超市管理程序

1、#include#include#include#includestruct Thingint id;char name30;char produce30;int number;float price;char type30;void tianjia();void shanchu();void xiugai();void chaxun(); void chazhao(); void liulan();void tuichu();void initialization()FILE *fp;struct Thing i=1,牛奶,辽宁,1200,3;fp=fopen(Thing.dat恶,w);i

2、f(fp=NULL)printf(ttt系统错误，请重试.);exit(0);fwrite(&i,sizeof(struct Thing),1,fp);fclose(fp);void menu()int choice;printf(n 【超市管理系统】 n);printf(- 系统菜单 -);printf(nt=【 新购物品入库 】n);printf(nt=【 物品信息删除 】n);printf(nt=【 物品信息修改 】n);printf(nt=【 利用编号查询 】n);printf(nt=【 利用种类查找 】n);printf(nt=【 物品信息浏览 】n);printf(nt=【 应用程

3、序退出 】n);printf(nt请输入您要选择的菜单.);scanf(%d,&choice);switch(choice)case 1:tianjia();break;case 2:shanchu();break;case 3:xiugai();break;case 4:chaxun();break;case 5:chazhao();break;case 6:liulan();break;case 7:tuichu();break;default:printf(nttttt输入无效，请您重新输入.);getch();system(cls);menu();int validateID(int

4、id) FILE *fp;struct Thing i;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0);fread(&i,sizeof(struct Thing),1,fp);while(!feof(fp)if(i.id=id)fclose(fp);return 1;break;fread(&i,sizeof(struct Thing),1,fp);fclose(fp);return 0;void tianjia() struct Thing i; char choice;FILE *fp;fp=fopen(Thi

5、ng.date,ab);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0); labID:printf(nt请您输入要入库物品的信息.n);printf(tttt 物品的编号:);scanf(%d,&i.id);if(validateID(i.id)=1)printf(tttt此编号已被使用，请您重新输入.);goto labID;printf(tttt 物品的名称:);scanf(%s,);printf(tttt 物品的生产地:);scanf(%s,duce);printf(tttt 物品的数量:);scanf(%d,&i.number);

6、printf(tttt 物品的单价:);scanf(%f,&i.price);printf(tttt 物品的种类:);scanf(%s,i.type);fwrite(&i,sizeof(struct Thing),1,fp);fclose(fp);printf(tttttt 物品信息已入库成功!n);printf(n您想继续吗?(y/n);scanf( %c,&choice);if(choice=Y|choice=y)tianjia();elsesystem(cls);menu();void shanchu() struct Thing i1000;struct Thing temp;int

7、shanchuID;char choice;int index=0;int j=0;FILE *fp;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0);fread(&temp,sizeof(struct Thing),1,fp);while(!feof(fp)iindex=temp;index+;fread(&temp,sizeof(struct Thing),1,fp);fclose(fp);printf(nt请输入要删除的物品的编号:);scanf(%d,&shanchuID);fopen(f:Thing.dat

8、e,w);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0);for( j=0;jindex;j+)if(ij.id!= shanchuID)fwrite(&ij,sizeof(struct Thing),1,fp); fclose(fp);printf(ttttt物品信息已清除!n);printf(n您想继续吗?(y/n);scanf( %c,&choice);if(choice=Y|choice=y)shanchu ();elsesystem(cls);menu();void xiugai() int index=0; int ID,j; char choic

9、e; struct Thing i1000; structThing temp;FILE *fp;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0);fread(&temp,sizeof(struct Thing),1,fp);while(!feof(fp)iindex=temp;index+;fread(&temp,sizeof(struct Thing),1,fp);fclose(fp);fp=fopen(Thing.date,w);if(fp=NULL)printf(ttt系统错误，请您重试.);exit(0);

10、printf(nt请输入要修改的信息的物品的编号:);scanf(%d,&ID);for(j=0;j=index-1;j+)if(ij.id!=ID)fwrite(&ij,sizeof(struct Thing),1,fp);elseprintf(tt物品名称修改为:);scanf(%s,);printf(tt物品生产地修改为:);scanf(%s,duce);printf(tt物品数量修改为:);scanf(%d,&ij.number);printf(tt物品单价修改为:);scanf(%f,&ij.price);printf(tt物品种类修改为:);scanf(%

