大神能帮帮看看这C语言题吗?超市会员管理系统
哪里错了
程序代码：// 1111111.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
/* HELLO.C -- Hello, world */
#include "string.h"
#include "stdio.h"
#include "conio.h"
#include "stdlib.h"
#define N 1000
struct huiyuan /*定义会员信息结构体类型*/
{
char num[100]; /*卡号*/
char name[20]; /*姓名*/
char ID[30]; /*身份证号*/
char tel[30]; /*电话号码*/
float fen; /*积分*/
char g[10]; /*记录改卡是否已挂失*/
}huiyuan [100];
/*自定义函数*/
void menu(); /*菜单函数*/
void enter(); /*输入函数*/
void search(); /*查找函数*/
void guashi(); /*挂失函数*/
void buy(); /*购书函数*/
void modify(); /*修改函数*/
void output(); /*显示所有数据函数*/
void add(); /*添加信息函数*/
void input(int i);
void printf_back();
void printf_out(int i);
void printf_face();
float buy_money(float add);
float Money();
int modify_data(int i,int n);
int save(int n); /*保存数据函数*/
int load(); /*读取数据函数*/
void main() /*主函数*/
{
menu();
getch();
}
void menu() /*菜单函数*/
{
int n,w1;
system("cls");
do /*显示菜单*/
{
printf("\t\t================================================\n\n");
printf("\t\t================================================\n\n");
printf("\t\t ================= WELCOM!===================\n\n");
printf("\t\t *** 1 .............Enter new information ***\n\n");
printf("\t\t *** 2 .............................buy ***\n\n");
printf("\t\t *** 3 ........................Search or delete or modify ***\n\n");
printf("\t\t *** 4 ............................modify ***\n\n");
printf("\t\t *** 5 ............................guashi ***\n\n");
printf("\t\t *** 6 ............................xian shi ***\n\n");
printf("\t\t *** 7 ..............................add data ***\n\n");
printf("\t\t *** 8 ..............................Exit ***\n\n");
printf("\t\t================================================\n\n");
printf("\t\t================================================\n\n");
printf("\nChoose your number(1-8):[ ]\b\b"); /*选择菜单*/
scanf("%d",&n);
if(n<1||n>8)
w1=1;
else w1=0;
}
while(w1==1);
switch(n)
{
case 1:enter();break;
case 2:buy();break;
case 3:search();break;
case 4:modify();break;
case 5:guashi();break;
case 6:output();break;
case 7:add();break;
case 8:exit(0);
} }
void enter() /*输入函数*/
{
int i,n;
printf("How many people do you want to add(0-%d)?:",N-1);
scanf("%d",&n);
printf("\n Enter data now\n\n");
for(i=0;i<n;i++)
{
printf("\n Input %dth people record.\n",i+1);
input(i); /*调用子函数*/
}
if(i!=0){
save(n); }
printf_face(); /*显示刚刚输入的所有信息*/
for(i=0;i<n;i++)
{
printf_out(i);}
printf_back();
}
void search() /*查找函数*/
{
int i,n,k,w1=1,w2,w3,w4,m,a;
struct huiyuan p;
n=load();
do
{
printf("\n\nWhich way do you want to choose? \n\t1).By ID 2).By num [ ]\b\b");
scanf("%d",&m);
