Javascript 设置cookie在3小时后过期
设置cookie在3小时后过期 我有以下JavaScript代码:Javascript 设置cookie在3小时后过期,javascript,cookies,Javascript,Cookies,设置cookie在3小时后过期 我有以下JavaScript代码: function createCookie(name,value,days) { if (days) { var date = new Date(); date.setTime(date.getTime()+(days*2*60*60*1000)); var expires = "; expires="+date.toGMTString(); }
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*2*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
如何使cookie在3小时后过期?第一种方法 将函数修改为:
function createCookie(name,value,hours) {
if (hours) {
var date = new Date();
date.setTime(date.getTime()+(hours*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";}
您将使用createCookie(…,…,3)代码>
第二种方法
或使用以下原型:
Date.prototype.addHours= function(h){
this.setHours(this.getHours()+h);
return this;
}
以及以下createCookie函数:
function createCookie(name,value,date) {
if(date){
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";}
您将使用createCookie(…,…,newdate().addHours(3))代码>您的代码似乎只为一天的1/12保存cookie
days*2*60*60*1000
应该是
days*24*60*60*1000
因此,当您需要3小时时,您需要将cookie保存为一天的1/824/8
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
createCookie("name", "3 hours", 1/8);
希望是这样
function createCookie(name,value,hours) {
if (hours) {
var date = new Date();
date.setTime(date.getTime()+(hours*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";}
代码有误导性。。。该cookie将过期天*2小时
——因此,调用类似“createCookie”(“blah”,“fred”,1.5)的函数会将天*2*60*60*1000
更改为天*24*60*60*1000
,然后将该函数调用为createCookie('name','value',0.125)。可能重复