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技術社區[雲棲]
天氣預報 正則獲取指數信息 group(0)指數 group(1)概要 group(2)詳細指數 代碼
如果出現正則內容出現東西過多，再增加一個()，group一下
完全原創，嘔心瀝血呀
package com.zzk.cn;
import java.awt.List;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class TestSun {
public static void main(String[] args) {
URL url = null;
URLConnection conn = null;
InputStream in = null;
InputStreamReader isr = null;
BufferedReader br = null;
try {
url = new URL("https://www.weather.com.cn/weather/101010100.shtml");
conn = url.openConnection();
in = conn.getInputStream();
isr = new InputStreamReader(in,"utf8");
br = new BufferedReader(isr);
String line = "";
String info="";
while (null != (line = br.readLine())) {
//System.out.println(line);
info+=line;
}
//System.out.println(info);
Pattern p=Pattern.compile("div\\sclass=.weatherTopright.*?</div>");//正則獲取網頁大致信息
Matcher m=p.matcher(info);
String s1="";
while(m.find()) {
s1=m.group();
//System.out.println(s1);
}
String s2="";
Pattern p1=Pattern.compile("bold;.>(\\d+):(\\d+)</strong>");//正則獲取網頁日出日落信息
//Pattern p1=Pattern.compile("<(/?\\s?br\\b)>");
Matcher m1=p1.matcher(s1);
//System.out.println(s1);
ArrayList<String> a = new ArrayList<String>();
while(m1.find()) {
//m1.group(1);
String s=m1.group(1);
String s0=m1.group(2);
String result = s+":"+s0;
a.add(result);
}
System.out.println(a.get(0));
System.out.println(a.get(1));
// System.out.println(a.get(2));
// System.out.println(a.get(3));
Pattern p2=Pattern.compile("div\\sclass=.todayLiving.*?</div>");//正則獲取網頁大致信息
Matcher n=p2.matcher(info);
String t1="";
while(n.find()) {
t1=n.group();
//System.out.println(t1);
}
String t2="";
Pattern p3=Pattern.compile("<blockquote>\\s(.*?)\\s</blockquote>");//正則獲取網頁日出日落信息
//Pattern p1=Pattern.compile("<(/?\\s?br\\b)>");
ArrayList<String> b = new ArrayList<String>();
Matcher n1=p3.matcher(t1);
while(n1.find()) {
t2=n1.group();
//System.out.println(n1.group());
String detail=t2;
b.add(detail);
}
String guoming=b.get(0).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String wuran=b.get(1).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String ganmao=b.get(2).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String ziwaixian=b.get(3).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String chuanyi=b.get(4).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String shushi=b.get(5).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String huazhuang=b.get(6).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String meifa=b.get(7).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String xiche=b.get(8).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String lukuang=b.get(9).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String jiaotong=b.get(10).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String lvyou=b.get(11).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String yundong=b.get(12).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String chenlian=b.get(13).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String diaoyu=b.get(14).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String huachuan=b.get(15).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String yuehui=b.get(16).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String guangjie=b.get(17).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String liangshai=b.get(18).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String yusan=b.get(19).replaceAll("<blockquote>", "").replaceAll("</blockquote>", "").replaceAll(" ", "");
String t3="";
Pattern p4=Pattern.compile("<dt>(.*?)</dt>.*?target=.*?blank.*?>(.*?)<b\\sclass=.*?>(.*?)</b>");//正則獲取網頁日出日落信息
//Pattern p1=Pattern.compile("<(/?\\s?br\\b)>");
ArrayList<String> c = new ArrayList<String>();
Matcher n2=p4.matcher(t1);
while(n2.find()) {
t3=n2.group(2);
System.out.println(n2.group(3));
String index=t3;
c.add(index);
}
String iguoming=c.get(0).replaceAll(" ", "");
String iwuran=c.get(1).replaceAll(" ", "");
String iganmao=c.get(2).replaceAll(" ", "");
String iziwaixian=c.get(3).replaceAll(" ", "");
String ichuanyi=c.get(4).replaceAll(" ", "");
String ishushi=c.get(5).replaceAll(" ", "");
String ihuazhuang=c.get(6).replaceAll(" ", "");
String imeifa=c.get(7).replaceAll(" ", "");
String ixiche=c.get(8).replaceAll(" ", "");
String ilukuang=c.get(9).replaceAll(" ", "");
String ijiaotong=c.get(10).replaceAll(" ", "");
String ilvyou=c.get(11).replaceAll(" ", "");
String iyundong=c.get(12).replaceAll(" ", "");
String ichenlian=c.get(13).replaceAll(" ", "");
String idiaoyu=c.get(14).replaceAll(" ", "");
String ihuachuan=c.get(15).replaceAll(" ", "");
String iyuehui=c.get(16).replaceAll(" ", "");
String iguangjie=c.get(17).replaceAll(" ", "");
String iliangshai=c.get(18).replaceAll(" ", "");
String iyusan=c.get(19).replaceAll(" ", "");
//System.out.println(iguoming);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (null != br) {
br.close();
}
} catch (IOException e) {
e.printStackTrace();
}
br = null;
try {
if (null != isr) {
isr.close();
}
} catch (IOException e) {
e.printStackTrace();
}
isr = null;
try {
if (null != in) {
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
in = null;
}
}
}
輸出：
07:32
16:52
天氣較好，您在出門的時候無須帶雨傘。
極不易發
良
易發
弱
寒冷
較不舒適
保濕
一般
較適宜
幹燥
良好
一般
較不宜
較不宜
不宜
不適宜
較不適宜
較不宜
基本適宜
不帶傘
不帶傘
最後更新：2017-04-02 06:52:16