<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2006 sp2 U (http://www.altova.com) by colin.li (EMBRACE) -->
<Files>
<book>
          <Name>123</Name>
          <Base64String>123</Base64String>
        </book>
          <book>
          <Name>223</Name>
          <Base64String>423</Base64String>
        </book>
          <book>
          <Name>323</Name>
          <Base64String>523</Base64String>
        </book>
</Files>
怎么把<book>的值一个个读出来