Java模拟登录正方教务抓取成绩、课表、空教室

这篇文章主要介绍了Java模拟登录正方教务抓取成绩、课表、空教室等信息，Java实现模拟登录正方教务抓取成绩、课表、空教室，通过HttpClient来模拟浏览器请求，Jsoup解析网页内容，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了Java模拟登录正方教务抓取成绩、课表、空教室等信息，供大家参考，具体内容如下

1.Jwgl.java

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 nameValuePairLogin = new ArrayList();// 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(new上一篇：java中对List分段操作的实例下一篇：java 全角半角字符转换的方法实例热门搜索：