Java模拟登录正方教务抓取成绩、课表、空教室

package com.ican.yueban.jwgl; import java.io.IOException; import java.io.InputStream;import java.util.ArrayList;import java.util.List;import java.util.Scanner; import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;import org.jsoup.Jsoup;import org.jsoup.nodes.Document;import org.jsoup.select.Elements; import com.ican.yueban.utils.DateUtils;import com.ican.yueban.utils.GlobalConstant;import com.ican.yueban.utils.IOUtils;import com.ican.yueban.utils.ParseUtils; public class Jwgl {  private static String stuNumber = "";  private static String stuName = "";  private static String Cookie = "";  private String indexUrl = GlobalConstant.INDEX_URL;  private String secretCodeUrl = GlobalConstant.SECRETCODE_URL;  private String loginUrl = GlobalConstant.LOGIN_URL;  private String mainUrl = GlobalConstant.MAIN_URL;  private String queryClassroomUrl = GlobalConstant.QUERY_CLASSROOM_URL;  private String queryClassroomGnmkdm = GlobalConstant.QUERY_CLASSROOM_GNMKDM;  private String queryStuGradeUrl = GlobalConstant.QUERY_STU_GRADE_URL;  private String queryStuGradeGnmkd = GlobalConstant.QUERY_STU_GRADE_GNMKDM;  private String queryStuCourseUrl = GlobalConstant.QUERY_STU_COURSE_URL;  private String queryStuCourseGnmkd = GlobalConstant.QUERY_STU_COURSE_GNMKDM;  private String xixiaoqu = GlobalConstant.XIXIAOQU;  private String identityStu = GlobalConstant.IDENTITY_STU;   /**   * 登录功能   *    * @param stuNumber   * @param password   * @return   * @throws Exception   * @throws UnsupportedOperationException   */  public boolean login(String stuNumber, String password)      throws UnsupportedOperationException, Exception {    this.stuNumber = stuNumber;    // 获取验证码    HttpGet secretCodeGet = new HttpGet(secretCodeUrl);    CloseableHttpClient client = HttpClients.createDefault();    CloseableHttpResponse responseSecret = client.execute(secretCodeGet);    // 获取返回的Cookie    Cookie = responseSecret.getFirstHeader("Set-Cookie").getValue();    String viewState = IOUtils.getViewState(indexUrl, "", "");    // 将验证码下载到C盘    IOUtils.getSecret(responseSecret.getEntity().getContent(),        "secretCode.png", "c://");    Scanner sc = new Scanner(System.in);    System.out.println("请输入验证码：");    // 手动填充刚才获取的验证码的值    String secret = sc.next().trim();    HttpPost loginPost = new HttpPost(loginUrl);// 创建登录的Post请求    loginPost.setHeader("Cookie", Cookie);// 带上第一次请求的Cookie    List<NameValuePair> nameValuePairLogin = new ArrayList<NameValuePair>();// 封装Post提交参数    nameValuePairLogin        .add(new BasicNameValuePair("__VIEWSTATE", viewState));// 隐藏表单值    nameValuePairLogin        .add(new BasicNameValuePair("txtUserName", stuNumber));// 学号    nameValuePairLogin.add(new BasicNameValuePair("TextBox2", password));// 密码    nameValuePairLogin.add(new BasicNameValuePair("txtSecretCode", secret));// 验证码    nameValuePairLogin.add(new BasicNameValuePair("RadioButtonList1",        identityStu));// 身份,默认学生    nameValuePairLogin.add(new BasicNameValuePair("Button1", ""));    nameValuePairLogin.add(new BasicNameValuePair("lbLanguage", ""));    nameValuePairLogin.add(new BasicNameValuePair("hidPdrs", ""));    nameValuePairLogin.add(new BasicNameValuePair("hidsc", ""));    UrlEncodedFormEntity entity = new UrlEncodedFormEntity(        nameValuePairLogin, "GB2312");    loginPost.setEntity(entity);    HttpResponse responseLogin = client.execute(loginPost);    // client1.close();    // 第三步:判断提交数据是否成功，成功返回302    if (responseLogin.getStatusLine().getStatusCode() == 302) {      // 如果提交成功，带着Cookie请求重定向的main页面，并获取学生姓名      HttpGet mainGet = new HttpGet(mainUrl + stuNumber);      mainGet.setHeader("Cookie", Cookie);      mainGet.setHeader("Referer", loginUrl);      HttpResponse responseMain = client.execute(mainGet);      InputStream is = responseMain.getEntity().getContent();      String html = "";      try {        html = IOUtils.getHtml(is, "GB2312");      } catch (Exception e) {        System.out.println("解析html失败！");        e.printStackTrace();      }      stuName = Jsoup.parse(html).getElementById("xhxm").text();      System.out.println("登录成功！