Java接口统一返回数据结构封装

Java, 开发语言, 框架算法 / 作者： / / 一条评论 / Java, Response, Result, 接口, 返回信息, 返回数据结构

1、状态枚举

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package com.ntan520.core.result;
 
/**
 * @author Nick Tan
 */public enum ResultEnum {
 
    /**
     * 200: 成功
     */    SUCCESS(200, "成功"),
    /**
     * 404: 不存在
     */    NOT_FOUND(404, "资源不存在"),
    /**
     * 403: 无权限
     */    FORBIDDEN(403, "没有权限访问"),
    /**
     * 400: 参数错误
     */    INVALID_REQUEST(400, "Invalid Request"),
    /**
     * 405: 请求方式不支持
     */    METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
    /**
     * 406
     */    NOT_ACCEPTABLE(406, "Not Acceptable"),
    /**
     * 500
     */    INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
    /**
     * 999: 未知异常
     */    UNKNOW_ERROR(999, "未知错误");
 
    private int code;
 
    private String message;
 
    private ResultEnum(int code, String message) {
        this.code = code;
        this.message = message;
    }
 
    public int getCode() {
        return code;
    }
 
    public String getMessage() {
        return message;
    }
}

2、数据接口定义

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package com.ntan520.core.result;
 
/**
 * @author Nick Tan
 */public interface Response {
 
}

3、返回数据结构

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package com.ntan520.core.result;
 
/**
 * @author Nick Tan
 */public class Result {
 
    private int status = ResultEnum.SUCCESS.getCode();
 
    private String message = ResultEnum.SUCCESS.getMessage();
 
    private Response data;
 
    public static Result instance(int code, String message, Response data) {
        return new Result(code, message, data);
    }
 
    public static Result instance(Response data) {
        return new Result(data);
    }
 
    public static Result instance() {
        return new Result();
    }
 
    public Result() {
    }
 
    public Result(int status, String message, Response data) {
        this.status = status;
        this.message = message;
        this.data = data;
    }
 
    public Result(Response data) {
        this.data = data;
    }
 
    public String getMessage() {
        return message;
    }
 
    public void setMessage(String message) {
        this.message = message;
    }
 
    public int getStatus() {
        return status;
    }
 
    public void setStatus(int status) {
        this.status = status;
    }
 
    public Response getData() {
        return data;
    }
 
    public void setData(Response data) {
        this.data = data;
    }
}
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