case "csvDel":
$ajax_user->ajax_csvDel();
//导入
break;
case "submit":
$ajax_user->ajax_submit();
//创建、编辑
break;
case "enable":
case "wait":
case "disable":
$ajax_user->ajax_status();
//状态
break;
case "del":
$ajax_user->ajax_del();
//删除
break;
default:
switch ($GLOBALS["act_get"]) {
case "getname":
$ajax_user->ajax_getname();
//验证用户名
break;
case "chkname":
$ajax_user->ajax_chkname();
//验证用户名
break;
case "chkmail":
$ajax_user->ajax_chkmail();
//验证 email
