<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >DOMDocument->saveXML()</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="DOM Functions" HREF="ref.dom.html"><LINK REL="PREVIOUS" TITLE="DOMDocument->saveHTMLFile()" HREF="function.dom-domdocument-savehtmlfile.html"><LINK REL="NEXT" TITLE="DOMDocument->schemaValidate()" HREF="function.dom-domdocument-schemavalidate.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.dom-domdocument-savehtmlfile.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.dom-domdocument-schemavalidate.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dom-domdocument-savexml" ></A >DOMDocument->saveXML()</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN40184" ></A ><P > (no version information, might be only in CVS)</P >DOMDocument->saveXML() -- Dumps the internal XML tree back into a string </DIV ><DIV CLASS="refsect1" ><A NAME="AEN40187" ></A ><H2 >说明</H2 >class <B CLASS="classname" >DOMDocument</B > { <BR ></BR >string <B CLASS="methodname" >saveXML</B > ( [DOMNode node [, int options]] )<BR ></BR >}<P > Creates an XML document from the DOM representation. This function is usually called after building a new dom document from scratch as in the example below. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40202" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >node</CODE ></DT ><DD ><P > Use this parameter to output only a specific node without XML declaration rather than the entire document. </P ></DD ><DT ><CODE CLASS="parameter" >options</CODE ></DT ><DD ><P > Additional Options. Currently only <A HREF="ref.libxml.html#libxml.constants" >LIBXML_NOEMPTYTAG</A > is supported. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40217" ></A ><H2 >返回值</H2 ><P > Returns the XML, or <TT CLASS="constant" ><B >FALSE</B ></TT > if an error occurred. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40221" ></A ><H2 >错误/异常</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><TT CLASS="constant" ><B >DOM_WRONG_DOCUMENT_ERR</B ></TT ></DT ><DD ><P > Raised if <CODE CLASS="parameter" >node</CODE > is from another document. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40231" ></A ><H2 >更新日志</H2 ><P > <DIV CLASS="informaltable" ><P ></P ><A NAME="AEN40234" ></A ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >版本</TH ><TH >说明</TH ></TR ></THEAD ><TBODY ><TR ><TD >5.1.0</TD ><TD > Added the <CODE CLASS="parameter" >options</CODE > parameter </TD ></TR ></TBODY ></TABLE ><P ></P ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40245" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN40248" ></A ><P ><B >例 1. Saving a DOM tree into a string</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br />$doc </font><font color="#007700">= new </font><font color="#0000BB">DOMDocument</font><font color="#007700">(</font><font color="#DD0000">'1.0'</font><font color="#007700">);<br /></font><font color="#FF8000">// we want a nice output<br /></font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">formatOutput </font><font color="#007700">= </font><font color="#0000BB">true</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$root </font><font color="#007700">= </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">createElement</font><font color="#007700">(</font><font color="#DD0000">'book'</font><font color="#007700">);<br /></font><font color="#0000BB">$root </font><font color="#007700">= </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">appendChild</font><font color="#007700">(</font><font color="#0000BB">$root</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$title </font><font color="#007700">= </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">createElement</font><font color="#007700">(</font><font color="#DD0000">'title'</font><font color="#007700">);<br /></font><font color="#0000BB">$title </font><font color="#007700">= </font><font color="#0000BB">$root</font><font color="#007700">-></font><font color="#0000BB">appendChild</font><font color="#007700">(</font><font color="#0000BB">$title</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$text </font><font color="#007700">= </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">createTextNode</font><font color="#007700">(</font><font color="#DD0000">'This is the title'</font><font color="#007700">);<br /></font><font color="#0000BB">$text </font><font color="#007700">= </font><font color="#0000BB">$title</font><font color="#007700">-></font><font color="#0000BB">appendChild</font><font color="#007700">(</font><font color="#0000BB">$text</font><font color="#007700">);<br /><br />echo </font><font color="#DD0000">"Saving all the document:\n"</font><font color="#007700">;<br />echo </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">saveXML</font><font color="#007700">() . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br />echo </font><font color="#DD0000">"Saving only the title part:\n"</font><font color="#007700">;<br />echo </font><font color="#0000BB">$doc</font><font color="#007700">-></font><font color="#0000BB">saveXML</font><font color="#007700">(</font><font color="#0000BB">$title</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Saving all the document: <?xml version="1.0"?> <book> <title>This is the title</title> </book> Saving only the title part: <title>This is the title</title></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN40253" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.dom-domdocument-save.html" >DOMDocument->save()</A ></TD ></TR ><TR ><TD ><A HREF="function.dom-domdocument-load.html" >DOMDocument->load()</A ></TD ></TR ><TR ><TD ><A HREF="function.dom-domdocument-loadxml.html" >DOMDocument->loadXML()</A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.dom-domdocument-savehtmlfile.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.dom-domdocument-schemavalidate.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DOMDocument->saveHTMLFile()</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dom.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >DOMDocument->schemaValidate()</TD ></TR ></TABLE ></DIV ></BODY ></HTML >