下载我一个项目中用到Ｘｐａｔｈ的构建，所以，主要用２点，Stylus Studio® 2006 Help Overview
Stylus Studio® 2006 help provides information and instructions for using Stylus Studio to develop XML applications. Stylus Studio is an interactive development environment (IDE) for working with XML and related technologies - XSLT, XQuery, XML Schema, SQL/XML, WSDL, SOAP, and others. The information in the help is organized as follows:
Editing and Querying XML
Converting Non-XML Files to XML
Working with XSLT
Creating XSLT Using the XSLT Mapper
Debugging Stylesheets
Defining XML Schemas
Defining Document Type Definitions
Writing XPath Expressions
Working with XQuery in Stylus Studio
Composing Web Service Calls
Accessing Relational Data as XML
Integrating with Third-Party File Systems
Extending Stylus Studio
１：找到某个节点的Xpath（有时候,树很深，要手工写很麻烦，要是有namespace的就更加了）
２：通过某个Xpath看可以找到多少节点
（目前这个软件Ｅｍｕｌｅ上有破解版，当然要是你用正版是最好了）