first commit

go_backend/common/response.go

@@ -0,0 +1,62 @@
+package common
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Response struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+// Success 成功响应
+func Success(c *gin.Context, data interface{}) {
+	c.JSON(http.StatusOK, Response{
+		Code:    200,
+		Message: "success",
+		Data:    data,
+	})
+}
+
+// SuccessWithMessage 成功响应（自定义消息）
+func SuccessWithMessage(c *gin.Context, message string, data interface{}) {
+	c.JSON(http.StatusOK, Response{
+		Code:    200,
+		Message: message,
+		Data:    data,
+	})
+}
+
+// Error 错误响应
+func Error(c *gin.Context, code int, message string) {
+	c.JSON(http.StatusOK, Response{
+		Code:    code,
+		Message: message,
+	})
+}
+
+// ErrorWithData 错误响应（带数据）
+func ErrorWithData(c *gin.Context, code int, message string, data interface{}) {
+	c.JSON(http.StatusOK, Response{
+		Code:    code,
+		Message: message,
+		Data:    data,
+	})
+}
+
+// 常见错误码
+const (
+	CodeSuccess          = 200
+	CodeInvalidParams    = 400
+	CodeUnauthorized     = 401
+	CodeForbidden        = 403
+	CodeNotFound         = 404
+	CodeInternalError    = 500
+	CodeServerError      = 500 // 服务器错误（别名）
+	CodeBindXHSFailed    = 1001
+	CodeCopyNotAvailable = 1002
+	CodeAlreadyClaimed   = 1003
+)