欢迎您：" + stuName);      client.close();      return true;    } else {      System.out.println("登录失败！");      client.close();      return false;    }   }   /**   * 查询空教室   *    * @throws Exception   *    * @throws Exception   */  public void queryClassroom(String xiaoqu, String xqj, String sjd)      throws Exception {     CloseableHttpClient client = HttpClients.createDefault();    String newQueryClassrommUrl = queryClassroomUrl + stuNumber + "&xm="        + stuName + queryClassroomGnmkdm;// 拼接请求的Url    String parseSjd = ParseUtils.parseWeek(sjd);// 解析当前节次对应的字符串    String nowWeek = DateUtils.getWeek() + "";// 获取当前时间是第几周    String viewState = IOUtils.getViewState(newQueryClassrommUrl, Cookie,        mainUrl + stuNumber);    // 封装查询空教室请求参数    List<NameValuePair> queryClassroomPair = new ArrayList<NameValuePair>();    queryClassroomPair.add(new BasicNameValuePair("__EVENTTARGET", ""));    queryClassroomPair.add(new BasicNameValuePair("__EVENTARGUMENT", ""));    queryClassroomPair        .add(new BasicNameValuePair("__VIEWSTATE", viewState));    queryClassroomPair.add(new BasicNameValuePair("xiaoq", xiaoqu));// 校区类型，默认西校区    queryClassroomPair.add(new BasicNameValuePair("jslb", ""));// 教室类别，默认为空    queryClassroomPair.add(new BasicNameValuePair("min_zws", "0"));// 最小座位数，默认为0    queryClassroomPair.add(new BasicNameValuePair("max_zws", ""));// 最大座位数，默认为空    queryClassroomPair.add(new BasicNameValuePair("ddlKsz", nowWeek));// 起始周，默认当前周    queryClassroomPair.add(new BasicNameValuePair("ddlJsz", nowWeek));// 结束周，默认当前周    queryClassroomPair.add(new BasicNameValuePair("xqj", xqj));// 星期几,默认当天    queryClassroomPair.add(new BasicNameValuePair("ddlDsz", ""));// 单双周，默认    queryClassroomPair.add(new BasicNameValuePair("sjd", parseSjd));// 第几节    queryClassroomPair.add(new BasicNameValuePair("Button2", "空教室查询"));    queryClassroomPair.add(new BasicNameValuePair("xn", "2015-2016"));    queryClassroomPair.add(new BasicNameValuePair("xq", "2"));    queryClassroomPair.add(new BasicNameValuePair("ddlSyXn", "2015-2016"));    queryClassroomPair.add(new BasicNameValuePair("ddlSyxq", "2"));    UrlEncodedFormEntity entityClassroom = new UrlEncodedFormEntity(        queryClassroomPair);     HttpPost queryClassroomPost = new HttpPost(newQueryClassrommUrl);    // newQueryClassrommUrl示例:http://jwgl2.ujn.edu.cn/xxjsjy.aspx?xh=20121214104&xm=XXX&gnmkdm=N121611    queryClassroomPost.setEntity(entityClassroom);    queryClassroomPost.setHeader("Referer", mainUrl + stuNumber);// 设置头信息    queryClassroomPost.setHeader("Cookie", Cookie);    HttpResponse responseClassroom = client.execute(queryClassroomPost);    InputStream is = responseClassroom.getEntity().getContent();    String html = IOUtils.getHtml(is, "GB2312");    Document doc = Jsoup.parse(html);    Elements eleClassroom = doc.select("td");    Elements eleInfo = doc.select("#lblbt");    System.out.println(eleInfo.get(0).text());    for (int i = 0; i < eleClassroom.size(); i++) {      // 只打印教室名称      if (i % 8 == 1) {        System.out.println(eleClassroom.get(i).text());      }    }    client.close();  }   /**   * 重载查询空教室方法，默认时间，课程节次的无参数查询方法   *    * @throws IOException   * @throws ClientProtocolException   */  public void queryClassroom() throws ClientProtocolException, IOException,      Exception {    String weekDay = DateUtils.getWeekDay() + "";// 获取当前时间是星期几    String sdj = DateUtils.getNowCourse() + "";// 获取当前时间是第几节课    new Jwgl().queryClassroom(xixiaoqu, weekDay, sdj);  }   /**   * 查询个人成绩方法   *    * @throws ClientProtocolException   * @throws IOException   */  public void queryStuGrade(String