概述
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
char *MyFgets(char data[], int count)
{
fgets(data, count, stdin);
char *find = strchr(data, 'n');
if(find)
*find = ' ';
return data;
}
void tablemain(void)
{
printf("n1) Order foodn");
printf("2) Admin sectionn");
printf("3) Exitn");
}
void Admin(void)
{
printf("n1. Add a categoryn");
printf("2. Delete a categoryn");
printf("3. View categoriesn");
printf("4. Add a food itemn");
printf("5. Delete a food itemn");
printf("6. View food itemsn");
printf("7. Show transaction historyn");
printf("8. Change passwordn");
printf("9. Exitn");
}
typedef struct _card{
int table;
int cardID;
char method[100];
char horder[100];
float total;
int year;
int mouth;
int day;
int hour;
int min;
int sec;
struct _card *next;
}card;
typedef struct _categorie{
int number;
char name[100];
struct _categorie *next;
}categorie;
typedef struct _food{
int mune;
int number;
char name[100];
float Price;
int Ava;
char Des[200];
struct _food *next;
}food;
food* fodcreat(void)
{
food* head=NULL;
return head;
}
categorie* CATcreat(void)
{
categorie* head=NULL;
return head;
}
void fodadd(food **head,int number, char* name,float Price,int Ava,char* Des,int mune)
{
// add to linked-list
food *p = (food*)malloc(sizeof(food));
p->mune=mune;
p->number=number;
strcpy(p->name, name);
p->Price=Price;
p->Ava=Ava;
strcpy(p->Des, Des);
p->next=NULL;
// find the last
food *last=*head;
if (last) {
while (last->next) {
last=last->next;
}
//attach
last->next=p;
} else {
*head=p;
}
}
int fodserachnn( food** head,char* fname,int mune)
{
int a=0;
food *p;
for (p=*head; p ; p=p->next) {
if (strcmp(fname, p->name)==0 && p->mune==mune) {
a=1;
break;
}
}
return a;
}
int fodsrarchn( food** head,int mune)
{
int a=0;
food *p;
for (p=*head; p ; p=p->next) {
if (mune==p->mune) {
a=1;
break;
}
}
return a;
}
int fodserachN( food** head,int fnum,int mune)
{
int a=0;
food *p;
for (p=*head; p ; p=p->next) {
if (p->number==fnum && p->mune==mune) {
a=1;
break;
}
}
return a;
}
int fodget(food** fhead,int mune)
{
int cnt=0;
food *p;
for (p=*fhead; p ; p=p->next){
if (p->mune==mune) {
cnt=p->number;
}
}
return cnt;
}
void fodprint(food *head,int mune)
{
food *p;
printf("nFood no.tNametPricetAvailabilitytDescriptionn");
printf("n");
for (p=head; p; p=p->next) {
if (mune==p->mune) {
printf("%dt%st%.2ft%dt%sn",p->number,p->name,p->Price,p->Ava,p->Des);
}
}
printf("n");
}
void fodremove(food** head, int index,int mune)
{
food *p;
food *q;
for (q=NULL,p=*head; p; q=p,p=p->next) {
if (p->number==index&&p->mune==mune) {
if (q) {
q->next=p->next;
} else {
*head=p->next;
}
free(p);
break;
}
}
}
void fodbigmove(food** head,int mune)
{
food *p;
food *q;
for (q=NULL,p=*head; p; q=p,p=p->next){
if (p->mune==mune) {
if (q) {
q->next=p->next;
} else {
*head=p->next;
}
free(p);
}
}
}
void fodcchange(int ava,food** fhead,int cnum,int fnum)
{
food *p;
for (p=*fhead; p ; p=p->next){
if (p->mune==cnum&&p->number==fnum) {
p->Ava=p->Ava-ava;
break;
}
}
}
int fodava( food** head,int mune,int fnum,int ava)
{
int a;
int boolen=1;
food *p;
for (p=*head; p ; p=p->next) {
if (p->number==fnum && p->mune==mune) {
a=p->Ava-ava;
if (a<0) {
boolen=0;
}
break;
}
}
return boolen;
}
void fodfree(food** head)
{
food *temp =*head;
