//取cookies函数 function GetCookies(name) { var arr = document.cookie.match(new RegExp(name+"=([^&;]+)")); if(arr != null){return decodeURI(arr[1]);} return ""; } //写cookies函数 function SetCookie(name,value)//两个参数,一个是cookie的名子,一个是值 { var Days = 1; //此 cookie 将被保存1 天 var exp = new Date(); //new Date("December 31, 9998"); exp.setTime(exp.getTime() + Days*24*60*60*1000); document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString(); } function delCookie(name)//删除cookie { var exp = new Date(); exp.setTime(exp.getTime() - 1); var cval=getCookie(name); if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString(); } SetCookie ("life", "3") alert(getCookie('life')); |
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