xn, String xq)      throws ClientProtocolException, IOException {    CloseableHttpClient client = HttpClients.createDefault();    String newQueryStuGradeUrl = queryStuGradeUrl + stuNumber + "&xm="        + stuName + queryStuGradeGnmkd;    HttpPost queryGradePost = new HttpPost(newQueryStuGradeUrl);    String viewState = IOUtils.getViewState(newQueryStuGradeUrl, Cookie,        mainUrl + stuNumber);    // 封装请求参数    List<NameValuePair> queryGradePair = new ArrayList<NameValuePair>();    queryGradePair.add(new BasicNameValuePair("__EVENTTARGET", ""));    queryGradePair.add(new BasicNameValuePair("__EVENTARGUMENT", ""));    queryGradePair.add(new BasicNameValuePair("__VIEWSTATE", viewState));    queryGradePair.add(new BasicNameValuePair("hidLanguage", ""));    queryGradePair.add(new BasicNameValuePair("ddlXN", xn));// 学年    queryGradePair.add(new BasicNameValuePair("ddlXQ", xq));// 学期    queryGradePair.add(new BasicNameValuePair("ddl_kcxz", ""));    queryGradePair.add(new BasicNameValuePair("btn_xq", "学期成绩"));    queryGradePost.setHeader("Cookie", Cookie);    queryGradePost.setHeader("Referer", mainUrl + stuNumber);    UrlEncodedFormEntity entityGrade = new UrlEncodedFormEntity(        queryGradePair);    queryGradePost.setEntity(entityGrade);    HttpResponse responQueryGradePost = client.execute(queryGradePost);     String gradeHtml = IOUtils.getHtml(responQueryGradePost.getEntity()        .getContent(), "GB2312");    // System.out.println(gradeHtml);    Document gradeDoc = Jsoup.parse(gradeHtml);    Elements eleGrade = gradeDoc.select("td");    // 按需求解析html<td>标签内容并输出    for (int i = 0; i < 7; i++) {      System.out.println(eleGrade.get(i).text());    }     for (int i = 11; i < eleGrade.size(); i = i + 10) {      if (i + 15 < eleGrade.size()) {        System.out.print(eleGrade.get(i).text() + "       ");        i = i + 5;        System.out.print(eleGrade.get(i).text());        System.out.println();      }      client.close();     }   }   /**   * 查询个人课表方法   *    * @param xnd   * @param xqd   * @throws ClientProtocolException   * @throws IOException   */  public void queryStuCourse(String xnd, String xqd)      throws ClientProtocolException, IOException {    CloseableHttpClient client = HttpClients.createDefault();    String newQueryStuCourseUrl = queryStuCourseUrl + stuNumber + "&xm="        + stuName + queryStuCourseGnmkd;    String viewState = IOUtils.getViewState(newQueryStuCourseUrl, Cookie,        mainUrl + stuNumber);    HttpPost queryStuCoursePost = new HttpPost(newQueryStuCourseUrl);    List<NameValuePair> stuCoursePair = new ArrayList<NameValuePair>();    stuCoursePair.add(new BasicNameValuePair("__EVENTTARGET", "xqd"));    stuCoursePair.add(new BasicNameValuePair("__EVENTARGUMENT", ""));    stuCoursePair.add(new BasicNameValuePair("__VIEWSTATE", viewState));    stuCoursePair.add(new BasicNameValuePair("xnd", xnd));    stuCoursePair.add(new BasicNameValuePair("xqd", xqd));    UrlEncodedFormEntity entitySource = new UrlEncodedFormEntity(        stuCoursePair);    queryStuCoursePost.setEntity(entitySource);    queryStuCoursePost.setHeader("Cookie", Cookie);    queryStuCoursePost.setHeader("Referer", mainUrl + stuNumber);    HttpResponse responseStuCourse = client.execute(queryStuCoursePost);    String html = IOUtils.getHtml(responseStuCourse.getEntity()        .getContent(), "GB2312");    Document docCourse = Jsoup.parse(html);    Elements eleCourse = docCourse.select("td");    for (int i = 2; i < eleCourse.size(); i++) {      System.out.print(eleCourse.get(i).text() + "  ");      if (i % 9 == 0) {        System.out.println();      }    }  }   public static void main(String[] args) {    Jwgl jw = new Jwgl();    try {      jw.login("这里是学号", "这里是密码");      System.out.println("查询成绩测试-------");      jw.queryStuGrade("2015-2016", "1");      // 查询西校区，周一，第12节空教室测试。      // jw.queryClassroom("1", "1", "2");      System.out.println("查询空教室测试------");      jw.queryClassroom();      System.out.println("查询个人课表测试-------");      jw.queryStuCourse("2014-2015", "1");    } catch (ClientProtocolException e) {      e.printStackTrace();    } catch (IOException e) {      e.printStackTrace();    } catch (Exception e) {      e.printStackTrace();    }    //QQ:451209214  } }

