js使用ajax讀博客rss示例

2019-11-20 20:43:42

字體：大中小

來源：轉載

供稿：網友

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>this is test</title>

function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}

function ResultSet() {
    var results = xmlHttp.responseXML;
    var title = null;
    var item = null;
    var link=null;
    //得到channel
    var ccc=results.getElementsByTagName("channel");
     var headtitle=ccc[0].getElementsByTagName("title")[0].firstChild.nodeValue;
     var headlink=ccc[0].getElementsByTagName("link")[0].firstChild.nodeValue;
     var cell = document.createElement("div");
        cell.innerHTML="<h1><a href="+headlink+" target=_blank>"+headtitle+"</a></h1>
";
        document.getElementById("result").appendChild(cell);
       //得到items
    var items = results.getElementsByTagName("item");
    for(var i = 0; i < items.length; i++) {
        item = items[i];
        link=item.getElementsByTagName("link")[0].firstChild.nodeValue;
        title = item.getElementsByTagName("title")[0].firstChild.nodeValue;
        var cell = document.createElement("div");
        cell.innerHTML="<a href="+link+" target=_blank>"+title+"</a>
";
       document.getElementById("result").appendChild(cell);
    }

}
function readrss1()
{
    var url=document.getElementById("txturl").value;
    if(url=="")
    {
        alert("請輸入RSS地址");
        }
    else
        {
            readRSS(url);
            }
    }

</script>
</head>

<body">
<h1>ajax讀rss示例</h1>
<form >

<a href="javascript:readRSS('http://www.blogjava.net/rss.aspx')">blogjava原創區 </a>
   <a href="javascript:readRSS('http://beginner.blogjava.net/rss.aspx')">blogjava新手區 </a>
    <a href="javascript:readRSS('http://life.blogjava.net/rss.aspx')">blogjava非技術區 </a>
     <a href="javascript:readRSS('http://general.blogjava.net/rss.aspx')">綜合區 </a>

     輸入一個RSS地址:<input type="text" value="http://www.blogjava.net/wujun/rss.aspx" size=50 id="txturl">
     <input type="button" value="查看" onclick="readrss1()">

</form>
    <div id="result"></div>
</body>
</html>