C语言课设——酒店预订管理系统

课设要求：

客房信息管理。

客人预订及入住信息管理。

各种查询和统计功能。

本系统要有通用性、界面美观、操作方便。要考虑系统安全。可增加其他有用的功能。

头文件function.h

#pragma once
#include <stdio.h>
#include "struct.h"
void color1();//背景颜色
void changecolor1();//修改背景颜色
void registers();//登录,验证密码
void showroomtype();//显示房间类型
void inquirevacant();//查询选择的房间是否有空房，并输出查询结果。
void interface();//显示界面
Room* readroom();//从文件里面读出来room放到链表里面
void saveroom();//保存文件信息
void emptyroom();//清空一个房间
void inputroom();//填写一个房间
Order* exploitorderhead();//开辟一个订单头
void chooseroomtype();//选择房间类型
int judgeid();//判断身份证号码是否符合要求
int judgephone();//判断电话号是否符合要求11位全数字
void openroom();//开房
void saveorder();//保存订单
Order* readorder();//读取订单
int Check_date1();//检验日期是否合法
int Check_date2();//检验日期是否合法
void deletedisabledorder();//删除失效订单
int Check_date3();//检验日期是否合法
void checkchar();//将字符串后面的\n去掉
void checkchar1();//将字符串后面加上\n
void changeorder();//修改订单
void deleteorder();//删除订单
void changeKEY();//修改密码
void search2();//查询订单
void search1();//查询房间
void statistics();//统计订单
int time_1();// 检查订单时间是否大于输入时间
int Check_date4();
void read_();//读取数据
void backups();//备份
int FindSubstring();//查询字串

头文件struct.h

#pragma once
typedef struct costomer {char name[40];char idcard[20];char phonenumber[20];
}Costomer;
typedef struct room {char roomnumber[10];char type[10];int flag;Costomer u;struct room* rnext;}Room;
typedef struct order {Room* room_;int hour[2];int day[2];int mon[2];int year[2];struct order* onext;
}Order;
typedef struct administrator {char username[20];char password[20];
}Administrator;

