1.模拟浏览器获取http://www.51job.com的流
2.将获取的流用resp.writ() 写入到resp中
3.浏览器输入localhost:8080将会看到51job的界面。
public class ServletDem extends HttpServlet { @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { /* System.out.println(req.getContextPath()); System.out.println(req.getHeaderNames()); System.out.println(req.getHeader("Accept")); // System.out.println(req.getHeader(req.getQueryString())); System.out.println("req.getRemoteHost()"+req.getRemoteHost()); System.out.println("端口号"+req.getRemotePort()); System.out.println("URI"+req.getRequestURI()); */ Date date = new Date(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); resp.setCharacterEncoding("Unicode"); String s0 = new String(req.getRequestURL()); if(!s0.equals("http://detectportal.firefox.com/success.txt")){ System.out.println(df.format(date)+":get"); System.out.println(s0); } //获取51job html页面 HttpURLConnection hr = null; URL url = new URL("https://ai.baidu.com/"); hr = (HttpURLConnection) url.openConnection(); hr.setRequestProperty("accept", "*/*"); hr.setRequestProperty("connection", "Keep-Alive"); hr.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36"); hr.connect(); InputStream is = hr.getInputStream(); StringBuilder sb = new StringBuilder(); byte[] b =is.readAllBytes(); hr.disconnect(); is.close(); ServletOutputStream sos = resp.getOutputStream(); sos.write(b); } }