模拟银行存储实验---GUI实现

把前两天做的实验用GUI实现...

主要的接口都没有变,所以实现比较容易...

代码如下:

  1 /** */ /**
  2*title 模拟银行存储实验——GUI实现
  3*@author realsmy
  4*date 2006-10-26 8:10
  5*/
  6
  7 import  java.io. * ;
  8 import  java.awt. * ;
  9 import  javax.swing. * ;
 10 import  java.awt.event. * ;
 11 import  javax.swing.JPanel. * ;
 12
 13 // login applicatiion
 14 class  Login  extends  JFrame {
 15    Container c;
 16    JTextField text;
 17    JPasswordField password;
 18    MyPanel panel;
 19    JLabel label_name,label_password;
 20    JButton button1,button2;
 21    String lg_name,lg_password;
 22    File fl;//帐户资料文件声明
 23    Login(){
 24        super("模拟银行存储系统");
 25        c = getContentPane();
 26        c.setLayout(new BorderLayout());
 27        //初始化组件
 28        text = new JTextField();
 29        password = new JPasswordField();
 30        label_name = new JLabel("教工号 :");
 31        label_password = new JLabel("密    码 :");
 32        panel = new MyPanel();
 33        button1 = new JButton("LOGIN");
 34        button2 = new JButton("RESET");
 35        //添加监听
 36        button1.addActionListener(new ActionListener()
 37        {
 38            public void actionPerformed(ActionEvent e)
 39            {
 40                lg_name = text.getText();
 41                lg_password  = password.getText();
 42                if ( lg_name.equals("admin") && lg_password.equals("admin")){
 43                    setVisible(false);
 44                    GuanLi gl = new GuanLi(); 
 45                    gl.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 46                }
 47                else{
 48                    try{
 49                        fl = new File("frozen",lg_name+".txt");
 50                        if(fl.exists()){
 51                            JOptionPane.showMessageDialog(null,"对不起，您的帐户已被冻结！");
 52                        }
 53                        else{
 54                            fl = new File(lg_name+".txt");
 55                            //判断帐户是否存在
 56                            if(!fl.exists()){
 57                                JOptionPane.showMessageDialog(null,"对不起，您输入的帐户并不存在，请重新输入：");
 58                            }
 59                            else{
 60                            //帐户存在，开始判断密码
 61                                BufferedReader reader = new BufferedReader(new FileReader( lg_name + ".txt"));
 62                                String pw = reader.readLine();
 63                                int money = Integer.parseInt(reader.readLine());
 64                                //判断密码
 65                                if(lg_password.equals(pw)){
 66                                    JOptionPane.showMessageDialog(null,"登陆成功\n"+"您的用户尚有余额"+money+"元");
 67                                    ZhangHu zh = new ZhangHu(lg_name,lg_password,money);
 68                                    setVisible(false);
 69                                    YongHu yh = new YongHu(zh);
 70                                    yh.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 71                                }
 72                                else{
 73                                    JOptionPane.showMessageDialog(null,"对不起，您输入的密码不正确，请重新输入：");
 74                                }
 75                            }
 76                        }        
 77                    }catch(HeadlessException a){}catch(IOException b){}
 78                }
 79            }
 80        });
 81        button2.addActionListener(new ActionListener()
 82        {
 83            public void actionPerformed(ActionEvent e)
 84            {
 85                text.setText("");
 86                password.setText("");
 87            }
 88        });
 89
 90        //设置容器
 91        panel.setLayout(new GridLayout(3,2,10,15));
 92        panel.add(label_name);
 93        panel.add(text);
 94        panel.add(label_password);
 95        panel.add(password);
 96        panel.add(button1);
 97        panel.add(button2);
 98        
 99        c.add(panel,BorderLayout.CENTER);
100        setSize(300,200);
101        setLocation(300,200);
102        setVisible(true);
103    }
104}
105
106 // 定义管理界面
107 class  GuanLi  extends  JFrame {
108    private Container c;
109    JButton button1,button2,button3,button4;
110    MyPanel panel;
111    JLabel label1,label2;
112    Manager manager;
113    //String name,password,password2;
114    //int money;
115    GuanLi(){
116        super("模拟银行存储系统");
117        c = getContentPane();
118        c.setLayout(new BorderLayout());
119        //数据初始化
120        //button = new JButton("");
121        panel = new MyPanel();
122        label1 = new JLabel("欢迎光临赵家银行！");
123        label2 = new JLabel("请选择你要进行的操作：");
124        button1 = new JButton("1.添加帐户");
125        button2 = new JButton("2.删除用户");
126        button3 = new JButton("3.冻结用户");
127        button4 = new JButton("4.退出");
128        
129        //按钮监听
130        button1.addActionListener(new ActionListener(){
131            public void actionPerformed(ActionEvent e){
132                manager = new Manager();
