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();

     }
 }