初次提交所有代码

.gitignore

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+*
+!.gitignore
+!*/
+!*.java
+!lib/*
+!config/config.example.yaml

config/config.example.yaml

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+# 每轮查询的间隔（秒），建议设置为600以上
+interval: 600
+# 记录当前成绩的文件（JSON）
+record-file: grades-record.json
+
+# 需要查询的学生
+students:
+  - id: 学生1学号
+    password: 学生1密码
+    email: 学生1邮箱
+  - id: 学生2学号
+    password: 学生2密码
+    email: 学生2邮箱
+  # 更多的学生用类似格式添加
+
+# 发件人邮箱设置（默认使用SSL/TLS）
+email:
+  address: [email protected] # 邮箱地址
+  sender-name: 長門有希 # 发件人显示姓名
+  username: username # SMTP登录用户名
+  password: password # SMTP登录密码
+  server: smtp.example.com # SMTP服务器地址
+  port: 465 # SMTP服务器端口

src/com/yuki_nagato/csunotifier/Config.java

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+package com.yuki_nagato.csunotifier;
+
+import com.esotericsoftware.yamlbeans.YamlException;
+import com.esotericsoftware.yamlbeans.YamlReader;
+
+import java.io.*;
+import java.util.List;
+import java.util.Map;
+
+public class Config {
+    public final int interval;
+    public final String recordFile;
+    public final List<Map<String, String>> students;
+    public final Map<String, String> email;
+
+    public Config(File yamlFile) throws IOException {
+        YamlReader reader;
+        try {
+            reader = new YamlReader(new InputStreamReader(new FileInputStream(yamlFile),"utf-8"));
+        }
+        catch (FileNotFoundException e) {
+            System.err.println("配置文件 "+yamlFile.getPath()+" 未找到");
+            throw e;
+        }
+        try {
+            Map<String, Object> map = (Map)reader.read();
+            reader.close();
+            interval = Integer.parseInt((String)map.get("interval"));
+            recordFile = (String)map.get("record-file");
+            students = (List)map.get("students");
+            email = (Map)map.get("email");
+        }
+        catch (YamlException | ClassCastException e) {
+            System.err.println("配置文件 "+yamlFile.getPath()+" 格式错误");
+            throw e;
+        }
+    }
+}

src/com/yuki_nagato/csunotifier/Grade.java

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+package com.yuki_nagato.csunotifier;
+
+import org.json.JSONObject;
+
+import java.util.Map;
+
+public class Grade {
+    public final String course,orientationTerm,getTerm,processScore,examScore,mark,credit;
+    public Grade(String course,String orientationTerm, String getTerm, String processScore, String examScore, String mark, String credit) {
+        this.course = course;
+        this.orientationTerm = orientationTerm;
+        this.getTerm = getTerm;
+        this.processScore = processScore;
+        this.examScore = examScore;
+        this.mark = mark;
+        this.credit = credit;
+    }
+    public Grade(Map<String, String> map) {
+        course = map.get("course");
+        orientationTerm = map.get("orientationTerm");
+        getTerm = map.get("getTerm");
+        processScore = map.get("processScore");
+        examScore = map.get("examScore");
+        mark = map.get("mark");
+        credit = map.get("credit");
+    }
+
+    public JSONObject toJson() {
+        JSONObject rst = new JSONObject();
+        rst.put("course", course);
+        rst.put("orientationTerm", orientationTerm);
+        rst.put("getTerm", getTerm);
+        rst.put("processScore", processScore);
+        rst.put("examScore", examScore);
+        rst.put("mark", mark);
+        rst.put("credit", credit);
+        return rst;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if(obj.getClass()!=Grade.class) return false;
+        Grade b = (Grade)obj;
+        return course.equals(b.course) &&
+                orientationTerm.equals(b.orientationTerm) &&
+                getTerm.equals(b.getTerm) &&
+                processScore.equals(b.processScore) &&
+                examScore.equals(b.examScore) &&
+                mark.equals(b.mark) &&
+                credit.equals(b.credit);
+    }
+
+    @Override
+    public int hashCode() {
+        return course.hashCode();
+    }
+}