11、s,ij.type);fwrite(&ij,sizeof(struct Thing),1,fp);fclose(fp);printf(tttt物品信息已修改.);printf(n您想继续吗?(y/n);scanf( %c,&choice);if(choice=Y|choice=y)xiugai();elsesystem(cls);menu();void chaxun() FILE *fp;int chaxunID;char choice;struct Thing i;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请你重试.);exit(0);

12、chaxunID: printf(nt请输入要查询的物品的编号.);scanf(%d,&chaxunID);fread(&i,sizeof(struct Thing),1,fp);while(!feof(fp)if(i.id=chaxunID)printf(nnt*物品信息*);printf(nt物品编号.%30dn,i.id);printf(nt-);printf(nt物品名称.%30sn,);printf(nt-);printf(nt生产厂家.%30sn,duce);printf(nt-);printf(nt进口数量.%30dn,i.number);printf(nt

13、-);printf(nt批发价格.%30.3fn,i.price);printf(nt-);printf(nt物品种类.%30sn,i.type);printf(nt-);printf(n您想继续吗?(y/n);scanf( %c,&choice);if(choice=Y|choice=y)chaxun();elsesystem(cls);menu();fread(&i,sizeof(struct Thing),1,fp);fclose(fp);printf(ttttt输入的编号不存在，请您重新输入.);goto chaxunID;void chazhao() FILE *fp;char ch

14、azhaoTYPE;char choice;struct Thing i;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请你重试.);exit(0);chazhaoTYPE: printf(nt请输入要查找的物品的种类.); scanf(%s,&chazhaoTYPE);fread(&i,sizeof(struct Thing),1,fp);while(!feof(fp)if(i.type)printf(nnt*物品信息*);printf(nt物品编号.%30dn,i.id);printf(nt-);printf(nt物品名称.%30sn,i

15、.name);printf(nt-);printf(nt生产厂家.%30sn,duce);printf(nt-);printf(nt进口数量.%30dn,i.number);printf(nt-);printf(nt批发价格.%30.3fn,i.price);printf(nt-);printf(nt物品种类.%30sn,i.type);printf(nt-);printf(n您想继续吗?(y/n);scanf( %c,&choice);if(choice=Y|choice=y)chazhao();elsesystem(cls);menu();fread(&i,sizeof(stru

16、ct Thing),1,fp);fclose(fp);printf(ttttt输入的种类不存在，请您重新输入.);goto chazhaoTYPE;void liulan() struct Thing i; int index=0;char choice;FILE *fp;fp=fopen(Thing.date,r);if(fp=NULL)printf(ttt系统错误，请你重试.);exit(0);fread(&i,sizeof(struct Thing),1,fp);while(!feof(fp)index+;printf(nnt*物品信息%d*,index);printf(nt物品编号.%

17、30dn,i.id);printf(nt-);printf(nt物品名称.%30sn,);printf(nt-);printf(nt生产厂家.%30sn,duce);printf(nt-);printf(nt进口数量.%30dn,i.number);printf(nt-);printf(nt批发价格.%30.3fn,i.price);printf(nt-);printf(nt物品种类.%30sn,i.type);printf(nt-);getch();fread(&i,sizeof(struct Thing),1,fp);fclose(fp);printf(n您想继续吗?

18、(y/n);scanf( %c,&choice);if(choice=Y|choice=y)liulan();elsesystem(cls);menu();void tuichu()char choice;system(cls);printf(nnnnnnnttt您确定要退出系统吗?nnnttt如果您想退出请按y,其它键将返回主菜单.);scanf( %c,&choice);if(choice=Y|choice=y)system(cls);printf(nnnnnnnnnntttt谢谢您的使用!);printf(nnnnnnnnnnnnnnnn);elsesystem(cls);menu();void main()printf(nn);printf(t3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3n);printf(t3 3n);printf(t3 3n);printf(t