//批量删除 public string SysUserBatchDel(string[] StrSysUserIDs) { using (SysUserBLL UserBll = new SysUserBLL()) { //清空即时通讯的缓存 string InstantkeyString = "ImInstantLoginUsers"; WCFCache.Current[InstantkeyString] = null; return UserBll.BatchDeleteSysUserInfos(StrSysUserIDs); } }