while (temp !=NULL)
{
food* pt =temp;
temp = temp->next;
free(pt);
}
*head =NULL;
}
void CATadd(categorie **head,int cnt, char* name)
{
// add to linked-list
categorie *p = (categorie*)malloc(sizeof(categorie));
p->number=cnt;
strcpy(p->name, name);
p->next=NULL;
// find the last
categorie *last=*head;
if (last) {
while (last->next) {
last=last->next;
}
//attach
last->next=p;
} else {
*head=p;
}
}
int CATget(categorie** chead)
{
int cnt=0;
categorie *p;
for (p=*chead; p ; p=p->next){
cnt=p->number;
}
return cnt;
}
void CATNprint(categorie** chead,int cnum)
{
categorie *p;
for (p=*chead; p ; p=p->next){
if (cnum==p->number) {
printf("nCategory name:%s.n",p->name);
break;
}
}
}
int CATserach(categorie **head, char* name)
{
int a=0;
categorie *p;
for (p=*head; p ; p=p->next) {
if (strcmp(name, p->name)==0) {
a=1;
break;
}
}
return a;
}
void CATprint(categorie *head)
{
categorie *p;
printf("nCategory no.tNamen");
printf("n");
for (p=head; p; p=p->next) {
printf("%dt%sn",p->number,p->name);
}
printf("n");
}
int CATserachn(categorie **head, int number)
{
int a=0;
categorie *p;
for (p=*head; p ; p=p->next) {
if (p->number==number) {
a=1;
break;
}
}
return a;
}
void CATremove(categorie** head, int index)
{
categorie *p;
categorie *q;
for (q=NULL,p=*head; p; q=p,p=p->next) {
if (p->number==index) {
if (q) {
q->next=p->next;
} else {
*head=p->next;
}
free(p);
break;
}
}
}
void CATfree(categorie** head)
{
categorie *temp =*head;
while (temp !=NULL)
{
categorie* pt =temp;
temp = temp->next;
free(pt);
}
*head =NULL;
}
food* ordercreat(void)
{
food* head=NULL;
return head;
}
void orderadd(food** fhead,food** ohead,int fnum,int mune,int ava)
{
food *p;
for (p=*fhead; p ; p=p->next) {
if (p->number==fnum && p->mune==mune) {
food *q = (food*)malloc(sizeof(food));
q->mune=mune;
q->number=fnum;
strcpy(q->name, p->name);
q->Price=p->Price;
q->Ava=ava;
strcpy(q->Des, p->Des);
q->next=NULL;
food *last=*ohead;
if (last) {
while (last->next) {
last=last->next;
}
last->next=q;
} else {
*ohead=q;
}
break;
}
}
}
void orderoeder(food** fhead){
food *p;
food *q;
food *v;
for (p=*fhead; p; p=p->next) {
for (q=p->next,v=p; q;v=q, q=q->next) {
if (p->mune==q->mune&&p->number==q->number) {
p->Ava=(p->Ava)+(q->Ava);
v->next=q->next;
free(q);
// fodremove(fhead, q->number, q->mune);
}
}
}
}
float orderprice(food *ohead)
{
int a=0;
food *p;
for (p=ohead; p; p=p->next) {
a=a+(p->Ava)*(p->Price);
}
return a;
}
void orderprint(food *ohead)
{
food *p;
printf("nFood no.tNametPricetotytDescriptionn");
printf("n");
for (p=ohead; p; p=p->next) {
printf("%d-%dt%st%.2ft%dt%sn",p->mune,p->number,p->name,p->Price,p->Ava,p->Des);
}
printf("n");
}
card* Paycreat(void)
{
card* head=NULL;
return head;
}
void payadd(card **head,int table, char* name,float total,int cardID)
{
char a[20]="card";
// add to linked-list
card *p = (card*)malloc(sizeof(card));
p->table=table;
p->total=total;
strcpy(p->horder, name);
strcpy(p->method,a);
p->total=total;
p->cardID=cardID;
time_t timep;
struct tm *q;
time(&timep);
q=gmtime(&timep);
p->day=q->tm_mday;
p->mouth=(q->tm_mon)+1;
p->year=(q->tm_year)-100;
p->hour=q->tm_hour;
p->min=q->tm_min;
p->sec=q->tm_sec;
p->next=NULL;
// find the last
card *last=*head;
if (last) {
while (last->next) {
last=last->next;