function.c

#include "function.h"
#include <stdlib.h >
#include "struct.h"
#include <string.h>
#include <time.h>
#include <windows.h>
#include <stdio.h>
extern Room* rhead;
extern Order* ohead;
void registers() {time_t timep;struct tm* p;time(&timep);p = gmtime(&timep);char s[15], c[15];FILE* fp = fopen("password.txt", "r");if (fp == NULL) {printf("Failed to open file");}fgets(s, 14, fp);//读出文件中的密码fclose(fp);color1();//根据之前修改的颜色更新系统颜色printf("\n请输入登录密码:");gets(c);while (strcmp(c, s) != 0) { //判断密码是否正确，不正确的话重新输入。printf("\n密码错误请重试");gets(c);}if (strcmp(c, s) == 0) {read_();while (1){system("cls");//清空界面color1();//根据之前修改的颜色更新系统颜色printf("\n\n\n\n");printf(" ***********************************************\n");printf(" ^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^ ^_^\n");printf(" ***********************************************\n");printf("_______________________________________________\n");printf("┃                                            ┃\n");printf("┃              酒店预约管理系统              ┃\n");printf("┃            欢迎来到白山黑水酒店！          ┃\n");printf("┃            现在是%d年", 1900 + p->tm_year);/*获取当前年份,从知1900开始，所以要加1900*/printf("%d月", 1 + p->tm_mon);/*获取当前月份,范围是0-11,所以要加1*/printf("%d日", p->tm_mday);/*获取当前月份日数,范围是1-31*/printf("%d时", 8 + p->tm_hour);/*获取当前时,这里获取西方的时百间,刚好相差八个度小时*/printf("         ┃\n");printf("┃                                            ┃\n");printf("┃                                            ┃\n");printf("┃____________________________________________┃\n");printf("***********************************************\n");printf("***********************************************\n");printf("**            1.客户入住信息登记             **\n");printf("**            2.修改背景颜色                 **\n");printf("**            3.修改密码                     **\n");printf("**            4.查询信息                     **\n");printf("**            5.修改订单信息                 **\n");printf("**            6.删除订单                     **\n");printf("**            7.统计信息                     **\n");printf("**            8.备份                         **\n");printf("**            9.退出并保存                   **\n");printf("***********************************************\n");printf("***********************************************\n");printf("***********************************************\n");printf("^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^  ^_^ ^_^\n");printf("***********************************************\n");printf("               选择操作：");int m;char t[20];scanf("%d", &m);while (m < 1 || m>9) { printf("\n请按要求输入"); scanf("%d", &m); }if (m== 9){saveorder();saveroom();}switch (m) {case 1: { chooseroomtype(); break; }case 2: {changecolor1(); break; }case 3:changeKEY(); break;case 4: { {system("cls");printf("选择查询类别：\n");printf("1.查询房间信息\n");printf("2.查询订单信息\n");printf("输入选项：");gets(t);while ((strcmp(t, "1") != 0) && (strcmp(t, "2") != 0)) {printf("\n请按要求输入\n");gets(t);fflush(stdin);}if ((strcmp(t, "1") == 0))search1();//查询房间if ((strcmp(t, "2") == 0))search2();//查询订单}; break; }case 5: {changeorder(); break; }case 6: {deleteorder(); break; }case 7: {statistics(); break; }case 8: {backups(); break; }case 9: {exit(0); break; }}}}
}
Room* readroom()//从文件里面读出来room放到链表里面
{FILE* fp = NULL;char ch;Room* rhead;rhead = (Room*)malloc(sizeof(Room));if (rhead != NULL){rhead->rnext = NULL;}Room* p = rhead;Room* q = rhead;if ((fp = fopen("room.txt", "r+")) == NULL){printf("can't open the file\n");system("pause");return NULL;}while (!feof(fp)){p = (Room*)malloc(sizeof(Room));fgets(p->roomnumber, 20, fp);//读进来的还有换行符//printf("%s\n",p->roomnumber);fgets(p->type, 20, fp);//读进来的还有换行符//printf("%s\n",p->type);fscanf(fp, "%d", &(p->flag));//printf("%d\n",p->flag);ch = fgetc(fp);ch = fgetc(fp);q->rnext = p;q = p;}q->rnext = NULL;fclose(fp);return rhead;//返回指针的头
}
void saveroom() {FILE* fp = NULL;Room* p = rhead->rnext;if ((fp = fopen("room.txt", "w")) == NULL){printf("can't open the room file\n");system("pause");}while (p != NULL) {fputs(p->roomnumber, fp);fputs(p->type, fp);fprintf(fp, "%d", p->flag);fputc('\n', fp);if (p->rnext != NULL)fputc('\n', fp);p = p->rnext;}fclose(fp);
}
void emptyroom(char roomnumber_[10])//清空一个房间
{Room* p = rhead->rnext;while (p != NULL) {if (strcmp(roomnumber_, p->roomnumber) == 0) {p->flag = 0;break;}p = p->rnext;}
}
int judgeid(char t[])
{int flag = 0;int i = 0;for (i = 0; i < 18; i++) {if (i <= 16)if (t[i] < '9' && t[i]>'0')flag = 0;else flag = 1;if (i == 17)if (t[i] == 'X' || (t[i] < '9' && t[i]>'0'))flag = 0;else flag = 1;}return flag;//身份证号码符合规则的话返回0，else返回1.
