netexamsystem_client.java~130~

java在线考试例子代码

package testovernet;

import java.io.*;

public class NetExamSystem_Client {
    public static void main(String[] args) {

        // StudentExam student = new StudentExam(10001, "Kay Ding", 24, "Male");

        StudentExam student = new StudentExam();

        // student.printStudentInfo();

        System.out.println("\nWelcome to Self Examination System Over Internet!");

        boolean connectable = student.isConnectToServer();

        /*     try {
                  String s = tempInput.readLine();
                  System.out.println(s);
              }
              catch (Exception e) {
                  e.printStackTrace();
              } */

        if (connectable == true) {

            System.out.println(
                    "\nSuccess Connected, Authenticating now please...");
            student.setExamStudentInfo();
            try {

                BufferedReader tempInput
                        = new BufferedReader(new InputStreamReader(System.in));

                OutputStream stuOuput = (student.stuSocket).getOutputStream();
                InputStream stuInput = (student.stuSocket).getInputStream();

                DataOutputStream stuDataOutput = new DataOutputStream(stuOuput);
                DataInputStream stuDataInput = new DataInputStream(stuInput);

                ObjectOutputStream stuObjOutput = new ObjectOutputStream(
                        stuOuput);
                ObjectInputStream stuObjInput = new ObjectInputStream(stuInput);

                stuObjOutput.writeObject(student);

                System.out.println(stuDataInput.readUTF());

                String isEligible = stuDataInput.readUTF();
                // System.out.println(isEligible);

                if (isEligible.equals("Eligible")) {

                    student.setExamMode();

                    int questionAmount = student.questionAmount;
                    String questionType = student.questionType;

                    stuDataOutput.writeUTF(questionType);
                    stuDataOutput.writeInt(questionAmount);


                    System.out.println("\nOK, Let's start: ");
                    Question[] testPaperAfterExam = new Question[questionAmount];
                    testPaperAfterExam = student.getTestPaperFromServerAndExam
                            (questionAmount, stuObjInput);

                    student.sendTestPaperAfterExamToServer
                            (questionAmount, testPaperAfterExam, stuObjOutput);

                    System.out.println("\n\nTest over,Waiting server sending score..."
                                       +"\nCongratulations!"+"\nYour score of this test is:   " +
                                       +stuDataInput.readInt());

                }

                else {

                }

                stuOuput.close();
                stuInput.close();
                student.stuSocket.close();
            }
            catch (Exception e) {
                e.printStackTrace();
            }

        }

    }
}