springboot全局异常处理

package video.exception;

import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.ResponseBody;
import video.dto.JsonData;


-----------------------------异常处理类--------------------------------------------
/**
 * 全局自定义异常处理类
 */
@ControllerAdvice//所有异常都会被捕获
public class GlobalExceptionHandler {

    /**
     * 处理异常
     * @return
     */
    @ExceptionHandler(value = Exception.class)
    @ResponseBody
    public JsonData handlerException(Exception e) {
        if (e instanceof BussinessException) {
          return   JsonData.error(e.getMessage(),((BussinessException) e).getCode());
        } else if (e instanceof GlobalException ) {
          return   JsonData.error(e.getMessage(),((GlobalException) e).getCode());
        } else {
            return JsonData.error("未知异常");
        }
    }

}


-----------------------------自定义异常类------------------------------------------

/**
 * 全局自定义异常类
 */
public class GlobalException extends RuntimeException {

    /**状态码*/
    private Integer code;
    /**消息提示*/
    private String msg;

    public GlobalException(Integer 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;
    }
}

/**
 * 自定义业务异常类
 */
public class BussinessException extends RuntimeException {

    private String msg;
    private Integer code;

    public  BussinessException(Integer code, String msg) {
        super(msg);
        this.msg = msg;
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

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

    public Integer getCode() {
        return code;
    }

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