{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}
function getCookie(c_name)
{
f (document.cookie.length>0)
{
c_start=document.cookie.indexOf(c_name + "=")
if (c_start!=-1)
{
c_start=c_start + c_name.length+1 ;
c_end=document.cookie.indexOf(";",c_start);
if (c_end==-1)
c_end=document.cookie.length
return unescape(document.cookie.substring(c_start,c_end));
}
}
return "";
}
function delCookie(c_name)
{
setCookie(c_name,“”,-1000)
}
function delAllCookie()
{
var strCookie=document.cookie;
var arrCookie=strCookie.split("; ");
for(var i=0;i
var arr=arrCookie[i].split("=");
if(arr.length>0)
delCookie(arr[0]);
}
}
php设置cookie
php删除cookie