src/com/yuki_nagato/csunotifier/MailSender.java

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+package com.yuki_nagato.csunotifier;
+
+import javax.mail.*;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import java.io.UnsupportedEncodingException;
+import java.util.Properties;
+
+public class MailSender {
+    private final InternetAddress from;
+    private final String server, username, password, port, senderName;
+
+    public MailSender(String address, String name, String server, String username, String password, String port) throws UnsupportedEncodingException {
+        this.from = new InternetAddress(address, name, "utf-8");
+        this.server = server;
+        this.username = username;
+        this.password = password;
+        this.port = port;
+        this.senderName = name;
+    }
+    public void send(Student student, Diff diff) throws MessagingException, UnsupportedEncodingException {
+        Properties props = new Properties();
+        props.put("mail.smtp.host", server);
+        props.put("mail.smtp.port", port);
+        props.put("mail.smtp.ssl.enable", "true");
+        props.put("mail.smtp.auth", "true");
+        Session session = Session.getInstance(props, new Authenticator() {
+            @Override
+            protected PasswordAuthentication getPasswordAuthentication() {
+                return new PasswordAuthentication(username, password);
+            }
+        });
+        MimeMessage message = new MimeMessage(session);
+        message.setFrom(from);
+        message.setRecipient(Message.RecipientType.TO, new InternetAddress(student.email,student.getName(),"utf-8"));
+        message.setSubject("中南大学新成绩通知","utf-8");
+        message.setContent(generateContent(student, diff), "text/html;charset=utf-8");
+        message.saveChanges();
+        Transport.send(message);
+    }
+
+    String generateContent(Student student, Diff diff) {
+        StringBuilder rst = new StringBuilder();
+        rst.append("<p>").append(student.getName()).append("同学：</p>");
+        rst.append("<p>您有成绩变化：</p>");
+        if(!diff.additions.isEmpty()) {
+            rst.append("<p>新增的成绩为</p>");
+            rst.append("<table border=\"1\"><tr><th>课程</th><th>初修学期</th><th>获得学期</th><th>过程成绩</th><th>期末成绩</th><th>成绩</th><th>学分</th></tr>");
+            for(Grade grade : diff.additions) {
+                rst.append(String.format("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>", grade.course, grade.orientationTerm, grade.getTerm, grade.processScore, grade.examScore, grade.mark, grade.credit));
+            }
+            rst.append("</table>");
+        }
+        if(!diff.deletions.isEmpty()) {
+            rst.append("<p>消失的成绩为</p>");
+            rst.append("<table border=\"1\"><tr><th>课程</th><th>初修学期</th><th>获得学期</th><th>过程成绩</th><th>期末成绩</th><th>成绩</th><th>学分</th></tr>");
+            for(Grade grade : diff.deletions) {
+                rst.append(String.format("<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>", grade.course, grade.orientationTerm, grade.getTerm, grade.processScore, grade.examScore, grade.mark, grade.credit));
+            }
+            rst.append("</table>");
+        }
+        rst.append("<p>Yours sincerely,<br/>").append(senderName).append("</p>");
+        return rst.toString();
+    }
+}

