js设置cookie读取cookie 两个函数

 1         /*[添加cookie]*/
 2         var setCookie=function(c_name,value,expiredays){
 3             var exdate=new Date()
 4             exdate.setDate(exdate.getDate()+expiredays)
 5             cookieVal=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
 6             document.cookie=cookieVal;
 7         }
 8 
 9 
10 
11         
12         
13         
14         /*[获取cookie]*/
15         function getCookie(c_name){
16             if (document.cookie.length>0){
17               c_start=document.cookie.indexOf(c_name + "=")
18               if (c_start!=-1){ 
19                 c_start=c_start + c_name.length+1 
20                 c_end=document.cookie.indexOf(";",c_start)
21                 if (c_end==-1) c_end=document.cookie.length
22                 return unescape(document.cookie.substring(c_start,c_end))
23                 }
24               }
25             return ""
26         }

 

转载于:https://www.cnblogs.com/wenzhilin/p/3342259.html