首先要在要显示的页面加入如下代码<scriptlanguage="javascript"type="text/javascript"src="{dede:global.cfg_cmsurl/}/include/ajax2.js"></script><scriptlanguage="javascript"type="text/javascript"><!--functionCheckLogin(){vartaget_obj=document.getElementById('_userlogin');myajax=newDedeAjax(taget_obj,false,false,'','','');myajax.SendGet2("{dede:global.cfg_cmspath/}/member/ajax_loginsta.php");DedeXHTTP=null;}--></script>