}
//attach
last->next=p;
} else {
*head=p;
}
}
int mouthJ(int mouth,int day)
{
int boolen=0;
if (mouth==1&&day>0&&day<32) {
boolen=1;
}
else if (mouth==2&&day>0&&day<29){
boolen=1;
}
else if (mouth==3&&day>0&&day<32){
boolen=1;
}
else if (mouth==4&&day>0&&day<31){
boolen=1;
}
else if (mouth==5&&day>0&&day<32){
boolen=1;
}
else if (mouth==6&&day>0&&day<31){
boolen=1;
}
else if (mouth==7&&day>0&&day<32){
boolen=1;
}
else if (mouth==8&&day>0&&day<32){
boolen=1;
}
else if (mouth==9&&day>0&&day<31){
boolen=1;
}
else if (mouth==10&&day>0&&day<32){
boolen=1;
}
else if (mouth==11&&day>0&&day<31){
boolen=1;
}
else if (mouth==12&&day>0&&day<32){
boolen=1;
}
return boolen;
}
void payFadd(card **head,int table, char* name,float total,int cardID,int day,int year,int mouth,int hour,int min,int sec)
{
char a[20]="card";
// add to linked-list
card *p = (card*)malloc(sizeof(card));
p->table=table;
p->total=total;
strcpy(p->horder, name);
strcpy(p->method,a);
p->total=total;
p->cardID=cardID;
p->day=day;
p->mouth=mouth;
p->year=year;
p->hour=hour;
p->min=min;
p->sec=sec;
p->next=NULL;
// find the last
card *last=*head;
if (last) {
while (last->next) {
last=last->next;
}
//attach
last->next=p;
} else {
*head=p;
}
}
void payprint(card *phead,int year,int mouth,int day,int syear,int smouth,int sday)
{
int star=year*10000+mouth*100+day;
int end=syear*10000+smouth*100+sday;
int now;
float total=0;
card *p;
printf("nTable no.tPaymenttmethodtCard no.tCard holder’ nametAmt.tDatetTimen");
printf("n");
for (p=phead; p; p=p->next) {
now=(p->year)*10000+(p->mouth)*100+(p->day);
if (now>=star&&now<=end) {
printf("%dt%st%dt%st%d/%d/%dt%d:%d:%d n",p->table,p->method,p->cardID,p->horder,p->year,p->mouth,p->day,p->hour,p->min,p->sec);
total=total+p->total;
}
}
printf("n");
printf("Total amount:%.2fn",total);
}
void payfree(card** phead)
{
card *temp =*phead;
while (temp !=NULL)
{
card* pt =temp;
temp = temp->next;
free(pt);
}
*phead =NULL;
}
int RfileC(categorie** chead,food** fhead)
{
int boolen;
int cnum;
char cname[50];
int mune;
int fnum;
char fname[50];
float Price;
int ava;
char des[100];
FILE *fp = NULL ;
fp = fopen("menu.csv","r");
if (fp==NULL) {
boolen=0;
} else {
boolen=1;
while (1) {
fscanf(fp, "%d,",&cnum);
if (cnum==0) {
break;
}
fscanf(fp, "%[^,],",cname);
CATadd(chead, cnum, cname);
}
while (1) {
fscanf(fp, "%d,",&fnum);
if (fnum==0) {
break;
}
fscanf(fp, "%d,%[^,],%f,%d,%[^,],",&mune,fname,&Price,&ava,des);
fodadd(fhead, fnum, fname, Price, ava, des, mune);
}
fclose(fp);
}
return boolen;
}
int WfileC(categorie** chead,food** fhead)
{
categorie *p=*chead;
food *q=*fhead;
int boolen=1;
FILE *fp = NULL ;
fp = fopen("menu.csv","w");
if (fp==NULL) {
boolen=0;
} else {
while (p!=NULL) {
fprintf(fp,"%d,%s,n",p->number,p->name );
p=p->next;
}
fprintf(fp,"%d,n",0);
while (q!=NULL) {
fprintf(fp,"%d,%d,%s,%f,%d,%s,n",q->number,q->mune,q->name,q->Price,q->Ava,q->Des);
q=q->next;
}
fprintf(fp,"%d,n",0);
fclose(fp);
}
return boolen;
}
int WfileP(card** phead,char* password)
{
card *p=*phead;
int boolen=1;
FILE *fp = NULL ;
fp = fopen("transaction.csv","w");
if (fp==NULL) {
boolen=0;
} else {
while (p!=NULL) {
fprintf(fp,"%d,%s,%d,%s,%f,%d,%d,%d,%d,%d,%d,n",p->table,p->method,p->cardID,p->horder,p->total,p->year,p->mouth,p->day,p->hour,p->min,p->sec );
