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来自「Presenting XML.rar,详细介绍有关XML的知识」· HTML 代码 · 共 147 行

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<!DOCTYPE HTML PUBLIC "html.dtd"><HTML><HEAD><TITLE>Presenting XML:Physical Structures in XML Documents:EarthWeb Inc.-</TITLE><META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW"><SCRIPT><!--function displayWindow(url, width, height) {        var Win = window.open(url,"displayWindow",'width=' + width +',height=' + height + ',resizable=1,scrollbars=yes');}//--></SCRIPT></HEAD><BODY  BGCOLOR="#FFFFFF" VLINK="#DD0000" TEXT="#000000" LINK="#DD0000" ALINK="#FF0000"><TD WIDTH="540" VALIGN="TOP"><!--  <CENTER><TABLE><TR><TD><FORM METHOD="GET" ACTION="http://search.itknowledge.com/excite/cgi-bin/AT-foldocsearch.cgi"><INPUT NAME="search" SIZE="20" VALUE=""><BR><CENTER><INPUT NAME="searchButton" TYPE="submit" VALUE="Glossary Search"></CENTER><INPUT NAME="source" TYPE="hidden" VALUE="local" CHECKED> <INPUT NAME="bltext" TYPE="hidden" VALUE="Back to Search"><INPUT NAME="sp" TYPE="hidden" VALUE="sp"></FORM></TD><TD><IMG SRC="http://www.itknowledge.com/images/dotclear.gif" WIDTH="15"   HEIGHT="1"></TD><TD><FORM METHOD="POST" ACTION="http://search.itknowledge.com/excite/cgi-bin/AT-subscriptionsearch.cgi"><INPUT NAME="search" SIZE="20" VALUE=""><BR><CENTER><INPUT NAME="searchButton" TYPE="submit" VALUE="  Book Search  "></CENTER><INPUT NAME="source" TYPE="hidden" VALUE="local" CHECKED> <INPUT NAME="backlink" TYPE="hidden" VALUE="http://search.itknowledge.com:80/excite/AT-subscriptionquery.html"><INPUT NAME="bltext" TYPE="hidden" VALUE="Back to Search"><INPUT NAME="sp" TYPE="hidden" VALUE="sp"></FORM></TD></TR></TABLE></CENTER> --><!--  ISBN=1575213346 //--><!--  TITLE=Presenting XML//--><!--  AUTHOR=Richard Light//--><!--  PUBLISHER=Macmillan Computer Publishing//--><!--  IMPRINT=Sams//--><!--  CHAPTER=07 //--><!--  PAGES=0109-0122 //--><!--  UNASSIGNED1 //--><!--  UNASSIGNED2 //--><P><CENTER><A HREF="0117-0120.html">Previous</A> | <A HREF="../ewtoc.html">Table of Contents</A> | <A HREF="../ch08/0123-0126.html">Next</A></CENTER></P><A NAME="PAGENUM-121"><P>Page 121</P></A><H4><A NAME="ch07_ 20">Summary</A></H4><P>This chapter primarily addressed the role that physical structures (entities)play in XML. You have seen that there are two types of XML entities:</P><UL><LI>          Text entities are effectively part of the XML document.<LI>          Binary entities are any other type of resource.</UL><P>I briefly discussed the main uses to which entities can be put, and how torefer to both general entities and parameter entities. (The latter are useful onlywhen creating a DTD.)</P><P>After this, I pointed out that XML entities are a slightly abstract conceptthat can be physically implemented in a number of ways. The two mostcommon methods are to hold entities as files and to store them as part of an XMLdocument.</P><P>I then covered how logical and physical structures can nest within eachother in XML, and I finished this discussion by describing the built-in entitiesincluded with XML.</P><P>I then showed how to insert references to any individual character in theISO 10646 character set. The chapter was rounded off with a broader review ofthe character encoding issues and strategies in XML.</P><P>The next chapter looks at what is inside XML DTDs. They are thecontrol center that determines what is allowed in your XML documents.</P><A NAME="PAGENUM-122"><P>Page 122</P></A><P><CENTER><A HREF="0117-0120.html">Previous</A> | <A HREF="../ewtoc.html">Table of Contents</A> | <A HREF="../ch08/0123-0126.html">Next</A></CENTER></P></TD></TR></TABLE></BODY></HTML>

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