c语言《公交一卡通》实例_公交一卡通在线

c语言《公交一卡通》实例由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“公交一卡通在线”。

本程序出自 谭浩强主编。崔武子 等编著的《C语言程序设计》一书的第159页。

#include void menu();void addnew(int *pnum,int *pmoney,int *pbalance,int *pflag,int *num);int findcard(int *pnum,int *pflag,int cardnumber,int num);void logout(int *pnum,int *pmoney,int *pbalance,int *pflag,int *num);void modify(int *pnum,int *pmoney,int *pbalance,int *pflag,int num);void readcard(int *pnum,int *pmoney,int *pbalance,int *pflag,int num);void savemoney(int *pnum,int *pmoney,int *pbalance,int *pflag,int num);void statmax(int *pnum,int *pmoney,int *pbalance,int num);void displayall(int *pnum,int *pmoney,int *pbalance,int *pflag,int num);void exitout();

main(){

int num=0;

int cnum[20]={0},cmoney[20]={0},cbalance[20]={0},flag[20]={0};

char choose='';

menu();

while(1)

{

printf(“nnnn”);

printf(“ntt||--------||”);

printf(“ntt||----------Please input(0-8)------------||”);

printf(“ntt||--------||”);

printf(“ntt|

1.Add new Card

|”);

printf(“ntt|

2.Logout Card

|”);

printf(“ntt|

3.Modify Card

|”);

printf(“ntt|

4.Read card

|”);

printf(“ntt|

5.Save money

|”);

printf(“ntt|

6.Stat.max money

|”);

printf(“ntt|

7.Display

|”);

printf(“ntt|

8.Delete Data File

|”);

printf(“ntt|

0.Exit

|”);

printf(“ntt|----------|”);

printf(“ntt”);

scanf(“%c”,&choose);

switch(choose)

{

case'1':addnew(cnum,cmoney,cbalance,flag,&num);

break;

case'2':logout(cnum,cmoney,cbalance,flag,&num);

break;

case'3':modify(cnum,cmoney,cbalance,flag,num);

break;

case'4':readcard(cnum,cmoney,cbalance,flag,num);

break;

case'5':savemoney(cnum,cmoney,cbalance,flag,num);

break;

case'6':statmax(cnum,cmoney,cbalance,num);

break;

case'7':displayall(cnum,cmoney,cbalance,flag,num);

break;

case'8':printf(“ntYou select 8```”);

getch();

break;

case'0':exitout();

break;

default:printf(“ntYou input error.Please input again.”);

getch();

}

} } void menu(){

clrscr();

printf(“ntt||=======================================||”);

printf(“ntt||--------||”);

printf(“ntt||-------------Welcome-------------------||”);

printf(“ntt||----------use bus traffic--------------||”);

printf(“ntt||--------------Card---------------------||”);

printf(“ntt||--------||”);

printf(“ntt||=======================================||”);

getch();} void addnew(int *pnum,int *pmoney,int *pbalance,int *pflag,int *num){

int i=0,cardnumber=0,cardmoney=0;

for(i=0;i

if(pflag[i]==1)

break;

cardnumber=i;

printf(“ntHow much money you want to save in your card”);

scanf(“%d”,&cardmoney);

*(pnum+cardnumber)=cardnumber+1;

*(pmoney+cardnumber)=cardmoney;

*(pbalance+cardnumber)=cardmoney;

*(pflag+cardnumber)=0;

if(cardnumber==*num)

(*num)++;

printf(“nt|--%5d--|--%5d--|--%5d--|”,*(pmoney+i),*(pbalance+i));

getch();}

void logout(int *pnum,int *pmoney,int *pbalance,int *pflag,int *num){

int f=0,cardnumber=0;

char choose='';

printf(“ntPlease input your card number:”);

scanf(“%d”,&cardnumber);

f=findcard(pnum,pflag,cardnumber,*num);

if(f==-1)

{

printf(“ntNo find the card.”);

getch();

}

else

{

printf(“ntReturu you balance money:%d.”,*(pbalance+f));

do

{

printf(“nntAre you sure logout the card(y/n)?”);

scanf(“%c”,&choose);

}

while(choose!='y' && choose!='y' && choose!='N' && choose!='n');

if(choose=='y' || choose=='y')

{

*(pmoney+f)=0;

*(pbalance+f)=0;

*(pflag+f)=1;

}

} }

int findcard(int *pnum,int *pflag,int cardnumber,int num){

int i=0;

for(i=0;i

if(pnum[i]==cardnumber && pflag[i]!=1)

return i;

return-1;

}

void modify(int *pnum,int *pmoney,int *pbalance,int *pflag,int num){

int f=0,cardnumber=0,cardmoney=0,balance=0;

char choose='';

printf(“ntPlease input card number that you want to modify:”);

scanf(“%d”,&cardnumber);

f=findcard(pnum,pflag,cardnumber,num);

if(f==-1)