p=p->next;
}
fprintf(fp,"%d,",0);
fprintf(fp,"%s,n",password);
fprintf(fp,"%d,n",0);
fclose(fp);
}
return boolen;
}
int RfileP(card** phead,char *password)
{
int table;
char method[20];
int cardID;
char horder[50];
float total;
int year;
int mouth;
int day;
int boolen=1;
int hour;
int min;
int sec;
FILE *fp = NULL ;
fp = fopen("transaction.csv","r");
if (fp==NULL) {
boolen=0;
} else {
while (1) {
fscanf(fp, "%d,",&table);
if (table==0){
break;
}
fscanf(fp, "%[^,],%d,%[^,],%f,%d,%d,%d,%d,%d,%d,",method,&cardID,horder,&total,&year,&mouth,&day,&hour,&min,&sec);
payFadd(phead, table, horder, total, cardID,day,year,mouth,hour,min,sec);
}
fscanf(fp, "%[^,],",password);
fclose(fp);
}
return boolen;
}
int main(int argc, const char * argv[]) {
card* phead=Paycreat();
food* fhead=fodcreat();
categorie* chead=CATcreat();
food* Ohead=ordercreat();
int c;
int cntt;
char fname[20];
float fprice;
int table;
int fnum;
int availability;
char description[50];
int cnum;
char horder[20];
int Syear;
char ch;
int Smouth;
int Sday;
int day;
char a;
int i=0;
int mouth;
int year;
float total;
char YN;
int pay;
int choice;
int cardID=0;
char password[100]="admin";
char pass[10];
int boolen;
int cnt;
char cname[50];
if(RfileP(&phead,password)==1){
payfree(&phead);
}else{
char admin[100]="admin";
WfileP(&phead,admin);
}
do {
tablemain();
do {
printf("nOption: ");
scanf("%d",&c);
while((ch=getchar())!='n'&&ch!=EOF);
if (c==1||c==2||c==3) {
break;
}
else{
printf("nUnknown option.n");
}
} while (1);
if (c==1) {
RfileC(&chead, &fhead);
do {
printf("nEnter the table number: ");
scanf("%d",&table);
while((ch=getchar())!='n'&&ch!=EOF);
if (table<100&&table>0) {
break;
}
else{
printf("nInvalid table number.n");
}
} while (1);
add:
CATprint(chead);
do {
printf("nEnter the category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1){
if (fodsrarchn(&fhead, cnum)==1) {
fodprint(fhead, cnum);
break;
} else {
printf("nEmpty food list.n");
}
}else{
printf("nInvalid category number.n");
}
} while (1);
do {
printf("nEnter the food number: ");
scanf("%d",&fnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodserachN(&fhead, fnum, cnum)==1) {
do {
printf("nEnter the food item’s quantity: ");
scanf("%d",&availability);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodava(&fhead, cnum, fnum, availability)==1&&availability>0) {
orderadd(&fhead, &Ohead, fnum, cnum,availability);
fodcchange(availability, &fhead, cnum, fnum);
break;
} else {
printf("nInvalid quantity.n");
}
} while (1);
do {
printf("nDo you want to order more food (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
} else {
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
} else {
printf("nInvalid food number.n");
}
} while (1);
do {
CATprint(chead);
star:
printf("nDo you want to explore more categories (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
if (YN=='Y'||YN=='y') {
do {
printf("nEnter the category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1){
if (fodsrarchn(&fhead, cnum)==1) {
fodprint(fhead, cnum);
break;
} else {
printf("nEmpty food list.n");
}
}else{
printf("nInvalid category number.n");
}
} while (1);
do {
printf("nEnter the food number: ");
