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【C和C++】停车场系统

功能：

　　默认了最大车位3个

　　车牌号在10个字符以内

　　停车场满了进入辅助车道

　　出车借助辅助停车场实现了全车位出车

　　随时查看停车状态

更新：

　　参考了网上的函数

　　更新了界面，更新了进出车方式

　　为了保留最大信息，还原网上数据结构的大部分注释，保存最原始代码

　　优化错误判断，优化界面，优化注释

主函数：

main.c

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 #include "display.h"
 5 #include "structure.h"
 6 #include "function.h"
 7 
 8 int main()
 9 {
10   Stack park,temp_park;
11   Queue wait_line;
12   int tag;//for choose menu operation
13 
14   /////////////////INIT STRUCTURE///////////////////
15   InitStack(&park);
16   InitStack(&temp_park);
17   InitQueue(&wait_line);
18   /////////////////////////////////////////////////
19 
20   display_welcome();
21   int flag=1;//position of choose
22   while(flag)
23   {
24     display_menu();
25       scanf("%d",&tag);
26       if(tag<1||tag>4)//judge correction
27         {
28           display_error_number();break;
29         }
30       switch(tag)
31         {
32         case 1 :Arrival(&park,&wait_line);break;
33         case 2 :Leave(park,temp_park,wait_line);break;
34         case 3 :List(park,wait_line);break;
35         case 4 :exit(0);
36         default : flag=0;break;
37         }
38       display_menu();
39   }
40   return 0;
41 }

显示函数：

display.h

 1 #ifndef DISPLAY_H
 2 #define DISPLAY_H
 3 
 4 void display_welcome();
 5 void display_menu();
 6 void display_arrive_menu();
 7 void display_arrive_unfull();
 8 void display_arrive_full();
 9 void display_leave_menu();
10 void display_leave_car_info();
11 void display_leave_park_menu();
12 void display_leave_line_to_park();
13 void display_leave_line_menu();
14 void display_list_menu();
15 void display_list_park();
16 void display_list_line();//welcome menun
17 void display_line_menu();//welcome menun
18 void display_park_menu();
19 void display_error_number();
20 void display_uncar_line();
21 void display_uncar_park();
22 #endif

display.c

  1 #include<stdio.h>
  2 #include<stdlib.h>
  3 #include<string.h>
  4 #include "display.h"
  5 #include "structure.h"
  6 //////////////////////////////////////////////////////////////////////////////
  7 
  8 void display_welcome()
  9 {
 10   printf("this is parking system
");
 11   printf("you can enter any key to continue
");
 12   getchar();
 13   system("cls");
 14 }
 15 
 16 ///////////////////////////////////////////////////////////////////////////////
 17 
 18 ///////////////////////////////////////////////////////////////////////////////
 19 void display_menu()
 20 {
 21     printf("**************************************************
");
 22     printf("*         welcome to parking system              *
");
 23     printf("*                  menu:                         *
");
 24     printf("*     enter 1 to creat a car to parking          *
");
 25     printf("*     enter 2 to leave a car from system         *
");
 26     printf("*     enter 3 to listing all car position        *
");
 27     printf("*     enter 4 to exit system                     *
");
 28     printf("**************************************************
");
 29 }
 30 
 31 ////////////////////////////////////////////////////////////////////////////
 32 
 33 /////////////////////////////////////////////////////////////////////////////
 34 void display_arrive_menu(Elemtype *e)
 35 {
 36   printf("**************************************************
");
 37   printf("*     please enter car number like :BMW99:       *
");
 38   printf("		");
 39   scanf("%s",e->num);
 40   printf("**************************************************

");
 41 }
 42 
 43 ////////////////////////////////////////////////////////////////////////////////
 44 
 45 ////////////////////////////////////////////////////////////////////////////////
 46 
 47 void display_arrive_unfull(int count)
 48 {
 49     printf("**************************************************
");
 50     printf("*       car is parking in NO.%d lacation          *
",count);
 51     printf("**************************************************