}
int judgephone(char t[]) {int flag = 0;int i = 0;for (i = 0; i < 11; i++) {if (t[i] <= '9' && t[i] >= '0')flag = 0;else flag = 1;}return flag;//电话号符合规则的话返回0，else返回1.
}
Order* exploitorderhead() {ohead = (Order*)malloc(sizeof(Order));if (ohead != NULL){ohead->onext = NULL;return ohead;}elseprintf("开辟订单头失败\n");
}
void chooseroomtype() {char c[20];char choice[10];while (1) {system("cls");printf("房间类型:\n");printf("1.single\n");printf("2.double\n");printf("3.triple\n");printf("4.four\n");printf("5.返回上一层\n");printf("请输入你的选择:");fflush(stdin);rewind(stdin);gets(c);while ((strcmp(c, "1") != 0) && (strcmp(c, "2") != 0) && (strcmp(c, "3") != 0) && (strcmp(c, "4") != 0) && (strcmp(c, "5") != 0)) {printf("选择有误，请重新输入:");gets(c);}{if (strcmp(c, "1") == 0) {strcpy(choice, "single\n");openroom(choice);}if (strcmp(c, "2") == 0) {strcpy(choice, "double\n");openroom(choice);}if (strcmp(c, "3") == 0) {strcpy(choice, "triple\n");openroom(choice);}if (strcmp(c, "4") == 0) {strcpy(choice, "four\n");openroom(choice);}if (strcmp(c, "5") == 0) {break;system("pause");}}}}
void inquirevacant(char c[])
{int flag1 = 0, flag2 = 0, flag3 = 0, flag4 = 0;Room* p = rhead;while (p != NULL) {if (p->flag == 0) {if (strcmp(p->type, "single\n") == 0)flag1++;if (strcmp(p->type, "double\n") == 0)flag2++;if (strcmp(p->type, "triple\n") == 0)flag3++;if (strcmp(p->type, "four\n") == 0)flag4++;}p = p->rnext;}if (strcmp(c, "single\n") == 0){if (flag1 >= 1) {printf("房间类型选择成功\n");openroom(c);}else{printf("抱歉，该类房间没有空房，请重新选择");system("pause");system("cls");chooseroomtype();}}if (strcmp(c, "double\n") == 0){if (flag2 >= 1) {printf("房间类型选择成功\n");openroom(c);}else{printf("抱歉，该类房间没有空房，请重新选择");system("pause");system("cls");chooseroomtype();}}if (strcmp(c, "triple\n") == 0){if (flag3 >= 1) {printf("房间类型选择成功\n");openroom(c);}else{printf("抱歉，该类房间没有空房，请重新选择");system("pause");system("cls");chooseroomtype();}}if (strcmp(c, "four\n") == 0){if (flag4 >= 1) {printf("房间类型选择成功\n");openroom(c);}else{printf("抱歉，该类房间没有空房，请重新选择");system("pause");system("cls");chooseroomtype();}}
}
void openroom(char t[]) {Room* p = rhead;Order* op = ohead;while (op->onext != NULL) {op = op->onext;}//找到指针末尾。Order* oop = (Order*)malloc(sizeof(Order));op->onext = oop;oop->onext = NULL;char id[40];char phonenumber_[20];while (p != NULL) {if (p->flag == 0 && strcmp(p->type, t) == 0) {p->flag = 1;oop->room_ = p;printf("请输入房主姓名：");fflush(stdin);rewind(stdin);scanf("%s", p->u.name);checkchar1(p->u.name);//加上\n方便以后判断printf("请输入18位的身份证号码：");fflush(stdin);rewind(stdin);scanf("%s", id);while (strlen(id) != 18 || judgeid(id) != 0) {//判断身份证号是否符合规则。printf("身份证号码格式有误，请重新输入:");fflush(stdin);rewind(stdin);scanf("%s", id);}checkchar1(id);//加上\n方便以后判断strcpy(p->u.idcard, id);printf("请输入11位电话号：");fflush(stdin);rewind(stdin);scanf("%s", phonenumber_);while (strlen(phonenumber_) != 11 || judgephone(phonenumber_) != 0){//判断电话号号是否符合规则。printf("电话号不符合要求，请重新输入:");fflush(stdin);rewind(stdin);scanf("%s", phonenumber_);}checkchar1(phonenumber_);//加上\n方便以后判断strcpy(p->u.phonenumber, phonenumber_);printf("请输入入住时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &oop->year[0], &oop->mon[0], &oop->day[0], &oop->hour[0])) != 4 || Check_date1(oop->year, oop->mon, oop->day, oop->hour) != 0) {//判断日期是否大于当前日期printf("日期输入有误，");printf("请重新输入入住时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);}printf("请输入离开时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &oop->year[1], &oop->mon[1], &oop->day[1], &oop->hour[1])) != 4 || Check_date2(oop->year, oop->mon, oop->day, oop->hour) != 0) {//判断离开日期是否入住当前日期printf("日期输入有误，");printf("请重新输入离开时间：年月日时(24时）中间请用/隔开：");}printf("您的房间号码：%s", p->roomnumber);printf("创建订单成功\n");fflush(stdin);rewind(stdin);break;}p = p->rnext;}system("pause");
}
void showroomtype() {system("cls");printf("房间类型:\n");printf("1.single\n");printf("2.double\n");printf("3.triple\n");printf("4.four\n");
}
void saveorder() {FILE* fp = NULL;if ((fp = fopen("order.txt", "w")) == NULL){printf("can't built the order file\n");system("pause");}Order* p = ohead->onext;while (p != NULL) {fputs(p->room_->roomnumber, fp);//连换行符一起保存fputs(p->room_->type, fp);//连换行符一起保存fputs(p->room_->u.name, fp);//连换行符一起保存fputs(p->room_->u.idcard, fp);//连换行符一起保存fputs(p->room_->u.phonenumber, fp);//连换行符一起保存fprintf(fp, "%d", p->year[0]);fputc('/', fp);fprintf(fp, "%d", p->mon[0]);fputc('/', fp);fprintf(fp, "%d", p->day[0]);fputc('/', fp);fprintf(fp, "%d", p->hour[0]);fputc('\n', fp);fprintf(fp, "%d", p->year[1]);fputc('/', fp);fprintf(fp, "%d", p->mon[1]);fputc('/', fp);fprintf(fp, "%d", p->day[1]);fputc('/', fp);fprintf(fp, "%d", p->hour[1]);fputc('\n', fp);if (p->onext != NULL)fputc('\n', fp);p = p->onext;}fclose(fp);}
