Add: route for uploading file

pkg/serializer/common.go

@@ -23,6 +23,10 @@ const (
 	CodeDBError = 50001
 	// CodeEncryptError 加密失败
 	CodeEncryptError = 50002
+	// CodePolicyNotAllowed 当前存储策略不允许
+	CodePolicyNotAllowed = 50003
+	// CodeIOFailed IO操作失败
+	CodeIOFailed = 50004
 	//CodeParamErr 各种奇奇怪怪的参数错误
 	CodeParamErr = 40001
 )