1、#include<stdio.h>#include<stdlib.h>#include<string.h>structconsumer(charstu_name30,stu_Place20;徙義客戶姓名，地點charstu_time20,stu_madetime20,stu_memu20;定義用餐時間，訂單生成時間，菜血一-intstu_num;用餐人數order;voidreserve()/ff餐(inti;printf("請輸入客戶姓名：");scanf("%s",&order.stu_name);strc

2、at(order.stu_name,”.txt”);/務后一個字符申加到前一個FILE*fp1=fopen(order.stu_name,"w");/打開文檔if(fp1=NULL)/若文件打開失敗(printf("文件打開失敗n");exit(0);總表.txt","a+");/打開文檔if(fp2=NULL)/若文件打開失敗(printf("文件打開失敗n");exit(0);fprintf(fp1,”客戶姓名：sn”,order.stu_name);fprintf(fp2,”客戶姓名：sn”,ord

3、er.stu_name);printf("請輸入用餐人數：");scanf("%d",&order.stu_num);fprintf(fp1,”用餐人數：dn”,order.stu_num);fprintf(fp2,”用餐人數：dn”,order.stu_num);printf("請輸入用餐時間：");scanf("%s",&order.stu_time);fprintf(fp1,”用餐時間：sn”,order.stu_time);fprintf(fp2,”用餐時間:%sn",order.

4、stu_time);printf（"請輸入包問或餐桌號:"）;scanf("%s",&order.stu_Place);fprintf(fp1,"包問號餐桌號:%sn",order.stu_Place);fprintf(fp2,"包問號餐桌號:%sn",order.stu_Place);printf(-請點菜:");fprintf(fp1,"所點的菜:");fprintf(fp2,"所點的菜:");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(”請輸入訂單生成時間:");scanf("%s",&order.stu_madetime);fprintf(fp1,"n訂單生成時間:%s",order.stu_madetime);fprintf(fp2,"n訂單生成

6、時間:%s",order.stu_madetime);voidfind()/查詢charline1150;charline2150;charline3150;charline4150;charline5150;charline6150;printf(”請輸入客戶名：");scanf("%s",&order.stu_name);strcat(order.stu_name,".txt");FILE*fp;if(fp=fopen(order.stu_name,"r")=NULL)/打開文檔；printf(-客戶不

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);/讀取文檔和顯示輸出；fclose(fp);getchar();voiddeletes。/®除charline1150;charline2150;charline3150;charline4150;charline5150;charline6150;charreason150;charchoice;printf(”請輸入客戶姓名：n");scanf("%s",&order.stu_name);strcat(order.stu_name,".txt");FILE*fp;if(fp=fopen(

9、order.stu_name,"r")=NULL)/打開文檔;printf(-無該用戶");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);/讀取文檔和顯示輸出；printf(-是否確認刪除y/n");scanf("%s",&choice);if(choice='n')exit(0);elseprintf(-請輸入您的聯系方式和退訂原因：");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)/打開文檔;printf(-無該客戶");exit(0);if(remove(order.stu_name)=0)/刪除文檔；printf("已刪除成功!");exit(0);else(printf("對不起!刪除失敗!");fclose(fp);voida

12、ppraise()/W價(charstu_name20;charevaluate500;printf(”請輸入客戶姓名：");scanf("%s",&order.stu_name);strcat(order.stu_name,".txt");FILE*fp=fopen(order.stu_name,"a+");/將文檔打開printf("請輸入評價：");scanf("%s",&evaluate);FILE*fp1;總表.txt","a+"

13、)=NULL)(printf("fail");exit(0);fprintf(fp1,"%s",evaluate);fclose(fp1);fprintf(fp,"%sn",evaluate);fclose(fp);printf("評價成功，歡迎下次再來");intmain()(intchoice,x=1;while(1)(printf("nn");printf("n");printf("+訂餐管理系統printf("|1-訂餐|+|2-查詢|n");價|n");n");n");printf("|3-刪除|+|4-評printf("|0-結束|printf("printf("請選擇所要選擇的功能：");scanf("%d",&choice);getchar();switch(choice)case0