使用Python etree更新XML元素和属性值

使用Python etree更新XML元素和属性值

对于这种工作，我始终建议您这样做，

BeautifulSoup

因为它具有非常容易学习的API：

from BeautifulSoup import BeautifulStoneSoup as Soupxml = """<TrdCaptRpt RptID="10000001" TransTyp="0">    <RptSide Side="1" Txt1="XXXXX">        <Pty ID="XXXXX" R="1"/>    </RptSide></TrdCaptRpt>"""soup = Soup(xml)rpt_side = soup.trdcaptrpt.rptsiderpt_side['txt1'] = 'Updated'rpt_side.pty['id'] = 'Updated'print soup

输出示例：

<trdcaptrpt rptid="10000001" transtyp="0"><rptside side="1" txt1="Updated"><pty id="Updated" r="1"></pty></rptside></trdcaptrpt>

编辑：与

xml.etree.ElementTree

您可以使用以下脚本：

from xml.etree import ElementTree as etreexml = """<TrdCaptRpt RptID="10000001" TransTyp="0">    <RptSide Side="1" Txt1="XXXXX">        <Pty ID="XXXXX" R="1"/>    </RptSide></TrdCaptRpt>"""root = etree.fromstring(xml)rpt_side = root.find('RptSide')rpt_side.set('Txt1', 'Updated')pty = rpt_side.find('Pty')pty.set('ID', 'Updated')print etree.tostring(root)

输出示例：

<TrdCaptRpt RptID="10000001" TransTyp="0">    <RptSide Side="1" Txt1="Updated">        <Pty ID="Updated" R="1" />    </RptSide></TrdCaptRpt>