Order* readorder() {FILE* fp = NULL;char ch;Order* ohead = exploitorderhead();Order* p = ohead;Order* q = ohead;Room* u;if ((fp = fopen("order.txt", "r+")) == NULL){printf("can't open the file\n");system("pause");return NULL;}ch = fgetc(fp);if (!feof(fp)) {rewind(fp);while (!feof(fp)){p = (Order*)malloc(sizeof(Order));u = (Room*)malloc(sizeof(Room));p->room_ = u;fgets(p->room_->roomnumber, 40, fp);//读进来的还有换行符fgets(p->room_->type, 10, fp);//读进来的还有换行符fgets(p->room_->u.name, 40, fp);//读进来的还有换行符fgets(p->room_->u.idcard, 20, fp);//读进来的还有换行符fgets(p->room_->u.phonenumber, 20, fp);//读进来的还有换行符fscanf(fp, "%d/%d/%d/%d", &p->year[0], &p->mon[0], &p->day[0], &p->hour[0]);ch = fgetc(fp);fscanf(fp, "%d/%d/%d/%d", &p->year[1], &p->mon[1], &p->day[1], &p->hour[1]);ch = fgetc(fp);ch = fgetc(fp);q->onext = p;q = p;}}q->onext = NULL;fclose(fp);return ohead;
}
int Check_date1(int year_[2], int month_[2], int date_[2], int hour_[2]) {int flag = 0;time_t timep;struct tm* p;time(&timep);p = gmtime(&timep);/*printf("%d\n", p->tm_sec); 获取当前秒printf("%d\n", p->tm_min);获取当前分printf("%d\n", 8 + p->tm_hour);获取当前时,这里获取西方的时间,刚好相差八个小时printf("%d\n", p->tm_mday);获取当前月份日数,范围是1-31printf("%d\n", 1 + p->tm_mon);获取当前月份,范围是0-11,所以要加1printf("%d\n", 1900 + p->tm_year);获取当前年份,从1900开始，所以要加1900printf("%d\n", p->tm_yday); 从今年1月1日算起至今的天数，范围为0-36*/unsigned char Month_buf[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };if (month_[0] == 2)(((year_[0] % 4 == 0) && (year_[0] % 100 != 0)) || (year_[0] % 400 == 0)) ? Month_buf[1] += 1 : Month_buf[1];if (month_[0] > 12 || month_[0]<1 || date_[0]>Month_buf[month_[0] - 1] || date_[0] < 1 || hour_[0] < 0 || hour_[0]>23){flag = 1;return flag;}if (year_[0] < p->tm_year + 1900)flag = 1;else if (year_[0] == p->tm_year + 1900) {if (month_[0] < p->tm_mon + 1)flag = 1;else if (month_[0] == p->tm_mon + 1) {if (date_[0] < p->tm_mday)flag = 1;else if (date_[0] == p->tm_mday) {if (hour_[0] < 8 + p->tm_hour)flag = 1;else if (hour_[0] == 8 + p->tm_hour)flag = 0;else if (hour_[0] > 8 + p->tm_hour)flag = 0;}else if (date_[0] > p->tm_mday)flag = 0;}else if (month_[0] > p->tm_mon + 1)flag = 0;}else if (year_[0] > p->tm_year + 1900)flag = 0;return flag;//返回0是输入日期大于当前日期，1是输入日期小于当前日期
}
int Check_date2(int year_[2], int month_[2], int date_[2], int hour_[2])
{unsigned char Month_buf[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };if (month_[1] == 2)(((year_[1] % 4 == 0) && (year_[1] % 100 != 0)) || (year_[1] % 400 == 0)) ? Month_buf[1] += 1 : Month_buf[1];if (month_[1] > 12 || month_[1]<1 || date_[1]>Month_buf[month_[1] - 1] || date_[1] < 1 || hour_[1] < 0 || hour_[1]>23)return 1;if (year_[0] < year_[1])return 0;else if (year_[0] == year_[1]) {if (month_[0] < month_[1])return 0;else if (month_[0] == month_[1]) {if (date_[0] < date_[1])return  0;else if (date_[0] == date_[1]) {if (hour_[0] < hour_[1])return  0;else if (hour_[0] == hour_[1]) return 1;else if (hour_[0] > hour_[1])return 1;}else if (date_[0] > date_[1])return 1;}else if (month_[0] > month_[1])return 1;}else if (year_[0] > year_[1])return 1;//返回0是离开日期大于入住日期，1是离开日期小于入住日期
}
int Check_date3(int year, int month, int date, int hour)
{int flag = 0;time_t timep;struct tm* p;time(&timep);p = gmtime(&timep);if (year < p->tm_year + 1900)flag = 0;else if (year == p->tm_year + 1900) {if (month < p->tm_mon + 1)flag = 0;else if (month == p->tm_mon + 1) {if (date < p->tm_mday)flag = 0;else if (date == p->tm_mday) {if (hour < 8 + p->tm_hour)flag = 0;else if (hour == 8 + p->tm_hour)flag = 0;else if (hour > 8 + p->tm_hour)flag++;}else if (date > p->tm_mday)flag++;}else if (month > p->tm_mon + 1)flag++;}else if (year > p->tm_year + 1900)flag++;return flag;//返回1是离开日期大于现在日期，0是离开日期小于现在日期
}
int Check_date4(int year_, int month_, int date_, int hour_) {int flag = 0;time_t timep;struct tm* p;time(&timep);p = gmtime(&timep);unsigned char Month_buf[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };if (month_ == 2)(((year_ % 4 == 0) && (year_ % 100 != 0)) || (year_ % 400 == 0)) ? Month_buf[1] += 1 : Month_buf[1];if (month_ > 12 || month_<1 || date_>Month_buf[month_ - 1] || date_ < 1 || hour_ < 0 || hour_>23){flag++;return flag;}if (year_ < p->tm_year + 1900)flag++;else if (year_ == p->tm_year + 1900) {if (month_ < p->tm_mon + 1)flag++;else if (month_ == p->tm_mon + 1) {if (date_ < p->tm_mday)flag++;else if (date_ == p->tm_mday) {if (hour_ < 8 + p->tm_hour)flag++;else if (hour_ == 8 + p->tm_hour)flag = 0;else if (hour_ > 8 + p->tm_hour)flag = 0;}else if (date_ > p->tm_mday)flag = 0;}else if (month_ > p->tm_mon + 1)flag = 0;}else if (year_ > p->tm_year + 1900)flag = 0;return flag;//返回0是输入日期大于当前日期，1是输入日期小于当前日期
