标签： exception

1.自定义Exception

package com.justin.exception;

/**
 * @ClassName JustinException
 * @Desc 自定义系统异常
 * @Author justin.Sun
 * @Date 2019/5/5 9:12
 **/
public class JustinException extends RuntimeException {
    public JustinException() {
    }

    public JustinException(String message) {
        super(message);
    }

    public JustinException(String message, Throwable cause) {
        super(message, cause);
    }

    public JustinException(Throwable cause) {
        super(cause);
    }

    public JustinException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
        super(message, cause, enableSuppression, writableStackTrace);
    }
}

2.定义系统请求状态返回码定义类 read more