java中根据url抓取html页面内容的方法
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.163.com"));}}
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