xlst 实现xml的解析

xml version="1.0" encoding="utf-8" ?>
< xsl:stylesheet  version ="1.0"  xmlns:xsl ="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxsl ="urn:schemas-microsoft-com:xslt"  exclude-result-prefixes ="msxsl"
>
   < xsl:output  method ="xml"  indent ="yes"  omit-xml-declaration ="yes" />

   < xsl:param  name ="tag" />

   < xsl:template  match ="/" >

   < xsl:call-template  name ="output-tokens" >
       < xsl:with-param  name ="list"  select ="$tag" />
       < xsl:with-param  name ="separator" > , xsl:with-param >
     xsl:call-template >
   xsl:template >

   < xsl:template  name ="output-tokens" >
     < xsl:param  name ="list"   />
     < xsl:param  name ="separator"   />
     < xsl:variable  name ="newlist"  select ="concat(normalize-space($list), $separator)"   />
     < xsl:variable  name ="first"  select ="substring-before($newlist, $separator)"   />
     < xsl:variable  name ="remaining"  select ="substring-after($newlist, $separator)"   />

     < xsl:value-of  select ="//*[name() = $first]"  disable-output-escaping ="yes" />
     < br />

     < xsl:if  test ="substring-before($remaining, $separator) != ''" >
       < xsl:call-template  name ="output-tokens" >
         < xsl:with-param  name ="list"  select ="$remaining"   />
         < xsl:with-param  name ="separator"  select ="$separator"   />
       xsl:call-template >
     xsl:if >
   xsl:template >

xsl:stylesheet >