qq_37216472
Sometimes-Aw
2017-01-02 18:01

c++编写旅店信息管理系统

50
  • c++

在运行过程中Restaurant 文件出现乱码,不知该如何解决?
源代码如下:
#include #include #include #include #define MIN 1 //宏定义房间序号的最小值#define MAX 30 //宏定义房间序号的最大值#define LEN sizeof(struct Hotel) //用LEN代替结构体的"长度"char menu_select(); //函数声明 struct Hotel * regeist();void in_information(); void out_information(); void search_number(); void show_all(); void search_name();struct Hotel * change_change(); void change_save(struct Hotel *Q); void change(); void fire(); struct Hotel * fire_delet(); void fire_save(struct Hotel *Q);void check(int n);struct Hotel *load();struct Hotel //定义全局结构体变量{ int room_number; char name [20]; char sex[10]; char ID [20]; float paid[10]; int inyear ; int inmonth ; int inday ; struct Hotel *next ;};char menu_select () //定义menu_select函数,用来完成菜单功能{ char select ; printf ("\n\n--------------------------欢迎使用旅店信息管理系统---------------------------\n\n"); printf ("1.创建旅店信息\n2.查看旅店信息\n3.查看某一房间信息\n4.查看旅客信息\n"); printf ("5.查找某一旅客信息\n6.旅客入住\n7.旅客换房\n8.旅客退房\n9.退出管理系统\n"); printf ("\n-----------------------------------------------------------------------------\n"); select=getch(); return select ; //返回select的值}void in_information() //定义in_information函数,完成创建旅店信息功能{ FILE *fp; //定义文件指针 char ch,choice[2]; printf ("\n确定创建新的旅店信息吗?该操作将清除现有的旅店信息!(y/n):"); scanf ("%s",choice); if((strcmp(choice,"Y")!=0)&&(strcmp(choice,"y")!=0)) return; if ((fp=fopen("information.txt","w"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } printf("\n请创建新的旅店信息(以#结束):\n"); //提示输入旅店信息 ch=getchar(); while (ch!='#') //判断是否结束输入信息 { fputc(ch,fp); ch=getchar(); } fclose (fp); printf ("\n创建信息成功!"); //提示创建信息成功}void out_information() //定义out_information函数,完成查看旅店信息功能{ FILE *fp; char ch ; if ((fp=fopen("information.txt","r"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } ch=fgetc(fp); system("cls"); printf("\n\n\t\t\t旅店信息介绍: (若没有信息请返回创建)"); //开始输出旅店信息 printf ("\n-------------------------------------------------------------------------------\n\n\t"); while (ch!=EOF) { putchar(ch); ch=fgetc(fp); } fclose(fp); //文件用后一定要关闭 }struct Hotel * regeist () //定义regeist函数,用来完成旅客入住功能{ FILE *fp ; //定义文件指针 char ch[2] ; int number ; struct Hotel *head,*p1,*p2 ; head=NULL ; if((fp=fopen("resturant.txt","a+"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } do { p1=(struct Hotel *)malloc(LEN); //开辟新的节点 p2=(struct Hotel *)malloc(LEN); if ((p1==NULL)||(p2==NULL)) { printf ("动态内存分配失败!\n"); //如果动态内存分配失败,返回失败信息 getch(); exit(0); } printf ("\n请登记入住信息!\n"); //开始登记旅客信息 printf ("roomnumber(%d~%d):",MIN,MAX); scanf ("%d",&number); if (numberMAX) //假设该旅店只有1~30间房间 { printf ("\a\nError !"); return 0; } check (number); //检查该房间是否已经有旅客入住了 p1->room_number=number ; //在该房间没有旅客时,登记入住 printf ("name:\t"); scanf ("%s",&p1->name); printf ("sex:\t"); scanf ("%s",&p1->sex); printf ("ID:\t"); scanf ("%s",&p1->ID); printf ("paid:\t"); scanf ("%s",&p1->paid); printf ("date(年月日空格隔开):"); scanf ("%d %d %d",&p1->inyear,&p1->inmonth,&p1->inday); p1->next=NULL ; if(head==NULL) //将输入的信息保存到链表 { head=p1; p2=p1 ; } else { p2->next=p1; p2=p1 ; } fwrite(p2,LEN,1,fp); //将链表信息保存到磁盘文件 printf ("\n请选择是否继续登记信息 (y/n):"); //判断是否继续登记旅客信息 scanf ("%s",ch); if((strcmp(ch,"Y")!=0)&&(strcmp(ch,"y")!