c++航班管理系统

    #define _CRT_SECURE_NO_WARNINGS
    #include <stdio.h>
    #include <malloc.h>
    #include <iostream>
    #include <fstream>
    #include <stdio.h>
    #include<stdlib.h>
    #include<string.h>
    
    using namespace std;
    
    
    #define MaxSize 200
    typedef struct plane   //飞机结构体
    {
    	char plane_number[10];  //航班号
    	char beplace[10];  //飞机起飞地点
    	char enplace[10];  //飞机降落地点
    	char date[15];  //飞机起飞时间
    	char timearrival[15];  //飞机到达时间
    	int price;  //飞机票价
    	double discount;  //折扣
    	int vacancy;  //空位
    	struct plane *next;
    }plane;
    
    typedef struct individual   //人的结构体
    {
    	char name[30];
    	char in_id[30];
    	char plane_number[20];//航班号
    	int seat;//座位号
    	struct individual *next;
    }individual;
    
    typedef struct plane_head    //定义飞机的头结点
    {
    	int count;
    	plane *next;
    }plane_head;
    
    typedef struct in_head     //定义人的头结点
    {
    	int count;
    	individual *next;
    }in_head;
    
    
    plane_head *import(int n, plane_head *pheadline)//录入航班
    {
    	plane *temp = new plane;
    	temp->next = NULL;
    	pheadline->next = temp;
    	pheadline->count = n;
    	for (int i = 0; i < n; i++)
    	{
    		cout << "请输入第" << i + 1 << "个航班的航班号： ";
    		cin >> temp->plane_number;
    		cout << "请输入第" << i + 1 << "个航班的起飞地： ";
    		cin >> temp->beplace;
    		cout << "请输入第" << i + 1 << "个航班的将落地： ";
    		cin >> temp->enplace;
    		cout << "请输入第" << i + 1 << "个航班的起飞时间： ";
    		cin >> temp->date;
    		cout << "请输入第" << i + 1 << "个航班的降落时间： ";
    		cin >> temp->timearrival;
    		cout << "请输入第" << i + 1 << "个航班的票价： ";
    		cin >> temp->price;
    		cout << "请输入第" << i + 1 << "个航班的折扣： ";
    		cin >> temp->discount;
    		cout << "请输入第" << i + 1 << "个航班的空位数： ";
    		cin >> temp->vacancy;
    		cout << "第" << i + 1 << "个航班成功录入。" << endl;
    		if (i < n - 1)
    		{
    			temp->next = new plane;
    			while (i > 1)
    			{
    				if (temp->plane_number == temp->next->plane_number)
    				{
    					cout << "分配失败。" << endl;
    					exit(1);
    				}
    			}
    			temp->next->next = NULL;
    			temp = temp->next;
    		}
    	}
    	return pheadline;
    }
    plane *query(plane_head *phead)  //查询航班
    {
    	int s;
    	plane *find = NULL;
    	plane *temp;
    	cout << "****************************************************************" << endl;
    	cout << "***             1、按航班号查询航班。                         ***" << endl;
    	cout << "***             2、按起飞地查询航班。                         ***" << endl;
    	cout << "****************************************************************" << endl;
    	cout << "请选择：";
    	cin >> s;
    	cout << endl;
    	switch (s)
    	{
    	case 1:
    	{
    		cout << "请输入航班号：";
    		char plane_number[20];
    		cin >> plane_number;
    		temp = phead->next;
    		while (temp)
    		{
    			if (strcmp(temp->plane_number, plane_number) == 0)
    			{
    				find = temp;
    				return temp;
    				break;
    			}
    			else
    			{
    				temp = temp->next;
    			}
    		}
    		if (!temp)
    		{
    			cout << "没有找到该航班信息。" << endl;
    			return NULL;
    		}
    		break;
    	}
    	case 2:
    	{
    		char beplace[10];
    		char enplace[10];
    		cout << "请输入起飞地点：";
    		cin >> beplace;
    		cout << "请输入降落地点：";
    		cin >> enplace;
    		temp = phead->next;
    		while (temp)
    		{
    			if (strcmp(temp->beplace, beplace) == 0 && strcmp(temp->enplace, enplace) == 0)
    			{
    				find = temp;
    				break;
    			}
    			temp = temp->next;
    		}
    		if (!temp)
    		{
    			cout << "没有找到该航班信息。" << endl;
    			return NULL;
    		}
    		break;
    	}
    	return find;
    	}
    }
    void display_plane(plane *node)  //打印一个航班信息
    {
    	if (node == NULL)
    	{
    		cout << "输入失败。" << endl;
    		return;
    	}
    	cout << endl;
    	cout << "航班号\t\t 起飞地\t\t 目的地\t\t 起飞时间\t 到达时间\t 票价\t\t 折扣\t\t 空位\t" << endl;
