C语言订餐系统

1、#include<stdio.h>#include<stdlib.h>#include<string.h>structconsumer(charstu_name30,stu_Place20;徙义客户姓名，地点charstu_time20,stu_madetime20,stu_memu20;定义用餐时间，订单生成时间，菜血一-intstu_num;用餐人数order;voidreserve()/ff餐(inti;printf("请输入客户姓名：");scanf("%s",&order.stu_name);strc

2、at(order.stu_name,”.txt”);/务后一个字符申加到前一个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);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,”客户姓名：sn”,order.stu_name);fprintf(fp2,”客户姓名：sn”,ord

3、er.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",&order.stu_time);fprintf(fp1,”用餐时间：sn”,order.stu_time);fprintf(fp2,”用餐时间:%sn",order.

4、stu_time);printf（"请输入包问或餐桌号:"）;scanf("%s",&order.stu_Place);fprintf(fp1,"包问号餐桌号:%sn",order.stu_Place);fprintf(fp2,"包问号餐桌号:%sn",order.stu_Place);printf(-请点菜:");fprintf(fp1,"所点的菜:");fprintf(fp2,"所点的菜:");for(i=1;i+)scanf("%s"

5、;,&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("%s",&order.stu_madetime);fprintf(fp1,"n订单生成时间:%s",order.stu_madetime);fprintf(fp2,"n订单生成

6、时间:%s",order.stu_madetime);voidfind()/查询charline1150;charline2150;charline3150;charline4150;charline5150;charline6150;printf(”请输入客户名：");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(-客户不

7、存在");exit(0);fgets(line1,150,fp);printf("%sn",line1);fgets(line2,150,fp);printf("%sn",line2);fgets(line3,150,fp);printf("%sn",line3);fgets(line4,150,fp);printf("%sn",line4);fgets(line5,150,fp);printf("%sn",line5);fgets(line6,150,fp);printf("

8、;%sn",line6);/读取文档和显示输出；fclose(fp);getchar();voiddeletes。/®除charline1150;charline2150;charline3150;charline4150;charline5150;charline6150;charreason150;charchoice;printf(”请输入客户姓名：n");scanf("%s",&order.stu_name);strcat(order.stu_name,".txt");FILE*fp;if(fp=fopen(

9、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("%s",line2);fgets(line3,100,fp);printf("%s",line3);fgets(line4,100,fp);printf("%s",line4);fgets(line5,100,fp);printf("%s

10、",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",&choice);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;原因.txt","a+")=NULL)printf("fail&q

11、uot;);exit(0);fprintf(fp2,"%s”,reason);fclose(fp2);strcat(order.stu_name,”.txt");FILE*fp;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);else(printf("对不起!删除失败!");fclose(fp);voida

12、ppraise()/W价(charstu_name20;charevaluate500;printf(”请输入客户姓名：");scanf("%s",&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;总表.txt","a+"

13、)=NULL)(printf("fail");exit(0);fprintf(fp1,"%s",evaluate);fclose(fp1);fprintf(fp,"%sn",evaluate);fclose(fp);printf("评价成功，欢迎下次再来");intmain()(intchoice,x=1;while(1)(printf("nn");printf("n");printf("+订餐管理系统printf("|1-订餐|+|2-查询|n");价|n");n");n");printf("|3-删除|+|4-评printf("|0-结束|printf("printf("请选择所要选择的功能：");scanf("%d",&choice);getchar();switch(choice)case0