src/com/yuki_nagato/csunotifier/Main.java

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+package com.yuki_nagato.csunotifier;
+
+import javax.mail.MessagingException;
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+
+public class Main {
+    public static void main(String[] args) throws IOException, InterruptedException {
+        final Config cfg = new Config(new File("config/config.yaml"));
+        Student.recordFile = new File(cfg.recordFile);
+        Student.load();
+        MailSender sender = new MailSender(cfg.email.get("address"),cfg.email.get("sender-name"),cfg.email.get("server"),cfg.email.get("username"),cfg.email.get("password"),cfg.email.get("port"));
+        while(true) {
+            for(Map<String, String> student : cfg.students) {
+                String id = student.get("id"), password = student.get("password"), email = student.get("email");
+                try {
+                    System.out.println("开始查询"+id);
+                    Student stu = new Student(id,password,email);
+                    Diff diff = stu.check();
+                    if(diff.additions.isEmpty() && diff.deletions.isEmpty()) {
+                        System.out.println("没有变化");
+                    }
+                    else {
+                        System.out.printf("新增%d个成绩，减少%d个成绩\n", diff.additions.size(), diff.deletions.size());
+                        sender.send(stu,diff);
+                        System.out.println("邮件发送成功");
+                    }
+                }
+                catch (MessagingException e) {
+                    System.err.println("邮件发送失败");
+                    e.printStackTrace();
+                }
+                catch (AuthenticationException e) {
+                    System.err.println("用户名或密码错误");
+                }
+                catch (NullPointerException | IOException e) {
+                    System.err.println("关于"+id+"的配置可能有误");
+                    e.printStackTrace();
+                }
+                Thread.sleep(cfg.interval*1000/cfg.students.size());
+            }
+        }
+    }
+}

src/com/yuki_nagato/csunotifier/ScorePage.java

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+package com.yuki_nagato.csunotifier;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.*;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ScorePage {
+    private final String content;
+
+    public ScorePage(String username, String password) throws IOException, AuthenticationException {
+        URL url = new URL("http://csujwc.its.csu.edu.cn/jsxsd/xk/LoginToXk");
+        HttpURLConnection connection = (HttpURLConnection)url.openConnection();
+        connection.setRequestMethod("POST");
+        connection.setInstanceFollowRedirects(false);
+        connection.setDoOutput(true);
+        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+        String encoded = Base64.getEncoder().encodeToString(username.getBytes("utf-8")) +
+                "%%%" +
+                Base64.getEncoder().encodeToString(password.getBytes("utf-8"));
+        connection.getOutputStream().write(("encoded="+ URLEncoder.encode(encoded,"utf-8")).getBytes("utf-8"));
+        if(connection.getResponseCode()!=302) {
+            throw new AuthenticationException();
+        }
+        List<String> cookies = connection.getHeaderFields().get("Set-Cookie");
+
+        // get page
+        url = new URL("http://csujwc.its.csu.edu.cn/jsxsd/kscj/yscjcx_list");
+        connection = (HttpURLConnection)url.openConnection();
+        for(String cookie : cookies) {
+            connection.addRequestProperty("Cookie", cookie.substring(0,cookie.indexOf(';')));
+        }
+        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
+        StringBuilder body = new StringBuilder();
+        String line;
+        while((line = br.readLine())!=null) {
+            body.append(line);
+            body.append('\n');
+        }
+
+        //exit
+        url = new URL("http://csujwc.its.csu.edu.cn/jsxsd/xk/LoginToXk?method=exit");
+        connection = (HttpURLConnection)url.openConnection();
+        connection.setInstanceFollowRedirects(false);
+        for(String cookie : cookies) {
+            connection.addRequestProperty("Cookie", cookie.substring(0, cookie.indexOf(';')));
+        }
+        connection.getResponseCode();
+
+        content = body.toString();
+    }
+    public ArrayList<Grade> getGrades() {
+        String pt = "<tr>.*?<td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td align=\"left\">(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?,700,500\\)\">(.*?)</a>.*?<td>(.*?)</td>";
+        Pattern pattern = Pattern.compile(pt, Pattern.DOTALL);
+        Matcher m = pattern.matcher(content);
+        ArrayList<Grade> rst = new ArrayList<>();
+        while(m.find()) {
+            rst.add(new Grade(m.group(3),m.group(1),m.group(2),m.group(4),m.group(5),m.group(6),m.group(7)));
+        }
+        return rst;
+    }
+    public String getName() {
+        String pt = "&nbsp;&nbsp;(.*)\\(";
+        Pattern pattern = Pattern.compile(pt);
+        Matcher m = pattern.matcher(content);
+        m.find();
+        return m.group(1);
+    }
+}
+
+class AuthenticationException extends Exception {
+    AuthenticationException() {
+        super("用户名或密码错误");
+    }
+}