上传备份

src/main/java/xyz/wbsite/achat/tools/Result.java

@@ -0,0 +1,209 @@
+package xyz.wbsite.achat.tools;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 接口响应结果基类
+ * 泛型支持的数据响应封装，提供统一的响应格式和错误处理
+ *
+ * @author wangbing
+ * @version 0.0.1
+ * @since 1.8
+ */
+public class Result<T> {
+
+    /**
+     * 响应状态码
+     */
+    private int code = 200;
+
+    /**
+     * 响应消息
+     */
+    private String message = "success";
+
+    /**
+     * 响应数据
+     */
+    private T data;
+
+    /**
+     * 是否成功
+     */
+    private boolean success = true;
+
+    /**
+     * 错误详情，用于表单验证等场景
+     */
+    private Map<String, String> errors;
+
+    /**
+     * 请求ID，用于问题追踪
+     */
+    private String requestId;
+
+    /**
+     * 响应时间戳
+     */
+    private long timestamp = System.currentTimeMillis();
+
+    public int getCode() {
+        return code;
+    }
+
+    public Result<T> setCode(int code) {
+        this.code = code;
+        return this;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public Result<T> setMessage(String message) {
+        this.message = message;
+        return this;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public Result<T> setData(T data) {
+        this.data = data;
+        return this;
+    }
+
+    public boolean isSuccess() {
+        return success;
+    }
+
+    public Result<T> setSuccess(boolean success) {
+        this.success = success;
+        return this;
+    }
+
+    public Map<String, String> getErrors() {
+        return errors;
+    }
+
+    public Result<T> setErrors(Map<String, String> errors) {
+        this.errors = errors;
+        return this;
+    }
+
+    public String getRequestId() {
+        return requestId;
+    }
+
+    public Result<T> setRequestId(String requestId) {
+        this.requestId = requestId;
+        return this;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    public Result<T> setTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+        return this;
+    }
+
+    /**
+     * 添加字段级别的错误信息
+     *
+     * @param field 字段名
+     * @param error 错误信息
+     * @return 当前结果对象，支持链式调用
+     */
+    public Result<T> addError(String field, String error) {
+        if (errors == null) {
+            errors = new HashMap<>();
+        }
+        errors.put(field, error);
+        return this;
+    }
+
+    /**
+     * 返回成功信息
+     *
+     * @return 结果
+     */
+    public static <T> Result<T> success() {
+        return new Result<>();
+    }
+
+    /**
+     * 返回带数据的成功信息
+     *
+     * @param data 响应数据
+     * @return 结果
+     */
+    public static <T> Result<T> success(T data) {
+        Result<T> result = new Result<>();
+        result.setData(data);
+        return result;
+    }
+
+    /**
+     * 返回错误信息
+     *
+     * @param message 错误信息
+     * @return 错误信息对象
+     */
+    public static <T> Result<T> error(String message) {
+        Result<T> result = new Result<>();
+        result.message = message;
+        result.code = 500;
+        result.success = false;
+        return result;
+    }
+
+    /**
+     * 返回错误信息
+     *
+     * @param code    错误码
+     * @param message 错误信息
+     * @return 错误信息对象
+     */
+    public static <T> Result<T> error(int code, String message) {
+        Result<T> result = new Result<>();
+        result.code = code;
+        result.message = message;
+        result.success = false;
+        return result;
+    }
+
+    /**
+     * 返回带数据的错误信息
+     *
+     * @param code    错误码
+     * @param message 错误信息
+     * @param data    错误相关数据
+     * @return 错误信息对象
+     */
+    public static <T> Result<T> error(int code, String message, T data) {
+        Result<T> result = new Result<>();
+        result.code = code;
+        result.message = message;
+        result.success = false;
+        result.data = data;
+        return result;
+    }
+
+    /**
+     * 从异常创建错误响应
+     *
+     * @param e 异常
+     * @return 错误信息对象
+     */
+    public static <T> Result<T> error(Exception e) {
+        Result<T> result = new Result<>();
+        result.code = 500;
+        result.message = e.getMessage() != null ? e.getMessage() : "系统异常";
+        result.success = false;
+        return result;
+    }
+}