}
void deletedisabledorder() {Order* p;Order* q;p = ohead;int m = 0;q = p->onext;while (q != NULL) {if (Check_date3(q->year[1], q->mon[1], q->day[1], q->hour[1]) != 1)//判断订单是否失效{emptyroom(q->room_->roomnumber);//把房间状态清除p->onext = q->onext;free(q);q = p->onext;m++;}else {p = p->onext;q = q->onext;}}if (m != 0)printf("失效订单已删除\n");elseprintf("当前无失效订单\n");
}
void checkchar(char t[]) {int i;for (i = 0;; i++) {if (t[i] == '\n') {t[i] = '\0';break;}}}
void checkchar1(char t[]) {int i;for (i = 0;; i++) {if (t[i] == '\0') {t[i] = '\n';t[i + 1] = '\0';//添加换行符break;}}
}
void changeorder()//修改订单
{system("cls");char phonenumber_[20];char id[40];Order* p;char num[20];int m = 0, m1 = 0;if (ohead->onext == NULL){printf("订单为空修改失败\n");system("pause");}else{p = ohead->onext;char nam[20];printf("输入修改订单的客户的姓名：");fflush(stdin);rewind(stdin);gets(nam);checkchar1(nam);while (strcmp(p->room_->u.name, nam) != 0 && p->onext != NULL)p = p->onext;if (strcmp(p->room_->u.name, nam) == 0){m++;if (Check_date1(p->year, p->mon, p->day, p->hour) != 0) {printf("已到入住日期无法修改");system("pause");}else while (1){system("cls");printf("1.修改姓名\n");printf("2.修改电话\n");printf("3.修改身份证号\n");printf("4.修改入住时期\n");printf("5.修改离开时期\n");printf("6.退出修改\n");printf("输入要修改的选项:\n");fflush(stdin);rewind(stdin);gets(num);while ((strcmp(num, "1") != 0) && (strcmp(num, "2") != 0) && (strcmp(num, "3") != 0) && (strcmp(num, "4") != 0) && (strcmp(num, "5") != 0) && (strcmp(num, "6") != 0)) {printf("选择有误，请重新输入:");fflush(stdin);rewind(stdin);gets(num);}if (strcmp(num, "1") == 0){printf("输入新的姓名：");checkchar(p->room_->u.name);gets(nam);while (strcmp(p->room_->u.name, nam) == 0) {printf("姓名未更改，请重新输入:");scanf("%s", nam);}checkchar1(nam);//加上换行符才能比较strcpy(p->room_->u.name, nam);printf("修改成功\n");}if (strcmp(num, "2") == 0){printf("输入新的电话：");checkchar(p->room_->u.phonenumber);scanf("%s", phonenumber_);while (strlen(phonenumber_) != 11 || judgephone(phonenumber_) != 0 || strcmp(p->room_->u.phonenumber, phonenumber_) == 0) {printf("电话号不符合要求，请重新输入:");scanf("%s", phonenumber_);}checkchar1(phonenumber_);//加上换行符才能比较strcpy(p->room_->u.phonenumber, phonenumber_);printf("修改成功\n");}if (strcmp(num, "3") == 0){printf("输入新的身份证号：");checkchar(p->room_->u.idcard);fflush(stdin);rewind(stdin);scanf("%s", id);while (strlen(id) != 18 || judgeid(id) != 0 || strcmp(p->room_->u.idcard, id) == 0) {printf("身份证号码格式有误，请重新输入:");fflush(stdin);rewind(stdin);scanf("%s", id);}checkchar1(id);//加上换行符才能比较strcpy(p->room_->u.idcard, id);printf("修改成功\n");}if (strcmp(num, "4") == 0){if (Check_date1(p->year, p->mon, p->day, p->hour) == 0) {printf("请输入入住时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &p->year[0], &p->mon[0], &p->day[0], &p->hour[0]) != 4) || Check_date1(p->year, p->mon, p->day, p->hour) != 0 || Check_date2(p->year, p->mon, p->day, p->hour) != 0) {if (Check_date2(p->year, p->mon, p->day, p->hour) != 0) {printf("请修改离开时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &p->year[1], &p->mon[1], &p->day[1], &p->hour[1]) != 4) || Check_date2(p->year, p->mon, p->day, p->hour) != 0) {printf("日期输入有误，");printf("请重新输入离开时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);}break;}else {printf("日期输入有误\n");printf("请重新输入入住时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);}}printf("修改成功\n");}}if (strcmp(num, "5") == 0) {printf("请输入离开时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &p->year[1], &p->mon[1], &p->day[1], &p->hour[1]) != 4) || Check_date2(p->year, p->mon, p->day, p->hour) != 0) {printf("日期输入有误，");printf("请重新输入离开时间：年月日时(24时）中间请用/隔开：");fflush(stdin);rewind(stdin);}printf("修改成功\n");}if (strcmp(num, "6") == 0)break;system("pause");}}if (m == 0)printf("该客人不在订单中\n");printf("\n");system("pause");}
}
void deleteorder() {char nam[20];system("cls");if (ohead->onext == NULL){printf("没有可删除的订单\n");system("pause");}else {printf("请输入你要删除的订单的姓名：");fflush(stdin);rewind(stdin);gets(nam);checkchar1(nam);//加上换行符才能比较Order* p;Order* q;p = ohead;q = p->onext;while (q != NULL) {if (strcmp(q->room_->u.name, nam) == 0){emptyroom(q->room_->roomnumber);p->onext = q->onext;free(q);q = p->onext;printf("已删除该订单\n");system("pause");}else {p = p->onext;q = q->onext;}}}}
