recycle3/backend/src/main/java/com/recycle/common/Result.java

package com.recycle.common;

import lombok.Data;
import java.io.Serializable;

/**
 * 统一返回结果类
 */
@Data
public class Result<T> implements Serializable {

    private Integer code;
    private String message;
    private T data;
    private Long timestamp;

    public Result() {
        this.timestamp = System.currentTimeMillis();
    }

    public static <T> Result<T> success() {
        Result<T> result = new Result<>();
        result.setCode(200);
        result.setMessage("操作成功");
        return result;
    }

    public static <T> Result<T> success(T data) {
        Result<T> result = new Result<>();
        result.setCode(200);
        result.setMessage("操作成功");
        result.setData(data);
        return result;
    }

    public static <T> Result<T> success(String message, T data) {
        Result<T> result = new Result<>();
        result.setCode(200);
        result.setMessage(message);
        result.setData(data);
        return result;
    }

    public static <T> Result<T> error(String message) {
        Result<T> result = new Result<>();
        result.setCode(500);
        result.setMessage(message);
        return result;
    }

    public static <T> Result<T> error(Integer code, String message) {
        Result<T> result = new Result<>();
        result.setCode(code);
        result.setMessage(message);
        return result;
    }
}