//创建cookie
function setCookie(name,value,expires,path,domain,secure){
var cookieText = encodeURLComponent(name)+"="+encodeURLComponent(value);
if (expres instanceof Date){
cookieText+=';expires = '+expires;
}
if(path){
cookieText+=';expires='+expires;
}
if(domain){
cookieText+=';expires='+domain;
}
if(secure){
cookieText+=';expires='+secure;
}
document.cookie = cookieText;
}
//获取cookie
function getCookie(name){
var cookieName = encodeURLComponent(name)+'=';
var cookieStart = document.cookie.indexOf(cookieName);
var cookieValue = null;
if(cookieStart >-1){
var cookieEnd = document.cookie.indexOf(';',cookieStart);
}
if(cookieEnd == -1){
cookieEnd = document.cookid.length;
}
cookieValue = encodeURLComponent(document.cookie.substring(cookieStart+cookieName.length,cookieEnd));
return cookieValue;
}
//删除cookie
function deleteCookie(name){
document.cookie = name+"=;expires="+new Date(0);
}