日期：2014-05-16 浏览次数：20967 次
var xmlHttp = false;
var td;
var e;
var url;
function createXmlHttpRequest(){alert("1.1");
if(window.XMLHttpRequest){alert("1.1.1");
xmlHttp = new XMLHttpRequest();alert("1.1.2");
if(xmlHttp.overrideMimeType){alert("1.1.3");
xmlHttp.overrideMimeType(text/xml);alert("1.1.4");
}alert("1.1.5");
}else if(window.ActiveXObject){alert("1.2");
try{alert("1.2.1");
xmlHttp = new ActiveXObject("Msxml2.XMLHttp");alert("1.2.2");
}catch(e){alert("1.2.3");
try{alert("1.2.4");
xmlHttp = new ActiveXObject("Microsoft.XMLHttp");alert("1.2.5");
}catch(e){alert("1.2.6");
}
}
}
if(!xmlHttp){alert("1.3");
alert(xmlHttp+"err");alert("1.3.1");
}
}
function checkuser(o,otd,ourl){
alert("1");
url = ourl;alert("2");
td = otd;alert("3");
createXmlHttpRequest();alert("4");
var url = o;alert("5");
xmlHttp.open("GET",url,true);alert("7");
xmlHttp.send(null);alert("8");
xmlHttp.onreadystateChange= checkrs;alert("6");
}
function checkrs(){ alert("6.1");
if(xmlHttp.readyState == 4){alert("6.2");
if(xmlHttp.status == 200){alert("6.3");
var s = xmlHttp.responseText;alert("6.4");
}
}
}
<script type="text/javascript" src="javascript/del.js"></script>
<script type="text/javascript">
function deld(){
alert("close");
}
function fr(){
alert("fr");
checkuser('movie.do?method=delSession','0','1');
alert("delsession");
}
</script>
</head>
<body onbeforeunload="fr();" onunload="deld();" >
public ActionForward delSession(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
System.out.println("11");
if(request.getSession(false).getAttribute("confirm")!=null){
System.out.println("12");
request.getSession().removeAttribute("confirm");
System.out.println("13");
}else{
System.out.println("21");
request.getSession().removeAttribute("palyId");
request.getSession().removeAttribute("target");
System.out.println("211");
}
System.out.println("22");
.....
}
