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我对 phonegap 很陌生，我想将数据从 sevlet 加载到 android 的 listview 中。sevlet 正在调用它无法将数据加载到列表视图中。并且正在从 ajax 调用的警报中调用错误消息。总是显示加载数据时出错。这是我的代码，请帮助我。

 <!DOCTYPE HTML>
 <html>

<head>
<meta name="viewport" content="width=320; user-scalable=no" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Auth Demo</title>
<link rel="stylesheet" href="jquery.mobile-1.3.2.css" type="text/css" charset="utf-8" />
<script type="text/javascript" src="jquery.mobile-1.3.2.min.js"></script>
<script type="text/javascript" charset="utf-8" src="cordova.js"></script>
 <script src="jquery-1.9.1.js"></script>
<script src="jquery.mobile-1.3.2.js"></script>


</head>
<body> 
<div data-role="page">
<div data-role="content">    
    <ul data-role="listview" data-filter="false" id="output" data-theme="d">
    </ul>
</div>
</div>
</body>

<script>

$.ajax({
url: 'http://10.0.2.2:7080/example/CaseList',
dataType: 'jsonp',
jsonp: 'jsoncallback',
timeout: 5000,
success: function(data, status){
   $.each(data, function(i, item) {
          $('ul').append('<li><a href="">' + item.case + '</a></li>');
          });

   $('#output').listview("refresh");
 },
error: function(){
   alert("There was an error loading the data.");
 }
});

</script>

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