1:添加cookie
document.cookie = " user = name ";
document.cookie = " pass = 123456 ";
2: 设置过期时间:expires = 时间
var oDate = new Date();
oDate.setDate(oDate.getDate() + 8);
3:设置cookie
<script>
var oForm = document.getElementById("oForm");
var oUser = document.getElementById("oUser");
function setCookie(name, value, iDay) {
var oDate = new Date();
oDate.setDate(oDate.getDate() + iDay);
document.cookie = name + "=" + value + ";expires =" + oDate;
}
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 "";
}
function removeCookie(name){
setCookie(name, 1, -1);
}
window.onload = function(){
oForm.onsubmit = function(){
setCookie("useName", oUser.value, 14);
}
oUser.value = getCookie("useName");
}
</script>
来源:https://www.cnblogs.com/pxxdbk/p/12654016.html