");
 52 }
 53 
 54 ////////////////////////////////////////////////////////////////////////////
 55 
 56 ///////////////////////////////////////////////////////////////////////////
 57 
 58 void display_arrive_full()
 59 {
 60     printf("**************************************************
");
 61     printf("*      park is in full,car in wating line        *
");
 62     printf("**************************************************

");
 63 }
 64 
 65 //////////////////////////////////////////////////////////////////////////////
 66 
 67 //////////////////////////////////////////////////////////////////////////////
 68 
 69 void display_leave_menu()
 70 {
 71      printf("**************************************************
");
 72      printf("*     leave car in park or in first line         *
");
 73      printf("*     enter 1 to leave car in park               *
");
 74      printf("*     enter 2 to leave car in first line         *
");
 75      printf("*     enter 3 to exit leave car                  *
");
 76      printf("**************************************************

");
 77 }
 78 
 79 /////////////////////////////////////////////////////////////////////////////
 80 
 81 //////////////////////////////////////////////////////////////////////////////
 82 
 83 void display_error_number()
 84 {
 85     printf("**************************************************
");
 86     printf("*        error number enter again                *
");
 87     printf("**************************************************

");
 88 }
 89 
 90 //////////////////////////////////////////////////////////////////////////////
 91 
 92 //////////////////////////////////////////////////////////////////////////////
 93 
 94 void display_uncar_line()
 95 {
 96     printf("**************************************************
");
 97     printf("*       there is no car in the line              *
");
 98     printf("**************************************************

");
 99 }
100 
101 //////////////////////////////////////////////////////////////////////////////
102 
103 //////////////////////////////////////////////////////////////////////////////
104 
105 void display_uncar_park()
106 {
107      printf("**************************************************
");
108      printf("*         there is no car in the park            *
");
109      printf("**************************************************

");
110 }
111 
112 //////////////////////////////////////////////////////////////////////////////
113 
114 //////////////////////////////////////////////////////////////////////////////
115 
116 void display_list_menu()
117 {
118       printf("**************************************************
");
119       printf("*           please select:                       *
");
120       printf("*     enter 1 to look all parking car            *
");
121       printf("*     enter 2 to look all line car               *
");
122       printf("*     enter 3 to exit look list system           *
");
123       printf("**************************************************

");
124 }
125 
126 //////////////////////////////////////////////////////////////////////////////
127 
128 //////////////////////////////////////////////////////////////////////////////
129 
130 void display_park_menu()
131 {
132     printf("**************************************************
");
133     printf("*             parking listing:                   *
");
134     printf("**************************************************

");
135 }
136 
137 //////////////////////////////////////////////////////////////////////////////
138 
139 //////////////////////////////////////////////////////////////////////////////
140 
141 void display_line_menu()
142 {
143     printf("**************************************************
");
144     printf("*              line listing:                     *
");
145     printf("**************************************************

");
146 }
147 
148 //////////////////////////////////////////////////////////////////////////////
149 
150 //////////////////////////////////////////////////////////////////////////////
151 
152 void display_leave_car_info(Elemtype *e)
153 {
154   printf("
");
155   printf("**************************************************
");
156   printf("*       car is leave,the car num is              *
");
157   printf("*                  %s                             *
",e->num);
158   printf("**************************************************

");
159 }
160 //////////////////////////////////////////////////////////////////////////////
161 
162 //////////////////////////////////////////////////////////////////////////////
163 void display_leave_park_menu(int count)
164 {
165             printf("**************************************************
");
166             printf("*         parking car number is %d               *
",count);
167             printf("*   please choose a parking number to leave      *
");
168             printf("**************************************************

");
169 }
170 
171 //////////////////////////////////////////////////////////////////////////////
172 
173 //////////////////////////////////////////////////////////////////////////////
174 
175 void display_leave_line_to_park(int count,Elemtype *temp_parking)
176 {
177             printf("**************************************************
");
178             printf("             car number:%s                       
",temp_parking->num);
179             printf("*            car is leaving line                 *
");
180             printf("*            car is in parking No. %d location   *
",count);
181             printf("**************************************************

