springboot自定义异常和全局异常处理

package net.myclass.myvideo.domain;

import java.io.Serializable;

/**
 * 功能描述：工具类
 *
 * <p> 创建时间：May 14, 2018 7:58:06 PM </p>
 */
public class JsonData implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    private Integer code; // 状态码 0 表示成功，1表示处理中，-1表示失败
    private Object data; // 数据
    private String msg;// 描述

    public JsonData() {
    }

    public JsonData(Integer code, Object data, String msg) {
        this.code = code;
        this.data = data;
        this.msg = msg;
    }

    // 成功，传入数据
    public static JsonData buildSuccess() {
        return new JsonData(0, null, null);
    }

    // 成功，传入数据
    public static JsonData buildSuccess(Object data) {
        return new JsonData(0, data, null);
    }

    // 失败，传入描述信息
    public static JsonData buildError(String msg) {
        return new JsonData(-1, null, msg);
    }

    // 失败，传入描述信息,状态码
    public static JsonData buildError(String msg, Integer code) {
        return new JsonData(code, null, msg);
    }

    // 成功，传入数据,及描述信息
    public static JsonData buildSuccess(Object data, String msg) {
        return new JsonData(0, data, msg);
    }

    // 成功，传入数据,及状态码
    public static JsonData buildSuccess(Object data, int code) {
        return new JsonData(code, data, null);
    }

    public Integer getCode() {
        return code;
    }

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

    public Object getData() {
        return data;
    }

    public void setData(Object data) {
        this.data = data;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    @Override
    public String toString() {
        return "JsonData [code=" + code + ", data=" + data + ", msg=" + msg
                + "]";
    }

}

package net.myclass.myvideo.exception;


/**
 * 自定义异常类
 */
public class MyException extends RuntimeException {


    /**
     * 状态码
     */
    private Integer code;
    /**
     * 异常消息
     */
    private String msg;




    public MyException(int code, String msg){
        super(msg);
        this.code = code;
        this.msg = msg;
    }

    public Integer getCode() {
        return code;
    }

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

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }
}

package net.myclass.myvideo.exception;


import net.xdclass.xdvideo.domain.JsonData;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 异常处理控制器
 */
@ControllerAdvice
public class MyExceptionHandler {

    @ExceptionHandler(value = Exception.class)
    @ResponseBody
    public JsonData Handler(Exception e){

        if(e instanceof MyException){
            MyException myException =  (MyException)e;
            return JsonData.buildError(myException.getMsg(),myException.getCode());
        }else{
            return JsonData.buildError("全局异常，未知错误");
        }
    }


}