void changeKEY() {char s[15], c[15], n[15];int i, a = 0, b = 0, e = 0;system("cls");FILE* fp = fopen("password.txt", "r+");if (fp == NULL) {printf("Failed to open file");}fgets(s, 14, fp);//取出密码rewind(fp);//指针回到文件开头fclose(fp);fp = fopen("password.txt", "w");printf("请输入原密码:\n");fflush(stdin);rewind(stdin);gets(c);while (strcmp(c, s) != 0) {printf("原密码输入错误\n请重新输入");fflush(stdin);rewind(stdin);gets(c);}if (strcmp(c, s) == 0) {printf("请输入新密码（6~14位）:\n");fflush(stdin);rewind(stdin);gets(n);}i = strlen(n);for (int f = 0; f < i; f++){if (('a' <= n[f] && n[f] <= 'z') || ('A' <= n[f] && n[f] <= 'Z'))a++;else if ('0' <= n[f] && n[f] <= '9')b++;elsee++;}//判断字母数字和其他字符的个数while (i < 6 || i >= 15 || a == 0 || b == 0 || e == 0|| strcmp(n, s) == 0) {if (strcmp(n, s) == 0)printf("\n与原密码相同\n请重新输入：");else printf("\n安全性不高或位数不符合要求\n请重新输入：\n");fflush(stdin);rewind(stdin);gets(n);i = strlen(n);a = 0; b = 0; e = 0;for (int f = 0; f < i; f++){if (('a' <= n[f] && n[f] <= 'z') || ('A' <= n[f] && n[f] <= 'Z'))a++;else if ('0' <= n[f] && n[f] <= '9')b++;elsee++;}}//判断字母数字和其他字符的个数}fputs(n, fp);fclose(fp);printf("\n密码修改成功\n");system("pause");
}
void color1() {char e[15];FILE* fp = fopen("color.txt", "r");if (fp == NULL) {printf("Failed to open file");}e[0] = fgetc(fp);fclose(fp);switch (*e) {case'1':system("color 10"); break;case'2':system("color 20"); break;case'3':system("color 30"); break;case'4':system("color 40"); break;case'5':system("color 50"); break;case'6':system("color 60"); break;case'7':system("color 70"); break;case'8':system("color 80"); break;case'9':system("color 90"); break;case'A':system("color A0"); break;case'B':system("color B0"); break;case'C':system("color C0"); break;case'D':system("color D0"); break;case'E':system("color E0"); break;case'F':system("color F0"); break;}
}
void changecolor1() {int a;system("cls");FILE* p = fopen("color.txt", "w");if (p == NULL) {printf("Failed to open file");}printf("颜色列表：1=蓝色 2=绿色 3=湖蓝色 4=红色\n5=紫色 6=黄色 7=白色 8=灰色\n9=淡蓝色 10=淡绿色 11=淡浅绿色 12=淡红色\n13=淡紫色 14=淡黄色 15=亮白色\n");printf("请选择相应数字改变系统颜色");scanf("%d", &a);while (a < 1 || a>15) { printf("您的输入有误，请重新输入\n");  scanf("%d", &a); }switch (a) {case 1:system("color 10"); fputs("1", p); break;case 2:system("color 20"); fputs("2", p); break;case 3:system("color 30"); fputs("3", p); break;case 4:system("color 40"); fputs("4", p); break;case 5:system("color 50"); fputs("5", p); break;case 6:system("color 60"); fputs("6", p); break;case 7:system("color 70"); fputs("7", p); break;case 8:system("color 80"); fputs("8", p); break;case 9:system("color 90"); fputs("9", p); break;case 10:system("color A0"); fputs("A", p); break;case 11:system("color B0"); fputs("B", p); break;case 12:system("color C0"); fputs("C", p); break;case 13:system("color D0"); fputs("D", p); break;case 14:system("color E0"); fputs("E", p); break;case 15:system("color F0"); fputs("F", p); break;}fclose(p); printf("\n颜色修改成功\n");system("pause");}
void search2()
{system("cls");Order* p;int m;if (ohead->onext == NULL){printf("无订单，查找失败\n");system("pause");}else{while (1) {system("cls");printf("选择查找方式：(1~4)\n");printf("1.按姓名查找\n");printf("2.按电话查找\n");printf("3.按身份证号查找\n");printf("4.按房间号查找\n");printf("5.返回上一层\n");char t[20];fflush(stdin);rewind(stdin);gets(t);while ((strcmp(t, "1") != 0) && (strcmp(t, "2") != 0) && (strcmp(t, "3") != 0) && (strcmp(t, "4") != 0) && (strcmp(t, "5") != 0)) {printf("选择有误，请重新输入:");fflush(stdin);rewind(stdin);gets(t);}if (strcmp(t, "1") == 0){m = 0;p = ohead->onext;printf("输入查找的姓名：");char nam[40];fflush(stdin);rewind(stdin);gets(nam);while (p != NULL){checkchar(p->room_->u.name);if (FindSubstring(p->room_->u.name, nam) == 0){m++;checkchar1(p->room_->u.name);printf("\n姓名：%s\n", p->room_->u.name);printf("\n电话：%s\n", p->room_->u.phonenumber);printf("身份证号：%s\n", p->room_->u.idcard);printf("房间号: %s\n", p->room_->roomnumber);printf("入住日期：%d/%d/%d/%d\n", p->year[0], p->mon[0], p->day[0], p->hour[0]);printf("离开日期：%d/%d/%d/%d\n", p->year[1], p->mon[1], p->day[1], p->hour[1]);}p = p->onext;}if (m == 0)printf("查找用户不存在\n");system("pause");}if (strcmp(t, "2") == 0){m = 0;p = ohead->onext;char ph[20];printf("输入查找的电话：");fflush(stdin);rewind(stdin);gets(ph);while (strlen(ph) != 11 || judgephone(ph) != 0){//判断电话号号是否符合规则。