httpclient3+jsoup获取正方教务系统课表

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Scanner;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class Login {
 
 private static String host_url = "jwc.sju.js.cn";
 private static String login_url = "/default2.aspx";
 private static String code_url = "/CheckCode.aspx";
 private static String kb_url = "/xskb.aspx";
 private HttpClient client;
 private String viewstate = "";
 private String cookie = "";
 
 public Login() {
  init();
 }

 private void init() {
  client = new HttpClient();
  client.getParams().setHttpElementCharset("GBK");
  client.getHostConfiguration().setHost(host_url, 80, "http");
  GetMethod get = new GetMethod(login_url);
  get.addRequestHeader("Accept", "*/*");
  get.addRequestHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Shuame)");
  get.addRequestHeader("Accept-Encoding", "gzip, deflate");
  get.addRequestHeader("Host", "jwc.sju.js.cn");
  get.addRequestHeader("Connection", "Keep-Alive");
  int status = 0;
  try {
   status = client.executeMethod(get);
   viewstate = getViewState(get.getResponseBodyAsString());
  } catch (HttpException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  
  Cookie cookies[] =client.getState().getCookies(); //得到cookies  
  for(int i = 0; i < cookies.length; i++) {
   if(i == 0) {
    cookie = cookies[i].toString();
   }
   else {
    cookie += cookies[i] + ";";
   }
  }
  System.out.println(cookie);
  get.releaseConnection();
  get = new GetMethod(code_url);
  try {
   status = client.executeMethod(get);
   loadPic(get.getResponseBody());
  } catch (HttpException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  get.releaseConnection();
 }
 
 public void autoLogin(String xh,String pwd) {  //xh:学号 pwd:密码  
  PostMethod post = new PostMethod(login_url);
  
  post.setRequestHeader("Accept","application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
         post.setRequestHeader("Referer", "http://jwc.sju.js.cn/");
         post.setRequestHeader("Accept-Language","zh-CN");
         post.setRequestHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Shuame)");
         post.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
         post.setRequestHeader("Accept-Encoding", "gzip, deflate");
         post.setRequestHeader("Connection", "Keep-Alive");
         post.setRequestHeader("Cache-Control", "no-cache");
         
         String checkcode = "";
         Scanner sc = new Scanner(System.in);
         checkcode = sc.nextLine().trim();
         System.out.println(checkcode);
         
         String type = "学生";
         
         try {
   post.setRequestBody(new NameValuePair[]{
     new NameValuePair("__VIEWSTATE",viewstate),
     new NameValuePair("txtUserName",xh),
     new NameValuePair("textBox2",pwd),
     new NameValuePair("txtSecretCode",checkcode),
     new NameValuePair("RadioButtonList1",URLEncoder.encode(type, "GBK")),
     new NameValuePair("Button1",""),
     new NameValuePair("lbLanguage",""),
     new NameValuePair("hidPdrs",""),
     new NameValuePair("hidsc","")
   });
  } catch (IllegalArgumentException e) {
   e.printStackTrace();
  } catch (UnsupportedEncodingException e) {
   e.printStackTrace();
  }
         
         int status = 0;
         String content = "";
         try {
   status = client.executeMethod(post);
   content = post.getResponseBodyAsString();
   post.releaseConnection();
  } catch (HttpException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
         
         System.out.println(post);
 }

 public void catchKbData(String xh,String xq) {
  
  client = new HttpClient();
  client.getParams().setHttpElementCharset("GBK");
  client.getHostConfiguration().setHost(host_url, 80, "http");
  int status = 0;
         String content = "";
  
         //GET xs_main页面	
  String xs_mainUrl = "/xs_main.aspx?xh=" + xh;
  GetMethod get = new GetMethod(xs_mainUrl);
  get.setRequestHeader("Accept", "application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
  get.setRequestHeader("Referer", "http://jwc.scnu.edu.cn/");
  get.setRequestHeader("Accept-Language", "zh-CN");
  get.setRequestHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Shuame)");
  get.setRequestHeader("Accept-Encoding", "gzip, deflate");
  get.setRequestHeader("Connection", "Keep-Alive");
  get.setRequestHeader("Cache-Control", "no-cache");
  get.setRequestHeader("Cookie", cookie);
  try {
   status = client.executeMethod(get);
   content = get.getResponseBodyAsString();
   get.releaseConnection();
  } catch (HttpException e1) {
   e1.printStackTrace();
  } catch (IOException e1) {
   e1.printStackTrace();
  }
  System.out.println(content);
  //GET 查询页面
  get = new GetMethod(kb_url);
         get.setRequestHeader("Accept", "application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
         get.setRequestHeader("Connection", "Keep-Alive");
         get.setRequestHeader("Accept-Language","zh-CN");
         get.setRequestHeader("Host","jwc.sju.js.cn");
         get.setRequestHeader("Accept-Encoding","gzip, deflate");
         get.setRequestHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Shuame)");
         get.setRequestHeader("Cookie", cookie);
         

   get.setQueryString(new NameValuePair[] {
     new NameValuePair("xh",xh),
     new NameValuePair("xhxx",xh+xq)
   });

         
         try {
   client.executeMethod(get);
   content = get.getResponseBodyAsString();
   get.releaseConnection();
  } catch (HttpException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
         System.out.println(content);
         
 }

 private void loadPic(byte[] data) { //get.getResponseBody()获取验证码图片的字节信息，并写入output输出流中
  File file = new File("D:/code.png");//验证码图片存放位置
  FileOutputStream output;
  try {
   output = new FileOutputStream(file);
   output.write(data);
   output.close();
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }

 private String getViewState(String html) {    //获取VIEWSTATE字段
  Document doc = Jsoup.parse(html);
  String viewstate = "";
  viewstate = doc.select("input[name=__VIEWSTATE]").val();
  System.out.println("_VIEWSTATE= " + viewstate);
  return viewstate;
 }
 public static void main(String[] args) {
	Login login = new Login();
	//login.autoLogin("xxxxxxxx", "xxxxxx");
	//login.catchKbData("xxxxxxxx", "2014-20151");
}
}

 

                <dependency>
			<groupId>commons-httpclient</groupId>
			<artifactId>commons-httpclient</artifactId>
			<version>3.1</version>
		</dependency>
		<dependency>
			<groupId>org.jsoup</groupId>
			<artifactId>jsoup</artifactId>
			<version>1.8.1</version>
		</dependency>