我写的一个理财系统，有很多BUG，只写了大部份，请大家帮我完善和纠正！
程序代码：#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <conio.h>
#include <dos.h>
#define N 12
#include <stdio.h>
#include <conio.h>
static char zhanghao[N],mimao[N],Mimao[N];
static number=0;
/*菜单*/
void Menu()
{
int i;
textattr(109+(BLACK<<3)+(WHITE<<5));
clrscr();
gotoxy(10,1);
cputs("| ------- welcome to you useing it------------------|");
gotoxy(10,2);
cputs("| -------please you choice adata to choice----------|");
gotoxy(10,3);
cputs("| -------- -----1. 注册 ----------------------------|");
gotoxy(10,4);
cputs("| -------- -----2. 登录 ----------------------------|");
gotoxy(10,5);
cputs("| ------------- 3. 设置 ---------------------------|");
gotoxy(10,6);
cputs("| --------------4. 收支 ---------------------------|");
gotoxy(10,7);
cputs("| --------------5. 报表 ---------------------------|");
gotoxy(10,8);
cputs("| --------------6. 银行 ---------------------------|");
gotoxy(10,9);
cputs("|---------------7.EXIT ----------------------------|");
gotoxy(1,12);
}
/*注册账号*/
void Register()
{
int i=0;int j=0;int n=0,len;
char ch;
printf("\t\t\t\t请按照提示申请账号！\n\n");
printf("请输入新的账号:");
while((zhanghao[n++]=getchar())=='r')
break;
printf("请输入密码:");
for(ch=getch();ch!=13;ch=getch())
{
if(j>=N)
break;
if(ch=='\b')
{
if(j>0)
{
printf("\b");
mimao[--j]='\0';
}
putchar(0);
printf("\b");
continue;
}
printf("*");
mimao[j++]=ch;
}
mimao[j]='\0';
printf("\n请再一次确认密码:");
for(ch=getch();ch!=13;ch=getch())
{
if(i>=N)
break;
if(ch=='\b')
{
if(i>0)
{
printf("\b");
Mimao[--i]='\0';
}
putchar(0);
printf("\b");
continue;
}
printf("*");
Mimao[i++]=ch;
}
Mimao[i]='\0';
printf("你已经成功申请\n" );
/*这里还没有学会怎么弄看两次输入的密码一样*/
}
/*登录账号*/
void record()
{
char _mimao[N];char _zhanghao[N];
int i=0;int j=0;int n=0,len;
char ch;
printf("账号：");
while((_zhanghao[n++]=getchar())=='r')
break;
printf("请输入密码:");
for(ch=getch();ch!=13;ch=getch())
{
if(j>=N)
break;
if(ch=='\b')
{
if(j>0)
{
printf("\b");
_mimao[--j]='\0';
}
putchar(0);
printf("\b");
continue;
}
printf("*");
_mimao[j++]=ch;
}
_mimao[j]='\0';
for(i=0;i<N;i++)
{
if((mimao[i]==_mimao[i])&&(zhanghao[i]==_zhanghao[i]))
continue;
else
printf("你的账号或者密码有误，请重新输入");
}
}
/*日期结构*/
struct Date
{
char year[5];
char month[3];
char day1[3];
};
/*消费结构*/
struct Daycost
{
char name[20];
int num;
float price;
float count;
struct Date day;
struct Daycost *next;
};
/*消费情况链表*/
struct Daycost *Day_cost()
{
struct Daycost *p=(struct Daycost*)malloc(sizeof(struct Daycost));
printf("商品名字:");
gets(p->name);
printf("商品数量:");
scanf("%d",&p->num);
printf("请输入商品价格\n");
scanf("%f",&p->price);
printf("请输入年份(四位)\n");
getchar();
gets(p->day.year);
while(sizeof(p->day.year)>5)
{
printf("输入的格式错误请在输入：");
gets(p->day.year);
}
printf("请输入月份：");
gets(p->day.month);
while(strlen(p->day.month)>3)
{
printf("输入的格式错误请在输入：");
gets(p->day.month);
}
printf("请输入日子：");
gets(p->day.day1);
while(sizeof(p->day.day1)>3)
{
printf("输入的格式错误请在输入：");
gets(p->day.day1);
}
p->count=(p->num)*(p->price);
return p;
}
/*创建一个日期*/
struct Date *day()
{
struct Date *q=(struct Date*)malloc(sizeof(struct Date));
printf("请输入年份\n");
scanf("%s",&q->year);
while(sizeof(q->year)>5)
{
printf("输入格式不正确,请重新输入\n");
gets(q->year);
}
printf("请输入月份\n");
gets(q->month);
while(sizeof(q->month)>3)
{
printf("输入格式不正确，请重新输入\n");
}
printf("请输入日子\n");
gets(q->day1);
while(sizeof(q->day1)>3)
{
printf("输入格式不正确，请重新输入\n");
gets(q->day1);
}
return q;
}
/*读取消费情况*/
void display(struct Daycost *q)
{
struct Daycost *p=q;
if(p==NULL)
{
printf("没有消费\n");
}
else
{
printf("\t年\t月\t日\t名字\t数量\t价格\t总价\n");
while(p!=NULL)
{
printf("\t%s",p->day.year);
printf("\t%s",p->day.month);
printf("\t%s",p->day.day1);
printf("\t%s",p->name);
printf("\t%d",p->num);
printf("\t%2.2f",p->price);
printf("\t%f\n",p->count);
p=p->next;
}
}
}
/*消费情况的录入记录*/
struct Daycost *total_day()
{
int flag=1;
char i;
struct Daycost *head=NULL,*p;
while(flag)
{
printf("请选择:1:输入\t2:结束\n");
i=getche();
clrscr();
if(i=='1')
{
if(head==NULL)
{
p=Day_cost();
head=p;
number++;
}
else
{
p=Day_cost();
p->next=head;
head=p;
number++;
}
flag=1;
}
if(i=='2')
{
flag=0;
}
}
return head;
}
/*个人收支情况*/
void shouzhi()
{
char choice;
struct Daycost *p;
struct Date *q;
int n=1;
float sum;
while(n)
{
clrscr();
printf("\t\t\t1:数据的录入\n\n");
printf("\t\t\t2:查找某天的消费情况\n\n");
printf("\t\t\t3:查看在记录天数中总的消费金额\n\n");
printf("\t\t\t4:写入文件\n\n");
printf("\t\t\t5:从文件中读写\n\n");
printf("\t\t\t6:退出\n");
printf("\n\t\t\t请在1~6之间选择\n");
choice=getche();
clrscr();
switch(choice)
{
case'1':p=total_day(); display(p); system("pause");break;
case'2':q=day(); break;
case'6':n=0; break;
}
}
}
/*主函数*/
void main(void)
{
int n=1;
while(n)
{
char choice;
Menu();
choice=getche();
clrscr();
switch(choice)
{
case '1' :Register();system("pause");break;
case '2' :record(); system("pause");break;
case '4' :shouzhi(); system("pause");break;
case '7' :n=0; break;
default :printf("error please again input");
}
}
} 密码问题我不会弄，还有就是单键表问题，为什么我读入数据了，读不出来（部份），真的是有很多不懂，我还没有写完，可以运行，大家帮忙纠正下，那里需要改的，大家给点意见和代码。。。。谢谢了
,主要是程序太长，不是自己写的话，不好理解，当然不好改了。
