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 break; } break; }