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<?xml version="1.0" encoding="GBK" standalone="yes"?>
<upRule>
<devVersion>V1.0.0.0</devVersion>
<safeEquipmentType>1</safeEquipmentType>
<safeEquipmentTypeName>SF6</safeEquipmentTypeName>
<signalTypeStart>9</signalTypeStart>
<signalTypeEnd>16</signalTypeEnd>
<signalTypeName>遥信</signalTypeName>
<msgHead>11000000</msgHead>
<msgEnd></msgEnd>
<msgAllLength>8</msgAllLength>
<msgType>1</msgType>
<msgTypeName>常州科能</msgTypeName>
<Lengthstart>17</Lengthstart>
<Lengthend>24</Lengthend>
</upRule>
import java.io.File;
import javax.xml.parsers.*;
import org.w3c.dom.*;
public class Test {
public static void main(String[] args){
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder dbu;
dbu = dbf.newDocumentBuilder();
File f=new File("/tmp/1.xml");
Document doc = dbu.parse(f);
Element root = doc.getDocumentElement();
NodeList upRule = root.getElementsByTagName("devVersion");
System.out.println(upRule.item(0).getTextContent());
} catch (Exception e) {
e.printStackTrace();
}
}
}