Posted on 2006-10-26 08:15
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JavaTest
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
7import java.io.*;
8import java.awt.*;
9import javax.swing.*;
10import java.awt.event.*;
11import javax.swing.JPanel.*;
12
13//login applicatiion
14class 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
107class 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
173class 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
275class 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
327class 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
403class MyPanel extends JPanel
404{
405 public Insets insets()
406 {
407 return new Insets(40,40,40,40);
408 }
409}
410
411//主类
412public class Bank_Test {
413 public static void main(String[] args){
414 Login lg = new Login();
415 lg.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
416 }
417} 欢迎来访！^.^!
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