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HomeWeb Front-endHTML Tutorial在<li>.</li>中添加链接?_html/css_WEB-ITnose

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  • 中添加链接我知道,如何让链接自动更新,就像发布通知一样,一旦服务端发布了新内容,就自动显示在最上面;我是初学者,求大侠指点!!!


    回复讨论(解决方案)

    用ajax每隔一定的时间向服务器发一个请求,根据服务器返回的内容来判断是否更新链接

    AJAX不会用,麻烦给我一个详细的例子:
    这是我部分程序


         
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    我如果再加入一个4.html到文件夹,如何使其代码变成
       
        
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     在程序方面需要怎么修改

    <script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script><ul id="ulid">	<li><a href="3.html" target="_blank" title="3">3</a></li>	<li><a href="2.html" target="_blank" title="2">2</a></li>	<li><a href="1.html" target="_blank" title="1">1</a></li></ul><script type="text/javascript">function addli(obj) {	$("#ulid").prepend('<li><a href="'+obj.url+'" target="_blank" title="'+obj.title+'">'+obj.text+'</a></li>');	$("#ulid li:last").remove();}$(function(){	setInterval(function() {		// 要求服务器有更新时返回 {"url":"4.html","title":"4","text":"4"}		// 服务器没有更新时返回 null		$.getJSON('xxxxx.php', function(data) {			if (data)				addli(data);		});	}, 5000);});</script>

    非常感谢!!

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