");
182 }
183 
184 //////////////////////////////////////////////////////////////////////////////
185 
186 //////////////////////////////////////////////////////////////////////////////
187 
188 void display_leave_line_menu(Elemtype *line_parking)
189 {
190     printf("**************************************************
");
191     printf("              car number is %s                   
",line_parking->num);
192     printf("*             car is leaving line                *
");
193     printf("*             car leave line successful          *
");
194     printf("**************************************************

");
195 }
196 
197 //////////////////////////////////////////////////////////////////////////////
198 
199 //////////////////////////////////////////////////////////////////////////////
200 
201 void display_list_park(char ch[],int i)
202 {
203       printf("**************************************************
");
204       printf("          location No.%d
",i);
205       printf("          car number is %s
",ch);
206       printf("**************************************************

");
207 }
208 
209 //////////////////////////////////////////////////////////////////////////////
210 
211 //////////////////////////////////////////////////////////////////////////////
212 
213 void display_list_line(char ch[])
214 {
215         printf("**************************************************
");
216         printf("           car number is %s
",ch);
217         printf("**************************************************

");
218 }
219 
220 //////////////////////////////////////////////////////////////////////////////

功能函数：

function.h

 1 #ifndef FUNCTION_H
 2 #define FUNCTION_H
 3 void Listpark();
 4 void Listline();
 5 void List();
 6 void Leaveline();
 7 void Leavepark();
 8 int Leave();
 9 int Arrival();
10 #endif // FUNCTION_H

