初始化

backend/utils/response.js

@@ -0,0 +1,60 @@
+/**
+ * 统一API响应格式工具类
+ */
+class ResponseUtil {
+  /**
+   * 成功响应
+   */
+  static success(data = null, message = 'Success') {
+    return {
+      success: true,
+      message,
+      data,
+      timestamp: new Date().toISOString()
+    };
+  }
+
+  /**
+   * 错误响应
+   */
+  static error(message = 'Error', code = null, details = null) {
+    return {
+      success: false,
+      message,
+      code,
+      details,
+      timestamp: new Date().toISOString()
+    };
+  }
+
+  /**
+   * 分页响应
+   */
+  static paginated(data, page, limit, total) {
+    return {
+      success: true,
+      data,
+      pagination: {
+        page: parseInt(page),
+        limit: parseInt(limit),
+        total,
+        pages: Math.ceil(total / limit)
+      },
+      timestamp: new Date().toISOString()
+    };
+  }
+
+  /**
+   * 列表响应
+   */
+  static list(data, total = null) {
+    return {
+      success: true,
+      data,
+      total: total || (Array.isArray(data) ? data.length : 0),
+      timestamp: new Date().toISOString()
+    };
+  }
+}
+
+module.exports = ResponseUtil;