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ǰҳ: ҳ Javascript ר 用javascript读xml的例子

用javascript读xml的例子

ժҪ: 用javascript读xml的例子
1.xml文件如下:

<?xml version="1.0" encoding="UTF-8"?>
<zip>
<city>
mycity</city>
<state>mystate</state>
</zip>

2.读此xml的javascript例子:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script language="javascript"  type="text/javascript">

var url = "NewFile.xml";
String.prototype.Trim = function() { return this.replace(/(^\s*)|(\s*$)/g, ""); }

var xmlDoc;

 var moz = (typeof document.implementation != ´undefined´)
  && (typeof document.implementation.createDocument != ´undefined´);
 var ie = (typeof window.ActiveXObject != ´undefined´);

function importXML(file) {

 if (moz) {
  xmlDoc = document.implementation.createDocument("", "doc", null);

 } else if (ie) {
  xmlDoc = new ActiveXObject("MSXML2.DOMDocument.3.0");
  xmlDoc.async = false;
  while(xmlDoc.readyState != 4) {};
 }
 
 xmlDoc.load(file);
}
importXML(url);

function updateCityState(){
if (moz) {
 var zip = xmlDoc.getElementsByTagName("zip")[0];
 var city;
   var _city = zip.getElementsByTagName("city")[0].firstChild.nodeValue;
    if (_city)  city = _city.Trim();
   
   var state;
   var _state=zip.getElementsByTagName("state")[0].firstChild.nodeValue;
   if(_state) state = _state.Trim();

    document.getElementById(´city´).value = city;
    document.getElementById(´state´).value = state;
   
} else if (ie) {
   var city;
   var _city = xmlDoc.selectSingleNode("/zip/city");
    if (_city) city = _city.text;
   var state;
   var _state=xmlDoc.selectSingleNode("/zip/state");
   if(_state) state = _state.text;
    document.getElementById(´city´).value = city;
    document.getElementById(´state´).value = state; 
  }  
}
</script>
</head>
<body>
<form action="post">

  <p>
  ZIP code:
  <input type="text" size="5" name="zip" id="zip" onblur="updateCityState();" />

  </p>
  City:
  <input type="text" name="city" id="city" />

  State:
  <input type="text" size="2" name="state" id="state" />

</form>
</body>
</html>


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