switch(m)
{
case 1: /*按身份证查找*/
do
{ k=-1;
printf("\n\nEnter danwei that you want to search! ID.");
scanf("%s",p.ID);
printf_face();
for(i=0;i<n;i++)
if(strcmp(p.ID,huiyuan[i].ID)==0)
{ k=i;
printf_out(k);break; /*显示该卡信息*/
}
if(k==-1)
{ printf("\n\nNO exist!please"); /*该卡不存在*/
printf("\n\nAre you again?\n\t1).again 2).NO and back [ ]\b\b");
scanf("%d",&w1);
if(w1==2)
printf_back();
}
}
while(k==-1&&w1==1);break;
case 2: /*按卡号查找*/
do
{k=-1;
printf("\n\nEnter num that you want to search! num.");
scanf("%s",p.num);
printf_face();
for(i=0;i<n;i++)
if(strcmp(p.num,huiyuan[i].num)==0)
{k=i;
printf_out(k);break; /*显示该卡信息*/
}
if(k==-1) /*该卡不存在*/
{printf("\n\nNO exist!please");
printf("\n\nAre you again?\n\t1).again 2).NO and back [ ]\b\b");
scanf("%d",&w1);
if(w1==2)
printf_back();
}
}
while(k==-1&&w1==1);break;
}
w4=0;w3=0;
if(k!=-1)
{printf("\n\nWhat do you want to do?\n\t 1).Search 2).Modify 3).Delete 4).Back menu [ ]\b\b");
scanf("%d",&w2);
switch(w2)
{case 2:w3=modify_data(k,n);break;
case 3:{printf("\nAre you sure?\n\t 1).Sure 2).No and back [ ]\b\b");/*删除函数*/
scanf("%d",&w4);
if(w4==1)
for(a=k;a<n;a++)
{strcpy(huiyuan[a].num,huiyuan[a+1].num); /*删除信息*/
strcpy(huiyuan[a].name,huiyuan[a+1].name);
strcpy(huiyuan[a].ID,huiyuan[a+1].ID);
strcpy(huiyuan[a].fen,huiyuan[a+1].fen);
strcpy(huiyuan[a].g,huiyuan[a+1].g);
strcpy(huiyuan[a].tel,huiyuan[a+1].tel);
}break;}
} if(w4==1)
if(w3==1||w4==1)
{save(n);
printf("\n\nSuccessful.^_^.");
printf("\n\nWhant do you want to do? \n\t 1).Search another 2).Back [ ]\b\b" );
scanf("%d",&w2);
}
}
}
while(w2==1);
menu();
}
void modify() /*修改函数*/
{struct huiyuan p;
FILE *fp;
int i,n,k,w0=1,w1,w2=0;
n=load();
do
{
k=-1;
printf_face(); /*显示所有卡信息*/
for(i=0;i<n;i++)
{if((i!=0)&&(i%10==0))
{printf("\n\nRemember NO.which needed modify.pass any key to contiune ...");
getch();
puts("\n\n");
}
printf_out(i);
}
do
{printf("\n\nEnter NO.that you want to modify! NO.:"); /*选择序号*/
scanf("%s",p.num);
for(i=0;i<n;i++)
if(strcmp(p.num,huiyuan[i].num)==0)
{k=i;
p=huiyuan[i];
}
if(k==-1)printf("\n\nNO exist!please again"); /*判断是否存在该卡*/
}while(k==-1);
printf_face();
printf_out(k);
w1=modify_data(k,n); /*调用修改数据子函数*/
if(w1==1)
{printf("\nSuccessful ^_^.\n\nAre you modify another ?\n\n\t 1).Yes 2).Back with save\t[ ]\b\b");
scanf("%d",&w0);
w2=1;
}
else
{w0=0;
if(w2==1)
huiyuan[k]=p;
}
if(w0!=1&&w2==1)
save(n); /*保存信息*/
}while(w0==1);
menu();
}
void guashi() /*挂失函数*/
{ int n,i,x;
char ID,a,num;
n=load();
printf("Enter 1).ID 2).num [ ]\b\b");
scanf("%d",&x);
switch(x)
{case 1:{printf("\nEnter ID /*用身份证挂失*/
scanf("%s",ID);
printf_face();
for(i=0;i<n;i++) /*查找相应信息*/