    	cout << node->plane_number << "\t\t" << node->beplace << "\t\t" << node->enplace << "\t\t" << node->date << "\t\t" << node->timearrival << "\t\t" << node->price << "\t\t" << node->discount << "\t\t" << node->vacancy << "\t\t" << endl;
    }
    void all_display_plane(plane_head *headline)  //打印所有航班信息
    {
    	cout << endl;
    	plane *node;
    	node = headline->next;
    	if (!node)
    	{
    		cout << "当前没有航班信息。" << endl;
    		return;
    	}
    	cout << "航班数目   " << headline->count << endl;
    	while (node)
    	{
    		display_plane(node);
    		node = node->next;
    	}
    }
    void display_in(individual *node)  //打印一个客户信息
    {
    	if (node == NULL)
    	{
    		cout << "输出失败。" << endl;
    		return;
    	}
    	cout << endl;
    	cout << "姓名\t\t" << "证件号\t\t" << "航班号\t\t" << "座号\t\t" << endl << endl;
    	cout << node->name << "\t\t" << node->in_id << "\t\t" << node->plane_number << "\t\t" << node->seat << "\t\t" << endl;
    }
    void all_display_in(in_head *headline)  //打印所有客户信息
    {
    	individual *node = headline->next;
    	if (!node)
    	{
    		cout << "当前没有客户信息。" << endl;
    		return;
    	}
    	while (node)
    	{
    		display_in(node);
    		node = node->next;
    	}
    }
    int buyticket(plane_head *headline, in_head *headclient)  //订票
    {
    	cout << "请输入航班号   ";
    	char plane_number[10];
    	cin >> plane_number;
    	plane *temp;
    	temp = headline->next;
    	while (temp)
    	{
    		if (strcmp(temp->plane_number, plane_number) == 0)
    		{
    			break;
    		}
    		temp = temp->next;
    	}
    	if (!temp)
    	{
    		cout << "未找到该航班。" << endl;
    		return 0;
    	}
    	if (temp->vacancy == 0)
    	{
    		cout << "对不起，该航班票已售完。" << endl;
    		cout << "请选择其他航班。" << endl;
    		cout << "按任意键返回主菜单。" << endl;
    		int n;
    		cin >> n;
    	}
    	individual *custom = new individual;
    	cout << "请输入您的证件号码   ";
    	cin >> custom->in_id;
    	cout << "请输入您的姓名   ";
    	cin >> custom->name;
    	cout << endl;
    	custom->seat = temp->vacancy - temp->vacancy + 1;
    	custom->next = NULL;
    	strcpy(custom->plane_number, plane_number);
    	temp->vacancy--;
    	headclient->count++;
    	custom->next = headclient->next;
    	headclient->next = custom;
    	cout << "订票成功。" << endl << endl;
    	return 1;
    }
    int returnticket(plane_head *headline, in_head *headclient)  //退票
    {
    	cout << "请输入您的姓名   " << endl;
    	char name[30];
    	cin >> name;
    	cout << "请输入您的证件号码   " << endl;
    	char in_id[30];
    	cin >> in_id;
    	cout << "请输入您的航班号   " << endl;
    	int number;
    	cin >> number;
    	plane *airlinetemp = headline->next;
    	individual *clienttemp = headclient->next;
    	if (NULL == airlinetemp)
    	{
    		cout << "当前没有航班信息。" << endl;
    		return 0;
    	}
    	char plane_number[10];
    	individual *deInext;
    	if (strcmp(clienttemp->next->in_id, in_id) == 0)  //要删除的节点为第一个时
    	{
    		strcpy(plane_number, clienttemp->plane_number);
    		headclient->next = clienttemp->next;
    		delete clienttemp;
    		while (airlinetemp)  //修改退票客户所对应的航班售票信息
    		{
    			if (strcmp(plane_number, airlinetemp->plane_number) == 0)
    			{
    				airlinetemp->vacancy++;
    				break;
    			}
    			airlinetemp = airlinetemp->next;
    		}
    		cout << "退票成功。" << endl << endl;
    		return 1;
    	}
    	while (clienttemp->next)  //要删除的节点不是第一个时
    	{
    		if (strcmp(clienttemp->next->in_id, in_id) == 0)
    		{
    			strcpy(plane_number, clienttemp->next->plane_number);
    			deInext = clienttemp->next->next;
    			delete clienttemp->next;
    			clienttemp->next = deInext;
    			while (airlinetemp)  //修改退票客户所对应的航班售票信息
    			{
    				if (strcpy(plane_number, airlinetemp->plane_number) == 0)
    				{
    					airlinetemp->vacancy++;
    					break;
    				}
    				airlinetemp = airlinetemp->next;
    			}
    			cout << "退票成功。" << endl << endl;