=0)) { fclose (fp); printf ("\n登记旅客入住信息成功!"); return(0); } }while(1) ; return (head) ; //登记完成后返回头链表指针}void search_number () //定义search_number函数,用来完成查看某一房间的信息{ char ch[2] ; int room_number ; //room_number用来储存需要查询的roomnumber struct Hotel *head, *pa ; head=load(); printf ("\n请输入需要查看的房间序号:(%d~%d):",MIN,MAX); scanf ("%d",&room_number); pa= head->next; if (room_numberMAX) //Error时,容错判断 { printf ("\a\nError!"); return ; } for(;;) //for语句循环 { if (pa) { if(room_number==pa->room_number) //遍历链表,如果找到相应信息,则输出 { printf ("\n"); printf ("roomnumber:\t%d",pa->room_number); printf ("\n"); printf ("name:\t\t%s",pa->name); printf ("\n"); printf ("sex:\t\t%s",pa->sex); printf ("\n"); printf ("ID:\t\t%s",pa->ID); printf ("\n"); printf ("paid:\t\t%s",pa->paid); printf ("\n"); printf ("%d %d %d",pa->inyear,pa->inmonth,pa->inday); printf ("\n"); printf ("\n请选择是否继续查看信息(y/n):\n"); //提示是否继续查看 scanf ("%s",ch); if((strcmp(ch,"Y")!=0)&&(strcmp(ch,"y")!=0)) { getch(); return; } else { printf ("\n请输入需要查看的房间序号:(%d~%d):",MIN,MAX); scanf ("%d",&room_number); pa= head->next; if (room_numberMAX) { printf ("\a Error !"); return; } continue ; //跳出该层循环 } } pa = pa->next; //时pa的下一个指针赋值给pa } else { printf ("\n该房间还没有旅客入住"); //如果该房间还没有旅客入住,返回相应信息 return; } }}void show_all() //定义是show_all函数,用来显示所有旅客信息{ struct Hotel *head, *pa ; head=load(); pa= head->next; printf ("\n所有入住旅客的信息如下:\n"); while (pa) //显示所有的旅客信息 { printf ("\n"); printf ("roomnumber:\t%d",pa->room_number); printf ("\n"); printf ("name:\t\t%s",pa->name); printf ("\n"); printf ("sex:\t\t%s",pa->sex); printf ("\n"); printf ("ID:\t\t%s",pa->ID); printf ("\n"); printf ("paid:\t\t%s",pa->paid); printf ("\n"); printf ("date:\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday); printf ("\n"); pa = pa->next; }}void search_name () //定义search_name函数,用来完成查看某一旅客的信息{ char ch[2] ; char inname[20] ; //用数组inname[20]来储存需要查询的旅客name struct Hotel *head, *pa ; head=load(); printf ("\n请输入需要查看的旅客姓名:"); scanf ("%s",inname); pa= head->next; for (;;) { if (pa) { if(strcmp(inname,pa->name)==0) { printf ("\n"); printf ("roomnumber:\t%d",pa->room_number); printf ("\n"); printf ("name:\t\t%s",pa->name); printf ("\n"); printf ("sex:\t\t%s",pa->sex); printf ("\n"); printf ("ID:\t\t%s",pa->ID); printf ("\n"); printf ("paid:\t\t%s",pa->paid); printf ("\n"); printf ("date:\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday); printf ("\n"); printf ("\n请选择是否继续查看信息(y/n):\n"); scanf ("%s",ch); if((strcmp(ch,"Y")!=0)&&(strcmp(ch,"y")!=0)) { getch(); return; } else { printf ("\n请输入需要查看的旅客姓名:"); scanf ("%s",inname); pa= head->next; continue ; } } pa = pa->next; } else { printf ("\n没有查到该旅客的信息"); //没有此人时,返回相应信息 return ; } }}void change(){ struct Hotel *M ; M=change_change(); change_save(M);}struct Hotel * change_change (){ int room_number ; //room_number用来储存需要换房的roomnumber int newroom_number ; struct Hotel *head, *pa ; head=load(); printf ("\n请输入需要换房的房间序号:(%d~%d):",MIN,MAX); scanf ("%d",&room_number); if (room_numberMAX) //容错判断 { printf ("\aError!"); exit(0) ; } pa= head->next; for (;;) //for语句循环 { if (pa) { if(room_number==pa->room_number) { printf ("\n"); printf ("roomnumber:\t%d",pa->room_number); printf ("\n"); printf ("name:\t\t%s",pa->name); printf ("\n"); printf ("sex:\t\t%s",pa->sex); printf ("\n"); printf ("ID:\t\t%s",pa->ID); printf ("\n"); printf ("paid:\t\t%s",pa->paid); printf ("\n"); printf ("date:\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday); printf ("\n"); printf ("\n请输入需要换到的房间序号:(%d~%d):",MIN,MAX); scanf ("%d",&newroom_number); if (newroom_numberMAX) { printf ("\aError!"); exit(0); } check (newroom_number); pa->room_number=newroom_number ; break ; } pa = pa->next; } else { printf ("\n该房间还没有旅客入住!