mongo.go重构

dao/file_dao.go

@@ -2,21 +2,15 @@ package dao
 
 import (
 	"context"
-	"gitee.com/red-future---jilin-g/common/mongo"
 	"oss/consts"
 	"oss/model/entity"
+
+	"gitee.com/red-future---jilin-g/common/mongo"
 )
 
-var File = &file{
-	NoCache: false,
-}
+var File = &file{}
 
 type file struct {
-	NoCache bool
-}
-
-func (d *file) SetNoCache() {
-	File.NoCache = true
 }
 
 // Insert 插入