package com.ican.yueban.utils; import java.text.ParseException; import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date; public class DateUtils {  private static String startDay = GlobalConstant.START_DAY;// 开学日期  private static String endDay = GlobalConstant.END_DAY;// 放假日期   /**   * 获取当前时间是第几节课，只限8-16点之间,其他时间默认1，2节课。   *    * @return   */  public static int getNowCourse() {    SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss");// 设置日期格式    String nowDate = df.format(new Date());    if (nowDate.startsWith("08") || nowDate.startsWith("09")) {      return 1;// 12节课。    } else if (nowDate.startsWith("10") || nowDate.startsWith("11")) {      return 2;// 34节课，以此类推。    } else if (nowDate.startsWith("12") || nowDate.startsWith("13")        || nowDate.startsWith("14")) {      return 3;    } else if (nowDate.startsWith("15") || nowDate.startsWith("16")) {      return 4;    } else {      return 1;    }  }   /**   * 获取当前时间是第几周   *    * @return   */  public static int getWeek() {    int days = 0;    int nowWeek = 0;    try {      SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");// 设置日期格式      String nowDate = df.format(new Date());      int nowDaysBetween = daysBetween(startDay, nowDate) + 1;      days = daysBetween(startDay, endDay);      int x = nowDaysBetween % 7;      if (x == 0) {        nowWeek = nowDaysBetween / 7;      } else {        nowWeek = nowDaysBetween / 7 + 1;      }     } catch (ParseException e) {      System.out.println("输入的日期不合法，解析日期失败");      e.printStackTrace();    }    return nowWeek;  }   /**   * 获取当前时间是星期几   *    * @return   */  public static int getWeekDay() {    Calendar cal = Calendar.getInstance();    cal.setTime(new Date());    if (cal.get(Calendar.DAY_OF_WEEK) - 1 == 0) {      return 7;    }    return cal.get(Calendar.DAY_OF_WEEK) - 1;  }   /**   * 计算两个String类型日期之间的天数   *    * @param startDay   * @param endDay   * @return   * @throws ParseException   */  public static int daysBetween(String startDay, String endDay)      throws ParseException {    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");    Calendar cal = Calendar.getInstance();    cal.setTime(sdf.parse(startDay));    long time1 = cal.getTimeInMillis();    cal.setTime(sdf.parse(endDay));    long time2 = cal.getTimeInMillis();    long between_days = (time2 - time1) / (1000 * 3600 * 24);     return Integer.parseInt(String.valueOf(between_days));  }   /**   * 以yyyy-MM-dd HH:mm:ss格式返回String类型系统时间   *    * @return   */  public static String getNowDate() {    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 设置日期格式    return df.format(new Date());  } }

package com.ican.yueban.utils; /** * 本系统所有常量定义 *  * @author 宋开宗 *  */public interface GlobalConstant {  public static final String START_DAY = "2016-02-29";  public static final String END_DAY = "2016-07-10";  public static final String INDEX_URL = "http://jwgl2.ujn.edu.cn";// 济大教务系统首页  public static final String SECRETCODE_URL = "http://jwgl2.ujn.edu.cn/CheckCode.aspx";// 验证码页面  public static final String LOGIN_URL = "http://jwgl2.ujn.edu.cn/default2.aspx";// 济大教务系统登录页  public static final String MAIN_URL = "http://jwgl2.ujn.edu.cn/xs_main.aspx?xh=";// 济大教务系统主页，菜单页面  public static final String QUERY_CLASSROOM_URL = "http://jwgl2.ujn.edu.cn/xxjsjy.aspx?xh=";// 济大查询空教室链接  public static final String QUERY_CLASSROOM_GNMKDM = "&gnmkdm=N121611";// 济大查询空教室gnmkdm  public static final String QUERY_STU_COURSE_URL = "http://jwgl2.ujn.edu.cn/xskbcx.aspx?xh=";// 济大查询个人课表链接  public static final String QUERY_STU_COURSE_GNMKDM = "&gnmkdm=N121603";// 济大查询个人课表gnmkdm  public static final String QUERY_STU_GRADE_URL = "http://jwgl2.ujn.edu.cn/xscjcx.aspx?xh=";// 济大查询个人成绩链接  public static final String QUERY_STU_GRADE_GNMKDM = "&gnmkdm=N121605";// 济大查询个人成绩gnmkdm  public static final String IDENTITY_STU = "学生";// 身份：学生  public static final String XIXIAOQU = "1";// 济大西校区标志  public static final String DONGXIAOQU = "2";// 济大东校区标志  public static final String ZHANGQIUXIAOQU = "3";// 济大章丘校区标志  public static final String CLASS1 = "'1'|'1','0','0','0','0','0','0','0','0'";// 1，2节  public static final String CLASS2 = "'2'|'0','3','0','0','0','0','0','0','0'";// 3，4节  public static final String CLASS3 = "'3'|'0','0','5','0','0','0','0','0','0'";// 5，6节  public static final String CLASS4 = "'4'|'0','0','0','7','0','0','0','0','0'";// 7，8节  public static final String CLASS5 = "'5'|'0','0','0','0','9','0','0','0','0'";// 8，10节  public static final String CLASS6 = "'6'|'0','0','0','0','0','11','0','0','0'";// 11，12节  public static final String CLASS7 = "'7'|'1','3','0','0','0','0','0','0','0'";// 上午  public static final String CLASS8 = "'8'|'0','0','5','7','0','0','0','0','0'";// 下午  public static final String CLASS9 = "'9'|'1','3','5','7','0','0','0','0','0'";// 白天  public static final String CLASS10 = "'10'|'0','0','0','0','9','11','0','0','0'";// 晚上  public static final String CLASS11 = "'11'|'1','3','5','7','9','11','0','0','0'";// 全天  public static final String BTN_XUEQI = "btn_xq";// 学期成绩  public static final String BTN_XUENIAN = "btn_xn";// 学年成绩  public static final String BTN_LINIAN = "btn_zcj";// 历年成绩  public static final String UNIVERSITY_CODE_UJN = "00001";// 济南大学标识代码  public static final String USER_STATE_N = "1";// 未认证  public static final String USER_STATE_Y = "2";// 认证通过  public static final String COMMENT_TYPE_NEWTHINGS = "1";// 评论类型1：新鲜事  public static final String COMMENT_TYPE_INTEREST = "2";// 评论类型2：兴趣活动}

package com.ican.yueban.utils; import java.awt.Rectangle;import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.URL;import java.net.URLConnection;import java.util.Iterator; import javax.imageio.ImageIO;import javax.imageio.ImageReadParam;import javax.imageio.ImageReader;import javax.imageio.stream.ImageInputStream; import org.apache.http.client.ClientProtocolException;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.jsoup.Jsoup; public class IOUtils {  /**   * 指定编码格式 ，把输入流转化为字符串   *    * @param is   * @return   * @throws IOException   */  public static String getHtml(InputStream is, String encoding)      throws IOException {    ByteArrayOutputStream bos = new ByteArrayOutputStream();    byte[] buffer = new byte[1024];    int len = 0;    while ((len = is.read(buffer)) != -1) {      bos.write(buffer, 0, len);    }    is.close();    return new String(bos.toByteArray(), encoding);  }   /**   * 下载图片   *    * @param urlString   * @param filename   * @param savePath   * @throws Exception   */  public static void download(String urlString, String filename,      String savePath) throws Exception {    // 构造URL    URL url = new URL(urlString);    // 打开连接    URLConnection con = url.openConnection();    // 设置请求超时为5s    con.setConnectTimeout(5 * 1000);    // 输入流    InputStream is = con.getInputStream();     // 1K的数据缓冲    byte[] bs = new byte[1024];    // 读取到的数据长度    int len;    // 输出的文件流    File sf = new File(savePath);    if (!sf.exists()) {      sf.mkdirs();    }    OutputStream os = new FileOutputStream(sf.getPath() + "//" + filename);    // 开始读取    while ((len = is.read(bs)) != -1) {      os.write(bs, 0, len);    }    // 完毕，关闭所有链接    os.close();    is.close();  }   /**   * 图片裁剪工具类   *    * @param src   * @param dest   * @param x   * @param y   * @param w   * @param h   * @throws IOException   */  