\n"); exit(0); } } return (head) ;}void change_save(struct Hotel *Q){ FILE *fp ; struct Hotel *L ; L=Q->next ; if((fp=fopen("resturant.txt","wb"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } while(L) { fwrite(L,LEN,1,fp); L=L->next ; } fclose(fp); printf ("\n换房成功!");}void fire(){ struct Hotel *M ; M=fire_delet(); fire_save(M);}struct Hotel * fire_delet(){ char inname[20] ; //用数组inname[20]来储存需要退房旅客name struct Hotel *head, *previous,*pa ; head=load(); previous=(struct Hotel *)malloc(LEN); //开辟新的节点 if (previous==NULL) { printf ("动态内存分配失败!\n"); //如果动态内存分配失败,返回失败信息 getch(); exit(0); } printf ("\n请输入需要退房的旅客姓名:"); scanf ("%s",inname); pa=head->next ; for(;;) { if (pa) { if(strcmp(inname,pa->name)==0) { printf ("\n"); printf ("roomnumber:\t%d",pa->room_number); printf ("\n"); printf ("name:\t\t%s",pa->name); printf ("\n"); printf ("sex:\t\t%s",pa->sex); printf ("\n"); printf ("ID:\t\t%s",pa->ID); printf ("\n"); printf ("paid:\t\t%s",pa->paid); printf ("\n"); printf ("date:\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday); printf ("\n"); if(pa==head) { head=pa->next; return head ; } else { previous=head ; while(previous->next != pa) //找到需要查找节点的前一个节点 previous=previous->next ; if (pa->next==NULL) previous->next=NULL ; else previous->next=pa->next ; break ; } } pa = pa->next; } else { printf ("\n没有查找到该旅客的信息!\n"); getch(); exit(0); } } return (head) ;}void fire_save(struct Hotel *Q){ FILE *fp ; struct Hotel *L ; L=Q->next ; if((fp=fopen("resturant.txt","wb"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } while(L) { fwrite(L,LEN,1,fp); L=L->next ; } fclose(fp); printf ("\n退房成功!");}void check(int n) //定义check函数,用来检查登记时房间是否已经有旅客入住{ FILE *fp ; struct Hotel *head, *pa,*pb, *s ; pa=(struct Hotel *)malloc(LEN); //开辟新的节点 pb=(struct Hotel *)malloc(LEN); s =(struct Hotel *)malloc(LEN); head = pb; if((pa==NULL)||(pb==NULL)||(s==NULL)) { printf ("内存分配失败!\n"); getch(); exit(0); } if((fp=fopen("resturant.txt","rb"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } while (fread (s,LEN,1,fp)) //读取当前的信息,并存到链表中 { pb->next = s; pb = s; s = (struct Hotel *)malloc(LEN); } pb->next =NULL; pa=head ;while (pa){ if (pa->room_number==n) { printf ("\n%d号房间已经有旅客入住了!\n",n); getch(); exit(0); } pa=pa->next ;}}struct Hotel *load() //定义load函数读取当前的信息,并存到链表中{ FILE *fp ; struct Hotel *head,*pb, *s ; pb=(struct Hotel *)malloc(LEN); //开辟新的节点 s =(struct Hotel *)malloc(LEN); if((pb==NULL)||(s==NULL)) { printf ("动态内存分配失败!\n"); getch(); exit(0); } if((fp=fopen("resturant.txt","rb"))==NULL) { printf ("无法打开文件!\n"); getch(); exit(0); } head = pb; while (fread (s,LEN,1,fp)) //读取当前的信息,并存到链表中 { pb->next = s; pb = s; s = (struct Hotel *)malloc(LEN); } pb->next =NULL; return head ; //返回链表的头指针}int main () //主函数部分,调用若干子函数完成相应的功能{ char choice ; do { choice=menu_select(); switch (choice) //switch 语句,选择判断 { case '1':in_information();break; case '2':out_information();break; case '3':search_number();break; case '4':show_all();break; case '5':search_name();break; case '6':regeist();break; case '7':change();break; case '8':fire();break; case '9':exit(0);break; //退出旅店信息管理系统 default :printf ("\aError !");break ; //default 语句 } printf ("\n\n请按任意键继续 !\n"); getch(); system("cls"); }while(1); return 0 ;}

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