项目通用的数据封装工具类
package top.xtslife.mall.common;
/**
* 封装API的错误码
* @Author 小涛
* @Create 2019/8/9 20:00
*/
public interface IErrorCode {
long getCode();
String getMessage();
}
public enum ResultCode implements IErrorCode {
SUCCESS(200, "操作成功"),
FAILED(500, "操作失败"),
VALIDATE_FAILED(404, "参数检验失败"),
UNAUTHORIZED(401, "暂未登录或token已经过期"),
FORBIDDEN(403, "没有相关权限");
private long code;
private String message;
private ResultCode(long code, String message) {
this.code = code;
this.message = message;
}
public long getCode() {
return code;
}
public String getMessage() {
return message;
}
}
package top.xtslife.mall.common;
/**
* 通用返回对象
* @Author 小涛
* @Create 2019-08-09 17:32
*/
public class CommonResult<T> {
private long code;
private String message;
private T data;
protected CommonResult() {
}
protected CommonResult(long code, String message, T data) {
this.code = code;
this.message = message;
this.data = data;
}
/**
* 成功返回结果
*
* @param data 获取的数据
*/
public static <T> CommonResult<T> success(T data) {
return new CommonResult<T>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage(), data);
}
/**
* 成功返回结果
*
* @param data 获取的数据
* @param message 提示信息
*/
public static <T> CommonResult<T> success(T data, String message) {
return new CommonResult<T>(ResultCode.SUCCESS.getCode(), message, data);
}
/**
* 扩展使用
* 失败返回结果
* @param errorCode 错误码
*/
public static <T> CommonResult<T> failed(IErrorCode errorCode) {
return new CommonResult<T>(errorCode.getCode(), errorCode.getMessage(), null);
}
/**
* 自定义错误消息
* 失败返回结果
* @param message 提示信息
*/
public static <T> CommonResult<T> failed(String message) {
return new CommonResult<T>(ResultCode.FAILED.getCode(), message, null);
}
/**
* 默认的
* 失败返回结果
*/
public static <T> CommonResult<T> failed() {
return failed(ResultCode.FAILED);
}
/**
* 参数验证失败返回结果
*/
public static <T> CommonResult<T> validateFailed() {
return failed(ResultCode.VALIDATE_FAILED);
}
/**
* 参数验证失败返回结果
* @param message 提示信息
*/
public static <T> CommonResult<T> validateFailed(String message) {
return new CommonResult<T>(ResultCode.VALIDATE_FAILED.getCode(), message, null);
}
/**
* 未登录返回结果
*/
public static <T> CommonResult<T> unauthorized(T data) {
return new CommonResult<T>(ResultCode.UNAUTHORIZED.getCode(), ResultCode.UNAUTHORIZED.getMessage(), data);
}
/**
* 未授权返回结果
*/
public static <T> CommonResult<T> forbidden(T data) {
return new CommonResult<T>(ResultCode.FORBIDDEN.getCode(), ResultCode.FORBIDDEN.getMessage(), data);
}
public long getCode() {
return code;
}
public void setCode(long code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}