1 #include <stdio.h>
2
3 #include <stdlib.h>
4
5 #include <stdbool.h>
6
7
8
9 int password = 123456;
10
11 int balance = 10000;
12
13 bool isLogined = false;
14
15
16
17 void alert(char *content);
18
19 int getValidOperation(int maxNum);
20
21 void quit(int status);
22
23 void query();
24
25 void isContinue();
26
27 bool inputPassword();
28
29 void takeMoney();
30
31 void changePsw();
32
33
34
35
36
37 int main(int argc, const char * argv[]) {
38
39
40
41 bool result;
42
43
44
45 while (1) {
46
47 alert("1.输入密码\n2.取款\n3.查询余额\n4.更改密码\n5.退出");
48
49 int operation = INT32_MAX;
50
51 operation = getValidOperation(5);
52
53 switch (operation) {
54
55 //1.输入密码
56
57 case 1:
58
59 result = inputPassword();
60
61 if (result == false) {
62
63 quit(EXIT_SUCCESS);
64
65 }else{
66
67 isLogined = true;
68
69 }
70
71 break;
72
73 //2.取款
74
75 case 2:
76
77 takeMoney();
78
79 isContinue();
80
81 break;
82
83
84
85 //3.查询余额
86
87 case 3:
88
89 query();
90
91 isContinue();
92
93 getchar();
94
95 break;
96
97 //4.更改密码
98
99 case 4:
100
101 changePsw();
102
103 break;
104
105 //5.退出
106
107 case 5:
108
109 quit(EXIT_SUCCESS);
110
111 default:
112
113 break;
114
115 }
116
117 printf("\n");
118
119
120
121 }
122
123 return 0;
124
125 }
126
127
128
129 void alert(char *content){
130
131 printf("****************\n");
132
133 printf("%s\n", content);
134
135 printf("****************\n");
136
137 }
138
139
140
141 int getValidOperation(int maxNum){
142
143 int operation;
144
145
146
147 printf("选一个吧:");
148
149 scanf("%d", &operation);
150
151
152
153 while (operation < 1 || operation > maxNum) {
154
155 printf("别搞笑，好好输：");
156
157 getchar();
158
159 scanf("%d", &operation);
160
161 }
162
163 return operation;
164
165 }
166
167
168
169 void quit(int status){
170
171 alert("拔卡！拔卡！拔卡！");
172
173 exit(status);
174
175 }
176
177
178
179
180
181 void query(){
182
183 if (isLogined == false) {
184
185 bool result = inputPassword();
186
187 if (result == false) {
188
189 quit(EXIT_SUCCESS);
190
191 }else {
192
193 isLogined = true;
194
195 }
196
197 }else{
198
199 printf("****************\n");
200
201 printf("你还有￥%d\n", balance);
202
203 printf("****************\n");
204
205 }
206
207 }
208
209
210
211 void isContinue(){
212
213 char choose;
214
215
216
217 alert("继续不？(y/n)：");
218
219 getchar();
220
221 scanf("%c", &choose);
222
223
224
225 while (choose != 'y' && choose != 'n') {
226
227 printf("好好输！(y/n)\n");
228
229 getchar();
230
231 scanf("%c", &choose);
232
233 }
234
235 if (choose == 'n') {
236
237 quit(EXIT_SUCCESS);
238
239 }
240
241 }
242
243
244
245
246
247 bool inputPassword(){
248
249 int inputedpassword = INT32_MAX;
250
251 int totalWrongTime = 3;
252
253
254
255 do {
256
257 printf("%s", inputedpassword == INT32_MAX ? "密码是啥：": "别骗我！密码是啥：");
258
259 getchar();
260
261 scanf("%d", &inputedpassword);
262
263
264
265 totalWrongTime--;
266
267 } while (inputedpassword != password && totalWrongTime > 0);
268
269
270
271 if (inputedpassword != password) {
272
273 return false;
274
275 }else{
276
277 return true;
278
279 }
280
281 }
282
283
284
285
286
287 void takeMoney(){
288
289 if (isLogined == true) {
290
291 int totalMoney;
292
293 int num2_1;
294
295 alert("1.￥100\n2.￥300\n3.￥500\n4.其他金额");
296
297 num2_1 = getValidOperation(4);
298
299 switch (num2_1) {
300
301 case 1:
302
303 totalMoney = 100;
304
305 break;
306
307 case 2:
308
309 totalMoney = 300;
310
311 break;
312
313 case 3:
314
315 totalMoney = 500;
316
317 break;
318
319 case 4:
320
321 printf("取多少：");
322
323 scanf("%d", &totalMoney);
324
325 break;
326
327 default:
328
329 break;
330
331 }
332
333 if (totalMoney <= balance) {
334
335 printf("\n您的余额为：￥%d\n \n", balance -= totalMoney);
336
337 }else {
338
339 printf("\n穷B，钱不够！\n \n");
340
341 }
342
343
344
345 }else{
346
347 bool result = inputPassword();
348
349 if (result == false) {
350
351 quit(EXIT_SUCCESS);
352
353 }else {
354
355 isLogined = true;
356
357 }
358
359
360
361 }
362
363 }
364
365
366
367
368
369
370
371 void changePsw(){
372
373 if (isLogined == false) {
374
375 bool result = inputPassword();
376
377 if (result == false) {
378
379 quit(EXIT_SUCCESS);
380
381 }else {
382
383 isLogined = true;
384
385 }
386
387 }else{
388
389 printf("输入新密码：\n");
390
391 scanf("%d", &password);
392
393 }
394
395 }
396
397
398
399
