文档介绍：超市管理系统源程序#include<>#include<>#defineMAX20#defineN3#definePAGE2#definePRINT1printf("---------------------\n")#definePRINT2printf("商品号--商品名称--商品种类--销售价格--生产日期(年-月-日)--保质期\n")#definePRINT3printf("%4d%s%s%8d%15%-%2d-%2d%10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].out_price,goods[i].,goods[i].,goods[i].,goods[i].save_day)intsum;/*记录商品数目*/structdate/*日期结构体类型*/{intyear;intmonth;intdate;}structgoods_type/*商品结构体类型*/{intsum;charname[10];charkind[10];intamount;intgoods_up;intgoods_down;intin_price;intout_price;intin_num;structdatein_time;structdatepro_time;charfactory[10];intsave_day;intprofit;}goods[MAX];/*存放MAX种商品记录的结构体数据*/save_message(jinsum)/*保存信息*/{FILE*fp;inti;if((fp=fopen("","wb"))==NULL){printf("读文件错误!\n");return;}for(i=0;i<sum;i++)if(fwrite(&goods[i],sizeof(structgoods_type),1,fp)!=1)printf("写文件错误!\n");fclose(fp):}inputmessage()/*输入模块*/{inti=0,s=MAX;clrscr();printf("\n\n录入商品信息(最多%d种)\n",s);printf("-------------------------\n");do{printf("\n第%d种商品",i+1);printf("\n商品号:");scanf("%d",&goods[i].num);if(goods[i].num==0)break;printf("\n商品名称:");scanf("%s",goods[i].name);printf("\n商品类别:");scanf("%s",goods[i].kind);printf("\n商品总量:");scanf("%s",&goods[i].amout);printf("\n商品上限:");scanf("%s",&goods[i].goods_up);printf("\n商品下限:");scanf("%s",&goods[i].goods_down);printf("\n进货价格:");scanf("%s",&goods[i].in_price);printf("\n销售价格:");scanf("%s",&goods[i].out_price);printf("\n进货数量:");scanf("%s",&goods[i].in_num);printf("\n进货日期(yyyy-mm-dd):");scanf("%d-%d-%d",&goods[i].,&goods[i].,&goods[i].);printf("\n商品名称:");printf("\n生产日期(yyyy-mm-dd):");scanf("%d-%d-%d",&goods[i].,&goods[i].,&goods[i].);printf("\n生产厂家:");scanf("%s",goods[i].factory);printf("\n保质期:");scanf("%s",goods[i].save_day);i++;}while(i<MAX);printf("\n--%d种商品信息输入完毕!--\n",i);sum=i;printf("\n按任意键返回主菜单!");bioskey(0);}intread_message()/*读取信息*/{FILE*fp;inti=0;if((fp=fopen("","rb"))==NULL){printf("\n\n*****暂时还没有任何库存信息,按任意键进入主菜单选择基本信息的录入!******\n");return;}while(feof(fp)!=1){fread(&goods[i],sizeof(structgoods_type),1,fp);if(g