scanf("%d",&fnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodserachN(&fhead, fnum, cnum)==1) {
do {
printf("nEnter the food item’s quantity: ");
scanf("%d",&availability);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodava(&fhead, cnum, fnum, availability)==1) {
orderadd(&fhead, &Ohead, fnum, cnum,availability);
fodcchange(availability, &fhead, cnum, fnum);
break;
} else {
printf("nInvalid quantity.n");
}
} while (1);
do {
printf("nDo you want to order more food (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
} else {
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
} else {
printf("nInvalid food number.n");
}
} while (1);
} else {
break;
}
} else {
printf("nInvalid input.n");
goto star;
}
} while (1);
orderoeder(&Ohead);
do {
orderprint(Ohead);
total=orderprice(Ohead);
printf("Total:%.2fn",total);
second:
printf("nDo you want to check out (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='N'||YN=='n') {
do {
printf("nDo you want to add to the selected food list (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='Y') {
goto add;
}
else if (YN=='N'||YN=='n'){
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
do {
printf("nDo you want to remove from the selected food list (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='Y') {
do {
printf("nEnter the food number you want to remove from the selected list: ");
scanf("%d-%d",&cnum,&fnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodserachN(&Ohead, fnum, cnum)==1) {
fodremove(&Ohead, fnum, cnum);
break;
} else {
printf("nInvalid inputn.");
}
} while (1);
break;
}
else if (YN=='N'||YN=='n'){
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
}
else if (YN=='y'||YN=='Y'){
break;
}
else{
printf("nInvalid input.n");
goto second;
}
} while (1);
fodfree(&Ohead);
pay:
do {
printf("n1. Card 2. Cash (1/2)?: ");
scanf("%d",&pay);
while((ch=getchar())!='n'&&ch!=EOF);
if (pay==1||pay==2) {
break;
} else {
printf("nInvalid input.n");
}
} while (1);
if (pay==1) {
do {
printf("nEnter card number: ");
scanf("%d",&cardID);
while((ch=getchar())!='n'&&ch!=EOF);
if (cardID/100000000>0&&cardID/100000000<10) {
break;
} else {
printf("nInvalid card number.n");
}
} while (1);
printf("nEnter the card holder’s name: ");
fflush(stdin);
MyFgets(horder, 20);
}
printf("nPayment successful.n");
do {
printf("n1. Cancel the order 2. Change payment method (1/2)?: ");
scanf("%d",&choice);
while((ch=getchar())!='n'&&ch!=EOF);
if (choice==2) {
goto pay;
}
else if(choice==1&&pay==1){
RfileP(&phead,password);
payadd(&phead, table, horder, total, cardID);
WfileP(&phead,password);
payfree(&phead);
break;
}
else if (pay==2&&choice==1){
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
WfileC(&chead, &fhead);
CATfree(&chead);
fodfree(&fhead);
}
else if (c==2){
RfileP(&phead,password);
payfree(&phead);
CATfree(&chead);
fodfree(&fhead);
i=0;
printf("nEnter the password: ");
fflush(stdin);
system("stty -icanon");
system("stty -echo");
while (1) {
a = getchar();
if (a == 'n') {
pass[i++] = ' ';
break;
}
printf("*");
pass[i++] = a;
}
system("stty icanon");
system("stty echo");
if (strcmp(pass, password)==0) {
do {
Admin();
do {
c=0;
printf("nOption: ");
scanf("%d",&c);
while((ch=getchar())!='n'&&ch!=EOF);
if (c==1||c==2||c==3||c==4||c==5||c==6||c==7||c==8||c==9) {
