/// <summary> /// 备份数据库数据 /// </summary> /// <param name="dir"></param> public void SetBackUP(string dir) { if (string.IsNullOrWhiteSpace(dir)) { dir = db_backupdir; } BackupOptions options = new BackupOptions(); options.Creation = CreatePolicy.IF_NEEDED; options.Files = true; options.NoLogs = true; env.Backup(dir, options); }