package com.chengshidaima.tools;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.InetSocketAddress;import java.net.Proxy;import java.net.URL;import java.net.URLConnection;import java.util.List;import org.dom4j.Document;import org.dom4j.DocumentHelper;import org.dom4j.Element;public class CityCode{   // private Logger log = Logger.getLogger(CityCode.class.getName());    public static void main(String[] args) {        try {            CityCode cc = new CityCode();            cc.getCityXml();            //System.out.println(doc.asXML());        } catch (Exception e) {            e.printStackTrace();        }    }    /**     * 解析     *      * @return     * @throws Exception     */    @SuppressWarnings("unchecked")    private Document getCityXml() throws Exception {        /** 新建一个doc 保存结果 */        Document docResult = DocumentHelper.createDocument();        Element addElementRoot = DocumentHelper.createElement("china");        String sUrlChina = "http://flash.weather.com.cn/wmaps/xml/china.xml";        String sChinaProvXml = getUrlString(sUrlChina);        Document doc = DocumentHelper.parseText(sChinaProvXml);        Element rootElt = doc.getRootElement(); // 获取根节点        //log.info("根节点：" + rootElt.getName()); // 拿到根节点的名称        /** 取得所有省份 */        List<Element> listProv = rootElt.elements("city"); // 获取根节点下的子节点        for (int i = 0; i < listProv.size(); i++) {            Element elementProv = listProv.get(i);            /** 省份名字 */            String sProvName = elementProv.attributeValue("pyName");            String sProvNameCN = elementProv.attributeValue("quName");            /** 添加节点 */            Element addElementProv = DocumentHelper.createElement("prov");            addElementProv.addAttribute("pyName", sProvName);            addElementProv.addAttribute("quName", sProvNameCN);            try {                //log.info("查询省份:" + sProvNameCN + " 下的城市!");                String sUrlProv = "http://flash.weather.com.cn/wmaps/xml/" + sProvName + ".xml";                String sProvXml = getUrlString(sUrlProv);                Document docProv = DocumentHelper.parseText(sProvXml);                Element rootEltProv = docProv.getRootElement(); // 获取省份下的跟节点                List<Element> listCity1 = rootEltProv.elements("city");                for (int j = 0; j < listCity1.size(); j++) {                    Element elementCity1 = listCity1.get(j);                    String sCityName1 = elementCity1.attributeValue("pyName");                    String sCityUrl1 = elementCity1.attributeValue("url");                    String sCityNameCN1 = elementCity1.attributeValue("cityname");                    System.out.println(sCityNameCN1 + ":" + sCityUrl1);                    Element addElementMainCity = DocumentHelper.createElement("city");                    addElementMainCity.addAttribute("pyName", sCityName1);                    addElementMainCity.addAttribute("quName", sCityNameCN1);                    addElementMainCity.addAttribute("url", sCityUrl1);                    try {                        String sUrlCity1 = "http://flash.weather.com.cn/wmaps/xml/" + sCityName1 + ".xml";                        //log.info("查询主要城市:" + sCityNameCN1 + " 下的城市!");                        String sCityXml = getUrlString(sUrlCity1);                        Document docCity1 = DocumentHelper.parseText(sCityXml);                        Element rootCity1 = docCity1.getRootElement();                        List<Element> listCity2 = rootCity1.elements("city");                        for (int k = 0; k < listCity2.size(); k++) {                            Element elementCity2 = listCity2.get(k);                            String sCityName2 = elementCity2.attributeValue("pyName");                            String sCityNameCN2 = elementCity2.attributeValue("cityname");                            String sCityUrl2 = elementCity2.attributeValue("url");                            if (!sCityUrl1.endsWith(sCityUrl2)) {                            	System.out.println(sCityNameCN2 + ":" + sCityUrl2);							}                            Element addElementCity2 = DocumentHelper.createElement("city2");                            addElementCity2.addAttribute("pyName", sCityName2);                            addElementCity2.addAttribute("quName", sCityNameCN2);                            addElementCity2.addAttribute("url", sCityUrl2);                            addElementMainCity.add(addElementCity2);                        }                    } catch (Exception e) {                       // log.info("查询主要城市:" + sCityNameCN1 + " 下的城市失败!");                    }                    addElementProv.add(addElementMainCity);                }            } catch (Exception e) {                //log.info("查询省份:" + sProvNameCN + "下的城市失败!");            }            addElementRoot.add(addElementProv);        }        docResult.setRootElement(addElementRoot);        return docResult;    }    /**     * 从url获取xml字符串     *      * @param sUrl     * @return     * @throws Exception     */    private String getUrlString(String sUrl) throws Exception {        String sResult = "";        StringBuffer sbResult = null;       // log.info("开始连接Url:" + sUrl);        sbResult = new StringBuffer();        URL url = new URL(sUrl);                // 创建代理服务器                    InetSocketAddress addr = new InetSocketAddress("10.128.6.3",808);                    Proxy proxy = new Proxy(Proxy.Type.HTTP, addr); // http 代理                 URLConnection con = url.openConnection(proxy);        BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));        String sLine = null;        while ((sLine = br.readLine()) != null) {            sbResult.append(sLine);        }        sResult = sbResult.toString();        //log.info("获取到信息:" + sbResult.toString().substring(0, 500));        if (sResult.contains("html")) {            String sInt = "null";            Integer.parseInt(sInt);        }        return sResult;    }}