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        用javascript讀取xml文件讀取節(jié)點數(shù)據(jù)
        
            
        
              
        
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            下面代碼是讀取的節(jié)點數(shù)據(jù)，還有一種情況是讀取節(jié)點屬性數(shù)據(jù)。
            view source
            print?01 <head>
            02 <title></title>
            03 <script type="text/javascript">
            04 var objLength = null;
            05 var xmlHttp;
            06 var strurl = "";
            07 function ajaxrequst() {
            08 if (window.ActiveXObject) {
            09 xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            10 }
            11 else {
            12 xmlHttp = new XMLHttpRequest();
            13 }
            14 try {
            15 strurl = "/data/rdzz.xml";
            16 xmlHttp.onreadystatechange = LoadXmlFile;
            17 xmlHttp.open("GET", strurl + "?time=" + (new Date()).getTime(), true);
            18 xmlHttp.send(null);
            19 }
            20 catch (e) {
            21
            22 }
            23
            24 }
            25
            26 function LoadXmlFile() {
            27 var content = "";
            28 if (xmlHttp.readyState == 4) {
            29 if (xmlHttp.status == 200) {
            30 var xmlDOM = xmlHttp.responseXML;
            31 var xmlRoot = xmlDOM.documentElement;
            32 try {
            33 var objLength = xmlRoot.getElementsByTagName("Item");
            34
            35 for (var i = 0; i < objLength.length; i++) {
            36 var elementtitle = objLength[i].getElementsByTagName('NewsTitle')[0];
            37 var elementtime = objLength[i].getElementsByTagName('NewsTime')[0];
            38 var elementurl= objLength[i].getElementsByTagName('NewsUrl')[0];
            39
            40 // LastValue = objLength[i].getAttribute( "LastValue" )
            41 // Prediction = objLength[i].getAttribute( "Prediction" )
            42 // Actual = objLength[i].getAttribute( "Actual" )
            43 // importance = objLength[i].getAttribute( "importance" )
            44 // newstime = objLength[i].getAttribute( "NewsTime" )
            45
            46 var title = elementtitle.textContent || elementtitle.text;
            47 var time = elementtime.textContent || elementtime.text;
            48 var url = elementurl.textContent || elementurl.text;
            49
            50 content += "<li><dl><dd>" + time + "</dd><dd><a href='" + url + "' target='blank'>" + title + "</a></dd></dl></li>";
            51 }
            52 document.getElementById("newsInfo").innerHTML = content;
            53 }
            54 catch (e) {
            55 }
            56 }
            57 }
            58 }
            59 </script>
            60 </head>
            61 <body>
            62 <input id="Button1" type="button" value="read" onclick="ajaxrequst()" />
            63 <div id="newsInfo"></div>
            64 </body>