疯了啦 写了一篇没有保存
需求:页面倒计时 只从第一次加购开始
公共方法
cookie的设置 获取
function getCookie(c_name)
{
if (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 setCookie(cname,cvalue,exdays) {
var d = new Date();
d.setTime(d.getTime() + (exdays*60*1000));
var expires = "expires=" + d.toGMTString();
document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}
实现步骤
点击加购 -> 记录点击当前时间 ->设置个cookie
在点击页面：
function payment() {
var n = getCookie('now_time');
if(!n){
var nowtime = new Date();
nowtime= nowtime.getTime();
setCookie('now_time',nowtime,5);
}
}
在支付页面调用方法：
now：当前的时间戳
function PaymentCountdown(now){
var now = now;
var w = getCookie('now_time');
if(w){
var timeout =setInterval(function(){
var dateTime = new Date();
dateTime = dateTime.getTime();
var diff = dateTime - now;
var alltime = 5*60*1000;
var c = alltime-diff;
if(c>=0){
var m = Math.floor(c/1000/60%60);
var s = Math.floor(c/1000%60);
var str = "<span>"+m+"</span>:<span>"+s+"</span>";
jQuery("#payment_time").html(str);
}else if(c<0){
clearInterval(timeout);
jQuery("#payment_words").hide();
jQuery("#payment_end").show();
}
}, 1000);
}
};