if(strcmp(huiyuan[i].ID,ID)==0){
printf_out(i);
printf("\nAre suer(y/n):[ ]\b\b");
scanf("%s",a);
if(strcmp(a,"y")==0) /*判断是否为挂失*/
strcpy(huiyuan[i].g,"diu");
}break;}
case 2:{printf("\nEnter num:");/*用卡号挂失*/
scanf("%s",num);
printf_face();
for(i=0;i<n;i++) /*查找相应信息*/
if(strcmp(huiyuan[i].num,num)==0){
printf_out(i);
printf("\nAre suer(y/n):[ ]\b\b");
scanf("%s",a);
if(strcmp(a,"y")==0) /*判断是否为挂失*/
strcpy(huiyuan[i].g,"diu");
}
break;
}}
save(n);
printf_back();
}
void buy() /*购书函数*/
{
float m,n;
int x;
m=buy_money(n);
printf("\nchoose:\t1)go on buying 2)end and back to menu\t [ ]\b\b");
scanf("%d",&x);
if(x==1)
buy();
else
menu();
}
float Money() /*处理输入的购书总金额*/
{
int i, n,a,b,c;
float sum=0.0;
float m[100];
printf("\nEnter the number of books:"); /*输入所买书的本书*/
scanf("%d",&n);
for(i=0;i<n ;i++){
printf("\nEnter %dth book's money:\n",i+1); /*输入每本书的价格*/
scanf("%f",&m[i]);
sum=sum+m[i];
}
return sum;
}
float buy_money(float acc) /*购书打折处理函数*/
{
int i,n,a,b,c;
char num; /*暂时存储每次购书金额*/
n=load();
acc=Money();
printf("\nEnter card num:");
scanf("%s",num);
for(i=0;i<n;i++){
if(strcmp(huiyuan[i].num,num)==0){
a=i;
break;
}
}
if(i==n){ /*判断是否为会员*/
printf("\nthis card is no exist!!!");
printf("\nAll books worth %.2f. \n1)buy again. 2)add a card. 3)back to menu. [ ]\b\b",acc);
scanf("%d",&c);
do{if(c==1)buy();
if(c==2)add();
if(c==3)menu();
}while(c>=1&&c<=3);
}else{
printf_face(); /*显示该卡信息*/
printf_out(a);
printf("\nAll books worth %.2f ",acc);
if(strcmp(huiyuan[a].g,"diu")!=0){ /*判断是否已挂失*/
huiyuan[a].fen=huiyuan[a].fen+acc;
if(huiyuan[a].fen>=5000) {acc=acc*0.80; printf("<80%>discount");}/*打折处理*/
else if(huiyuan[a].fen>=2000) {acc=acc*0.90; printf(" <90%>discount");}
else if(huiyuan[a].fen>=1000) {acc=acc*0.95; printf(" <95%>discount");}
printf("\nShould pay total money:%.2f",acc);
save(n);
return acc;
}else{
printf("\n1)back to menu. 2)search. [ ]\b\b");
scanf("%d",&b);
if(b==2)search();
else menu();}
}}
int modify_data(int i) /*修改数据的子函数*/
{int c,w1;
do
{puts("\nmodify by=>\n\n 1).num2).name3).ID4).telephone\t[ ]\b\b");/*选择要修改的内容*/
printf("Which you needed?:[ ]\b\b");
scanf("%d",&c);
if(c>4||c<1)
{puts("\nChoice error!Please again!");
getchar();
}
}while(c>4||c<1);
do
{switch(c) /*修改相应信息*/
{
case 1:printf("num:");scanf("%s",huiyuan[i].num);break;
case 2:printf("name:");scanf("%s",huiyuan[i].name);break;
case 3:printf("ID:");scanf("%s",huiyuan[i].ID);break;
case 4:printf("tel:");scanf("%s",huiyuan[i].tel);break;
}
puts("\nNow:\n"); /*显示刚修改的信息*/
printf_face();
printf_out(i);
printf("\nAre you sure?\n\n\t 1).Sure 2).No and remodify 3).Back without save in this time [ ]\b\b");
