如何在JavaScript中使用cookie

下列代码可以在javascript中创建和获取cookie。

 

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; } function readCookie(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)) } } return cookieValue; }

 

 

再通过checkbox来设置cookie。

 

<input type="checkbox" name="test" value="" onclick="writeCookie('<%=this.ClientID%>' + 'close1', 'my_Close', 8760);" />

 

最后再通过获取的cookie值来进行判断。

 

if (readCookie("<%=this.ClientID%>" + "close1") != "my_Close")

 

参考文章：http://topic.youkuaiyun.com/u/20100103/17/d7167ee3-db30-49e5-8d24-b88aac30d149.html