【发布时间】：2021-01-27 11:41:49
【问题描述】：
无法评估具有 [@xsi:type='ED'] 类型的 Xpath xpression
XPathFactory xpathFactory = XPathFactory.newInstance();
XPath xpath = xpathFactory.newXPath(); 字符串名称 = xpath.evaluate("/MCCI_IN200100UV01/PORR_IN049016UV[1]/controlActProcess[@classCode='CACT'][@moodCode='EVN']/subject[@typeCode='SUBJ'][1]/investigationEvent[@ classCode='INVSTG'][@moodCode='EVN']/component[@typeCode='COMP'][adverseEventAssessment][1]/adverseEventAssessment[@classCode='INVSTG'][@moodCode='EVN']/subject1 [@typeCode='SBJ'][1]/primaryRole[@classCode='INVSBJ']/subjectOf2[@typeCode='SBJ'][observation[id][code[@code='29'][@codeSystem= '2.16.840.1.113883.3.989.2.1.1.19']]][1]/observation[@classCode='OBS'][@moodCode='EVN']/outboundRelationship2[@typeCode='PERT'][observation/代码[@code='30'][@codeSystem='2.16.840.1.113883.3.989.2.1.1.19']][1]/观察[@classCode='OBS'][@moodCode='EVN']/值[@xsi:type='ED'][1]/text()",doc)
// doc是通过build.parse()解析的xml文档；
将 value[@xsi:type='ED'][1]/text() 更改为 value/text() 后，相同的表达式正在工作
像这样的示例 xml 内容
<outboundRelationship2 typeCode="PERT">
<observation moodCode="EVN" classCode="OBS">
<code code="30" codeSystem="2.16.840.1.113883.3.989.2.1.1.19" codeSystemVersion="2.0" />
<value xsi:type="ED">myalgias, back</value>
</observation>
</outboundRelationship2>
【问题讨论】：