通过url地址抓取网页html代码
import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;public class URLUtil { public static String getHtml(String urlString) { try { StringBuffer html = new StringBuffer(); URL url = new URL(urlString); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); InputStreamReader isr = new InputStreamReader(conn.getInputStream()); BufferedReader br = new BufferedReader(isr); String temp; while ((temp = br.readLine()) != null) { html.append(temp).append("\n"); } br.close(); isr.close(); return html.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } public static void main(String[] args) { System.out.println(URLUtil.getHtml("http://www.fastunit.com")); }}