API 统一返回状态码实践

统一API返回json工具类

package com.zhihu.portal.common;

import java.io.Serializable;


/**
 * 统一API返回json工具类
 */
public class Result implements Serializable {

    private Integer code;
    private String message;
    private Object data;


    public Result() {
    }

    public Result(Integer code, String message) {
        this.code = code;
        this.message = message;
    }

    public static Result success(){
        Result res = new Result();
        res.setResultCode(ResultCode.SUCCESS);
        return res;
    }

    public static Result success(Object data) {
        Result result = new Result();
        result.setResultCode(ResultCode.SUCCESS);
        result.setData(data);
        return result;
    }

    public static Result failure(ResultCode resultCode) {
        Result result = new Result();
        result.setResultCode(resultCode);
        result.setMessage(resultCode.message());
        return result;
    }

    public static Result failure(ResultCode resultCode, Object data) {
        Result result = new Result();
        result.setResultCode(resultCode);
        result.setData(data);
        return result;
    }
    public void setResultCode(ResultCode code) {
        this.code = code.code();
        this.message = code.message();
    }

    public Integer getCode() {
        return code;
    }

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

    public String getMessage() {
        return message;
    }

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

    public Object getData() {
        return data;
    }

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

API 统一返回状态码

package com.zhihu.portal.common;

/**
 * API 统一返回状态码
 */
public enum ResultCode {

    /* 成功状态码 */
    SUCCESS(0, "成功"),

    /* 令牌失效 */
    TOKEN_INVALID(401,"令牌失效"),

    SERVER_ERROR(400, "服务器错误"),

    /*参数错误 10001-19999 */

    PARAM_IS_INVALID(10001, "参数无效"),
    PARAM_IS_BLANK(10002, "参数为空"),
    PARAM_TYPE_BIND_ERROR(10003, "参数类型错误"),
    PARAM_NOT_COMPLETE(10004, "参数缺失"),

    /* 用户错误：20001-29999*/
    USER_NOT_LOGGED_IN(20001, "用户未登录"),
    USER_LOGIN_ERROR(20002, "账号不存在或密码错误"),
    USER_ACCOUNT_FORBIDDEN(20003, "账号已被禁用"),
    USER_NOT_EXIST(20004, "用户不存在"),
    USER_HAS_EXISTED(20005, "用户已存在"),
    Cert_HAS_EXISTED(20006, "认证已存在"),


    /* 业务错误：30001-39999 */
    CREATE_FAIL(30001, "创建失败"),

    /* 系统错误：40001-49999 */
    SYSTEM_INNER_ERROR(40001, "系统繁忙，请稍后重试"),

    /* 数据错误：50001-599999 */
    RESULE_DATA_NONE(50001, "数据未找到"),
    DATA_IS_WRONG(50002, "数据有误"),
    DATA_ALREADY_EXISTED(50003, "数据已存在"),

    /* 接口错误：60001-69999 */
    INTERFACE_INNER_INVOKE_ERROR(60001, "内部系统接口调用异常"),
    INTERFACE_OUTTER_INVOKE_ERROR(60002, "外部系统接口调用异常"),
    INTERFACE_FORBID_VISIT(60003, "该接口禁止访问"),
    INTERFACE_ADDRESS_INVALID(60004, "接口地址无效"),
    INTERFACE_REQUEST_TIMEOUT(60005, "接口请求超时"),
    INTERFACE_EXCEED_LOAD(60006, "接口负载过高"),

    /* 权限错误：70001-79999 */
    PERMISSION_NO_ACCESS(70001, "只有标签 Owner ,才具备删除权限"),
    PERMISSION_NO_PHONE_ACCESS(70002,"此认证标签已有员工认证，不可以进行删除");


    private Integer code;

    private String message;

    ResultCode(Integer code, String message) {
        this.code = code;
        this.message = message;
    }

    public Integer code() {
        return this.code;
    }

    public String message() {
        return this.message;
    }
    public static String getMessage(String name) {
        for (ResultCode item : ResultCode.values()) {
            if (item.name().equals(name)) {
                return item.message;
            }
        }
        return name;
    }

    public static Integer getCode(String name) {
        for (ResultCode item : ResultCode.values()) {
            if (item.name().equals(name)) {
                return item.code;
            }
        }
        return null;
    }

    @Override
    public String toString() {
        return this.name();
    }
    /*public static void main(String[] args) {
        ResultCode[] ApiResultCodes = ResultCode.values();
        List<Integer> codeList = new ArrayList<>();
        for (ResultCode ApiResultCode : ApiResultCodes) {
            if (codeList.contains(ApiResultCode.code)) {
                System.out.println(ApiResultCode.code);
            } else {
                codeList.add(ApiResultCode.code());
            }
            System.out.println(ApiResultCode.code);
        }
    }*/




}