flex 中使用 JavaScript 写 Cookie

最新推荐文章于 2014-08-05 21:59:25 发布

huanglin

最新推荐文章于 2014-08-05 21:59:25 发布

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分类专栏： flex 文章标签： javascript flex function search date user

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博客给出了使用JavaScript实现Cookie读写功能的代码。写Cookie函数可将名称、实际值和保存时间存入Cookie；读Cookie函数能从Cookie中读取指定名称的值，并将其传递给Flex中定义的变量。

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/**
*写Cookie
*
* name 保存到Cookie中的名称
* text 保存到Cookie中的实际值
* savetime 保存到Cookie中的时间
*/
function writeCookie(name,text,savetime)
{
getUrl("javascript:function writeCookie(name, value, hours) "+
" { "+
" var expire = ''; "+
" if(hours != null) "+
" { " +
" expire = new Date((new Date()).getTime() + hours * 3600000); " +
" expire = '; expires=' + expire.toGMTString();"+
" }" +
" document.cookie = name + '=' + escape(value) + expire;"+
"} "+
" writeCookie('"+name+"','"+text+"',"+savetime+"); " );

}

/**
*读Cookie
* flexname flex 中定义的变量
* name 保存到Cookie中的名称
*
   flexname 例子:

   function set user_name(txt:String) {
            username.text=txt; //可以根据情况保存到对应的变量或域中
   }

   readCookie("user_name",'name');

*/
function readCookie(flexname,name)
{
getUrl( " Javascript: "+
   " var name ='"+name+"' ;"+
   " var cookieValue = ''; "+
   " 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; "+
   "      cookieValue = unescape(document.cookie.substring(offset, end)) "+
   "    } "+
   " } "+
   " window.document.getElementsByTagName('object')[0].SetVariable ('"+flexname+"',cookieValue);" );
}