#include<stdio.h>#include<stdlib.h>#include<string.h>#include "goods.h"bool GetCharge(int Sum,int Money);void Getsmalcharge(int Money,int *ChargeNum); int KouLing();char ChooseJieMian();char SaleCenter();void loadGoodsFromFile(Goods* gs);char ManageCenter();void KunCun();void Sale();void ShangJia();void TongJiFun();Goods goods[3];TongJi tj[3];void init(){for(int i = 0; i < 3; ++i){tj[i].jrxl = 0;tj[i].jrzje = 0;}}void main(){//初始化init();int op = 0;//读取商品信息loadGoodsFromFile(goods);char c = ChooseJieMian();while(true){system("cls");if( c == '1'){c = SaleCenter();}else if(c == '2'){op = KouLing();if(op == 1){//进入管理界面c = ManageCenter();//system("pause");}else if(op == 0){//进去销售界面c = SaleCenter();}}}}//----------------------------------------------------/*** @return 1销售界面2管理界面*/char SaleCenter(){char state='N';int Sum=0;char Pro = 'd';// printf("\n********************************\n");while(true){state='N';Sum=0;while(!(Pro == 'c' || Pro == 'a' || Pro == 'b' || Pro == 'q')){system("cls");printf("\n\t*******************************************");printf("\n\t*********顾客您好，请选择商品**************\n");printf("\n\t·a·商品%s ·b·商品%s ·c·商品%s ·q·管理\n",goods[0].name,goods[1].name,goods[2].name);printf("\n\t -%d- -%d- -%d- （单位：件）",goods[0].totalCount,goods[1].totalCount,goods[2].totalCount);printf("\n\t*******************************************\n\t\t");Pro = getchar();}if(Pro == 'q')break;switch(Pro){case 'a':{Sum=Sum+2;printf("\n\t·商品A价格为%d，请投币·",Sum);}break;case 'A':{Sum=Sum+2;printf("\n\t·商品A价格为%d，请投币·",Sum);}break;case 'b':{Sum=Sum+3;printf("\n\t·商品B价格为%d，请投币·",Sum);}break;case 'B':{Sum=Sum+3;printf("\n\t·商品B价格为%d，请投币·",Sum);}break;case 'c':{Sum=Sum+6;printf("\n\t·商品C价格为%d，请投币·",Sum);}break;case 'C':{Sum=Sum+6;printf("\n\t·商品C价格为%d，请投币·",Sum);}break;default:{printf("\n\t输入物品有误！！！！\n");}break;};int Money;bool st=false;while(!st){// printf("\n输入金额:");scanf("%d",&Money);getchar();st=GetCharge(Sum,Money);};Pro = 'd';system("PAUSE");}return '2';}bool GetCharge(int Sum,int Money){int ChargeNum[4];for(int i=0;i<4;i++){ChargeNum[i]=0;}if(Sum>Money){printf("\n\t·所投金额不足支付所选商品，请重新投币·");return false;}else if(Sum==Money){printf("\n\t·所投金额等于商品价格，请在商品出口处拿取商品·\n");//销售成功的操作if(Sum == goods[0].price){goods[0].totalCount --;Sale();tj[0].jrxl ++;tj[0].jrzje += Sum;}else if(Sum == goods[1].price){goods[1].totalCount --;Sale();tj[1].jrxl ++;tj[1].jrzje += Sum;}else if(Sum == goods[2].price){goods[1].totalCount --;Sale();tj[2].jrxl ++;tj[2].jrzje += Sum;}return true;}else{int Result=Money-Sum;Getsmalcharge(Result,ChargeNum);printf("\n\t·所投金额大于商品价格，为您找零%d元·\n",Result);printf("\n\t\t-壹元面值%d张-\n",ChargeNum[0]);printf("\n\t\t-贰元面值%d张-\n",ChargeNum[1]);printf("\n\t\t-伍元面值%d张-\n",ChargeNum[2]);printf("\n\t\t-拾元面值%d张-\n",ChargeNum[3]);printf("\n\t·请在商品出口处拿取商品·\n");// printf("\n余额为%d元,应找零\n1 元%d张\n2 元%d张\n5 元%d张\n10元%d张\n",Result,ChargeNum[0],ChargeNum[1],ChargeNum[2],ChargeNum[3]);}//end if//销售成功的操作if(Sum == goods[0].price){goods[0].totalCount --;Sale();tj[0].jrxl ++;tj[0].jrzje += Sum;}else if(Sum == goods[1].price){goods[1].totalCount --;Sale();tj[1].jrxl ++;tj[1].jrzje+= Sum;}else if(Sum == goods[2].price){goods[2].totalCount --;Sale();tj[2].jrxl ++;tj[2].jrzje+= Sum;}return true;}/**成功卖出操作的后台操作*/void Sale(){FILE* fp;if ((fp = fopen("d:\\goods.out", "w")) == NULL){printf ("未找到文件d:\\goods.out...