function.c

  1 #include<stdio.h>
  2 #include<stdlib.h>
  3 #include<string.h>
  4 #include "display.h"
  5 #include "structure.h"
  6 #include "function.h"
  7 ///////////////////////////////////////////////////////////////////////////
  8 void Listpark(Stack *S)
  9  {
 10   int i;
 11   if(S->top>0) //judge whether car in parking
 12   {
 13     display_park_menu();
 14     for(i=1;i<=S->top;i++)
 15     {
 16         char ch[10];
 17         strcpy(ch,S->stack[i]->num);
 18         display_list_park(ch,i);
 19 
 20     }
 21   }
 22   else
 23     {
 24         display_uncar_park();
 25     }
 26 }
 27 /////////////////////////////////////////////////////////////////////////////////////
 28 
 29  void Listline(Queue *Q) //list display car of position in line
 30  {
 31     Line_car *p;
 32     p=Q->head->next;
 33 
 34     if(Q->head!=Q->rear) //judge whether have car in line
 35     {
 36       display_line_menu();
 37       while(p!=NULL)
 38       {
 39 
 40         char ch[10];//creat a string
 41         strcpy(ch,p->ptr_car->num);
 42         display_list_line(ch);
 43         p=p->next;
 44       }
 45     }
 46     else
 47     {
 48         display_uncar_line();
 49     }
 50   }
 51 
 52 //////////////////////////////////////////////////////////////////////////////
 53 
 54 void List(Stack S,Queue Q)
 55  {
 56     int flag,tag;
 57     flag=1;
 58     while(flag)
 59     {
 60 
 61       display_list_menu();
 62       scanf("%d",&tag);
 63       switch(tag)
 64       {
 65       case 1:Listpark(&S);break; //listing imformation of park
 66       case 2:Listline(&Q);break; //listing imformation of line
 67       case 3:flag=0;break;
 68       default: display_error_number();display_list_menu();break;
 69       }
 70     }
 71 }
 72 
 73 //////////////////////////////////////////////////////////////////////////////
 74 
 75 void Leavepark(Stack *S,Stack *Ts,Queue *Q)
 76 {
 77 
 78         int park_where;
 79         Elemtype *parking,*temp_parking;
 80         Line_car *q;
 81         if(S->top>0) //if have car in park
 82         {
 83           while(1) //enter information of car of leave
 84           {
 85             Listpark(S);
 86             int count=S->top;
 87             display_leave_park_menu(count);
 88             printf("		");
 89             scanf("%d",&park_where);
 90             if(park_where>=1&&park_where<=S->top)//if uncorrection enter
 91                 {
 92                     break;
 93                 }
 94             else
 95             {
 96                 display_error_number();
 97                 display_leave_park_menu(S);
 98                 printf("		");
 99                 scanf("%d",&park_where);
100             }
101           }
102         while(S->top>park_where) //leave car
103           {
104              Ts->top++;
105              Ts->stack[Ts->top]=S->stack[S->top];
106              S->stack[S->top]=NULL;
107              S->top--;
108           }
109          parking=S->stack[S->top];
110          S->stack[S->top]=NULL;
111          S->top--;
112          while(S->top>=1)
113          {
114            S->top++;
115            S->stack[S->top]=Ts->stack[Ts->top];
116            Ts->stack[Ts->top]=NULL;
117            Ts->top--;
118          }
119           display_leave_car_info(parking);
120           //jugde position of car in line for enter car to park from line
121           if((Q->head!=Q->rear)&&S->top<MAX)//enter car to park from line
122           {
123             q=Q->head->next;
124             temp_parking=q->ptr_car;
125             S->top++;
126             int count=S->top;
127             display_leave_line_to_park(count,temp_parking);
128             Q->head->next=q->next;
129            if(q==Q->rear) Q->rear=Q->head;//change positon of Queue stuctre
130            S->stack[S->top]=temp_parking;
131            free(q);
132           }
133           else
134           {
135               display_uncar_line();
136             }
137         }
138         else
139         {
140             display_uncar_park();
141         }
142 }
143 ////////////////////////////////////////////////////////////
144 
145 void Leaveline(Queue *Q)//only fisrt car in line permitted leave
146 {
147   Line_car *q;
148   Elemtype *line_parking;
149   if(Q->head!=Q->rear)
150   {
151     q=Q->head->next;
152     line_parking=q->ptr_car;
153     display_leave_line_menu(line_parking);
154     Q->head->next=q->next;
155     if(q==Q->rear) Q->rear=Q->head;//change Queue position
156     free(q);
157   }
158   else
159   {
160       display_uncar_line();
161   }
162 }
163 
164 ////////////////////////////////////////////////////////////
165 
166 int Leave(Stack S,Stack Ts,Queue Q)//toatal leave function that linked with two choice
167 {
168   int i;
169   while(1)
170   {
171      display_leave_menu();
172      while(1)
173      {
174        scanf("%d",&i);
175         switch(i)//menue
176         {
177          case 1 :Leavepark(&S,&Ts,&Q);break;
178          case 2 :Leaveline(&Q);break;
179          case 3 :return 0;
180          default : display_error_number();break;
181        }
182      display_leave_menu();
183     }
184   }
185   return 0;
186 }
187 
188 //////////////////////////////////////////////////////////////
189 
190 int Arrival(Stack *S,Queue *Q)
191 {
192   Elemtype *e;
193   Line_car *q;
194   e=(Elemtype*)malloc(sizeof(Elemtype));
195   fflush(stdin);
196   display_arrive_menu(e);
197   if(S->top<MAX) //parking is unfull,car into parking
198   {
199     S->top++;
200     int count;
201     count=S->top;
202     display_arrive_unfull(count);
203     S->stack[S->top]=e;
204     return(1);
205   }
206     else //parking is full,car into line
207     {
208     display_arrive_full();
209     q=(Line_car*)malloc(sizeof(Line_car));
210     q->ptr_car=e;
211     q->next=NULL;
212     Q->rear->next=q;
213     Q->rear=q;
214     return(1);
215     }
216 }
217 
218 ////////////////////////////////////////////////////////////////

结构体函数：

structure.h

 1 #ifndef STRUCTURE_H
 2 #define STRUCTURE_H
 3 #define MAX 3
 4 typedef struct
 5 {
 6   char num[10];
 7 }Elemtype;//information of Car
 8 
 9 typedef struct
10 {
11   Elemtype *stack[MAX+1];
12   int top;
13 }Stack;//paking structure
14 
15 typedef struct
16 {
17   Elemtype *ptr_car;
18   struct Line_car *next;
19 }Line_car;//car in line structure
20 
21 typedef struct
22 {
23   Line_car *head;
24   Line_car *rear;
25 }Queue;//waiting line structure
26 
27 void InitStack();
28 int InitQueue();
29 
30 #endif