133                manager.add();
134            }
135        });
136        button2.addActionListener(new ActionListener(){
137            public void actionPerformed(ActionEvent e){
138                manager = new Manager();
139                manager.del();
140            }
141        });
142        button3.addActionListener(new ActionListener()
143        {
144            public void actionPerformed(ActionEvent e){
145                manager = new Manager();
146                manager.froze();
147            }
148        });
149        button4.addActionListener(new ActionListener()
150        {
151            public void actionPerformed(ActionEvent e)
152            {
153                System.exit(0);
154            }
155        });
156        panel.setLayout(new GridLayout(6,1,50,5));
157        //c.setLayout(new GridLayout(4,2));
158        panel.add(label1);
159        panel.add(label2);
160        panel.add(button1);
161        panel.add(button2);
162        panel.add(button3);
163        panel.add(button4);
164
165        c.add(panel);
166        setSize(400,300);
167        setLocation(300,200);
168        setVisible(true);
169    }
170}
171
172 // 定义用户界面
173 class  YongHu  extends  JFrame {
174    private Container c;
175    JButton button1,button2,button3,button4;
176    MyPanel panel;
177    JLabel label1,label2;
178    ZhangHu zhanghu,zhanghu2;
179    //String name,password,password2;
180    String toname,password;
181    int money,money2,money3;
182    File fl;
183    YongHu(ZhangHu zh){
184        super("模拟银行存储系统");
185        zhanghu = zh;
186        c = getContentPane();
187        c.setLayout(new BorderLayout());
188        //数据初始化
189        panel = new MyPanel();
190        label1 = new JLabel("欢迎光临赵家银行！");
191        label2 = new JLabel("请选择你要进行的操作：");
192        button1 = new JButton("1.存钱");
193        button2 = new JButton("2.取钱");
194        button3 = new JButton("3.转帐");
195        button4 = new JButton("4.退出");
196        
197        //按钮监听
198        button1.addActionListener(new ActionListener(){
199            public void actionPerformed(ActionEvent e){
200                try{
201                    money = Integer.parseInt(JOptionPane.showInputDialog(null,"请输入您要存入的金额："));
202                }catch(HeadlessException o){}
203                zhanghu.setM(money);
204                infile(zhanghu);
205            }
206        });
207        button2.addActionListener(new ActionListener(){
208            public void actionPerformed(ActionEvent e){
209                try{
210                    money = Integer.parseInt(JOptionPane.showInputDialog(null,"请输入您要取得的金额："));
211                }catch(HeadlessException o){}
212                zhanghu.getM(money);
213                infile(zhanghu);
214            }
215        });
216        button3.addActionListener(new ActionListener()
217        {
218            public void actionPerformed(ActionEvent e){
219                try{
220                    while(true){
221                        toname = JOptionPane.showInputDialog(null,"请输入你要转入的帐户：");
222                        fl = new File(toname+".txt");
223                        //判断帐户是否存在
224                        if(!fl.exists()){
225                            System.out.println("对不起，您输入的帐户并不存在，请重新输入：");
226                            continue;
227                        }
228                        else{
229                            break;
230                        }
231                    }
232                    money2 = Integer.parseInt(JOptionPane.showInputDialog(null,"请输入你要转入的金额："));
233                    zhanghu.getM(money2);
234                    infile(zhanghu);
235                    BufferedReader reader = new BufferedReader(new FileReader( toname + ".txt"));
236                    password = reader.readLine();
237                    money3 = Integer.parseInt(reader.readLine());
238                    zhanghu2 = new ZhangHu(toname,password,money3);
239                    zhanghu2.setM(money2);
240                    infile(zhanghu2);
241                }catch(HeadlessException o){}catch(IOException p){}
242            }
243        });
244        button4.addActionListener(new ActionListener()
245        {
246            public void actionPerformed(ActionEvent e)
247            {
248                System.exit(0);
249            }
250        });
251        panel.setLayout(new GridLayout(6,1,50,5));
252        panel.add(label1);
253        panel.add(label2);
254        panel.add(button1);
255        panel.add(button2);
256        panel.add(button3);
257        panel.add(button4);
258
259        c.add(panel);
260        setSize(400,300);
261        setLocation(300,200);
262        setVisible(true);
263    }
264    public void infile(ZhangHu p){
265        try{
266            PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(p.getName()+".txt")));
267            writer.println(p.getPassword());
268            writer.println(p.getMoney());
269            writer.flush() ;
270        }catch(IOException e){}
271    }
272}
273
274 // 定义帐户类
275 class  ZhangHu  {
