setcookie,getcookie,delcookie,setpostBgPic

时间:2023-01-15 04:11:50
function setCookie(name,value)
{
var Days = 365; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";path=/;expires=" + exp.toGMTString();
}
function getCookie(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}
function delCookie(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";path=/;expires="+exp.toGMTString();
}
function setPostBgPic(getDefaultBg){
var getValue=getCookie("mfl_templetPostBg");
if(getValue=="null"||getValue==null||getValue==""){
document.body.background=getDefaultBg;
}else{
document.body.background=getValue;
}
}