1. xml中的localName和QName
<?xml version="1.0" encoding="utf-8"?>
<websites
xmlns:sina="https://www.sina.com"
xmlns:baidu="https://www.baidu.com">
<sina:website sina:blog="blog.sina.com">新浪</sina:website>
<baidu:website baidu:blog="hi.baidu.com">百度</baidu:website>
</websites><?xml version="1.0
