js中cookie的添加,删除,查询总结
2016-11-09 22:57
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function addCookie(objName,objValue,objHours){//添加cookie
var str = objName + "=" + escape(objValue);
if(objHours > 0){//为0时不设定过期时间,浏览器关闭时cookie自动消失
var date = new Date();
var ms = objHours*3600*1000;
date.setTime(date.getTime() + ms);
str += "; expires=" + date.toGMTString();
}
document.cookie = str;
alert("添加cookie成功");
}
function getCookie(objName){//获取指定名称的cookie的值
var arrStr = document.cookie.split("; ");
for(var i = 0;i < arrStr.length;i ++){
var temp = arrStr[i].split("=");
if(temp[0] == objName) return unescape(temp[1]);
}
}
function delCookie(name){//为了删除指定名称的cookie,可以将其过期时间设定为一个过去的时间
var date = new Date();
date.setTime(date.getTime() - 10000);
document.cookie = name + "=a; expires=" + date.toGMTString();
}
function allCookie(){//读取所有保存的cookie字符串
var str = document.cookie;
if(str == ""){
str = "没有保存任何cookie";
}
alert(str);
}
function $(m,n){
return document.forms[m].elements
.value;
}
function add_(){
var cookie_name = $("myform","cookie_name");
var cookie_value = $("myform","cookie_value");
var cookie_expireHours = $("myform","cookie_expiresHours");
addCookie(cookie_name,cookie_value,cookie_expireHours);
}
function get_(){
var cookie_name = $("myform","cookie_name");
var cookie_value = getCookie(cookie_name);
alert(cookie_value);
}
function del_(){
var cookie_name = $("myform","cookie_name");
delCookie(cookie_name);
alert("删除成功");
}
名称
值
多少个小时过期
var str = objName + "=" + escape(objValue);
if(objHours > 0){//为0时不设定过期时间,浏览器关闭时cookie自动消失
var date = new Date();
var ms = objHours*3600*1000;
date.setTime(date.getTime() + ms);
str += "; expires=" + date.toGMTString();
}
document.cookie = str;
alert("添加cookie成功");
}
function getCookie(objName){//获取指定名称的cookie的值
var arrStr = document.cookie.split("; ");
for(var i = 0;i < arrStr.length;i ++){
var temp = arrStr[i].split("=");
if(temp[0] == objName) return unescape(temp[1]);
}
}
function delCookie(name){//为了删除指定名称的cookie,可以将其过期时间设定为一个过去的时间
var date = new Date();
date.setTime(date.getTime() - 10000);
document.cookie = name + "=a; expires=" + date.toGMTString();
}
function allCookie(){//读取所有保存的cookie字符串
var str = document.cookie;
if(str == ""){
str = "没有保存任何cookie";
}
alert(str);
}
function $(m,n){
return document.forms[m].elements
.value;
}
function add_(){
var cookie_name = $("myform","cookie_name");
var cookie_value = $("myform","cookie_value");
var cookie_expireHours = $("myform","cookie_expiresHours");
addCookie(cookie_name,cookie_value,cookie_expireHours);
}
function get_(){
var cookie_name = $("myform","cookie_name");
var cookie_value = getCookie(cookie_name);
alert(cookie_value);
}
function del_(){
var cookie_name = $("myform","cookie_name");
delCookie(cookie_name);
alert("删除成功");
}
名称
值
多少个小时过期
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