2012-04-24 100 views
4

我需要更改按文档的xml声明部分,或只选择数据减去声明。哪个更容易?更改Xml声明或选择xml无声明部分

这是什么我的XML看起来像一个例子:

<?xml version="1.0" encoding="utf-16"?> 
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> 
    <fo:layout-master-set> 
     <fo:simple-page-master page-height="11in" page-width="8.5in" margin-top="0.50in" margin-left="0.8in" margin-right="0.8in" margin-bottom="0.25in" master-name="PageMaster"> 
      <fo:region-body border-style="none" border-width="thin" margin-top="0in" margin-left="0in" margin-right="0in" margin-bottom="0.25in"/> 
      <fo:region-after border-style="none" border-width="thin" extent="0.25in"/> 
     </fo:simple-page-master> 
    </fo:layout-master-set> 
    <fo:page-sequence master-reference="PageMaster"/> 
</fo:root> 

我试图改变XML声明是:

<?xml version="1.0" encoding="iso-8859-1"?> 
+0

它的工作原理...尝试再添加一个。 – ykatchou 2012-04-24 13:37:06

+0

请添加更多格式... – ykatchou 2012-04-24 13:37:45

+0

*为什么*您是否在尝试更改XML声明? – Tomalak 2012-04-24 13:40:19

回答

7

你是不是想以编程方式更改的XML?如果是这样,你可以通过创建新的XmlDeclaration并与前一个替换它这样做,如下图所示:

  XmlElement element = doc.DocumentElement; 
      XmlDeclaration xmlDeclaration; 
      xmlDeclaration = doc.CreateXmlDeclaration("1.0", "iso-8859-1", null); 
      doc.ReplaceChild(xmlDeclaration, doc.FirstChild); 

你只需要确保该文件的第一个孩子是XML声明。

0

的通缉令“XML声明的改变”,可以非常轻松地完成(不评论这种变化是否是正确的解决问题的方法),使用XSLT:

<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
<xsl:output indent="yes" encoding="ISO-8859-1"/> 

<xsl:template match="node()|@*"> 
    <xsl:copy> 
    <xsl:apply-templates select="node()|@*"/> 
    </xsl:copy> 
</xsl:template> 
</xsl:stylesheet> 

就将此改造于所提供的XML文档

<?xml version="1.0" encoding="utf-16"?> 
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> 
    <fo:layout-master-set> 
     <fo:simple-page-master page-height="11in" page-width="8.5in" margin-top="0.50in" margin-left="0.8in" margin-right="0.8in" margin-bottom="0.25in" master-name="PageMaster"> 
      <fo:region-body border-style="none" border-width="thin" margin-top="0in" margin-left="0in" margin-right="0in" margin-bottom="0.25in"/> 
      <fo:region-after border-style="none" border-width="thin" extent="0.25in"/> 
     </fo:simple-page-master> 
    </fo:layout-master-set> 
    <fo:page-sequence master-reference="PageMaster"/> 
</fo:root> 

和想要的结果产生

<?xml version="1.0" encoding="iso-8859-1"?> 
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"> 
    <fo:layout-master-set> 
     <fo:simple-page-master page-height="11in" page-width="8.5in" margin-top="0.50in" margin-left="0.8in" margin-right="0.8in" margin-bottom="0.25in" master-name="PageMaster"> 
      <fo:region-body border-style="none" border-width="thin" margin-top="0in" margin-left="0in" margin-right="0in" margin-bottom="0.25in" /> 
      <fo:region-after border-style="none" border-width="thin" extent="0.25in" /> 
     </fo:simple-page-master> 
    </fo:layout-master-set> 
    <fo:page-sequence master-reference="PageMaster" />