用Java模拟浏览器操作

package sky.dong.test;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;

public class HttpLoginTest {

  public static void main(String[] args) {
    String url =
      "http://discuzdemo.c88.53dns.com/logging.php?action=login&loginsubmit=yes&floatlogin=yes"; //论坛的登陆页面
    String url2 =
      "http://discuzdemo.c88.53dns.com/post.php?infloat=yes&action=newthread&fid=2&extra=&topicsubmit=yes&inajax=1"; //论坛的发贴页面
    HttpClient httpClient = new HttpClient();
    //httpClient.getHostConfiguration().setProxy("222.247.62.195", 8080);
    httpClient.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
    PostMethod postMethod = new PostMethod(url);
    PostMethod postMethod2 = new PostMethod(url2);
    NameValuePair[] data = {
      new NameValuePair("username", "123"),
      new NameValuePair("referer", "http://discuzdemo.c88.53dns.com/index.php"),
      new NameValuePair("password", "123"),
      new NameValuePair("loginfield", "username"),
      new NameValuePair("questionid", "0"),
      new NameValuePair("formhash", "fc922ca7"),
    };
    postMethod.setRequestHeader(
      "Referer",
      "http://discuzdemo.c88.53dns.com/index.php"
    );
    postMethod.setRequestHeader("Host", "discuzdemo.c88.53dns.com");
    // postMethod.setRequestHeader("Connection", "keep-alive");
    // postMethod.setRequestHeader("Cookie", "jbu_oldtopics=D123D;
    // jbu_fid2=1249912623; smile=1D1; jbu_onlineusernum=2;
    // jbu_sid=amveZM");
    postMethod.setRequestHeader(
      "User-Agent",
      "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2"
    );
    postMethod.setRequestHeader(
      "Accept",
      "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
    );
    // postMethod.setRequestHeader("Accept-Encoding", "gzip,deflate");
    // postMethod.setRequestHeader("Accept-Language", "zh-cn");
    // postMethod.setRequestHeader("Accept-Charset",
    // "GB2312,utf-8;q=0.7,*;q=0.7");
    postMethod.setRequestBody(data);
    try {
      httpClient.executeMethod(postMethod);
      StringBuffer response = new StringBuffer();
      BufferedReader reader = new BufferedReader(
        new InputStreamReader(postMethod.getResponseBodyAsStream(), "gb2312")
      ); //以gb2312编码方式打印从服务器端返回的请求
      String line;
      while ((line = reader.readLine()) != null) {
        response.append(line).append(System.getProperty("line.separator"));
      }
      reader.close();
      Header header = postMethod.getResponseHeader("Set-Cookie");
      Cookie[] cookies = httpClient.getState().getCookies(); //取出登陆成功后，服务器返回的cookies信息，里面保存了服务器端给的“临时证”
      String tmpcookies = "";
      for (Cookie c : cookies) {
        tmpcookies = tmpcookies + c.toString() + ";";
        System.out.println(c);
      }
      System.out.println(tmpcookies);
      //            System.out.println(header.getValue());
      System.out.println(response);
      NameValuePair[] data2 = {
        new NameValuePair("subject", "测试自动发贴"),
        new NameValuePair("message", "能否发贴成功呢？测试一下就知道了"),
        new NameValuePair("updateswfattach", "0"),
        new NameValuePair("wysiwyg", "0"),
        new NameValuePair("checkbox", "0"),
        new NameValuePair("handlekey", "newthread"),
        new NameValuePair("formhash", "885493ec"),
      };
      postMethod2.setRequestHeader("cookie", tmpcookies); //将“临时证明”放入下一次的发贴请求操作中
      postMethod2
        .getParams()
        .setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "gbk"); //因为发贴时候有中文，设置一下请求编码
      postMethod2.setRequestHeader(
        "Referer",
        "http://discuzdemo.c88.53dns.com/forumdisplay.php?fid=4"
      );
      postMethod2.setRequestHeader("Host", "discuzdemo.c88.53dns.com");
      // postMethod.setRequestHeader("Connection", "keep-alive");
      // postMethod.setRequestHeader("Cookie", "jbu_oldtopics=D123D;
      // jbu_fid2=1249912623; smile=1D1; jbu_onlineusernum=2;
      // jbu_sid=amveZM");
      postMethod2.setRequestHeader(
        "User-Agent",
        "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2"
      );
      postMethod2.setRequestHeader(
        "Accept",
        "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
      ); //以上操作是模拟浏览器的操作，使用服务器混淆
      postMethod2.setRequestBody(data2);
      httpClient.executeMethod(postMethod2);
      StringBuffer response1 = new StringBuffer();
      BufferedReader reader1 = new BufferedReader(
        new InputStreamReader(postMethod2.getResponseBodyAsStream(), "gb2312")
      );
      String line1;
      while ((line1 = reader1.readLine()) != null) {
        response1.append(line1).append(System.getProperty("line.separator"));
      }
      reader1.close();
      System.out.println(response1);
    } catch (Exception e) {
      System.out.println(e.getMessage());
      // TODO: handle exception
    } finally {
      postMethod.releaseConnection();
      postMethod2.releaseConnection();
    }
  }
}