javascript—cookie操作

document.cookie = ‘user=lj‘;//添加

var oDate = new Date();

oDate.setDate(oDate.getDate() + 7);

document.cookie = ‘pwd=123;expires=‘ + oDate;//设置cookie有效期

//添加cookie

function setCookie(name,value,days)

{

var oDate = new Date();

oDate.setDate(oDate.getDate() + expires);

document.cookie = name + ‘=‘ + value + ‘;expires=‘ + oDate;

}

//读取cookie

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];

}

}

}

//删除cookie

function removeCookie(name)

{

setCookie(name, 1, -1);

}