导读:js读取cookie,js添加cookie,js删除cookie ,值得收藏,大家速度收藏吧。复制代码代码如下:<scriptlanguage="JavaScript"type="text javas
js读取cookie,js添加cookie,js删除cookie ,值得收藏,大家速度收藏吧。
复制代码代码如下:
- <script language="JavaScript" type="text/javascript">
- 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[n].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");
- }
- </script>
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