商品订购系统设计.docx
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商品订购系统设计
#include
#include
#include
#include
#defineN10/*最大商品数*/
#defineM21/*最大字符串长度*/
#defineMAX100/*用户最大订购商品数*/
voidMainmenu();/*主菜单*/
voidSonMainmenu();/*管理维护菜单*/
voidopen();/*管理员浏览*/
voidfind1();/*按名称查找*/
voidfind2();/*按型号查找*/
voidselect();/*选择菜单*/
voidSincrease();/*增加商品*/
voidSsave();/*Sincrease()调用的存储函数*/
voidSopen();/*Sincrease()调用的显示函数*/
voidbuy();/*浏览商品进入选购*/
voidbuy2();/*输入编号订购*/
voidaddress();/*输入邮寄地址*/
voidnumber();/*输入订购数量*/
voidcheck();/*确认订购*/
voidwrite();/*写入文件*/
voidshow();/*显示订购信息*/
voidnext();/*继续订购*/
voidaccount();/*结账模块*/
voidout();/*退出系统*/
voidgood();/*订购成功,退出*/
intmain()/*主程序*/
{
select();
}
intOrdernum=0;
intj=0;
intLast;
floatusersum=0.00;
structSP/*商品结构*/
{
intSPnum;/*商品编号*/
charSPname[M];/*商品名称*/
charSPtype[M];/*商品型号*/
floatSPprice;/*商品价格*/
charSPplace[M];/*商品产地*/
intSPstock;/*库存数量*/
intSPordered;/*已订购数量*/
}S[N];
structuserSP/*用户结构*/
{
intusernum;/*用户订购商品编号*/
intuserquantity;/*用户订购数量*/
charSPname[M];/*商品名称*/
charSPtype[M];/*商品型号*/
floatSPprice;/*商品价格*/
charSPplace[M];/*商品产地*/
}userS[MAX];
voidMainmenu()/*主菜单*/
{
printf("\n\n\n\n\n\n");
printf("_____________________________________欢迎使用商品订购系统v1.0_____________________________________\n\n");
printf("┏━━━━━━━━━━━━━━━━━━━┓\n");
printf("┃1.浏览商品┃\n");
printf("┃2.按名称查找┃\n");
printf("┃3.按型号查找┃\n");
printf("┃4.管理维护┃\n");
printf("┃0.退出系统┃\n");
printf("┗━━━━━━━━━━━━━━━━━━━┛\n\n\n");
printf("********************************************************************************\n\n\n\n\n");
printf("请选择0~4:
");
}
voidSonMainmenu()/*管理维护菜单*/
{
printf("\n\n\n\n\n\n\n");
printf("_____________________________________子菜单_____________________________________\n\n");
printf("┏━━━━━━━━━━━━━━━━━━━┓\n");
printf("┃1.查看商品┃\n");
printf("┃2.增加商品┃\n");
printf("┃0.返回主菜单┃\n");
printf("┗━━━━━━━━━━━━━━━━━━━┛\n\n\n");
printf("__________________________________________________________________________\n\n\n\n\n");
printf("请选择0~2:
");
}
voidselect()/*选择菜单*/
{
T1:
Mainmenu();
{charch1;
do
ch1=getch();
while(ch1<'0'||ch1>'4');
switch(ch1)
{
case'1':
buy();break;
case'2':
find1();break;
case'3':
find2();break;
case'4':
{
SonMainmenu();
{charch2;
do
ch2=getch();
while(ch2<'0'||ch2>'2');
switch(ch2)
{
case'1':
open();gotoT1;break;
case'2':
Sincrease();break;
case'0':
gotoT1;break;
default:
break;
}
}
}break;
case'0':
printf("\n\n\n\n\n\n\n\n\n\n\n\n谢谢使用,再见!
\n\n\n\n\n\n\n\n\n\n\n\n\n");break;
default:
break;
}
}
}
voidopen()/*管理员浏览*/
{inti;
FILE*fp;
fp=fopen("shangpin.dat","rb");
printf("\n\n\n\n\n\n\n\n编号名称型号价格产地库存已订购\n");
for(i=0;i{fread(&S[i],sizeof(structSP),1,fp);
printf("%4d%-10s%-12s%9.2f%-5s%5d%4d\n",S[i].SPnum,S[i].SPname,S[i].SPtype,S[i].SPprice,S[i].SPplace,S[i].SPstock,S[i].SPordered);
}
fclose(fp);
printf("\n\n\n\n\n共有%d条记录!
\n\n",i);
printf("按任意键继续……");
getch();
}
voidfind1()/*按名称查找*/
{inti,k,r=0;
charstr[M],c3;
FILE*fp;
fp=fopen("shangpin.dat","rb");
system("cls");
printf("\n请输入你要查找的名称:
");
scanf("%s",&str);
printf("\n您所查找的%s\n",str);
for(i=0;i{fread(&S[i],sizeof(structSP),1,fp);
k=strcmp(S[i].SPname,str);
if(k==0)
{printf("%4d%-10s%-12s%9.2f%-5s%5d%4d\n",S[i].SPnum,S[i].SPname,S[i].SPtype,S[i].SPprice,S[i].SPplace,S[i].SPstock,S[i].SPordered);
r=r+1;}
}
fclose(fp);
printf("\n共有%d条记录!
\n",r);
if(r!
=0)
{printf("进入选购请按任意键,结账请按p,取消请按ESC:
");
c3=getch();
if(c3==27)
{
printf("\n");system("cls");select();
}
elseif(c3=='p'||c3=='P')
account();
printf("\n");
buy2();
}
else
{printf("\n按任意键继续……\n");
getchar();
select();}
}
voidfind2()/*按型号查找*/
{inti,k,r=0;
charstr[M],c3;
FILE*fp;
fp=fopen("shangpin.dat","rb");
printf("\n请输入你要查找的型号:
");
scanf("%s",&str);
printf("您查找的是%s\n",str);
for(i=0;i{fread(&S[i],sizeof(structSP),1,fp);
k=strcmp(S[i].SPtype,str);
if(k==0)
{printf("%4d%-10s%-12s%9.2f%-5s%5d%4d\n",S[i].SPnum,S[i].SPname,S[i].SPtype,S[i].SPprice,S[i].SPplace,S[i].SPstock,S[i].SPordered);
r=r+1;}
}
fclose(fp);
printf("共有%d条记录!
\n",r);
if(r!
=0)
{printf("进入选购请按任意键,结账请按p,取消请按ESC:
");
c3=getch();
if(c3==27)
{
printf("\n");system("cls");select();
}
elseif(c3=='p'||c3=='P')
account();
printf("\n");
buy2();
}
else
printf("\n按任意键继续……\n");
getchar();
select();
}
voidSsave()/*Sincrease()调用的存储函数*/
{
FILE*fp;
inti;
if((fp=fopen("shangpin.dat","wb"))==NULL)