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！

 

  1 import java.awt.*;

  2 import java.awt.event.*;

  3 import java.util.ArrayList;

  4 

  5 import javax.swing.*;

  6 

  7 class Demo {

  8     public static void main(String[] args) {

  9         new MyFrame();

 10     }                

 11 }

 12 

 13 class Student{

 14 

 15     private String _stuId;

 16     private String _name;

 17     private char[] _secret;

 18     private String _sex;

 19     private String _jiguan;

 20     private String _xibie;

 21     private String _course;

 22     public String get_stuId() {

 23         return _stuId;

 24     }

 25     public void set_stuId(String _stuId) {

 26         this._stuId = _stuId;

 27     }

 28     public String get_name() {

 29         return _name;

 30     }

 31     public void set_name(String _name) {

 32         this._name = _name;

 33     }

 34     public String get_sex() {

 35         return _sex;

 36     }

 37     public void set_sex(String _sex) {

 38         this._sex = _sex;

 39     }

 40     public String get_jiguan() {

 41         return _jiguan;

 42     }

 43     public void set_jiguan(String _jiguan) {

 44         this._jiguan = _jiguan;

 45     }

 46     public String get_xibie() {

 47         return _xibie;

 48     }

 49     public void set_xibie(String _xibie) {

 50         this._xibie = _xibie;

 51     }

 52     public String get_course() {

 53         return _course;

 54     }

 55     public void set_course(String _course) {

 56         this._course = _course;

 57     }

 58     public char[] get_secret() {

 59         return _secret;

 60     }

 61     public void set_secret(char[] dd_secret) {

 62         this._secret = dd_secret;

 63     }

 64 }

 65 

 66 

 67 

 68 class MyFrame extends JFrame {

 69     

 70     ArrayList<Student> students=new ArrayList<Student>();

 71     public MyFrame() {

 72         Box baseBox,box1,box2;

 73         setTitle("学生信息录用");

 74         setSize(350, 650);

 75         setVisible(true);

 76         setResizable(false);

 77         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 78         

 79         box1 = Box.createVerticalBox();

 80         box1.add(Box.createVerticalStrut(30));

 81         box1.add(new JLabel("学号"));

 82         box1.add(Box.createVerticalStrut(30));

 83         box1.add(new JLabel("姓名"));

 84         box1.add(Box.createVerticalStrut(30));

 85         box1.add(new JLabel("密码"));

 86 

 87         box2 = Box.createVerticalBox();

 88         box2.add(Box.createVerticalStrut(30));

 89         final JTextField TF_stuid = new JTextField(10);

 90         box2.add(TF_stuid);

 91         box2.add(Box.createVerticalStrut(30));

 92         final JTextField TF_name = new JTextField(10);

 93         box2.add(TF_name);

 94         box2.add(Box.createVerticalStrut(30));

 95         final JPasswordField TF_secret = new JPasswordField(10);

 96         box2.add(TF_secret);

 97         

 98         Box box3 =  Box.createHorizontalBox();

 99         ButtonGroup g = new ButtonGroup();

100         final String JRb1 = "男";

101         final String JRb2 = "女";

102         final JRadioButton b1 = new JRadioButton(JRb1);

103         final JRadioButton b2 = new JRadioButton(JRb2);

104 

105         

106         //final String sex ;

107         g.add(b1);

108         g.add(b2);

109         box3.add(new JLabel("性别"));

110         box3.add(Box.createHorizontalStrut(20));

111         box3.add(b1);

112         box3.add(Box.createHorizontalStrut(20));

113         box3.add(b2);

114         

115         baseBox = Box.createHorizontalBox();

116         baseBox.add(box1);

117         baseBox.add(Box.createHorizontalStrut(30));

118         baseBox.add(box2);

119         //baseBox.add(box3);

120         //add(baseBox);

121         Box box5,box6,box7;

122         box5 = Box.createVerticalBox();

123         box5.add(Box.createVerticalStrut(30));

124         box5.add(new JLabel("籍贯"));

125         box5.add(Box.createVerticalStrut(30));

126         box5.add(new JLabel("系别"));

127 

128         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"};

129         final JComboBox jb = new JComboBox(xibie);

130         box6 = Box.createVerticalBox();

131         box6.add(Box.createVerticalStrut(30));

