DOM4J 解析XML文件

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<?xml version="1.0" encoding="UTF-8"?><China>  <province id="01" name="北京">    <city id="0101" name="北京">      <county id="010101" name="北京" weatherCode="101010100"/>      <county id="010102" name="海淀" weatherCode="101010200"/>      <county id="010103" name="朝阳" weatherCode="101010300"/>      <county id="010104" name="顺义" weatherCode="101010400"/>      <county id="010105" name="怀柔" weatherCode="101010500"/>      <county id="010106" name="通州" weatherCode="101010600"/>      <county id="010107" name="昌平" weatherCode="101010700"/>      <county id="010108" name="延庆" weatherCode="101010800"/>      <county id="010109" name="丰台" weatherCode="101010900"/>      <county id="010110" name="石景山" weatherCode="101011000"/>      <county id="010111" name="大兴" weatherCode="101011100"/>      <county id="010112" name="房山" weatherCode="101011200"/>      <county id="010113" name="密云" weatherCode="101011300"/>      <county id="010114" name="门头沟" weatherCode="101011400"/>      <county id="010115" name="平谷" weatherCode="101011500"/>    </city>  </province></China>

做了一个天气项目解析城市XML

import java.io.File;import java.net.URL;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.Map.Entry;import org.dom4j.Document;import org.dom4j.Element;import org.dom4j.io.SAXReader;public class ParseXml {public Map<String,String> read() {Map<String,String> map = null;try {SAXReader reader = new SAXReader();URL resoucePath = PropertiesLoader.class.getClassLoader().getResource("city_code.xml");File file = new File(resoucePath.getPath());Document document = reader.read(file);// 获取根节点Element root = document.getRootElement();Iterator<?> iter = root.elementIterator("province"); // 获取根节点下的子节点provincemap = new HashMap<String,String>();// 遍历province节点while (iter.hasNext()) {Element recordEle = (Element) iter.next();Iterator<?> iters = recordEle.elementIterator("city"); // 获取子节点province下的子节点city// 遍历province节点下的city节点while (iters.hasNext()) {Element itemEle = (Element) iters.next();Iterator<?> itor = itemEle.elementIterator("county"); // 获取子节点city下的子节点county// 遍历city下的子节点countywhile (itor.hasNext()) {Element countryEle = (Element) itor.next();String id = countryEle.attributeValue("weatherCode");String name = countryEle.attributeValue("name");map.put(id, name);}}}} catch (Exception e) {e.printStackTrace();}return map;}public static void main(String[] args) {ParseXml parseXml = new ParseXml();Map<String,String> map = parseXml.read();for (Entry<String, String> entry: map.entrySet()) {    String key = entry.getKey();    String value = entry.getValue();    System.out.println(key+value);}}}

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