public static void cutImage(String src, String dest, int x, int y, int w,      int h) throws IOException {    Iterator iterator = ImageIO.getImageReadersByFormatName("jpg");    ImageReader reader = (ImageReader) iterator.next();    InputStream in = new FileInputStream(src);    ImageInputStream iis = ImageIO.createImageInputStream(in);    reader.setInput(iis, true);    ImageReadParam param = reader.getDefaultReadParam();    Rectangle rect = new Rectangle(x, y, w, h);    param.setSourceRegion(rect);    BufferedImage bi = reader.read(0, param);    ImageIO.write(bi, "jpg", new File(dest));    in.close();   }   /**   * 判断字符编码集   *    * @param str   * @return   */  public static String getEncoding(String str) {    String encode = "GB2312";    try {      if (str.equals(new String(str.getBytes(encode), encode))) {        String s = encode;        return s;      }    } catch (Exception exception) {    }    encode = "ISO-8859-1";    try {      if (str.equals(new String(str.getBytes(encode), encode))) {        String s1 = encode;        return s1;      }    } catch (Exception exception1) {    }    encode = "UTF-8";    try {      if (str.equals(new String(str.getBytes(encode), encode))) {        String s2 = encode;        return s2;      }    } catch (Exception exception2) {    }    encode = "GBK";    try {      if (str.equals(new String(str.getBytes(encode), encode))) {        String s3 = encode;        return s3;      }    } catch (Exception exception3) {    }    return "未知";  }   /**   * 把输入流转换成图片---》获取验证码   *    * @param is   * @param filename   * @param savePath   * @throws Exception   */  public static void getSecret(InputStream is, String filename,      String savePath) throws Exception {    // 1K的数据缓冲    byte[] bs = new byte[1024];    // 读取到的数据长度    int len;    // 输出的文件流    File sf = new File(savePath);    if (!sf.exists()) {      sf.mkdirs();    }    OutputStream os = new FileOutputStream(sf.getPath() + "//" + filename);    // 开始读取    while ((len = is.read(bs)) != -1) {      os.write(bs, 0, len);    }    // 完毕，关闭所有链接    os.close();    is.close();  }   /**   * 获取隐藏字段的__VIEWSTATE值   *    * @param url   * @param cookie   * @param referer   * @return   * @throws UnsupportedOperationException   * @throws ClientProtocolException   * @throws IOException   */  public static String getViewState(String url, String cookie, String referer)      throws UnsupportedOperationException, ClientProtocolException,      IOException {    CloseableHttpClient client = HttpClients.createDefault();    HttpGet getViewState = new HttpGet(url);    getViewState.setHeader("Cookie", cookie);    getViewState.setHeader("Referer", referer);// 设置头信息    String s = IOUtils.getHtml(client.execute(getViewState).getEntity()        .getContent(), "GB2312");    String viewstate = Jsoup.parse(s).select("input[name=__VIEWSTATE]")        .val();    client.close();    return viewstate;  }}

package com.ican.yueban.utils; public class ParseUtils {  /**   * 获取课程节次对应的字符串   * @param course   * @return   */  public static String parseWeek(String course) {    String sjd="";    int nowCourse = Integer.parseInt(course);    switch (nowCourse) {    case 1:      sjd=GlobalConstant.CLASS1;      break;    case 2:      sjd=GlobalConstant.CLASS2;      break;    case 3:      sjd=GlobalConstant.CLASS3;      break;    case 4:      sjd=GlobalConstant.CLASS4;      break;    case 5:      sjd=GlobalConstant.CLASS5;      break;    case 6:      sjd=GlobalConstant.CLASS6;      break;    case 7:      sjd=GlobalConstant.CLASS7;      break;    case 8:      sjd=GlobalConstant.CLASS8;      break;    case 9:      sjd=GlobalConstant.CLASS9;      break;    case 10:      sjd=GlobalConstant.CLASS10;      break;    case 11:      sjd=GlobalConstant.CLASS11;      break;    default:      sjd=GlobalConstant.CLASS1;      break;    }     return sjd;  }}