scanf("%d",&w1);
}
while(w1==2);
return(w1);
}
void add() /*添加信息函数*/
{
int i,n,m,k;
FILE*fp;
n=load();
printf("How many people are you want to add(0-%d)?:",N-1-n);/*输入要添加的人数*/
scanf("%d",&m);
k=m+n;
for(i=n;i<k;i++) /*依次输入信息*/
{
printf("\nInput %dth people record.\n",i-n+1 );
input(i);
}
printf_face(); /*显示刚输入的信息*/
for(i=n;i<k;i++){
printf_out(i);
}
if((fp=fopen("Pro.txt","ab"))==NULL)
{
printf("cannot open file\n");
}
for(i=n;i<k;i++) /*保存数据*/
if(fwrite(&huiyuan[i],sizeof(struct huiyuan),1,fp)!=1)
printf("file write error\n");
fclose(fp);
printf_back();
}
void output() /*显示所有数据函数*/
{
int i,n,x;
char pa;
n=load();
clrscr();
printf("Enter password:\n"); /*输入密码*/
gets(pa);
while(strcmp(pa,"12345")!=0){
clrscr();
printf("Enter password again:");
gets(pa);
}
clrscr();
printf_face(); /*显示所有信息*/
for(i=0;i<n;i++){
printf_out(i);
}
printf("\n\n1)back to menu. 2)buy. 3)search and delete. 4)modify.\t[ ]\b\b");
scanf("%d",&x);
switch(x){
case 1:menu();break;
case 2:buy();break;
case 3:search();break;
case 4:modify();break;
default:menu();
}}
int save(int n) /*保存数据函数*/
{FILE *fp;
int i;
if((fp=fopen("Pro.txt","wb"))==NULL)
{printf("\nCannot open file\n");
return NULL;
}
for(i=0;i<n;i++)
if(huiyuan[i].num!=0)
if(fwrite(&huiyuan[i],sizeof(struct huiyuan),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
int load() /*读取数据函数*/
{FILE *fp;
int i;
if((fp=fopen("Pro.txt","rb"))==NULL)
{printf("\nCannot open file\n");
return NULL;
}
for(i=0;!feof(fp);i++)
fread(&huiyuan[i],sizeof(struct huiyuan),1,fp);
fclose(fp);
return(i-1);
}
void input(int i) /*输入数据的子函数*/
{
int k,y;
long x;
randomize();
x=random(32767); /*随机产生卡号*/
ltoa(x,huiyuan[i].num,10);
for(k=0;k<i;k++){
if(strcmp(huiyuan[k].num,huiyuan[i].num)==0)
x=random(32767);
ltoa(x,huiyuan[i].num,10);
}
printf("name:"); /*输入姓名*/
scanf("%s", huiyuan[i].name) ;
printf("ID:");
scanf("%s",huiyuan[i].ID); /*输入身份证*/
printf("telephone:");
scanf("%s",huiyuan[i].tel); /*输入电话号码*/
huiyuan[i].fen=0.0; /*积分初始值为0.0*/
}
void printf_back() /*用于调用其他函数*/
{
int j,w;
printf("\n\n\tSuccessful!^_^\n\n");
printf("What do you want you to continue to do?\n\n\t1).search or modify\t2).Back to menu.\t3).add data [ ]\b\b");
scanf("%d",&w);
if(w==1)
search();
if(w==3)
add();
if(w!=1&&w!=3)
menu();
}
void printf_out(int i) /*显示信息函数*/
{
if(strcmp(huiyuan[i].g,"diu")==0)
printf("%s card yi gua shi!!!\nyou can't use it!!!\n",huiyuan[i].num);
else
printf("%d%8s%15s%15s%16s%15f\n",i+1,huiyuan[i].num,huiyuan[i].name,huiyuan[i].ID,huiyuan[i].tel,huiyuan[i].fen);
}
void printf_face() /*显示信息表头*/
{
printf("\n xuhao num name ID telephone jifen \n");
}
