C语言订餐系统

1、#include <stdio.h>#include <stdlib.h>#include <string.h>struct consumer char stu_name30,stu_Place20;/定义客户姓名，地点char stu_time20,stu_madetime20,stu_memu20; /定义用餐时间，订单生成时间，菜单int stu_num; /用餐人数order;void reserve()/订餐int i;printf("请输入客户姓名：");scanf("%s",&order.stu_

2、name);strcat(order.stu_name,".txt");/将后一个字符串加到前一个FILE *fp1=fopen(order.stu_name,"w");/打开文档if(fp1=NULL)/若文件打开失败 printf("文件打开失败n");exit(0);FILE *fp2=fopen("d:总表.txt","a+");/打开文档if(fp2=NULL)/若文件打开失败 printf("文件打开失败n");exit(0);fprintf(fp1,"

3、客户姓名:%sn",order.stu_name);fprintf(fp2,"客户姓名:%sn",order.stu_name);printf("请输入用餐人数：");scanf("%d",&order.stu_num);fprintf(fp1,"用餐人数:%dn",order.stu_num);fprintf(fp2,"用餐人数:%dn",order.stu_num); printf("请输入用餐时间：");scanf("%s",&am

4、p;order.stu_time);fprintf(fp1,"用餐时间:%sn",order.stu_time);fprintf(fp2,"用餐时间:%sn",order.stu_time);printf("请输入包间或餐桌号:");scanf("%s",&order.stu_Place);fprintf(fp1,"包间号餐桌号:%sn",order.stu_Place);fprintf(fp2,"包间号餐桌号:%sn",order.stu_Place); print

5、f("请点菜:");fprintf(fp1,"所点的菜:");fprintf(fp2,"所点的菜:");for(i=1;i+)scanf("%s",&order.stu_memu);fprintf(fp1,"%s ",&order.stu_memu);fprintf(fp2,"%s ",&order.stu_memu);if(getchar()='n')break;printf("请输入订单生成时间:");scanf

6、("%s",&order.stu_madetime);fprintf(fp1,"n订单生成时间:%s",order.stu_madetime);fprintf(fp2,"n订单生成时间:%s",order.stu_madetime);void find()/查询char line1150;char line2150;char line3150;char line4150;char line5150;char line6150;printf("请输入客户名：");scanf("%s",&a

7、mp;order.stu_name);strcat(order.stu_name,".txt");FILE *fp;if(fp=fopen(order.stu_name,"r")=NULL)/打开文档；printf("客户不存在");exit(0);fgets(line1,150,fp);printf("%sn",line1);fgets(line2,150,fp);printf("%sn",line2);fgets(line3,150,fp);printf("%sn",li

8、ne3);fgets(line4,150,fp);printf("%sn",line4);fgets(line5,150,fp);printf("%sn",line5);fgets(line6,150,fp);printf("%sn",line6);/读取文档和显示输出；fclose(fp);getchar(); void deletes()/删除char line1150;char line2150;char line3150;char line4150;char line5150;char line6150;char reason

9、150;char choice;printf("请输入客户姓名:n");scanf("%s",&order.stu_name);strcat(order.stu_name,".txt");FILE *fp;if(fp=fopen(order.stu_name,"r")=NULL)/打开文档；printf("无该用户");exit(0);fgets(line1,100,fp);printf("%s",line1);fgets(line2,100,fp);printf(&

10、quot;%s",line2);fgets(line3,100,fp);printf("%s",line3);fgets(line4,100,fp);printf("%s",line4);fgets(line5,100,fp);printf("%s",line5);fgets(line6,100,fp);printf("%s",line6);fclose(fp);/读取文档和显示输出；printf("是否确认删除y/n");scanf("%s",&choic

11、e);if(choice='n')exit(0);elseprintf("请输入您的联系方式和退订原因：");scanf("%s",&reason);FILE *fp2;if(fp2=fopen("d:原因.txt","a+")=NULL)printf("fail");exit(0); fprintf(fp2,"%s",reason);fclose(fp2);strcat(order.stu_name,".txt");FILE *f

12、p;if(fp=fopen(order.stu_name,"r")=NULL)/打开文档；printf("无该客户");exit(0);if(remove(order.stu_name)=0)/删除文档；printf("已删除成功!");exit(0);elseprintf("对不起!删除失败!");fclose(fp);void appraise()/评价char stu_name20;char evaluate500;printf("请输入客户姓名：");scanf("%s&quo

13、t;,&order.stu_name);strcat(order.stu_name,".txt");FILE *fp=fopen(order.stu_name,"a+");/将文档打开printf("请输入评价: ");scanf("%s",&evaluate);FILE *fp1;if(fp1=fopen("d:总表.txt","a+")=NULL)printf("fail");exit(0); fprintf(fp1,"%s&

14、quot;,evaluate);fclose(fp1);fprintf(fp,"%sn",evaluate);fclose(fp);printf("评价成功，欢迎下次再来");int main()int choice,x=1; while(1) printf(" = = nn"); printf(" 订餐管理系统 n"); printf(" + + nn"); printf(" | 1-订餐 | + | 2-查询 |n"); printf(" | 3-删除 | + | 4-评价 |n"); printf(" | 0-结束 | n"); printf(" = = n"); printf("请选择所要选择的功能: "); scanf("%d",&choice); getchar(); switch(choice