fellon-wh / stories Goto Github PK

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**

• 1、打开主机

• 2、获取省份id

• 3、获取城市id

• 4、获取天气

• @author FeiLong
  *
  */
  public class WeatherUtil {

  private static String SERVICES_HOST = "www.webxml.com.cn";// 主机

  private static String WEATHER_SERVICES_URL = "http://ws.webxml.com.cn/WebServices/WeatherWS.asmx/";
  // 获得**省份、直辖市、地区和与之对应的ID
  private static String PROVINCE_CODE_URL = WEATHER_SERVICES_URL+ "getRegionProvince";
  // 获得支持的城市/地区名称和与之对应的ID
  //输入参数：theRegionCode = 省市、国家ID或名称，返回数据：一维字符串数组。
  private static String CITY_CODE_URL = WEATHER_SERVICES_URL+ "getSupportCityString?theRegionCode=";
  // 获取天气
  private static String WEATHER_QUERY_URL = WEATHER_SERVICES_URL+ "getWeather?theUserID=&theCityCode=";

  /**

  • 1、打开服务器主机

  • @param url

  • @return
    */
    public static InputStream getSoapInputStream(String url){
    InputStream inputStream = null;

    try {
    URL urlObj = new URL(url);
    URLConnection urlConn = urlObj.openConnection(); // 打开连接
    urlConn.setRequestProperty("Host", SERVICES_HOST); // 通过地址访问主机
    urlConn.connect();
    inputStream = urlConn.getInputStream();
    } catch (MalformedURLException e) {
    e.printStackTrace();
    } catch (IOException e){
    e.printStackTrace();
    }
    return inputStream;
    }

  /**

  • 获取省份编码

  • @param provinceName 省份的汉字

  • @return
    */
    public static int getProinceCode(String provinceName){

    Document document;
    int provinceCode = 0; // 省份的编码

    // 得到 DOM 解析器的工厂实例
    DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance();
    documentBF.setNamespaceAware(true);

    try {
    DocumentBuilder documentB = documentBF.newDocumentBuilder();// 从DOM工厂获得DOM解析器
    // 把要解析的xml 文档转化为输入流，以便dom解析器解析它
    InputStream inputSteam = getSoapInputStream(PROVINCE_CODE_URL);
    // 解析xml文档的输入流，得到一个 document
    document = documentB.parse(inputSteam);

    NodeList nodeList = document.getElementsByTagName("string"); // 解析xml文件里的标签
    
    int len = nodeList.getLength();
    
    for(int i=0;i<len;i++){
        Node n = nodeList.item(i);
        String result = n.getFirstChild().getNodeValue();
        String[] address = result.split(",");
        String pName = address[0];
        String pCode = address[1];
        if(provinceName.equals(pName)){
            provinceCode = Integer.parseInt(pCode);
        }
    }
    inputSteam.close();
    

    } catch (ParserConfigurationException e) {
    e.printStackTrace();
    } catch (SAXException e) {
    e.printStackTrace();
    } catch (IOException e) {
    e.printStackTrace();
    }

    return provinceCode;// 省份的id
    }

  /**

  • 获取市级 编码

  • @param provinceCode 省份的编码

  • @param cityName 城市中文名称

  • @return 城市的编号
    */
    public static int getCityCode(int provinceCode,String cityName){
    int cityCode = 0;

    Document doc;
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);

    try {
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputStream js = getSoapInputStream(CITY_CODE_URL+provinceCode);
    doc = db.parse(js);

    NodeList nl = doc.getElementsByTagName("string");
    int len = nl.getLength();
    for(int i=0;i<len;i++){
        Node n = nl.item(i);
        String result = n.getFirstChild().getNodeValue();
        String[] address = result.split(",");
        String cName =  address[0];
        String cCode = address[1];
    
        if(cName.equalsIgnoreCase(cityName)){
            cityCode  = Integer.parseInt(cCode);
        }
    }
    js.close();
    

    } catch (ParserConfigurationException e) {
    e.printStackTrace();
    } catch (SAXException e) {
    e.printStackTrace();
    } catch (IOException e) {
    e.printStackTrace();
    }

    return cityCode;
    }

  /**

  • 获取天气

  • @param cityCode

  • @return
    */
    public static List getWeather(int cityCode){

    List weatherList = new ArrayList();

    Document document;
    DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance();
    documentBF.setNamespaceAware(true);

    try {
    DocumentBuilder db = documentBF.newDocumentBuilder();

    InputStream inputStream = getSoapInputStream(WEATHER_QUERY_URL+cityCode);
    document = db.parse(inputStream);
    
    NodeList nl = document.getElementsByTagName("string");
    int len = nl.getLength();
    for(int i=0;i<len;i++){
        Node n = nl.item(i);
        String weather = n.getFirstChild().getNodeValue();
        weatherList.add(weather);
    }
    inputStream.close();
    

    } catch (ParserConfigurationException e) {
    e.printStackTrace();
    } catch (SAXException e) {
    e.printStackTrace();
    } catch (IOException e) {
    e.printStackTrace();
    }

    return weatherList;
    }

  public static void main(String[] args){
  // 获取省份id
  int provinceCode = getProinceCode("湖北");
  System.out.println("省份id:"+provinceCode);
  // 获取城市id
  int cityCode = getCityCode(provinceCode,"荆州");
  System.out.println("城市id:"+cityCode);

  List<String> list = getWeather(cityCode);
  for(String s : list){
      System.out.println(s);
  }
  

  }
  }