天气预报 正则获取指数信息 group(0)指数 group(1)概要 group(2)详细指数 代码

如果出现正则内容出现东西过多，再增加一个()，group一下

完全原创，呕心沥血呀

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("http://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>");//正则获取网页大致信息

			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>");//正则获取网页日出日落信息
	    	//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>");//正则获取网页大致信息

			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>");//正则获取网页日出日落信息
	    	//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>");//正则获取网页日出日落信息
	    	//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;
		}

	}
}

输出：

07:32
16:52
天气较好，您在出门的时候无须带雨伞。
            极不易发            
            良            
            易发            
            弱            
            寒冷            
            较不舒适            
            保湿            
            一般            
            较适宜            
            干燥            
            良好            
            一般            
            较不宜            
            较不宜            
            不宜            
            不适宜            
            较不适宜            
            较不宜            
            基本适宜            
            不带伞            
不带伞