printf("电话号不符合要求，请重新输入:");fflush(stdin);rewind(stdin);scanf("%s", ph);}checkchar1(ph);while (p != NULL && strcmp(ph, p->room_->u.phonenumber) == 0) {//找到电话一致的客人if (strcmp(ph, p->room_->u.phonenumber) == 0){m++;printf("\n姓名：%s\n", p->room_->u.name);printf("\n电话：%s\n", p->room_->u.phonenumber);printf("身份证号：%s\n", p->room_->u.idcard);printf("房间号: %s\n", p->room_->roomnumber);printf("入住日期：%d/%d/%d/%d\n", p->year[0], p->mon[0], p->day[0], p->hour[0]);printf("离开日期：%d/%d/%d/%d\n", p->year[1], p->mon[1], p->day[1], p->hour[1]);}p = p->onext;}if (m == 0)printf("查找号码不存在\n");system("pause");}if (strcmp(t, "3") == 0){char id[18];printf("输入要查找的身份证号：");fflush(stdin);rewind(stdin);gets(id);while (strlen(id) != 18 || judgeid(id) != 0) {//判断身份证号是否符合规则。printf("身份证号码格式有误，请重新输入:");fflush(stdin);rewind(stdin);scanf("%s", id);}checkchar1(id);m = 0;p = ohead->onext;while (p != NULL && strcmp(p->room_->u.idcard, id) == 0) {if (strcmp(p->room_->u.idcard, id) == 0){m++;printf("\n姓名：%s\n", p->room_->u.name);printf("\n电话：%s\n", p->room_->u.phonenumber);printf("身份证号：%s\n", p->room_->u.idcard);printf("房间号: %s\n", p->room_->roomnumber);printf("入住日期：%d/%d/%d/%d\n", p->year[0], p->mon[0], p->day[0], p->hour[0]);printf("离开日期：%d/%d/%d/%d\n", p->year[1], p->mon[1], p->day[1], p->hour[1]);}p = p->onext;}if (m == 0)printf("查找号码不存在\n");system("pause");}if (strcmp(t, "4") == 0){char roomnum[20];printf("输入要查找的房间号（本酒店房间号101~112；201~208；301~304；401~403）：");fflush(stdin);rewind(stdin);gets(roomnum);checkchar1(roomnum);m = 0;p = ohead->onext;while (p != NULL) {if (strcmp(p->room_->roomnumber, roomnum) == 0){m++;printf("\n姓名：%s\n", p->room_->u.name);printf("\n电话：%s\n", p->room_->u.phonenumber);printf("身份证号：%s\n", p->room_->u.idcard);printf("房间号: %s\n", p->room_->roomnumber);printf("入住日期：%d/%d/%d/%d\n", p->year[0], p->mon[0], p->day[0], p->hour[0]);printf("离开日期：%d/%d/%d/%d\n", p->year[1], p->mon[1], p->day[1], p->hour[1]);}p = p->onext;}if (m == 0)printf("房间未被使用或未输入正确房间号\n");system("pause");}if (strcmp(t, "5") == 0)break;printf("\n");}}
}
void search1()
{int flag1 = 0, flag2 = 0;system("cls");int count1 = 0, count2 = 0, count3 = 0, count4 = 0, m;char c[10];Room* p;if (rhead->rnext == NULL){printf("无房间，查找失败\n");system("pause");}else{while (1) {system("cls");printf("请输入查询方式:\n");printf("1.房间状态查询\n");printf("2.房间状态和房间类型组合查询\n");printf("3.返回上一层\n");char t[20];fflush(stdin);rewind(stdin);gets(t);while ((strcmp(t, "1") != 0) && (strcmp(t, "2") != 0) && (strcmp(t, "3") != 0)) {printf("选择有误，请重新输入:");fflush(stdin);rewind(stdin);gets(t);}if (strcmp(t, "1") == 0) {system("cls");printf("闲置房:");printf("\n");for (p = rhead->rnext; p->rnext != NULL; p = p->rnext)if (p->flag == 0) {printf("%s", p->roomnumber); flag1++;}printf("\n");if (flag1 == 0)printf("无");printf("被占用房");printf("\n");for (p = rhead->rnext; p->rnext != NULL; p = p->rnext)if (p->flag != 0) {printf("%s", p->roomnumber); flag2++;}if (flag2 == 0)printf("无");printf("\n");}if (strcmp(t, "2") == 0) {while (1) {system("cls");char n[20];printf("请选择查询类型：\n1.单人间\n2.双人间\n3.三人间\n4.四人间\n5.返回上一层\n");fflush(stdin);rewind(stdin);gets(n);while (strcmp(n, "1") != 0 && strcmp(n, "2") != 0 && strcmp(n, "3") != 0 && strcmp(n, "4") != 0 && strcmp(n, "5") != 0) {printf("选择有误，请重新选择：");fflush(stdin);rewind(stdin);gets(n);}if (strcmp(n, "1") == 0) {printf("空房有：\n");for (p = rhead->rnext; p != NULL; p = p->rnext)if (p->flag == 0 && strcmp(p->type, "single\n") == 0){count1++; printf("%s", p->roomnumber);}printf("\n");printf("单人间还剩%d间", count1);}if (strcmp(n, "2") == 0) {printf("空房有：\n");for (p = rhead->rnext; p != NULL; p = p->rnext)if (p->flag == 0 && strcmp(p->type, "double\n") == 0){count2++; printf("%s", p->roomnumber);}printf("\n");printf("双人间还剩%d间", count2);}if (strcmp(n, "3") == 0) {printf("空房有：\n");for (p = rhead->rnext; p != NULL; p = p->rnext)if (p->flag == 0 && strcmp(p->type, "triple\n") == 0){count3++; printf("%s", p->roomnumber);}printf("三人间还剩%d间", count3);}if (strcmp(n, "4") == 0) {printf("空房有：\n");for (p = rhead->rnext; p != NULL; p = p->rnext)if (p->flag == 0 && strcmp(p->type, "four\n") == 0){count4++; printf("%s", p->roomnumber);}printf("\n");printf("四人间还剩%d间", count4);}if (strcmp(n, "5") == 0)break;printf("\n");system("pause");}}if (strcmp(t, "3") == 0)break;printf("\n");system("pause");}}
}
