first commit

controllers/base_utils.go

@@ -0,0 +1,21 @@
+package controllers
+
+import (
+	"errors"
+
+	"github.com/gin-gonic/gin"
+)
+
+func getCode(ctx *gin.Context) (string, error) {
+	userIDInterface, exists := ctx.Get("code")
+	if !exists {
+		return "", errors.New("用户ID不存在")
+	}
+
+	code, ok := userIDInterface.(string)
+	if !ok {
+		return "", errors.New("用户ID类型错误")
+	}
+
+	return code, nil
+}