276    private String name;
277    private String password;
278    private int money;
279    ZhangHu(){
280        
281    }
282    ZhangHu(String name,String password, int money){
283        this.name = name;
284        this.password = password;
285        this.money = money;
286    }
287    public void setM(int a){
288        money = money + a;
289        try{
290            JOptionPane.showMessageDialog(null,"存储了"+a+"元，帐户"+name+"尚有余额"+money+"元");
291        }catch(HeadlessException E){}
292    }
293    public void getM(int a){
294        if(a > money){
295            try{
296                JOptionPane.showMessageDialog(null,"对不起，您的金额不足"+a+"元");
297            }catch(HeadlessException E){}
298        }
299        else{
300            money = money - a;
301            try{
302                JOptionPane.showMessageDialog(null,"取得了"+a+"元，帐户"+name+"尚有余额"+money+"元");
303            }catch(HeadlessException E){}
304        }
305    }
306    public String getName(){
307        return name;
308    }
309    public String getPassword(){
310        return password;
311    }
312    public int getMoney(){
313        return money;
314    }
315    public void setName(String name){
316        this.name = name;
317    }
318    public void setPassword(String password){
319        this.password = password;
320    }
321    public void setMoney(int money){
322        this.money = money;
323    }
324}
325
326 // 定义管理员类
327 class  Manager
328 {
329    public void add(){
330        String pw;
331        ZhangHu zh = new ZhangHu();
332        try{
333            zh.setName(JOptionPane.showInputDialog(null,"请输入您要添加的帐户名："));
334            zh.setPassword(JOptionPane.showInputDialog(null,"请输入您要设置的密码："));
335            while(true){
336                pw = JOptionPane.showInputDialog(null,"请再次输入密码：");
337                if ( zh.getPassword().equals(pw)){
338                    break;
339                }
340                else{
341                    zh.setPassword(JOptionPane.showInputDialog(null,"两次输入的密码不一致，请重新输入密码："));
342                    continue;
343                }
344            }
345            zh.setMoney(Integer.parseInt(JOptionPane.showInputDialog(null,"请输入您的金额：")));
346            PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(zh.getName()+".txt")));//创建文件
347            writer.println(zh.getPassword());
348            writer.println(zh.getMoney());
349            writer.flush() ;
350            JOptionPane.showMessageDialog(null,"帐户"+zh.getName()+"已经创建成功");
351        }catch(HeadlessException e){}catch(IOException c){}
352    }
353    public void del(){
354        String name = null;
355        try{
356            name = (JOptionPane.showInputDialog(null,"请输入您要删除的帐户名："));
357            while(true){
358                File fl = new File(name+".txt");
359                if(fl.exists()){
360                    fl.delete();
361                    JOptionPane.showMessageDialog(null,"帐户"+name+"删除成功");
362                    break;
363                }
364                else{
365                    name = JOptionPane.showInputDialog(null,"您所输入的帐户并不存在，请重新输入：");
366                }
367            }    
368        }catch(HeadlessException e){}
369    }
370    public void froze(){
371        ZhangHu zh = new ZhangHu();
372        String name = null;        
373        name = (JOptionPane.showInputDialog(null,"请输入您要冻结的帐户："));
374        try{
375            while(true){
376                File fl = new File(name+".txt");
377                if (fl.exists()){//如果该帐户存在，则读取该帐户的数据
378                    BufferedReader reader = new BufferedReader(new FileReader( name + ".txt"));
379                    zh.setPassword(reader.readLine());
380                    zh.setMoney(Integer.parseInt(reader.readLine()));
381                    File fr = new File("frozen");
382                    if(!fr.exists()){
383                        fr.mkdir();//创建一个此目录的文件夹
384                    }
385                    File frfl = new File(fr,name+".txt");
386                    PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(frfl)));
387                    writer.println(zh.getPassword());
388                    writer.println(zh.getMoney());
389                    writer.flush() ;
390                    fl.delete();
391                    JOptionPane.showMessageDialog(null,"帐户"+name+"冻结成功！");
392                    break;
393                }
394                else{
395                    name = JOptionPane.showInputDialog(null,"您所输入的帐户并不存在，请重新输入：");
396                }    
397            }
398        }catch(SecurityException e){}catch(HeadlessException e){}catch(IOException e){}
399    }
400}
401
402 // 自定义面扳类
403 class  MyPanel  extends  JPanel
404 {
405    public Insets insets()
406    {
407        return new Insets(40,40,40,40);
408    }
409}
410
411 // 主类
412 public   class  Bank_Test  {
413    public static void main(String[] args){
414        Login lg = new Login();
415        lg.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
416    }    
417}

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