package cn.sdhzzl;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;//和網絡相關的操作import java.net.URL;import java.net.URLConnection;import java.util.regex.Matcher;import java.util.regex.Pattern;public class Test {public static void main(String[] args) throws IOException {//1.1 創建一個url對象URL url = new URL("http://m.survivalescaperooms.com/group/topic/8845032/"); //1.2 打開連接 URLConnection conn = url.openConnection(); //1.3 設置連接網絡超時時間 單位為毫秒conn.setConnectTimeout(1000 * 10); //1.4 通過流 操作讀取指定網絡地址中的文件 BufferedReader bufr = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line = null; //1.5 匹配email的正則String regex = "[a-zA-Z0-9_-]+@//w+//.[a-z]+(//.[a-z]+)?";//1.6 使用模式的compile()方法生成模式對象Pattern p = Pattern.compile(regex); //1. while((line = bufr.readLine()) != null) { Matcher m = p.matcher(line); while(m.find()) { System.out.println(m.group());// 獲得匹配的email } } }}