js读取本地文件_js设置与读取cookie值代码

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js设置与读取cookie值代码
<script language="javascript教程"> 
function setCookie(name, value)  //cookies设置
{
 var argv = setCookie.arguments;
 var argc = setCookie.arguments.length;
 var expires = (argc > 2) ? argv[2] : null;
 if(expires!=null)
 {
  var LargeExpDate = new Date ();
  LargeExpDate.setTime(LargeExpDate.getTime() + (expires*1000*3600*24));
 }
 document.cookie = name + "=" + escape (value)+((expires == null) ? "" : ("; expires=" +LargeExpDate.toGMTString()));
}

function getCookie(Name)   //cookies读取
{
 var search = Name + "="
 if(document.cookie.length > 0)
 {
  offset = document.cookie.indexOf(search)
  if(offset != -1)
  {
   offset += search.length
   end = document.cookie.indexOf(";", offset)
   if(end == -1) end = document.cookie.length
   return unescape(document.cookie.substring(offset, end))
   }
 else return ""
   }
}

setCookie("111cnNet","aaa");//设置cookie值
var bf =getCookie("111cn.Net") ;//读取cookie值
</script>

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