import org.apache.commons.lang3.StringUtils;import org.dom4j.*;import org.dom4j.io.SAXReader;import org.junit.Before;import org.junit.Test;import org.junit.runner.RunWith;import org.junit.runners.JUnit4;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;/** * 测试类: 测试dom4j相关api功能 * * @author chenx * @date 2017/12/5 */@RunWith(JUnit4.class)public class Dom4jTest { private Document document; @Before public void init() throws DocumentException { SAXReader saxReader = new SAXReader(); document = saxReader.read(getClass().getResourceAsStream("Gps_Stops.xml")); } @Test public void testIterator() { Element root = document.getRootElement(); for (Iterator<Element> iterator = root.elementIterator(); iterator.hasNext();) { Element element = iterator.next(); if (element.isTextOnly()) { System.out.println(element.getQualifiedName() ":" element.getTextTrim()); } } } @Test public void testXpath() { List<Node> nodes = document.selectNodes("//G_CONSIDERED_DATE"); for (Node node : nodes) { Element element = (Element) node; Element curDate = element.element("CONSIDERED_DATE"); System.out.println(curDate.getQualifiedName() ":" curDate.getTextTrim()); } } @Test public void testIteratorAttr() { Map<String, String> namespaceMap = new HashMap<String, String>(); namespaceMap.put("ns", "GpsStopsByGroupReport"); XPath xPath = document.createXPath("//ns:table1_GroupName/ns:table1_UserNum_Collection/ns:table1_UserNum"); xPath.setNamespaceURIs(namespaceMap); List<Node> nodes = xPath.selectNodes(document); for(int i=0;i<nodes.size();i ){ Node node=nodes.get(i); System.out.println(node.valueOf("@UserName"));// XPath otherXPath = DocumentHelper.createXPath("//ns:table1_GroupName/ns:table1_UserNum_Collection/ns:table1_UserNum");// otherXPath.setNamespaceURIs(namespaceMap);// List<Node> carsInfos = otherXPath.selectNodes(node);// carsInfos.forEach(carsInfo -> {// String interval = StringUtils.normalizeSpace(carsInfo.valueOf("@UserName"));// System.out.println(interval);// }); } } @Test public void testIteratorByElement() { Element root = document.getRootElement(); Iterator<Element> hotelInfos = root.elements().get(1).elements().get(0).elements().get(0).elements().get(0).elements().iterator(); while (hotelInfos.hasNext()) { Element hotelInfo = hotelInfos.next(); System.out.println(hotelInfo.attributeValue("Group")); Iterator<Element> carInfos = hotelInfo.elements().get(0).elements().iterator(); while (carInfos.hasNext()) { Element carInfo = carInfos.next(); System.out.println(carInfo.attributeValue("UserName")); } } }}
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