JAVA 作业：图形界面

自己动手写的一个小JAVA 程序：

一个学生管理小系统，虽然很挫，但是这我学JAVA的第一步。学了2天JAVA没有白费！

import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;

import javax.swing.*;

class Demo {
    public static void main(String[] args) {
        new MyFrame();
    }                
}

class Student{

    private String _stuId;
    private String _name;
    private char[] _secret;
    private String _sex;
    private String _jiguan;
    private String _xibie;
    private String _course;
    public String get_stuId() {
        return _stuId;
    }
    public void set_stuId(String _stuId) {
        this._stuId = _stuId;
    }
    public String get_name() {
        return _name;
    }
    public void set_name(String _name) {
        this._name = _name;
    }
    public String get_sex() {
        return _sex;
    }
    public void set_sex(String _sex) {
        this._sex = _sex;
    }
    public String get_jiguan() {
        return _jiguan;
    }
    public void set_jiguan(String _jiguan) {
        this._jiguan = _jiguan;
    }
    public String get_xibie() {
        return _xibie;
    }
    public void set_xibie(String _xibie) {
        this._xibie = _xibie;
    }
    public String get_course() {
        return _course;
    }
    public void set_course(String _course) {
        this._course = _course;
    }
    public char[] get_secret() {
        return _secret;
    }
    public void set_secret(char[] dd_secret) {
        this._secret = dd_secret;
    }
}



class MyFrame extends JFrame {
    
    ArrayList<Student> students=new ArrayList<Student>();
    public MyFrame() {
        Box baseBox,box1,box2;
        setTitle("学生信息录用");
        setSize(350, 650);
        setVisible(true);
        setResizable(false);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        box1 = Box.createVerticalBox();
        box1.add(Box.createVerticalStrut(30));
        box1.add(new JLabel("学号"));
        box1.add(Box.createVerticalStrut(30));
        box1.add(new JLabel("姓名"));
        box1.add(Box.createVerticalStrut(30));
        box1.add(new JLabel("密码"));

        box2 = Box.createVerticalBox();
        box2.add(Box.createVerticalStrut(30));
        final JTextField TF_stuid = new JTextField(10);
        box2.add(TF_stuid);
        box2.add(Box.createVerticalStrut(30));
        final JTextField TF_name = new JTextField(10);
        box2.add(TF_name);
        box2.add(Box.createVerticalStrut(30));
        final JPasswordField TF_secret = new JPasswordField(10);
        box2.add(TF_secret);
        
        Box box3 =  Box.createHorizontalBox();
        ButtonGroup g = new ButtonGroup();
        final String JRb1 = "男";
        final String JRb2 = "女";
        final JRadioButton b1 = new JRadioButton(JRb1);
        final JRadioButton b2 = new JRadioButton(JRb2);

        
        //final String sex ;
        g.add(b1);
        g.add(b2);
        box3.add(new JLabel("性别"));
        box3.add(Box.createHorizontalStrut(20));
        box3.add(b1);
        box3.add(Box.createHorizontalStrut(20));
        box3.add(b2);
        
        baseBox = Box.createHorizontalBox();
        baseBox.add(box1);
        baseBox.add(Box.createHorizontalStrut(30));
        baseBox.add(box2);
        //baseBox.add(box3);
        //add(baseBox);
        Box box5,box6,box7;
        box5 = Box.createVerticalBox();
        box5.add(Box.createVerticalStrut(30));
        box5.add(new JLabel("籍贯"));
        box5.add(Box.createVerticalStrut(30));
        box5.add(new JLabel("系别"));

        final String[] xibie = {"计算机与科学", "软件工程", "网络工程", "嵌入式系统开发", "信息工程"};
        final JComboBox jb = new JComboBox(xibie);
        box6 = Box.createVerticalBox();
        box6.add(Box.createVerticalStrut(30));
        final JTextField TF_jiguan = new JTextField(10);
        box6.add(TF_jiguan);
        box6.add(Box.createVerticalStrut(30));
        box6.add(jb);

        box7 = Box.createHorizontalBox();
        box7.add(box5);
        box7.add(Box.createHorizontalStrut(30));
        box7.add(box6);
        
        final JCheckBox[] ch = new JCheckBox[6];
        ch[0]=new JCheckBox("C++程序设计");
        ch[1]=new JCheckBox("计算机组成原理");
        ch[2]=new JCheckBox("汇编原理");
        ch[3]=new JCheckBox("数据结构");
        ch[4]=new JCheckBox("数据库设计原理");
        ch[5]=new JCheckBox("软件工程");
        
        
        Box box8,box9,box10;
        box8 = Box.createVerticalBox();
        box8.add(new JLabel("课程"));
        
        box9 = Box.createVerticalBox();
        box9.add(ch[0]);
        box9.add(ch[1]);
        box9.add(ch[2]);
        box9.add(ch[3]);
        box9.add(ch[4]);
        box9.add(ch[5]);
        
        box10 = Box.createHorizontalBox();
        box10.add(box8);
        box10.add(Box.createHorizontalStrut(100));
        box10.add(box9);
        
        JButton dd1 = new JButton("确认", new ImageIcon("3.JPG"));
        JButton dd2 = new JButton("取消");
        
        dd1.addActionListener(new ActionListener(){
            
            public void actionPerformed(ActionEvent e){
                
                String dd_stuid = TF_stuid.getText(); 
                if(dd_stuid.equals("")) System.out.println(123);
                String dd_name = TF_name.getText();
                String dd_jiguan = TF_jiguan.getText();
                char[] dd_secret = TF_secret.getPassword();
                
                String dd_sex = null;
                if(b1.isSelected())
                    dd_sex = "男";
                if(b2.isSelected())
                    dd_sex = "女";
                String course = "";
                String[] sz_course = {"C++程序设计 ", "计算机组成原理 ", "汇编原理 ", "数据结构 ", "数据库设计原理 ","软件工程 "};
        
                for(int i=0;i<6;++i)
                    if(ch[i].isSelected())
                        course+=sz_course[i];
                
                int int_jb = jb.getSelectedIndex();
                String dd_xibie = xibie[int_jb];
                System.out.println(xibie[int_jb]);
                Student st = new Student();
                st.set_stuId(dd_stuid);
                st.set_name(dd_name);
                st.set_secret(dd_secret);
                st.set_jiguan(dd_jiguan);
                st.set_sex(dd_sex);
                st.set_xibie(dd_xibie);
                st.set_course(course);
        
                students.add(st);
                if(TF_stuid.getText().equals("")||TF_name.getText().equals("") ||TF_jiguan.getText().equals("") )
                    JOptionPane.showMessageDialog(null, "录入失败");
                else JOptionPane.showMessageDialog(null, "录入成功");
                
                TF_stuid.setText("");
                TF_name.setText("");
                TF_jiguan.setText("");
                TF_secret.setText("");
            }
        });
        
        dd2.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                dispose();
            }
        });
        
        
        Box box11 = Box.createHorizontalBox();
        box11.add(dd1);
        box11.add(Box.createHorizontalStrut(30));
        box11.add(dd2);
        
        Box box4 = Box.createVerticalBox();
        box4.add(baseBox);
        box4.add(Box.createVerticalStrut(10));
        box4.add(box3);
        box4.add(box7);
        box4.add(Box.createVerticalStrut(20));
        box4.add(box10);
        box4.add(Box.createVerticalStrut(20));
        box4.add(box11);
        add(box4);
            
        

        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        int x = (screenSize.width - getWidth()) / 2;
        int y = (screenSize.height - getHeight()) / 2;
        setLocation(x, y);

        setLayout(new FlowLayout());
        validate();

    }
}