{

printf(“ntNo find the card.”);

getch();

}

else

{

while(1);

{

clrscr();

printf(“ntt------------”);

printf(“ntt

please input modify Item

”);

printf(“ntt------------”);

printf(“ntt------------1.save money------------------”);

printf(“ntt------------2.balance money---------------”);

printf(“ntt------------3.Return----------------------”);

printf(“ntt------------”);

scanf(“%c”,&choose);

switch(choose)

{

case'1':

printf(“ntPlease input new save money:”);

scanf(“%d%”,&cardmoney);

*(pbalance+f)+=cardmoney-*(pmoney+f);

*(pmoney+f)=cardmoney;

break;

case'2':

printf(“ntPlease input new balance money:”);

scanf(“%d%”,&balance);

*(pbalance+f)=balance;

break;

case'3':

break;

default:

printf(“ntInput error, Please input again!”);

getch();

continue;

}

}

} }

void readcard(int *pnum,int *pmoney,int *pbalance,int *pflag,int num){

int f=0,ticket=0,symbol=0,stops=0,cardnumber=0;

printf(“ntPlease input your card number:”);

scanf(“%d”,&cardnumber);

if(f==-1)

{

printf(“ntNo find the card.”);

getch();

}

else

{

while(symbol==0)

{

printf(“ntHow many you want to take bus stops:”);

scanf(“%d”,&stops);

if(stops30)

{

printf(“ntInput error.Please input again.”);

getch();

}

else if(stops

{

ticket=1;

symbol=1;

}

else if(stops

{

ticket=2;

symbol=1;

}

else if(stops

{

ticket=3;

symbol=1;

}

else if(stops

{

ticket=4;

symbol=1;

}

else if(stops

{

ticket=5;

symbol=1;

}

}

if(*(pbalance+f)>=ticket)

{

printf(“ntBefore:”);

printf(“cnum:%5d cmoner:%5d cbalance:%5d”,*(pnum+f),*(pmoney+f),*(pbalance+f));

*(pbalance+f)-=ticket;

printf(“ntAfter:”);

printf(“cnum:%5d cmoner:%5d cbalance:%5d”,*(pnum+f),*(pmoney+f),*(pbalance+f));

getch();

}

else

{

printf(“ntYour card balance money is not enough.Please use cash.”);

getch();

}

} }

void savemoney(int *pnum,int *pmoney,int *pbalance,int *pflag,int num){

int f=0,cardnumber=0,cardmoney=0;

printf(“ntPlease input your card number:”);

scanf(“%d”,&cardnumber);

f=findcard(pnum,pflag,cardnumber,num);

if(f==-1)

{

printf(“ntNO find the card.”);

getch();

}

else

{

do

{

printf(“ntPlease input you want to save money in the card:”);

scanf(“%d”,&cardmoney);

if(cardmoney

printf(“ntInput error.Please input again.”);

}while(cardmoney

*(pmoney+f)=cardmoney;

*(pbalance+f)+=cardmoney;

printf(“ntYour card have already saved money:%5d.”,cardmoney);

printf(“ntcnum:%5d cmoney:%5d cbalance:%5d”,*(pnum+f),*(pmoney+f),*(pbalance+f));

getch();

} }

void statmax(int *pnum,int *pmoney,int *pbalance,int num){

int i=0,maxindex=0;

maxindex=0;

for(i=1;i

if(*(pmoney+maxindex)

maxindex=i;

printf(“ntMax save money is:%d.”,*(pmoney+maxindex));

printf(“ntcnum:%5d cmoney:%5d cbalance:%5d”,*(pnum+maxindex),*(pmoney+maxindex),*(pbalance+maxindex));

getch();}

void displayall(int *pnum,int *pmoney,int *pbalance,int *pflag,int num){

int i=0;

clrscr();

printf(“nt|--------|”);

printf(“nt|--Cardnum--|--Savvemoney--|--Balance--|”);

for(i=0;i

{

if(*(pflag+i)==1)

continue;

else

{

printf(“nt|-----------------------------|”);

printf(“nt|--%5d--|--%5d--|--%5d--------|”);

*(pnum+i),*(pmoney+i),*(pbalance+i);

if((i+1)%10==0)

{

getch();

printf(“Pre any key to go on...”);

}

}

}

printf(“nt|--|”);

getch();}

void exitout(){

char choose='';

do

{

printf(“ntAre you sure exit(y/n):”);

scanf(“%c”,&choose);

}while(choose!='Y' && choose!='y' && choose!='N'&&choose!='n');

if(choose=='Y'||choose=='y')

exit(0);}

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