我正在尝试从 XML
中提取一些标签文档使用 JAVA
我看到了一些与 DOM
相关的答案但我不需要标签的值,如下XML
我必须提取<MsgHeader>
标签
<MFEP>
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>145</SdrCode>
<RcvCode>7777</RcvCode>
<ReqTyp>asd</ReqTyp>
</TrsInf>
</MsgHeader>
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>2123</SdrCode>
<RcvCode>323</RcvCode>
<ReqTyp>asd</ReqTyp>
</TrsInf>
</MsgHeader>
<MsgBody>
<AcctInfo>
<BillingNo>asd</BillingNo>
<BillNo>1267</BillNo>
</AcctInfo>
<ServiceType>FixedLine</ServiceType>
</MsgBody>
<MsgFooter>
<Security>
<Signature>asd</Signature>
</Security>
</MsgFooter>
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>2</SdrCode>
<RcvCode>3</RcvCode>
<ReqTyp>BILPULRQ</ReqTyp>
</TrsInf>
</MsgHeader>
</MFEP>
输出必须是
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>145</SdrCode>
<RcvCode>7777</RcvCode>
<ReqTyp>asd</ReqTyp>
</TrsInf>
</MsgHeader>
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>2123</SdrCode>
<RcvCode>323</RcvCode>
<ReqTyp>asd</ReqTyp>
</TrsInf>
</MsgHeader>
<MsgHeader>
<TmStp>2013-12-25T10:52:50</TmStp>
<TrsInf>
<SdrCode>2</SdrCode>
<RcvCode>3</RcvCode>
<ReqTyp>BILPULRQ</ReqTyp>
</TrsInf>
</MsgHeader>
最佳答案
我知道您不愿意搞乱 XSLT,但它会像这样简单:
转换.xslt
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<MFEP>
<xsl:apply-templates select="/MFEP/MsgHeader"/>
</MFEP>
</xsl:template>
<xsl:template match="/MFEP/MsgHeader">
<xsl:copy-of select="." />
</xsl:template>
</xsl:stylesheet>
Java代码:
TransformerFactory factory = TransformerFactory.newInstance();
Source xslt = new StreamSource(new File("transform.xslt"));
Transformer transformer = factory.newTransformer(xslt);
Source text = new StreamSource(new File("input.xml"));
transformer.transform(text, new StreamResult(new File("output.xml")));
关于java - 从 xml 文档中提取标签,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41333995/