问题描述
<event time="0.0" type="actend" person="770885_2_Person" link="271711" actType="other" />
<event time="0.0" type="departure" person="770885_2_Person" link="271711" legMode="car" />
<event time="0.0" type="PersonEntersvehicle" person="770885_2_Person" vehicle="770885_2_Person" />
<event time="0.0" type="vehicle enters traffic" person="770885_2_Person" link="271711" vehicle="770885_2_Person" networkMode="car" relativePosition="1.0" />
<event time="1.0" type="left link" link="271711" />
<event time="1.0" type="entered link" link="271715" vehicle="770885_2_Person" />
<event time="15.0" type="left link" link="271715" />
<event time="15.0" type="entered link" link="535413" vehicle="770885_2_Person" />
<event time="17.0" type="left link" link="535413" />
<event time="17.0" type="entered link" link="813064" vehicle="770885_2_Person" />
<event time="19.0" type="left link" link="813064" />
<event time="19.0" type="entered link" link="813066" vehicle="770885_2_Person" />
<event time="22.0" type="left link" link="813066" />
<event time="22.0" type="entered link" link="813068" vehicle="770885_2_Person" />
<event time="23.0" type="actend" person="368018_2_Person" link="614790" actType="other" />
<event time="23.0" type="departure" person="368018_2_Person" link="614790" legMode="car" />
<event time="23.0" type="PersonEntersvehicle" person="368018_2_Person" vehicle="368018_2_Person" />
<event time="23.0" type="vehicle enters traffic" person="368018_2_Person" link="614790" vehicle="368018_2_Person" networkMode="car" relativePosition="1.0" />
<event time="24.0" type="left link" link="614790" />
....
缺少根节点,因此,当我执行 treeEvents = et.parse(file_occup_xml)
时,我收到与根缺失相关的错误(当我手动添加根时,上述解析工作正常)。
所以我查看了 here 和 here,但是,在这两种情况下,我实际上无法执行 parse()
命令,因为没有 root。
我在这里错过了什么吗?然后如何在该 XML 文件上添加根目录?
解决方法
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