132         final JTextField TF_jiguan = new JTextField(10);

133         box6.add(TF_jiguan);

134         box6.add(Box.createVerticalStrut(30));

135         box6.add(jb);

136 

137         box7 = Box.createHorizontalBox();

138         box7.add(box5);

139         box7.add(Box.createHorizontalStrut(30));

140         box7.add(box6);

141         

142         final JCheckBox[] ch = new JCheckBox[6];

143         ch[0]=new JCheckBox("C++程序设计");

144         ch[1]=new JCheckBox("计算机组成原理");

145         ch[2]=new JCheckBox("汇编原理");

146         ch[3]=new JCheckBox("数据结构");

147         ch[4]=new JCheckBox("数据库设计原理");

148         ch[5]=new JCheckBox("软件工程");

149         

150         

151         Box box8,box9,box10;

152         box8 = Box.createVerticalBox();

153         box8.add(new JLabel("课程"));

154         

155         box9 = Box.createVerticalBox();

156         box9.add(ch[0]);

157         box9.add(ch[1]);

158         box9.add(ch[2]);

159         box9.add(ch[3]);

160         box9.add(ch[4]);

161         box9.add(ch[5]);

162         

163         box10 = Box.createHorizontalBox();

164         box10.add(box8);

165         box10.add(Box.createHorizontalStrut(100));

166         box10.add(box9);

167         

168         JButton dd1 = new JButton("确认", new ImageIcon("3.JPG"));

169         JButton dd2 = new JButton("取消");

170         

171         dd1.addActionListener(new ActionListener(){

172             

173             public void actionPerformed(ActionEvent e){

174                 

175                 String dd_stuid = TF_stuid.getText(); 

176                 if(dd_stuid.equals("")) System.out.println(123);

177                 String dd_name = TF_name.getText();

178                 String dd_jiguan = TF_jiguan.getText();

179                 char[] dd_secret = TF_secret.getPassword();

180                 

181                 String dd_sex = null;

182                 if(b1.isSelected())

183                     dd_sex = "男";

184                 if(b2.isSelected())

185                     dd_sex = "女";

186                 String course = "";

187                 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 "};

188         

189                 for(int i=0;i<6;++i)

190                     if(ch[i].isSelected())

191                         course+=sz_course[i];

192                 

193                 int int_jb = jb.getSelectedIndex();

194                 String dd_xibie = xibie[int_jb];

195                 System.out.println(xibie[int_jb]);

196                 Student st = new Student();

197                 st.set_stuId(dd_stuid);

198                 st.set_name(dd_name);

199                 st.set_secret(dd_secret);

200                 st.set_jiguan(dd_jiguan);

201                 st.set_sex(dd_sex);

202                 st.set_xibie(dd_xibie);

203                 st.set_course(course);

204         

205                 students.add(st);

206                 if(TF_stuid.getText().equals("")||TF_name.getText().equals("") ||TF_jiguan.getText().equals("") )

207                     JOptionPane.showMessageDialog(null, "录入失败");

208                 else JOptionPane.showMessageDialog(null, "录入成功");

209                 

210                 TF_stuid.setText("");

211                 TF_name.setText("");

212                 TF_jiguan.setText("");

213                 TF_secret.setText("");

214             }

215         });

216         

217         dd2.addActionListener(new ActionListener(){

218             public void actionPerformed(ActionEvent e){

219                 dispose();

220             }

221         });

222         

223         

224         Box box11 = Box.createHorizontalBox();

225         box11.add(dd1);

226         box11.add(Box.createHorizontalStrut(30));

227         box11.add(dd2);

228         

229         Box box4 = Box.createVerticalBox();

230         box4.add(baseBox);

231         box4.add(Box.createVerticalStrut(10));

232         box4.add(box3);

233         box4.add(box7);

234         box4.add(Box.createVerticalStrut(20));

235         box4.add(box10);

236         box4.add(Box.createVerticalStrut(20));

237         box4.add(box11);

238         add(box4);

239             

240         

241 

242         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

243         int x = (screenSize.width - getWidth()) / 2;

244         int y = (screenSize.height - getHeight()) / 2;

245         setLocation(x, y);

246 

247         setLayout(new FlowLayout());

248         validate();

249 

250     }

251 }