获得到未来6天的天气

package dsm.gxxs.controller;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sf.json.JSONObject;

import com.gdtopway.right.dao.impl.RightBasePerssionDAO;
/**
* 得到未来6天的天气(含今天)
* @author YE
*
*/
public class Weather extends RightBasePerssionDAO<Object, String> {
String Ctiyid;
URLConnection connectionData;
StringBuilder sb;
BufferedReader br;// 读取data数据流
JSONObject jsonData;
JSONObject info;

public Weather(String Cityid)  throws IOException ,NullPointerException{
// 解析本机ip地址

this.Ctiyid = Cityid;
// 连接中央气象台的API
URL url = new URL("http://m.weather.com.cn/atad/" + Ctiyid + ".html");
connectionData = url.openConnection();
connectionData.setConnectTimeout(1000);
try {
br = new BufferedReader(new InputStreamReader(
connectionData.getInputStream(), "UTF-8"));
sb = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null)
sb.append(line);
} catch (SocketTimeoutException e) {
System.out.println("连接超时");
} catch (FileNotFoundException e) {
System.out.println("加载文件出错");
}
String datas = sb.toString();

jsonData = JSONObject.fromObject(datas);
System.out.println(jsonData.toString());
info = jsonData.getJSONObject("weatherinfo");

//得到1到6天的天气情况
List<Map<String,Object>> list = new ArrayList<Map<String,Object>>();
for(int i=1;i<=1;i++){
//得到未来6天的日期
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DAY_OF_YEAR, i-1);
Date date = cal.getTime();
SimpleDateFormat sf = new SimpleDateFormat("yyyy年MM月dd日");

Map<String,Object> map = new HashMap<String, Object>();
map.put("city", info.getString("city").toString());//城市
map.put("date_y", sf.format(date));//日期
//    map.put("week", getWeek(cal.get(Calendar.DAY_OF_WEEK)));//星期
map.put("fchh", info.getString("fchh").toString());//发布时间
map.put("weather", info.getString("weather"+i).toString());//天气
map.put("temp", info.getString("temp"+i).toString());//温度
map.put("wind", info.getString("wind"+i).toString());//风况
map.put("fl", info.getString("fl"+i).toString());//风速
map.put("index", info.getString("index").toString());// 今天的穿衣指数
map.put("index_uv", info.getString("index_uv").toString());// 紫外指数
map.put("index_tr", info.getString("index_tr").toString());// 旅游指数
map.put("index_co", info.getString("index_co").toString());// 舒适指数
map.put("index_cl", info.getString("index_cl").toString());// 晨练指数
map.put("index_xc", info.getString("index_xc").toString());//洗车指数
map.put("index_d", info.getString("index_d").toString());//天气详细穿衣指数
list.add(map);
}
//控制台打印出天气
String temp = ""; //温度范围
String maxtemp = "";//最高温度
String mintemp = "";//最低温度
for(int j=0;j<list.size();j++){
Map<String,Object> wMap = list.get(j);
System.out.println(wMap.get("city")+"\t"+wMap.get("date_y")+"\t"/*+wMap.get("week")+"\t"*/
+wMap.get("weather")+"\t"+wMap.get("temp")+"\t"+wMap.get("index_uv"));
temp = wMap.get("temp")+"";
}
String []arr = temp.split("~");
for(int i=0;i<arr.length;i++){
maxtemp = arr[0];
mintemp = arr[1];
}

System.out.println("最高温度："+maxtemp+"          最低温度："+mintemp);

}
/* private String getWeek(int iw){
String weekStr = "";
switch (iw) {
case 1:weekStr = "星期天";break;
case 2:weekStr = "星期一";break;
case 3:weekStr = "星期二";break;
case 4:weekStr = "星期三";break;
case 5:weekStr = "星期四";break;
case 6:weekStr = "星期五";break;
case 7:weekStr = "星期六";break;
default:
break;
}
return weekStr;
}*/
public static void main(String[] args) {

try {
new Weather("101280101"); // 101280101(广州)就是你的城市代码

} catch (Exception e) {
e.printStackTrace();
}

}

}