ExtJs与JSON格式数据绑定的方法

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在这个AJAX流行年代，xml绑定已经满足不了我们的需求。ExtJs又为我们提供了JSON格式数据绑定的方法，下面我们来看看效果

用到的有二个文件survey.html、xml-grid.html，注意js引用路径。

survey.html文件：

[{"appeId":"1","survId":"1","location":"","surveyDate":"2008-03-14","surveyTime":"12:19:47","inputUserId":"1","inputTime":"2008-03-14 12:21:51","modifyTime":"0000-00-00 00:00:00"},
{"appeId":"2","survId":"32","location":"","surveyDate":"2008-03-14","surveyTime":"22:43:09","inputUserId":"32","inputTime":"2008-03-14 22:43:37","modifyTime":"0000-00-00 00:00:00"},
{"appeId":"3","survId":"32","location":"","surveyDate":"2008-03-15","surveyTime":"07:59:33","inputUserId":"32","inputTime":"2008-03-15 08:00:44","modifyTime":"0000-00-00 00:00:00"},
{"appeId":"4","survId":"1","location":"","surveyDate":"2008-03-15","surveyTime":"10:45:42","inputUserId":"1","inputTime":"2008-03-15 10:46:04","modifyTime":"0000-00-00 00:00:00"},
{"appeId":"5","survId":"32","location":"","surveyDate":"2008-03-16","surveyTime":"08:04:49","inputUserId":"32","inputTime":"2008-03-16 08:05:26","modifyTime":"0000-00-00 00:00:00"},
{"appeId":"6","survId":"32","location":"","surveyDate":"2008-03-20","surveyTime":"20:19:01","inputUserId":"32","inputTime":"2008-03-20 20:19:32","modifyTime":"0000-00-00 00:00:00"}]

json-grid.html 文件：

<html>
<head>
  <link rel="stylesheet" type="text/css"
   href="../script/ext/resources/css/ext-all.css" />
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <script type="text/javascript" src="../script/ext/ext-base.js"></script>
  <script type="text/javascript" src="../script/ext/ext-all.js"></script>
  <script type="text/javascript"
   src="../script/ext/build/locale/ext-lang-zh_CN.js"></script>
  <script>
Ext.onReady(function(){

    // create the grid
    var grid = new Ext.grid.GridPanel({
        store: store,
        columns: [
            {header: "appeId", width: 60, dataIndex: 'appeId', sortable: true},
            {header: "survId", width: 60, dataIndex: 'survId', sortable: true},
            {header: "location", width: 60, dataIndex: 'location', sortable: true},
            {header: "surveyDate", width: 100, dataIndex: 'surveyDate', sortable: true},
            {header: "surveyTime", width: 100, dataIndex: 'surveyTime', sortable: true},
            {header: "inputUserId", width:80, dataIndex: 'inputUserId', sortable: true}
        ],
        renderTo:'example-grid',
        width:540,
        height:200
    });

});

</script>
</head>
<body>
<div id="example-grid"></div>
</body>
</html>