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import java.io.IOException;
import java.net.URL;
import java.util.Scanner;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class dataGet {
private static Scanner in;
public static void main(String[] args) throws IOException {
in = new Scanner(System.in);
System.out.println("請輸入想要查詢的省會城市天氣：");
String City = in.nextLine();
Wea(City);// 省會城市未來七天天氣
}
public static void Wea(String City) throws IOException {
String[] Cities = { "蘭州", "101160101", "西寧", "101150101", "西安", "101110101", "鄭州", "101180101", "濟(jì)南",
"101120101", "太原", "101100101", "合肥", "101220101", "長沙", "101250101", "武漢", "101200101", "南京",
"101190101", "貴陽", "101260101", "成都", "101270101", "昆明", "101290101", "臺北", "101340101", "長春",
"101060101", "沈陽", "101070101", "福州", "101230101", "杭州", "101210101", "南昌", "101240101", "廣州",
"101280101", "海口", "101310101", "哈爾濱", "101050101", "石家莊", "101090101", };//對應(yīng)城市編碼，參照 中國天氣網(wǎng)
Boolean tem=false;//判斷是否為省會城市
String keyword = new String();
for (int i = 0; i < 46; i += 2) {
if (Cities[i].equals(City)) {
keyword = Cities[i + 1];
tem=true;
break;
}
}
if (!tem) {
System.out.println("查無此城！");
return;
}
String url = "http://www.weather.com.cn/weather/" + keyword + ".shtml";
Document document = Jsoup.parse(new URL(url), 3000);
// 天氣獲取
Element element = document.getElementById("7d");
Elements elements = element.getElementsByTag("li");
for (Element el : elements) {
Elements date = el.getElementsByTag("h1");
String Date = City + "：" + date;
String weather = el.getElementsByClass("wea").eq(0).text();
String temperature = el.getElementsByClass("tem").eq(0).text();
String Weather = Date + weather + temperature;
if (Weather.length() > 5)
System.out.println(Weather);
}
}
}?? ?? ??: Java ?? ????
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