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JavaScript将XML转成JSON的方法

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JavaScript将XML转成JSON的方法

本文实例讲述了Javascript将XML转成JSON的方法。分享给大家供大家参考。具体方法如下:

1. Javascript代码如下:
复制代码 代码如下:// Changes XML to JSON
function xmlToJson(xml) {
    // Create the return object
    var obj = {};
    if (xml.nodeType == 1) { // element
        // do attributes
        if (xml.attributes.length > 0) {
        obj["@attributes"] = {};
            for (var j = 0; j < xml.attributes.length; j++) {
                var attribute = xml.attributes.item(j);
                obj["@attributes"][attribute.nodeName] = attribute.nodevalue;
            }
        }
    } else if (xml.nodeType == 3) { // text
        obj = xml.nodevalue;
    }
    // do children
    if (xml.hasChildNodes()) {
        for(var i = 0; i < xml.childNodes.length; i++) {
            var item = xml.childNodes.item(i);
            var nodeName = item.nodeName;
            if (typeof(obj[nodeName]) == "undefined") {
                obj[nodeName] = xmlToJson(item);
            } else {
                if (typeof(obj[nodeName].length) == "undefined") {
                    var old = obj[nodeName];
                    obj[nodeName] = [];
                    obj[nodeName].push(old);
                }
                obj[nodeName].push(xmlToJson(item));
            }
        }
    }
    return obj;
};
2. XML代码:
复制代码 代码如下:
   
        <br />         <linkSIN NUM="1102"/><br />         <SPEED TEXT="1421" PCT="51"/><br />     </SD><br />     <SD><br />         <POPULARITY URL="davidwalsh.name/" TEXT="7131"/><br />         <REACH RANK="5952"/><br />         <RANK DELTA="-1648"/><br />     </SD><br /> </ALEXA><br /> 3. JSON结果:<br /> <U>复制代码</U> 代码如下:{<br />   "@attributes": {<br />     AID: "=",<br />     HOME:  0,<br />     URL: "davidwalsh.name/",<br />     VER: "0.9",<br />   },<br />   SD = [<br />     {<br />       "@attributes": {<br />         FLAGS: "",<br />         HOST: "davidwalsh.name",<br />         TITLE: A<br />       },<br />       linkSIN: {<br />         "@attributes": {<br />           NUM: 1102<br />         }<br />       },<br />       SPEED: {<br />         "@attributes": {<br />           PCT: 51,<br />           TEXT: 1421<br />         }<br />       },<br />       TITLE: {<br />         "@attributes": {<br />           TEXT: "David Walsh Blog :: PHP, MySQL, CSS, Javascript, MooTools, and Everything Else",<br />         }<br />       },<br />     },<br />     {<br />       POPULARITY: {<br />         "@attributes": {<br />           TEXT: 7131,<br />           URL: "davidwalsh.name/"<br />         }<br />       },<br />       RANK: {<br />         "@attributes": {<br />           DELTA: "-1648"<br />         }<br />       },<br />       REACH: {<br />         "@attributes": {<br />           RANK = 5952<br />         }<br />       }<br />     }<br />   ]<br /> }</p> <p>关于js操作xml感兴趣的朋友还可参考在线工具:</p> <p>在线XML/JSON互相转换工具<br /> </p> <p>在线XML格式化/压缩工具<br /> </p> <p>希望本文所述对大家的javascript程序设计有所帮助。</p></div> </div> <div style="clear: both;"></div> <div class="author-info fl"> <div><span class="gray">转载请注明:</span>文章转载自 <a href="https://www.mshxw.com/" class="blue">www.mshxw.com</a></div> <div><span class="gray">本文地址:</span><a href="https://www.mshxw.com/it/103536.html" class="blue">https://www.mshxw.com/it/103536.html</a></div> </div> <div class="prev fl"> <p> <a style='text-align:left;' class='center-block text-center glyphicon glyphicon-collapse-down' href="https://www.mshxw.com/it/103534.html">上一篇 JavaScript实现的一个倒计时的类</a> </p> <p> <a style='text-align:left;' class='center-block text-center glyphicon glyphicon-collapse-down' 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