structure.c

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 #include "structure.h"
 5 //////////////////////////////////////////////////////////////////////////////
 6 
 7 void InitStack(Stack *S)
 8 {
 9   int i;
10   S->top=0;
11   for(i=0;i<=MAX;i++)
12   S->stack[S->top]=NULL;
13 }
14 
15 //////////////////////////////////////////////////////////////////////////////
16 
17 int InitQueue(Queue *Q) 
18 {
19   Q->head=malloc(sizeof(Queue));
20   if(Q->head!=NULL)
21   {
22     Q->head->next=NULL;
23     Q->rear=Q->head;
24     return(1);
25   }
26     else return(-1);
27 }
28 
29 //////////////////////////////////////////////////////////////////////////////

最原始代码：

  2 #include<stdio.h>
  3 #include<stdlib.h>
  4 #include<string.h>
  5 #include "display.h"
  6 #define MAX 3//store paking
  7 
  8 typedef struct
  9 {
 10   char num[10];
 11 }Elemtype;//information of Car
 12 
 13 typedef struct
 14 {
 15   Elemtype *stack[MAX+1];
 16   int top;
 17 }Stack;//paking station
 18 
 19 typedef struct
 20 {
 21   Elemtype *ptr_car;
 22   struct Line_car *next;
 23 }Line_car;
 24 
 25 typedef struct
 26 {
 27   Line_car *head;
 28   Line_car *rear;
 29 }Queue;//waiting line
 30 
 31 void InitStack(Stack *);
 32 int InitQueue(Queue *);
 33 int Arrival(Stack *,Queue *);
 34 void Leaveline(Queue *Q);
 35 void Leavepark(Stack *S,Stack *Ts,Queue *Q);
 36 int Leave(Stack ,Stack ,Queue );
 37 void Listpark(Stack *S);
 38 void List(Stack ,Queue );
 39 
 40 int main()
 41 {
 42   Stack park,temp_park;
 43   Queue wait_line;
 44   int select;
 45   InitStack(&park);
 46   InitStack(&temp_park);
 47   InitQueue(&wait_line);
 48   printf("this is parking system
");
 49   printf("you can enter any key to continue
");
 50   getch();
 51   system("cls");
 52   while(1)
 53   {
 54     printf("**************************************************
");
 55     printf("*         welcome to parking system              *
");
 56     printf("*                  menu:                         *
");
 57     printf("*     enter 1 to creat a car to parking          *
");
 58     printf("*     enter 2 to leave a car from system         *
");
 59     printf("*     enter 3 to listing all car position        *
");
 60     printf("*     enter 4 to exit system                     *
");
 61     printf("**************************************************
");
 62     while(1)
 63     {
 64       scanf("%d",&select);
 65       if(select<1||select>4)
 66         {
 67           printf("error number enter again
");break;
 68         }
 69       switch(select)
 70         {
 71         case 1 :Arrival(&park,&wait_line);break;
 72         case 2 :Leave(park,temp_park,wait_line);break;
 73         case 3 :List(park,wait_line);break;
 74         case 4 :exit(0);
 75         default : break;
 76         }
 77     printf("**************************************************
");
 78     printf("*         welcome to parking system              *
");
 79     printf("*                  menu:                         *
");
 80     printf("*     enter 1 to creat a car to parking          *
");
 81     printf("*     enter 2 to leave a car from system         *
");
 82     printf("*     enter 3 to listing all car position        *
");
 83     printf("*     enter 4 to exit system                     *
");
 84     printf("**************************************************
");
 85      }
 86     }
 87   return 0;
 88 }
 89 
 90 void InitStack(Stack *S)
 91 {
 92   int i;
 93   S->top=0;
 94   for(i=0;i<=MAX;i++)
 95   S->stack[S->top]=NULL;
 96 }
 97 
 98 int InitQueue(Queue *Q) 
 99 {
100   Q->head=/*(Queue *)*/malloc(sizeof(Queue));
101   if(Q->head!=NULL)
102   {
103     Q->head->next=NULL;
104     Q->rear=Q->head;
105     return(1);
106   }
107     else return(-1);
108 }
109 
110 void PRINT(Elemtype *e)
111 {
112   printf("
");
113   printf("**************************************************
");
114   printf("*       car is leave,the car num is              *
");
115   printf("*                  %s                             *
",e->num);
116   printf("**************************************************
");
117 }
118 
119 int Arrival(Stack *S,Queue *Q)
120 {
121   Elemtype *e;
122   Line_car *q;
123   e=(Elemtype*)malloc(sizeof(Elemtype));
124   /*flushall();*/
125   printf("**************************************************
");
126   printf("*     please enter car number like :BMW99:       *
");
127   printf("		");
128   scanf("%s",e->num);
129   printf("**************************************************
");
130   if(S->top<MAX) /*车场未满，车进车场*/
131   {
132     S->top++;
133     printf("**************************************************
