📄 at.rhtml

📁 ajax在ruby中的应用

💻 RHTML

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<html>
  <head>
    <title>Handling XML with Ajax</title>
    <%= javascript_include_tag "prototype" %>

    <script language="JavaScript">
      function handleData(request)
      {
            var xmlDocument = request.responseXml;
            items = xmlDocument.getElementsByTagName("item");
            listItems(items);
      }

    function listItems (items)
    {
        var loopIndex, text;
        var displayDiv = document.getElementById('displayDiv');
        text = "";

        for (loopIndex = 0; loopIndex < items.length; loopIndex++ )
        {
            text += items[loopIndex].firstChild.data + " ";
        }

        displayDiv.innerHTML = text;
    }
    </script>

  </head>
  <body>
    <h1>Handling XML with Ajax</h1>
    <br>
    <%= link_to_remote("Click me to handle XML with Ajax", :success => "handleData(request)",
      :url => {:action => :getter }) %>
    <br>
    <br>
    <h3><div id = "displayDiv">The new text will appear here.</div></h3>
  </body>
</html>

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