Ext.data.Store 读取XML属性值

data.xml
<?xml version="1.0" encoding="UTF-8"?>
<Items>
<Item ASIN="0446355453"
Author="Sidney Sheldon"
Manufacturer="Warner Books"
ProductGroup="Book"
Title="Master of the Game"/>

<Item ASIN="0446613657"
Author="Sidney Sheldon"
Manufacturer="Warner Books"
ProductGroup="Book"
Title="Are You Afraid of the Dark?"/>

<Item ASIN="0446357421"
Author="Sidney Sheldon"
Manufacturer="Warner Books"
ProductGroup="Book"
Title="If Tomorrow Comes"/>

<Item ASIN="0446607207"
Author="Sidney Sheldon"
Manufacturer="Warner Books"
ProductGroup="Book"
Title="Tell Me Your Dreams"/>

<Item ASIN="0446357448"
Author="Sidney Sheldon"
Manufacturer="Warner Books"
ProductGroup="Book"
Title="Bloodline"/>
</Items>

/**
* Ext.data.Store 读取XML属性值
* @author KJW
* @param {} config
*/
TestGrid = function(config) {
config = config || {};

this.cm = new Ext.grid.ColumnModel([
{header : 'Author', dataIndex: 'Author'},
{header : 'Manufacturer', dataIndex: 'Manufacturer'},
{header : 'ProductGroup', dataIndex: 'ProductGroup'},
{header : 'Title', dataIndex: 'Title'}
]);

this.store = new Ext.data.Store({
url : 'data.xml',
reader : new Ext.data.XmlReader({
record : 'Item',
id : '@ASIN',
totalRecords: '@total'
}, [
{name: 'Author', mapping: '@Author'},
{name: 'Manufacturer', mapping: '@Manufacturer'},
{name: 'ProductGroup',