");
134     printf("*       car is parking in no.%d lacation         *
",S->top);
135     printf("**************************************************
");
136     S->stack[S->top]=e;
137     return(1);
138   }
139     else /*车场已满，车进便道*/
140     { printf("**************************************************
");
141       printf("*      park is in full,car in wating line        *
");
142       printf("**************************************************
");
143     q=(Line_car*)malloc(sizeof(Line_car));
144     q->ptr_car=e;
145     q->next=NULL;
146     Q->rear->next=q;
147     Q->rear=q;
148     return(1);
149     }
150 }
151 
152 int Leave(Stack S,Stack Ts,Queue Q)/*车辆离开*/
153 {
154   int i;
155   /*判断车场内是否有车*/
156 
157   while(1)
158   {
159      printf("**************************************************
");
160      printf("*     leave car in park or in first line         *
");
161      printf("*     enter 1 to leave car in park               *
");
162      printf("*     enter 2 to leave car in first line         *
");
163      printf("*     enter 3 to exit leave car                  *
");
164      printf("**************************************************
");
165      while(1)
166      {
167        scanf("%d",&i);
168        if(i<1||i>3)
169           {
170               printf("**************************************************
");
171               printf("*        error number enter again                *
");
172               printf("**************************************************
");
173               break;
174          }
175         switch(i)
176         {
177          case 1 :Leavepark(&S,&Ts,&Q);break;
178          case 2 :Leaveline(&Q);break;
179          case 3 :return 0;
180          default : break;
181        }
182      printf("**************************************************
");
183      printf("*     leave car in park or in first line         *
");
184      printf("*     enter 1 to leave car in park               *
");
185      printf("*     enter 2 to leave car in first line         *
");
186      printf("*     enter 3 to exit leave car                  *
");
187      printf("**************************************************
");
188     }
189   }
190   return 0;
191 }
192 
193 void Leavepark(Stack *S,Stack *Ts,Queue *Q)
194 {
195 
196         int park_where;
197         Elemtype *parking,*temp_parking;
198         Line_car *q;
199         if(S->top>0) /*有车*/
200         {
201           while(1) /*输入离开车辆的信息*/
202           {
203             Listpark(S);
204             printf("**************************************************
");
205             printf("*         parking car number is %d               *
",S->top);
206             printf("*   please choose a parking number to leave      *
");
207             printf("		");
208             scanf("%d",&park_where);
209             printf("**************************************************
");
210             if(park_where>=1&&park_where<=S->top) break;
211           }
212         while(S->top>park_where) /*车辆离开*/
213           {
214              Ts->top++;
215              Ts->stack[Ts->top]=S->stack[S->top];
216              S->stack[S->top]=NULL;
217              S->top--;
218           }
219          parking=S->stack[S->top];
220          S->stack[S->top]=NULL;
221          S->top--;
222          while(S->top>=1)
223          {
224            S->top++;
225            S->stack[S->top]=Ts->stack[Ts->top];
226            Ts->stack[Ts->top]=NULL;
227            Ts->top--;
228          }
229           PRINT(parking);
230           /*判断通道上是否有车及车站是否已满*/
231           if((Q->head!=Q->rear)&&S->top<MAX) /*便道的车辆进入车场*/
232           {
233             q=Q->head->next;
234             temp_parking=q->ptr_car;
235             S->top++;
236             printf("**************************************************
");
237             printf("             car number:%s                       
",temp_parking->num);
238             printf("*            car is leaving line                 *
");
239             printf("*            car is in parking No. %d location   *
",S->top);
240             printf("*            car is parking successful           *
");
241             printf("**************************************************
");
242             Q->head->next=q->next;
243            if(q==Q->rear) Q->rear=Q->head;
244            S->stack[S->top]=temp_parking;
245            free(q);
246           }
247           else
248           {
249               printf("**************************************************
");
250               printf("*       there is no car in the line              *
