开屏广告代码实现:
var kaigao = getCookie('kaiping');
if(kaigao){
}else{
setCookie('kaiping','kai');
kaiping();
}
//设置cookie
function setCookie(name,value) {
var exp = new Date();
exp.setTime(exp.getTime() + 60 * 2000);//过期时间 2分钟
document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
}
//获取cookie
function getCookie(name)
{
var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)"); //正则匹配
if(arr=document.cookie.match(reg)){
return unescape(arr[2]);
}
else{
return null;
}
}