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<!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>Dynamically Editing Page Content</title>

<script type="text/javascript">
var xmlHttp;

function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}
   
function doSearch() {
    createXMLHttpRequest();
    xmlHttp.onreadystatechange = handleStateChange;
    xmlHttp.open("GET", "dynamicContent.xml", true);
    xmlHttp.send(null);
}
   
function handleStateChange() {
    if(xmlHttp.readyState == 4) {
        if(xmlHttp.status == 200) {
            clearPreviousResults();
            parseResults();
        }
    }
}

function clearPreviousResults() {
    var header = document.getElementById("header");
    if(header.hasChildNodes()) {
        header.removeChild(header.childNodes[0]);
    }

    var tableBody = document.getElementById("resultsBody");
    while(tableBody.childNodes.length > 0) {
        tableBody.removeChild(tableBody.childNodes[0]);
    }
}

function parseResults() {
    var results = xmlHttp.responseXML;

    var property = null;
    var address = "";
    var price = "";
    var comments = "";

    var properties = results.getElementsByTagName("property");
    for(var i = 0; i < properties.length; i++) {
        property = properties[i];
        address = property.getElementsByTagName("address")[0].firstChild.nodeValue;
        price = property.getElementsByTagName("price")[0].firstChild.nodeValue;
        comments = property.getElementsByTagName("comments")[0].firstChild.nodeValue;
       
        addTableRow(address, price, comments);
    }
   
    var header = document.createElement("h2");
    var headerText = document.createTextNode("Results:");
    header.appendChild(headerText);
    document.getElementById("header").appendChild(header);
   
    document.getElementById("resultsTable").setAttribute("border", "1");
}


function addTableRow(address, price, comments) {
    var row = document.createElement("tr");
    var cell = createCellWithText(address);
    row.appendChild(cell);
   
    cell = createCellWithText(price);
    row.appendChild(cell);
   
    cell = createCellWithText(comments);
    row.appendChild(cell);
   
    document.getElementById("resultsBody").appendChild(row);
}

function createCellWithText(text) {
    var cell = document.createElement("td");
    var textNode = document.createTextNode(text);
    cell.appendChild(textNode);
   
    return cell;
}
</script>
</head>

<body>
  <h1>Search Real Estate Listings</h1>
 
  <form action="#">
    Show listings from
        <select>
            <option value="50000">$50,000</option>
            <option value="100000">$100,000</option>
            <option value="150000">$150,000</option>
        </select>
        to
        <select>
            <option value="100000">$100,000</option>
            <option value="150000">$150,000</option>
            <option value="200000">$200,000</option>
        </select>
    <input type="button" value="Search" onclick="doSearch();"/>   
  </form>
 
 
 
  <span id="header">
 
  </span>

  <table id="resultsTable" width="75%" border="0">
    <tbody id="resultsBody">
    </tbody>
  </table>
</body>
</html>

dynamicContent.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<properties>
    <property>
        <address>812 Gwyn Ave</address>
        <price>$100,000</price>
        <comments>Quiet, serene neighborhood</comments>
    </property>   
    <property>
        <address>3308 James Ave S</address>
        <price>$110,000</price>
        <comments>Close to schools, shopping, entertainment</comments>
    </property>   
    <property>
        <address>98320 County Rd 113</address>
        <price>$115,000</price>
        <comments>Small acreage outside of town</comments>
    </property>   
</properties>

posted on 2006-08-03 11:02 Peter Pan 阅读(1489) 评论(3)  编辑  收藏 所属分类: JS

评论

# re: Ajax增加Table内容 2009-07-02 09:23 xior
太谢谢,这份代码很棒,太棒了!  回复  更多评论
  

# re: Ajax增加Table内容 2009-11-03 13:37 zhd
afffaf  回复  更多评论
  

# re: Ajax增加Table内容 2010-08-23 15:07 cosplay
good  回复  更多评论
  


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