📄 navigate1.htm

📁 Windows Web脚本开发指南/(美) Dan Heflin, Todd Ney著的源码

💻 HTM

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<html>
<script Language="JavaScript">
var matchingNodes=null;
var position;
function getMatching(){
  var searchName = xmlName.value;
  matchingNodes = xmlDoc.documentElement.getElementsByTagName(searchName);
  if (matchingNodes.length == 0){
    alert("No matching nodes.");
    status.innerHTML = "";
  }
  else{
    position = 0;
    setStatus(); 
    rawXML.innerText = matchingNodes.item(0).xml;
  }
}
function setStatus(){
  navStatus.innerHTML = "Matching nodes: " + matchingNodes.length + " Current position: " + position;
}
function move(){
  var newNode = matchingNodes.nextNode();
  if (newNode == null){
    alert("At end of list. I will reset the list to the beginning");
    matchingNodes.reset();
    newNode = matchingNodes.nextNode();
  }
  rawXML.innerText = newNode.xml;
  position++;
  setStatus(); 	
}
function getRandom(){
  var randomNode = nodeNumber.value; 
  var newNode = matchingNodes.item(randomNode);
  if (newNode == null)
    alert("Node does not exist.");
  else
    alert(newNode.xml);  
}
</script>
<body>
<p align="center"><b>Get Named Node Example</b></p>
<xml ID="xmlDoc" src="big.xml"></xml>
Search For:<input type="Text" ID="xmlName">
<input type="button" value="Find Matching" onClick="getMatching()"><BR>
<div ID="navStatus">&nbsp;</div>
<p><input type="button" value="Move Next" onClick="move()"></p> 
<p>Nodes XML:</p>
<div ID="rawXML">&nbsp;</div>
<p>Look Up Node Number:<input type="Text" ID="nodeNumber" length="4">
<input type="button" value="Get Node's XML" onClick="getRandom()"></p>
</body>
</html>

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