书上的代码已完全不可参考，只好按知识点从网上查资料一个一个实例 了。
<!DOCTYPE html>
<html>
<head>
<title>ExtJs</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<link rel="stylesheet" type="text/css" href="ExtJs/packages/ext-theme-crisp/build/resources/ext-theme-crisp-all.css">
<script type="text/javascript" src="ExtJs/ext-all.js"></script>
<script type="text/javascript" src="ExtJs/bootstrap.js"></script>
<script type="text/javascript" src="ExtJs/packages/ext-theme-crisp/build/ext-theme-crisp.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
Ext.define('User',{
extend: 'Ext.data.Model',
fields: [
{name: 'id', type: 'int'},
{name: 'name', type: 'string'},
{name: 'age', type: 'int'}
]
});
var datas = {
users: [
{id: 1, name: 'Ed Spencer', age: 55},
{id: 2, name: 'Abe Elias', age: 56},
{id: 3, name: 'Ed Spencer', age: 9}
]
};
var userStore = Ext.create('Ext.data.Store', {
model: 'User',
data: datas.users,
proxy: {
type: 'memory'
}
});
var msg = [];
userStore.each(function(user){
msg.push(user.get('id') + user.get('name') + user.get('age'))
});
Ext.Msg.alert('notice', msg.join('<br />'));
});
</script>
</head>
<body>
<div id='tpl-table1'></div>
<br>
<div id='tpl-table2'></div>
</body>
</html>
