1.设置cookie(setCookie)
function setCookie(name,value,iDay){ //name相当于键,value相当于值,iDay为要设置的过期时间(天)
var oDate = new Date();
oDate.setDate(oDate.getDate() + iDay);
document.cookie = name + '=' + value + ';expires=' + oDate;
}
2.获取cookie(getCookie)
function getCookie(name){
var arr = document.cookie.split('; ');
for(var i = 0;i<arr.length;i++){
var arr2 = arr[i].split('=');
if(arr2[0] == name){
return arr2[1];
}
}
return '没有你要找的信息';
}
3.移除cookie(removeCookie)
function removeCookie(name){
setCookie(name,1,-1) //如果时间设置为复数,则过期时间为前天,所以cookie失效(在此例中)
}