用JS来监控页面上是否发生了ajax请求.发生就重置倒计时.
$(document).ready(function(){
obj.sessionTime();
}
);
var obj = {};
var num = 20;
var t;
obj.sessionTime = function(){
if(--num == 0)
window.location.href="
http://localhost:8080/base/";
$("#sss").html(num);
t = setTimeout("obj.sessionTime()",1000);
}
/*ajax时重置时间!*/
function showTooltip(){
if(this.tooltipText==null){
clearTimeout(t);
obj.sessionTime();
num=20;}
}