系统将退出\n ");exit(0);}fprintf(fp,"%s %d %d\n",goods[0].name,goods[0].totalCount,goods[0].price);fprintf(fp,"%s %d %d\n",goods[1].name,goods[1].totalCount,goods[1].price);fprintf(fp,"%s %d %d\n",goods[2].name,goods[2].totalCount,goods[2].price);//关闭文件fclose(fp);fp = NULL;}//------------------------------------void Getsmalcharge(int Money,int *ChargeNum){if(Money<0)return;int Sum=Money;int charge[4]={1,2,5,10};ChargeNum[3]=Sum/charge[3];Sum=Sum%charge[3];ChargeNum[2]=Sum/charge[2];Sum=Sum%charge[2];ChargeNum[1]=Sum/charge[1];Sum=Sum%charge[1];ChargeNum[0]=Sum/charge[0];Sum=Sum%charge[0];}/***@return 1 口令正确0 口令错误,并返回销售界面*/int KouLing(){char kl[50];int count = 0,ret = 0;char rkl[50] = "admin";while(strcmp(rkl,kl) != 0){if(count == 0){printf("\n\t*******************************************");printf("\n\t****************管理口令验证***************\n");printf("\n\t·Tip·忘记口令，输入“cancel”，进入销售界面\n");printf("\n\t*******************************************\n\t\t");}else{printf("\n\t*******************************************");printf("\n\t****************管理口令验证***************\n");printf("\n\t·Tip·忘记口令，输入“cancel”，进入销售界面\n");printf("\n\t*******************************************");printf("\n\t\t\t\t输入错误次数：%d次\n\t\t",count);}count++;scanf("%s",kl);system("CLS");if(strcmp(kl,"cancel") == 0)break;}if(strcmp(kl,"cancel") == 0)ret = 0;elseret = 1;return ret;}/*** @ return '1' , '2'*/char ChooseJieMian(){char c = '3';while(true){system("cls");printf("\n\t*******************************************");printf("\n\t****************界面选择*******************\n");printf("\n\t·1·-销售界面- ·2·-管理界面-\n");printf("\n\t*******************************************\n\t\t");c = getchar();if(c == '1' || c == '2')break;}system("cls");return c;char ManageCenter(){while(true){int op = 7;while( !(op == 1|| op == 2 || op == 3 || op == 4|| op == 5 || op == 6)){system("cls");printf("\n\t*******************************************");printf("\n\t*************欢迎您，管理员****************\n");printf("\n\t·1·-库存查询- ·2·-商品上架-\n");printf("\n\t·3·-销售查询- ·4·-会计查询-\n");printf("\n\t·5·-结算功能- ·6·-销售界面-\n");printf("\n\t*******************************************\n\t\t");scanf("%d",&op);}bool flag = false;switch(op){case 1:{KunCun();}break;case 2:{ShangJia();}break;case 3:{TongJiFun();}break;case 4:{}break;case 5:{}break;case 6:{flag = true;}break;default:break;}if(flag)break;elsesystem("PAUSE");}return '1';}*从文件里读取商品信息@return 商品列表*/void loadGoodsFromFile(Goods* gs){//获得FILE 指针FILE* fp;if ((fp = fopen("d:\\goods.out", "r")) == NULL){printf ("未找到文件d:\\goods.out...系统将退出\n ");exit(0);}//Goods gs[3];int i = 0;while(!feof(fp)){fscanf(fp,"%s %d %d",gs[i].name,&gs[i].totalCount,&gs[i].price);i++;}//关闭文件fclose(fp);fp = NULL;}void KunCun(){int i = 0;printf("\n\t·商品名称··商品价格(元)··商品余量（件）·\n");for(i = 0; i < 3; ++i){printf("\n\t-%s-\t\t-%d-\t\t-%d-\n",goods[i].name,goods[i].price,goods[i].totalCount);}}void ShangJia(){printf("\n\t·Tip·正数增加，负数减少商品\n");int gs1 = 0,gs2 = 0,gs3 = 0;printf("\n\t\t-商品%s(余%d件): ",goods[0].name,goods[0].totalCount);scanf("%d",&gs1);printf("\n\t\t-商品%s(余%d件): ",goods[1].name,goods[1].totalCount);scanf("%d",&gs2);printf("\n\t\t-商品%s(余%d件): ",goods[2].name,goods[2].totalCount);scanf("%d",&gs3);goods[0].totalCount = gs1 + goods[0].totalCount < 0 ? 0:gs1 + goods[0].totalCount;goods[1].totalCount = gs2 + goods[1].totalCount < 0 ? 0:gs2 + goods[1].totalCount;goods[2].totalCount = gs3 + goods[2].totalCount < 0 ? 0:gs3 + goods[2].totalCount;//写文件//获得FILE 指针FILE* fp;if ((fp = fopen("d:\\goods.out", "w")) == NULL){printf ("未找到文件d:\\goods.out...系统将退出\n ");exit(0);}fprintf(fp,"%s %d %d\n",goods[0].name,goods[0].totalCount,goods[0].price);fprintf(fp,"%s %d %d\n",goods[1].name,goods[1].totalCount,goods[1].price);fprintf(fp,"%s %d %d\n",goods[2].name,goods[2].totalCount,goods[2].price);//关闭文件fclose(fp);fp = NULL;}void TongJiFun(){printf("\n\t·今日商品销售情况一览·\n");printf("\n\t\t-商品%s %d件共%d元-\n",goods[0].name,tj[0].jrxl,tj[0].jrzje);printf("\n\t\t-商品%s %d件共%d元-\n",goods[1].name,tj[1].jrxl,tj[1].jrzje);printf("\n\t\t-商品%s %d件共%d元-\n",goods[2].name,tj[2].jrxl,tj[2].jrzje);printf("\n\t·共计%d件，%d元·\n",tj[0].jrxl + tj[1].jrxl+tj[2].jrxl,tj[0].jrzje+tj[1].jrzje+tj[2].jrzje);}//Goods.htypedef struct _Goods{char name[50];int totalCount;int price;}Goods;typedef struct _TongJi{int jrxl;int jrzje;}TongJi;。