto.ResponseInfo;

/**
 * springmvc异常处理
 * 
 * @author jay
 *
 */
@RestControllerAdvice//针对restController包装（入口必须是controller），因此Service、dao必须异常向上抛，直至到Controller
public class ExceptionHandlerAdvice {

    private static final Logger log = LoggerFactory.getLogger("adminLogger");

    @ExceptionHandler({ IllegalArgumentException.class })
    @ResponseStatus(HttpStatus.BAD_REQUEST)//400:错误的请求
    public ResponseInfo badRequestException(IllegalArgumentException exception) {
        return new ResponseInfo(HttpStatus.BAD_REQUEST.value() + "", exception.getMessage());
    }

    @ExceptionHandler({ AccessDeniedException.class })
    @ResponseStatus(HttpStatus.FORBIDDEN)//403:禁止访问（未授权）
    public ResponseInfo badRequestException(AccessDeniedException exception) {
        return new ResponseInfo(HttpStatus.FORBIDDEN.value() + "", exception.getMessage());
    }

    @ExceptionHandler({ MissingServletRequestParameterException.class, HttpMessageNotReadableException.class,
            UnsatisfiedServletRequestParameterException.class, MethodArgumentTypeMismatchException.class })
    @ResponseStatus(HttpStatus.BAD_REQUEST)//400:错误的请求
    public ResponseInfo badRequestException(Exception exception) {
        return new ResponseInfo(HttpStatus.BAD_REQUEST.value() + "", exception.getMessage());
    }

    @ExceptionHandler(Throwable.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)//500（服务器内部异常）
    public ResponseInfo exception(Throwable throwable) {
        log.error("系统异常", throwable);
        return new ResponseInfo(HttpStatus.INTERNAL_SERVER_ERROR.value() + "", throwable.getMessage());

    }

}

package com.jay.dto;

import java.io.Serializable;

public class ResponseInfo implements Serializable {

    private static final long serialVersionUID = 1L;

    private String code;//http状态码
    private String message;//返回信息

    public ResponseInfo(String code, String message) {
        super();
        this.code = code;
        this.message = message;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

}