实例介绍
【实例简介】这个是天气预报的源码，有需要的看一下哦
【实例截图】
【核心代码】
package com.example.weatherdemo;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.sql.Date;
import java.util.Iterator;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;
public class WeatherAdaptor {
public static String getWeather(String city){
String bufferStr = null;
try{
WeatherAdaptor.getWeatherData(city);
bufferStr = Weather.getSmsMsg();
//bufferStr = wu.readXML(xml,city);
}catch(Throwable e){
e.printStackTrace();
}
return bufferStr;
}
// private String getXMLCode(String city) throws UnsupportedEncodingException{
// // TODO Auto-generated method stub
// String requestUrl = "http://api.map.baidu.com/telematics/v3/weather?location="
// city "&output=xml&ak=A72e372de05e63c8740b2622d0ed8ab1";
// StringBuffer buffer = null;
// try{
// System.out.println(0);
// URL pathUrl = new URL(requestUrl); //创建一个URL对象
// System.out.println(1); HttpURLConnection urlConnect =
// (HttpURLConnection) pathUrl.openConnection(); //打开一个HttpURLConnection连接
// System.out.println(2);
// urlConnect.setConnectTimeout(3000); // 设置连接超时时间
// System.out.println(3);
// urlConnect.connect();
// System.out.println(4);
// InputStreamReader in = new InputStreamReader(urlConnect.getInputStream(),"utf-8"); //得到读取的内容
// System.out.println(5);
// BufferedReader reader = new BufferedReader(in); //为输出创建BufferedReader
// System.out.println(6);
// String inputLine = null;
// System.out.println(7);
// buffer = new StringBuffer();
// System.out.println(8);
// while (((inputLine = reader.readLine()) != null)){
// buffer.append(inputLine);
// }
// }catch(Exception e){
// e.printStackTrace();
// }
// System.out.println(buffer.toString());
// return buffer.toString();
// }
private static void getWeatherData(String city) throws IOException,Throwable{
String requestUrl = "http://api.map.baidu.com/telematics/v3/weather?location="
city "&output=xml&ak=A72e372de05e63c8740b2622d0ed8ab1";
// System.out.println(city);
// URL url=new URL(requestUrl);
// URLConnection connection=url.openConnection();
// connection.connect();
String result = request("POST",requestUrl);
InputStream streamTemp = new ByteArrayInputStream(result.getBytes());
// System.out.println(result "111111111111111111111111111111");
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser parser = factory.newPullParser();
parser.setInput(streamTemp,"UTF-8");
while(parser.next()!=XmlPullParser.END_DOCUMENT){
String element = parser.getName();
if(element != null && element.equals("weather_data")){
for(int dayCount = 0;dayCount<4; dayCount){
if(dayCount == 0){
Weather.city = city;
System.out.println(city);
}
while(parser.next()!=XmlPullParser.END_DOCUMENT){
element = parser.getName();
if((element != null)){
if (element.equals("date")) {
if(dayCount == 0)
Weather.current_date_time = parser.nextText();
else
Weather.day[dayCount-1].day_of_week = parser.nextText();
} else if (element.equals("dayPictureUrl")) {
if(dayCount == 0)
Weather.current_dayPictureUrl = parser.nextText();
else
Weather.day[dayCount-1].dayPictureUrl = parser.nextText();
} else if (element.equals("nightPictureUrl")) {
if(dayCount == 0)
Weather.current_nightPictureUrl = parser.nextText();
else
Weather.day[dayCount-1].nightPictureUrl = parser.nextText();
} else if (element.equals("weather")) {
if(dayCount == 0)
Weather.current_weather = parser.nextText();
else
Weather.day[dayCount-1].weather = parser.nextText();
} else if (element.equals("wind")) {
if(dayCount == 0)
Weather.current_wind = parser.nextText();
else
Weather.day[dayCount-1].wind = parser.nextText();
} else if (element.equals("temperature")) {
if(dayCount == 0)
Weather.current_temp = parser.nextText();
else
Weather.day[dayCount-1].temperature = parser.nextText();
break;
}
}
}
}
break;
}
}
}
private static String request(String method, String url) {
HttpResponse httpResponse = null;
StringBuffer result = new StringBuffer();
try {
if (method.equals("GET")) {
// 1.閫氳繃url鍒涘缓HttpGet瀵硅薄
HttpGet httpGet = new HttpGet(url);
// 2.閫氳繃DefaultClient鐨別xcute鏂规硶鎵ц杩斿洖涓€涓狧ttpResponse瀵硅薄
HttpClient httpClient = new DefaultHttpClient();
httpResponse = httpClient.execute(httpGet);
// 3.鍙栧緱鐩稿叧淇℃伅
// 鍙栧緱HttpEntiy
HttpEntity httpEntity = httpResponse.getEntity();
// 寰楀埌涓€浜涙暟鎹?
// 閫氳繃EntityUtils骞舵寚瀹氱紪鐮佹柟寮忓彇鍒拌繑鍥炵殑鏁版嵁
result.append(EntityUtils.toString(httpEntity, "utf-8"));
//寰楀埌StatusLine鎺ュ彛瀵硅薄
StatusLine statusLine = httpResponse.getStatusLine();
//寰楀埌鍗忚
;
result.append("鍗忚:" statusLine.getProtocolVersion() "\r\n");
int statusCode = statusLine.getStatusCode();
result.append("鐘舵€佺爜:" statusCode "\r\n");
} else if (method.equals("POST")) {
// 1.閫氳繃url鍒涘缓HttpGet瀵硅薄
HttpPost httpPost = new HttpPost(url);
// 2.閫氳繃DefaultClient鐨別xcute鏂规硶鎵ц杩斿洖涓€涓狧ttpResponse瀵硅薄
HttpClient httpClient = new DefaultHttpClient();
httpResponse = httpClient.execute(httpPost);
// 3.鍙栧緱鐩稿叧淇℃伅
// 鍙栧緱HttpEntiy
HttpEntity httpEntity = httpResponse.getEntity();
// 寰楀埌涓€浜涙暟鎹?
// 閫氳繃EntityUtils骞舵寚瀹氱紪鐮佹柟寮忓彇鍒拌繑鍥炵殑鏁版嵁
result.append(EntityUtils.toString(httpEntity, "utf-8"));
}
} catch (Exception e) {
e.printStackTrace();
}
return result.toString();
}
}
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