break;
}
else{
printf("nUnknown option.n");
}
} while (1);
if (c==1) {
do {
CATfree(&chead);
fodfree(&fhead);
boolen=RfileC(&chead, &fhead);
YN='y';
if (boolen==1) {
cnt=CATget(&chead)+1;
} else {
cnt=1;
}
printf("nEnter a category name: ");
fflush(stdin);
MyFgets(cname, 100);
if (strlen(cname)==0) {
printf("nInvalid input.n");
}
else if (strlen(cname)>50){
printf("nCategory name can’t be more than 50 characters.n");
}
else if (CATserach(&chead, cname)==1){
printf("nThe category you entered is already on the list.n");
}
else{
CATadd(&chead, cnt, cname);
if (WfileC(&chead,&fhead)==1) {
CATfree(&chead);
fodfree(&fhead);
printf("nSuccessfully created category.n");
} else {
printf("nCategory creation unsuccessful.n");
}
do {
printf("nDo you want to add more categories (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
}
if (YN=='n'||YN=='N') {
break;
}
CATfree(&chead);
fodfree(&fhead);
} while (1);
}
else if (c==2){
boolen=RfileC(&chead, &fhead);
CATfree(&chead);
fodfree(&fhead);
if (boolen==1) {
do {
CATfree(&chead);
fodfree(&fhead);
RfileC(&chead, &fhead);
YN='y';
cnum=0;
printf("nEnter a category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1) {
CATremove(&chead, cnum);
fodbigmove(&fhead, cnum);
if (WfileC(&chead, &fhead)==1) {
printf("nSuccessfully deleted.n");
} else {
printf("nUnsuccessful deletion.n");
}
do {
printf("nDo you want to delete more categories (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
} else {
printf("nInvalid input.n");
}
} while (1);
} else {
printf("nEmpty category list.n");
}
CATfree(&chead);
fodfree(&fhead);
}
else if (c==3){
RfileC(&chead, &fhead);
CATprint(chead);
CATfree(&chead);
fodfree(&fhead);
}
else if (c==4){
RfileC(&chead, &fhead);
do {
printf("nEnter a category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1) {
break;
}
printf("nInvalid category number.n");
} while (1);
CATfree(&chead);
fodfree(&fhead);
do {
CATfree(&chead);
fodfree(&fhead);
RfileC(&chead, &fhead);
printf("nEnter food name: ");
fflush(stdin);
MyFgets(fname, 20);
if (fodserachnn(&fhead,fname,cnum)==0) {
printf("nEnter price: ");
scanf("%f",&fprice);
printf("nEnter availability: ");
scanf("%d",&availability);
printf("nEnter a description: ");
getchar();
MyFgets(description, 20);
//while((ch=getchar())!='n'&&ch!=EOF);
cntt=fodget(&fhead,cnum)+1;
fodadd(&fhead,cntt,fname, fprice, availability, description, cnum);
if (WfileC(&chead, &fhead)==1) {
printf("nSuccessfully created food record.n");
} else {
printf("nFood record creation unsuccessful.n");
}
do {
printf("nDo you want to add more food records (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
} else {
printf("nThe food item already exists in the food list in the same category.n");
}
CATfree(&chead);
fodfree(&fhead);
} while (1);
CATfree(&chead);
fodfree(&fhead);
}
else if (c==5){
boolen=RfileC(&chead, &fhead);
CATfree(&chead);
fodfree(&fhead);
if (boolen==1) {
RfileC(&chead, &fhead);
do {
cnum=0;
printf("nEnter a category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1) {
break;
}
printf("nInvalid category number.n");
} while (1);
if (fodsrarchn(&fhead, cnum)==1) {
do {
CATfree(&chead);
fodfree(&fhead);
RfileC(&chead, &fhead);
do {
printf("nEnter a food number: ");