");
251               printf("**************************************************
");
252             }
253         }
254         else
255         {
256             printf("**************************************************
");
257             printf("*         there is no car in the park            *
");
258             printf("**************************************************
");
259         } /*没车*/
260 }
261 
262 void Leaveline(Queue *Q)
263 {
264   Line_car *q;
265   Elemtype *line_parking;
266   if(Q->head!=Q->rear)
267   {
268     q=Q->head->next;
269     line_parking=q->ptr_car;
270     printf("**************************************************
");
271     printf("*             car number is %s                   *
",line_parking->num);
272     printf("*             car is leaving line                *
");
273     printf("*             car leave line successful          *
");
274     printf("**************************************************
");
275     Q->head->next=q->next;
276     if(q==Q->rear) Q->rear=Q->head;
277     free(q);
278   }
279   else
280   {
281       printf("**************************************************
");
282       printf("*           there is no car in the line          *
");
283       printf("**************************************************
");
284   }
285 }
286 
287 void Listpark(Stack *S) /*列表显示车场信息*/
288  {
289   int i;
290   if(S->top>0) /*判断车站内是否有车*/
291   {
292     printf("**************************************************
");
293     printf("*             parking listing:                   *
");
294     printf("**************************************************
");
295     for(i=1;i<=S->top;i++)
296     {
297       printf("**************************************************
");
298       printf("          location No.%d
",i);
299       printf("           car number is %s
",S->stack[i]->num);
300       printf("**************************************************
");
301     }
302   }
303   else
304     {
305         printf("**************************************************
");
306         printf("*        there is no car in the park             *
");
307         printf("**************************************************
");
308     }
309 }
310 
311  void Listline(Queue *Q) /*列表显示便道信息*/
312  {
313     Line_car *p;
314     p=Q->head->next;
315     if(Q->head!=Q->rear) /*判断通道上是否有车*/
316     {
317       printf("**************************************************
");
318       printf("*             line listing:                      *
");
319       printf("**************************************************
");
320       while(p!=NULL)
321       {
322         printf("**************************************************
");
323         printf("           car number is %s
",p->ptr_car->num);
324         printf("**************************************************
");
325         p=p->next;
326       }
327     }
328     else
329     {
330         printf("**************************************************
");
331         printf("*         there is no car in the line            *
");
332         printf("**************************************************
");
333     }
334   }
335 
336 
337 void List(Stack S,Queue W)
338  {
339     int flag,tag;
340     flag=1;
341     while(flag)
342     {
343       printf("**************************************************
");
344       printf("*           please select:                       *
");
345       printf("*     enter 1 to look all parking car            *
");
346       printf("*     enter 2 to look all line car               *
");
347       printf("*     enter 3 to exit look list system           *
");
348       printf("**************************************************
");
349       while(1)
350       {
351         scanf("%d",&tag);
352         if(tag>=1||tag<=3) break;
353         else
354         {
355       printf("**************************************************
");
356       printf("*           please select:                       *
");
357       printf("*     enter 1 to look all parking car            *
");
358       printf("*     enter 2 to look all line car               *
");
359       printf("*     enter 3 to exit look list system           *
");
360       printf("**************************************************
");
361         }
362       }
363       switch(tag)
364       {
365       case 1:Listpark(&S);break; /*列表显示车场信息*/
366       case 2:Listline(&W);break; /*列表显示便道信息*/
367       case 3:flag=0;break;
368       default: break;
369       }
370     }
371 }

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原文地址：https://www.cnblogs.com/guangluwutu/p/4271102.html