webservice-显示天气情况

1.DateUtils

package webservice;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateUtils {
public static String getWeekOfDate(Date dt) {
String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
Calendar cal = Calendar.getInstance();
cal.setTime(dt);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (w < 0)
w = 0;
return weekDays[w];
}

public static String getYear() {
Calendar calendar = Calendar.getInstance();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
String time = format.format(calendar.getTime());
return time;
}
}

2.weather

package webservice;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

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

import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
//http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx
public class weather {
private static String SERVICES_HOST = "www.webxml.com.cn";

private static String WEATHER_SERVICES_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/";

private static String WEATHER_QUERY_URL = WEATHER_SERVICES_URL
+ "getWeather?theUserID=&theCityCode=";

/**
* 城市代码 / 镇江: 1954
*/
private static int CITICODE = 1954;

public static void main(String[] args) throws Exception {
// String desc = "今天是" + DateUtils.getYear() + ","
// + DateUtils.getWeekOfDate(new Date());
String desc = DateUtils.getWeekOfDate(new Date());
desc += new weather().getWeatherStr();
System.out.println(desc);
}

public InputStream getSoapInputStream(String url) {
InputStream inputStream = null;
try {
URL urlObj = new URL(url);
URLConnection urlConn = urlObj.openConnection();
urlConn.setRequestProperty("Host", SERVICES_HOST); // 具体webService相关
urlConn.connect();
inputStream = urlConn.getInputStream();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return inputStream;
}

public String getWeatherStr() {
String desc = "";
try {
List<String> weatherList = getWeather(CITICODE);

if (weatherList != null && weatherList.size() > 7) {
String tianqi = weatherList.get(7);
if (tianqi.contains("日")) {
tianqi = tianqi.substring(tianqi.indexOf("日") + 1);
}
String wendu = weatherList.get(8);
//
desc += weatherList.get(0)+",";
desc += weatherList.get(3);


desc += ",天气" + tianqi;
desc += " ,";
desc += wendu.replace("℃", "度").replace("/", "--");
}
} catch (Exception e) {
e.printStackTrace();
return desc;
}
return desc;
}

public List<String> getWeather(int cityCode) {
List<String> weatherList = new ArrayList<String>();
Document document;
DocumentBuilderFactory documentBF = DocumentBuilderFactory
.newInstance();
documentBF.setNamespaceAware(true);
try {
DocumentBuilder documentB = documentBF.newDocumentBuilder();
InputStream inputStream = getSoapInputStream(WEATHER_QUERY_URL
+ cityCode);
document = documentB.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 (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (DOMException e) {
e.printStackTrace();
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return weatherList;
}

}