C语言如何实现酒店预订管理系统

发布时间:2022-06-06 09:32:26 作者:zzz
来源:亿速云 阅读:144

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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 search3();//查询订单
void search2();//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))search2();//查询房间
                if ((strcmp(t, "2") == 0))search3();//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;
    }
    else
        printf("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1-31
    printf("%d\n", 1 + p->tm_mon);获取当前月份,范围是0-11,所以要加1
    printf("%d\n", 1900 + p->tm_year);获取当前年份,从1900开始,所以要加1900
    printf("%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");
    else
        printf("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++;
 
        else
            e++;
    }//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++;
 
            else
                e++;
        }
    }//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 search3()
{
    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 search2()
{
    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");
    else
        printf("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

C语言如何实现酒店预订管理系统

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