xml-xsl-xml转换
有个xml文件,比如:
<Content>
<book>
Programming Windows
</book>
<book>
Programming Linux
</book>
<book>
Programming Unix
</book>
</Content>
想要使用xsl转换成
<Content>
<book>
<number>1</number>
<title>
Programming Windows
</title>
</book>
<book>
<number>2</number>
<title>
Programming Linux
</title>
</book>
<book>
<number>3</number>
<title>
Programming Unix
</title>
</book>
</Content>
xsl文件怎么写?各位帮个忙,多谢