void statistics() {system("cls");Order* e; int m, year, mon, day, hour;if (ohead->onext == NULL){printf("无订单\n");system("pause");}else {printf("请输入截止日期 年月日时(24时）中间请用/隔开：\n");fflush(stdin);rewind(stdin);while ((scanf("%d/%d/%d/%d", &year, &mon, &day, &hour)) != 4 || Check_date4(year, mon, day, hour) == 1){printf("请输入有效时间");fflush(stdin);rewind(stdin);}printf("在该日期前生效的订单有\n");for (e = ohead->onext; e != NULL; e = e->onext)if (time_1(year, mon, day, hour, e) == -1 || time_1(year, mon, day, hour, e) == 0) {printf("\n姓名：%s", e->room_->u.name);printf("电话：%s", e->room_->u.phonenumber);printf("身份证号：%s", e->room_->u.idcard);printf("房间号: %s", e->room_->roomnumber);printf("入住日期：%d/%d/%d/%d\n", e->year[0], e->mon[0], e->day[0], e->hour[0]);printf("离开日期：%d/%d/%d/%d\n", e->year[1],e->mon[1], e->day[1], e->hour[1]);printf("\n");}}system("pause");
}
int time_1(int year, int mon, int day, int hour, Order* p)
{if ((p->year[0]) > year)return 1;if ((p->year[0]) < year)return -1;if ((p->year[0]) == year) {if ((p->mon[0]) > mon)return 1;if ((p->mon[0]) < mon)return -1;if ((p->mon[0]) == mon) {if ((p->day[0]) < day)return -1;if ((p->day[0]) > day)return  1;if ((p->day[0]) == day) {if ((p->hour[0]) < hour)return -1;if ((p->hour[0]) > hour)return 1;if ((p->hour[0]) == hour)return 0;}}}
}
void read_() {extern Room* rhead;extern Order* ohead;FILE* fp = NULL;FILE* fp1 = NULL;char ch;rhead = (Room*)malloc(sizeof(Room));if (rhead != NULL){rhead->rnext = NULL;}ohead = exploitorderhead();Room* p = rhead;Room* q = rhead;Order* p1 = ohead;Order* q1 = ohead;Room* u;if ((fp = fopen("room.txt", "r+")) == NULL || (fp1 = fopen("order.txt", "r+")) == NULL){fp = fopen("room1.txt", "r+");fp1 = fopen("order1.txt", "r+");}else {fp = fopen("room.txt", "r+");fp1 = fopen("order.txt", "r+");}while (!feof(fp)){p = (Room*)malloc(sizeof(Room));fgets(p->roomnumber, 20, fp);//读进来的还有换行符//printf("%s\n",p->roomnumber);fgets(p->type, 20, fp);//读进来的还有换行符//printf("%s\n",p->type);fscanf(fp, "%d", &(p->flag));//printf("%d\n",p->flag);ch = fgetc(fp);ch = fgetc(fp);q->rnext = p;q = p;}q->rnext = NULL;fclose(fp);ch = fgetc(fp1);if (!feof(fp1)) {rewind(fp1);while (!feof(fp1)){p1 = (Order*)malloc(sizeof(Order));u = (Room*)malloc(sizeof(Room));p1->room_ = u;fgets(p1->room_->roomnumber, 40, fp1);//读进来的还有换行符fgets(p1->room_->type, 10, fp1);//读进来的还有换行符fgets(p1->room_->u.name, 40, fp1);//读进来的还有换行符fgets(p1->room_->u.idcard, 20, fp1);//读进来的还有换行符fgets(p1->room_->u.phonenumber, 20, fp1);//读进来的还有换行符fscanf(fp1, "%d/%d/%d/%d", &p1->year[0], &p1->mon[0], &p1->day[0], &p1->hour[0]);ch = fgetc(fp1);fscanf(fp1, "%d/%d/%d/%d", &p1->year[1], &p1->mon[1], &p1->day[1], &p1->hour[1]);ch = fgetc(fp1);ch = fgetc(fp1);q1->onext = p1;q1 = p1;}}q1->onext = NULL;fclose(fp1);deletedisabledorder();}
void backups() {system("cls");FILE* fp = NULL;FILE* fp1 = NULL;if ((fp = fopen("order1.txt", "w")) == NULL){printf("can't built the order1 file\n");system("pause");}if ((fp1 = fopen("room1.txt", "w")) == NULL){printf("can't open the room1 file\n");system("pause");}Room* p1 = rhead->rnext;Order* p = ohead->onext;while (p != NULL) {fputs(p->room_->roomnumber, fp);//连换行符一起保存fputs(p->room_->type, fp);//连换行符一起保存fputs(p->room_->u.name, fp);//连换行符一起保存fputs(p->room_->u.idcard, fp);//连换行符一起保存fputs(p->room_->u.phonenumber, fp);//连换行符一起保存fprintf(fp, "%d", p->year[0]);fputc('/', fp);fprintf(fp, "%d", p->mon[0]);fputc('/', fp);fprintf(fp, "%d", p->day[0]);fputc('/', fp);fprintf(fp, "%d", p->hour[0]);fputc('\n', fp);fprintf(fp, "%d", p->year[1]);fputc('/', fp);fprintf(fp, "%d", p->mon[1]);fputc('/', fp);fprintf(fp, "%d", p->day[1]);fputc('/', fp);fprintf(fp, "%d", p->hour[1]);fputc('\n', fp);if (p->onext != NULL)fputc('\n', fp);p = p->onext;}while (p1 != NULL) {fputs(p1->roomnumber, fp1);fputs(p1->type, fp1);fprintf(fp1, "%d", p1->flag);fputc('\n', fp1);if (p1->rnext != NULL)fputc('\n', fp1);p1 = p1->rnext;}if (fclose(fp1) == 0 && fclose(fp) == 0)printf("备份成功\n");elseprintf("备份失败\n");system("pause");
}
int FindSubstring(const char* strSource, const char* strSub)
{unsigned int uLen = strlen(strSource);if (uLen == 0){return -1;}char* str1 = (char*)malloc(uLen + 1);memset(str1, '\0', uLen + 1);strcpy(str1, strSource);uLen = strlen(strSub);if (uLen == 0){free(str1);return -1;}char* str2 = (char*)malloc(uLen + 1);memset(str2, '\0', uLen + 1);strcpy(str2, strSub);unsigned int i = 0, j = 0;for (i = 0; i < strlen(strSource); i = i + 2){if (str1[i] == str2[j] && str1[i + 1] == str2[j + 1]){j++;j++;}else{if (j == uLen){break;}else{j = 0;}}}free(str1);free(str2);if (j == uLen){return 0;}else{return -1;}
}

main.c

#include <stdio.h>
#include "function.h"
#include "struct.h"
Room* rhead;
Order* ohead;
int main()
{registers();
}

此外，程序的正确运行还需项目文件夹下包括下图所示的文本文件

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