scanf("%d",&fnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (fodserachN(&fhead, fnum, cnum)==1) {
break;
}
printf("nInvalid input.n");
} while (1);
fodremove(&fhead, fnum, cnum);
if (WfileC(&chead, &fhead)==1) {
printf("nSuccessfully deleted.n");
} else {
printf("nUnsuccessful deletion.n");
}
do {
printf("nDo you want to delete more food items (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
} while (1);
} else {
printf("nEmpty food list.nn");
}
CATfree(&chead);
fodfree(&fhead);
} else {
printf("nEmpty category list.nn");
}
CATfree(&chead);
fodfree(&fhead);
}
else if (c==6){
RfileC(&chead, &fhead);
do {
cnum=0;
printf("nEnter a category number: ");
scanf("%d",&cnum);
while((ch=getchar())!='n'&&ch!=EOF);
if (CATserachn(&chead, cnum)==1) {
break;
}
printf("nInvalid category.n");
} while (1);
CATNprint(&chead, cnum);
fodprint(fhead, cnum);
CATfree(&chead);
fodfree(&fhead);
}
else if (c==7){
do {
printf("nEnter the start date: ");
scanf("%d/%d/%d",&year,&mouth,&day);
while((ch=getchar())!='n'&&ch!=EOF);
if (mouthJ(mouth, day)==1) {
break;
} else {
printf("nInvalid date.n");
}
} while (1);
do {
printf("nEnter the end date: ");
scanf("%d/%d/%d",&Syear,&Smouth,&Sday);
while((ch=getchar())!='n'&&ch!=EOF);
if (mouthJ(Smouth, Sday)==1) {
if (Smouth>mouth) {
break;
}
else if (Smouth==mouth&&Sday>day){
break;
}
else if (Syear>year){
break;
}
else{
printf("nStart date must be on or before the end date.n");
}
} else {
printf("nInvalid date.n");
}
} while (1);
RfileP(&phead,password);
payprint(phead, year, mouth, day, Syear, Smouth, Sday);
payfree(&phead);
}
else if (c==8){
do {
i=0;
printf("nEnter the old password: ");
fflush(stdin);
system("stty -icanon");
system("stty -echo");
while (1) {
a = getchar();
if (a == 'n') {
pass[i++] = ' ';
break;
}
printf("*");
pass[i++] = a;
}
system("stty icanon");
system("stty echo");
if (strcmp(pass, password)==0) {
do {
i=0;
printf("nEnter new password: ");
fflush(stdin);
system("stty -icanon");
system("stty -echo");
while (1) {
a = getchar();
if (a == 'n') {
pass[i++] = ' ';
break;
}
printf("*");
pass[i++] = a;
}
system("stty icanon");
system("stty echo");
if (strlen(pass)>4&&strlen(pass)<16) {
i=0;
printf("nEnter the new password again: ");
fflush(stdin);
system("stty -icanon");
system("stty -echo");
while (1) {
a = getchar();
if (a == 'n') {
pass[i++] = ' ';
break;
}
printf("*");
password[i++] = a;
}
system("stty icanon");
system("stty echo");
if (strcmp(pass, password)==0) {
RfileP(&phead, pass);
WfileP(&phead, password);
payfree(&phead);
printf("nPassword successfully changed.n");
break;
} else {
printf("nRe-entered new password and new password don’t match.n");
}
} else {
printf("nPassword can’t be less than 5 characters and more than 15 characters.n");
}
} while (1);
break;
} else {
printf("nInvalid password.n");
do {
printf("nDo you want to change the password (y/n)?: ");
scanf("%c",&YN);
while((ch=getchar())!='n'&&ch!=EOF);
if (YN=='y'||YN=='n'||YN=='Y'||YN=='N') {
break;
}
else{
printf("nInvalid input.n");
}
} while (1);
if (YN=='n'||YN=='N') {
break;
}
}
} while (1);
}
else if (c==9){
break;
}
} while (1);
} else {
printf("nInvalid passwordn");
}
}
else if (c==3){
break;
}
} while (1);
}
最后
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