XML文件结构如下:
<?xml version="1.0" standalone="yes"?>
<NewDataSet>
<Table>
<productID>1</productID>
<productname>S200</productname>
<productdescription />
<originalprice>2100.0000</originalprice>
<saleprice>2000.0000</saleprice>
<categoryID>2</categoryID>
<photo>S200.jpg</photo>
<publishyear>2007</publishyear>
<publishmonth>4</publishmonth>
</Table>
<Table>
<productID>2</productID>
<productname>S500</productname>
<originalprice>2500.0000</originalprice>
<saleprice>2320.0000</saleprice>
<categoryID>2</categoryID>
<photo>S500.jpg</photo>
<publishyear>2007</publishyear>
<publishmonth>3</publishmonth>
</Table>
<Table>
<productID>3</productID>
<productname>S50</productname>
<originalprice>2030.0000</originalprice>
<saleprice>1950.0000</saleprice>
<categoryID>2</categor
