Question

C语言课程设计银行管理小系统

Answer 1

我这有个个人收支管理系统，你看看是否用得上。
#include<stdio.h>
#include<string.h>
#define N 100
struct money
{
int shunxu;
int year;
int month;
int day;
char zhaiyao[50];
float jine;
float yue;
char bizhong[10];
int biaozhi;

}in[N],out[N],temp[N],*pp,*qq;
void shouru(int x)
{

int i;
char ch;
system("cls");
if(x==1)
pp=in;
else
pp=out;
for(i=1;i<N;i++,pp++)
{
pp->shunxu=i;
pp->biaozhi=x;
printf("\n日期(年 月 日)\t摘要\t金额\t币种\n");
scanf("%d%d%d%s%f%s",&pp->year,&pp->month,&pp->day,pp->zhaiyao,&pp->jine, pp->bizhong );
printf("是否继续输入？1 是 2 否\n");
scanf("%s",&ch);
if(ch=='1')
continue;
else if(ch=='2')
break;
else
{

printf("error!");
system("pause");
break;
}

}
printf("是否保存：1是 2否\n");
scanf("%d",&i);
switch(i)
{
case 1:
if(x==1)
{
xieru(1);
break;
}
else
{
xieru(-1);
break;
}
case 2:
system("pause");
break;
default:
break;
}

}
mingxi()
{
FILE *f;
int y,m,d,y2,m2,d2;
int i;
system("cls");
pp=temp;
if((f=fopen("ff.txt","rt"))==NULL)
{
printf("文件打开错误!");
system("pause");
}
for(i=0;i<N;i++,pp++)
fscanf(f,"%d\t%d年%d月%d日\t%s\t%f\t%f\t%s\t%d\n",&pp->shunxu,&pp->year,&pp->month,&pp->day,pp->zhaiyao,&pp->jine,&pp->yue,pp->bizhong,&pp->biaozhi);
pp=temp;
/*for(;pp->shunxu!=0;pp++)
printf("%d %s %f\n",pp->shunxu,pp->bizhong,pp->jine);*/
printf("输入起止时间(年 月 日):\n");
scanf("%d%d%d%d%d%d",&y,&m,&d,&y2,&m2,&d2);
for(;pp->shunxu!=0;pp++)
{
if(pp->year>=y||pp->month>=m||pp->day>=d)
{

for(;pp->shunxu!=0;pp++)
{

if(pp->year>y2||pp->month>m2||pp->day>d2)
break;
printf("%d年%d月%d日\t%f\n",pp->year,pp->month,pp->day,pp->jine);
}
}

}

system("pause");

}
chaxun()
{
system("cls");
printf("建设中。。。");
system("pause");
}
xieru(int x)
{
FILE *f;
system("cls");
pp=in;
qq=out;
f=fopen("ff.txt","at+");
if(f==NULL)
{
printf("文件打开错误!");
system("pause");
}
if(x==1)
for(;pp->shunxu !=0;pp++)
{
fprintf(f,"%d\t%d年%d月%d日\t%s\t%f\t%f\t%s\t%d\n",pp->shunxu,pp->year,pp->month,pp->day,pp->zhaiyao,pp->jine,pp->yue,pp->bizhong,pp->biaozhi);

}
else if(x==-1)
for(;qq->shunxu!=0;qq++)
{
fprintf(f,"%d\t%d年%d月%d日\t%s\t%f\t%f\t%s\t%d\n",qq->shunxu,qq->year,qq->month,qq->day,qq->zhaiyao,qq->jine,qq->yue,qq->bizhong,qq->biaozhi);
}
else
{
for(;pp->shunxu !=0;pp++)
{
fprintf(f,"%d\t%d年%d月%d日\t%s\t%f\t%f\t%s\t%d\n",pp->shunxu,pp->year,pp->month,pp->day,pp->zhaiyao,pp->jine,pp->yue,pp->bizhong,pp->biaozhi);

}
for(;qq->shunxu!=0;qq++)
{
fprintf(f,"%d\t%d年%d月%d日\t%s\t%f\t%f\t%s\t%d\n",qq->shunxu,qq->year,qq->month,qq->day,qq->zhaiyao,qq->jine,qq->yue,qq->bizhong,qq->biaozhi);
}
}

fclose(f);
printf("保存成功!");
system("pause");
}
duqu()
{
FILE *f;
char ch;
system("cls");

f=fopen("ff.txt","rb");
if(f==NULL)
{
printf("文件打开错误!");
system("pause");
}
ch=fgetc(f);
while(ch!=EOF)
{
putchar(ch);
ch=fgetc(f);
}
fclose(f);
system("pause");
}

void main()
{
int i=1,a;
for(;i!=0;)
{
system("cls");
printf("个人收支管理\n");
printf("1.收入\n2.支出\n3.明细表\n4.查询与统计\n5.写入文件\n6.读取文件\n0.退出\n");
scanf("%d",&a);
switch(a)
{
case 1:
shouru(1);
break;
case 2:
shouru(-1);
break;
case 3:
mingxi();
break;
case 4:
chaxun();
break;
case 5:
xieru(0);
break;
case 6:
duqu();
break;
case 0:
i=0;
break;

}

}

}