text
是Xpath函数,所以要正确使用它
/CWEAI/cwReturnTruckCanbusHistory/Odometer/text()
结果是
Text='1374031'
使用 php 工作:
$xml = simplexml_load_string($str);
$ns = $xml->getNamespaces(true);
$xml->registerXPathNamespace('c', current($ns));
$target = $xml->xpath('//c:CWEAI//c:cwReturnTruckCanbusHistory/c:Odometer/text()');
echo $target[0];