typeframe.java~64~

学生考试系统 有学生和老师登录。 学生登录可以选择不同的题库进行考试或练习

package com.svse.view;

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Rectangle;
import java.awt.Font;
import javax.swing.JComboBox;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Toolkit;
import java.awt.Dimension;
import com.svse.dao.QuestionDao;
import java.util.ArrayList;
import com.svse.bean.QuestionBean;
import javax.swing.JOptionPane;

public class TypeFrame extends JFrame {
    LoginFrame Login;
    StudentFrame Student;
    public TypeFrame() {
        try {
            jbInit();
            //设置窗体大小
            this.setSize(298, 299);
            // Center the window
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = this.getSize();
            if (frameSize.height > screenSize.height) {
                frameSize.height = screenSize.height;
            }
            if (frameSize.width > screenSize.width) {
                frameSize.width = screenSize.width;
            }
            this.setLocation((screenSize.width - frameSize.width) / 2,
                             (screenSize.height - frameSize.height) / 2);

            //设置可见度
            this.setVisible(true);
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    public TypeFrame(LoginFrame LoginFrame) {
        this();
        this.Login = LoginFrame;
    }

    private void jbInit() throws Exception {
        getContentPane().setLayout(null);
        lbl_topTitle.setFont(new java.awt.Font("宋体", Font.BOLD, 16));
        lbl_topTitle.setText("欢迎使用考试题库系统");
        lbl_topTitle.setBounds(new Rectangle(63, 21, 185, 25));
        lbl_answerWise.setText("答题方式：");
        lbl_answerWise.setBounds(new Rectangle(62, 83, 66, 15));
        cbo_answerWise.setBounds(new Rectangle(131, 79, 105, 23));
        cbo_answerWise.addActionListener(new
                                         TypeFrame_cbo_answerWise_actionAdapter(this));
        cbo_subjectType.setBounds(new Rectangle(131, 126, 105, 23));
        lbl_subjectType.setText("科目类型：");
        lbl_subjectType.setBounds(new Rectangle(62, 130, 66, 15));
        btn_ok.setBounds(new Rectangle(72, 189, 72, 25));
        btn_ok.setText("确 定");
        btn_ok.addActionListener(new TypeFrame_btn_ok_actionAdapter(this));
        btn_back.setBounds(new Rectangle(166, 189, 72, 25));
        btn_back.setText("返 回");
        btn_back.addActionListener(new TypeFrame_btn_back_actionAdapter(this));
        this.getContentPane().add(lbl_topTitle);
        this.getContentPane().add(cbo_answerWise);
        this.getContentPane().add(lbl_answerWise);
        this.getContentPane().add(lbl_subjectType);
        this.getContentPane().add(cbo_subjectType);
        this.getContentPane().add(btn_back);
        this.getContentPane().add(btn_ok);
        setItem1();
        setItem2();
    }

    //为下拉列表赋值
    public void setItem1() {
        this.cbo_answerWise.addItem("练习");
        this.cbo_answerWise.addItem("考试");
    }

    public void setItem2() {
        this.cbo_subjectType.addItem("Java");
        this.cbo_subjectType.addItem("Html");
        this.cbo_subjectType.addItem("JavaScript");
        this.cbo_subjectType.addItem("Sqlsever");

    }

    JLabel lbl_topTitle = new JLabel();
    JLabel lbl_answerWise = new JLabel();
    JComboBox cbo_answerWise = new JComboBox();
    JComboBox cbo_subjectType = new JComboBox();
    JLabel lbl_subjectType = new JLabel();
    JButton btn_ok = new JButton();
    JButton btn_back = new JButton();

    //全局变量
    int idenx = 0; //给题目赋值时的变量
    int sum = 0; //选择题目类型时候的变量
    ArrayList<QuestionBean> list; //用创建对象来承接dao中的值
    QuestionDao dao = new QuestionDao();
    String Answer;
//给下一个界面赋值
    public void showInfo() {
        QuestionBean bean = list.get(idenx); //现在的list还是空的

        Student.txt_title.setText(bean.getTitle());
        Student.txt_optionA.setText(bean.getOptionA());
        Student.txt_optionB.setText(bean.getOptionB());
        Student.txt_optionC.setText(bean.getOptionC());
        Student.txt_optionD.setText(bean.getOptionD());
        Answer = bean.getAnswer();

    }

    //确定按钮
    int courseID;
    QuestionDao dao;
    int fenshu;
    public void btn_ok_actionPerformed(ActionEvent e) {

        StudentFrame frm = new StudentFrame(this); //创建题目窗口的对象，将自己传过去
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = frm.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        frm.setLocation((screenSize.width - frameSize.width) / 2,
                        (screenSize.height - frameSize.height) / 2);
        frm.setVisible(true); //显示题目窗口
        this.setVisible(false); //将自己隐藏

        //如果是练习
        //得到用户选择的方式
        String fangshi = (String)this.cbo_answerWise.getSelectedItem();
        if (fangshi.equals("练习")) {
            //得到用户选择的课程
            String type = (String)this.cbo_subjectType.getSelectedItem();
            if (type.equals("JAVA")) {
                courseID = 1;
            } else if (type.equals("HTML")) {
                courseID = 2;
            } else if (type.equals("JavaScript")) {
                courseID = 3;
            } else if (type.equals("Sqlserver")) {
                courseID = 4;
            } else {
                JOptionPane.showMessageDialog(this, "请选择您需要练习的课程！");
            }
            dao = new QuestionDao();
            frm.list = dao.getAll(courseID);
            //设置交卷按钮为不可编辑
            frm.btn_submit.setEnabled(false);

        } else { //如果选择的是考试
            dao = new QuestionDao();
            frm.list = dao.getAll(0);

        }
        //去数据库验证
        frm.showInfo();
    }


    //返回按钮的单击事件
    public void btn_back_actionPerformed(ActionEvent e) {
        //弹出上一个界面
        this.Login.setVisible(true);
        this.setVisible(false);
    }


    //答题方式 设置可见度
    public void cbo_answerWise_actionPerformed(ActionEvent e) {
        String answerWise = (String)this.cbo_answerWise.getSelectedItem();
        if (answerWise.equals("练习")) {
            this.lbl_subjectType.setVisible(true);
            this.cbo_subjectType.setVisible(true);
        } else {
            this.lbl_subjectType.setVisible(false);
            this.cbo_subjectType.setVisible(false);
        }
    }

}


class TypeFrame_cbo_answerWise_actionAdapter implements ActionListener {
    private TypeFrame adaptee;
    TypeFrame_cbo_answerWise_actionAdapter(TypeFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.cbo_answerWise_actionPerformed(e);
    }
}


class TypeFrame_btn_back_actionAdapter implements ActionListener {
    private TypeFrame adaptee;
    private ActionEvent e;
    TypeFrame_btn_back_actionAdapter(TypeFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.btn_back_actionPerformed(e);
    }
}


class TypeFrame_btn_ok_actionAdapter implements ActionListener {
    private TypeFrame adaptee;
    private ActionEvent e;
    TypeFrame_btn_ok_actionAdapter(TypeFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.btn_ok_actionPerformed(e);
    }
}