JS设置cookie,读取cookie,删除cookie

总结了一下cookie的使用,不全面.都是基础的知识,后期还会再添加.

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

 <head>

   <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />

   <title>cookie</title>

 </head>

 <body>

 </body>

 </html>

 <script type="text/javascript">

 //write cookie

 function setCookie(name, value){

       var Days=30;

       var exp=new Date();

       exp.setTime(exp.getTime()+Days*24*60*60*1000);

       document.cookie=name+"="+escape(value)+";expires="+exp.toGMTString();

 }

 //reading cookie

 function getCookie(){

         var arr,reg=new RegExp("(^|)"+name+"([^;]*)(;|$)");

         if(arr=document.cookie.match(reg)){

                       return unescape(arr[2]);

         }else{

                       return null;

         }

 }

 //delete cookie

 function delCookie(name){

         var exp=new Date();

         exp.setTime(exp.getTime()-1);

         var cval=getCookie(name);

         if(cval!=null){

             document.cookie=name+"="+cval+";expires="+exp.toGMTString();

         }

 }

 setCookie("name","liubeimeng");

 setCookie("name1","liubeimeng1");

 delCookie("name1");

 alert(getCookie("name"));

 </script>

巴特西

JS设置cookie,读取cookie,删除cookie

最新文章

热门文章