<script language=javascript>function window.onbeforeunload(){     if (typeof evt == 'undefined') {        evt = window.event;    }if (evt) {       var n = window.event.screenX - window.screenLeft;         var b = n > document.documentElement.scrollWidth-20;        if(b && window.event.clientY < 0 || window.event.altKey){           // 這個(gè)可以排除刷新 關(guān)閉的時(shí)候觸發(fā)             window.onunload = function() {          window.location.href = "../logout.jsp";          }       }     }}</script>我試了試好像也是不行啊<script language=javascript>function window.onbeforeunload(){  if(event.clientX>document.body.clientWidth&&event.clientY<0||event.altKey)  {     var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");     xmlhttp.open("GET","logout.jsp",false);     xmlhttp.send();  }}</script>