    			return 1;
    			break;
    		}
    		clienttemp = clienttemp->next;
    	}
    	cout << "未找到该客户信息。" << endl;
    	return 0;
    }
    int savemessage(plane_head *headline, in_head *headclient)  //保存航班和客户信息到相应的文件中
    {
    	ofstream outline("airline.txt", ios::out);  //文件写操作 内存写入存储设备
    	if (!outline)
    	{
    		cout << "航班信息打开失败。" << endl;
    		return 0;
    	}
    	cout << "正在保存航班信息..." << endl;
    	outline << headline->count << endl;
    	plane *linetemp = headline->next;
    	while (linetemp)
    	{
    		outline << linetemp->plane_number << " " << linetemp->beplace << " " << linetemp->enplace << " " << linetemp->date << " " << linetemp->timearrival << " " << linetemp->price << " " << linetemp->discount << " " << linetemp->vacancy << " " << endl;
    		linetemp = linetemp->next;
    	}
    	outline.close();
    	cout << "航班信息保存成功。" << endl;
    	ofstream outclient("client.txt", ios::app);
    	if (!outclient)
    	{
    		cout << "客户信息文件打开失败。" << endl;
    		return 0;
    	}
    	cout << "正在保存客户信息..." << endl;
    	outclient << headclient->count << endl;
    	individual *clienttemp = headclient->next;
    	while (clienttemp)
    	{
    		outclient << clienttemp->name << " " << clienttemp->in_id << " " << clienttemp->plane_number << " " << clienttemp->seat << " " << endl;
    		clienttemp = clienttemp->next;
    	}
    	outclient.close();
    	cout << "客户信息保存成功。" << endl;
    	return 1;
    }
    int change_plane(plane_head *headline)  //修改航班信息
    {
    	cout << "当前所有航班信息为   " << endl;
    	plane *temp;
    	temp = headline->next;
    	plane *t = headline->next;
    	while (t)
    	{
    		display_plane(t);
    		t = t->next;
    	}
    	cout << endl;
    	cout << "请选择您要进行的操作   " << endl;
    	cout << "1、增加航班。" << endl;
    	cout << "2、删除航班。" << endl;
    	cout << "3、修改当前航班信息。" << endl;
    	int select;
    	cin >> select;
    	cout << endl;
    	if (select > 3 || select < 1)
    	{
    		cout << "输入错误。" << endl;
    		return 0;
    	}
    	switch (select)
    	{
    	case 1:
    	{
    		plane *tem = new plane;
    		cout << "请输入要增加的航班号   ";
    		cin >> tem->plane_number;
    		cout << "请输入航班的起飞地点   ";
    		cin >> tem->beplace;
    		cout << "请输入航班的到达地点   ";
    		cin >> tem->enplace;
    		cout << "请输入航班的起飞时间   ";
    		cin >> tem->date;
    		cout << "请输入航班的到达时间   ";
    		cin >> tem->timearrival;
    		cout << "请输入航班的票价   ";
    		cin >> tem->price;
    		cout << "请输入航班的折扣   ";
    		cin >> tem->discount;
    		cout << "请输入航班的空位数   ";
    		cin >> tem->vacancy;
    		cout << "增加成功。" << endl;
    		if (temp == NULL)
    			tem = headline->next;
    		else
    		{
    			tem->next = temp->next;  //将结点tem插入到temp之后
    			temp->next = tem;
    		}
    		break;
    	}
    	case 2:
    	{
    		cout << "请输入您要删除的航班号   ";
    		char plane_number[10];
    		cin >> plane_number;
    		plane *delline = new plane;
    		delline = headline->next;
    		while (delline)
    		{
    			if (strcmp(delline->plane_number, plane_number) == 0)
    			{
    				plane *plink;
    				plink = delline->next;
    				delete delline;
    				headline->next = plink;
    				headline->count--;
    				cout << "删除成功。" << endl;
    			}
    			delline = delline->next;
    		}
    		break;
    	}
    	case 3:
    	{
    		cout << "请输入您要修改的航班号   ";
    		char plane_number3[20];
    		cin >> plane_number3;
    		temp = headline->next;
    		while (temp)
    		{
    			if (strcmp(temp->plane_number, plane_number3) == 0)
    			{
    				cout << "请选择您要修改的内容   " << endl;
    				cout << "1、空位数。--" << endl;
    				cout << "2、起飞地点。--" << endl;
    				cout << "3、降落地点。--" << endl;
    				cout << "4、起飞时间。--" << endl;
    				cout << "5、降落时间。--" << endl;
    				cout << "6、票价。--" << endl;
    				cout << "7、折扣。--" << endl;
    				int p;
    				cin >> p;
    				switch (p)
    				{
    				case(1):
    				{
    					cout << "请输入您要修改的空位数为   ";
    					int a;
    					cin >> a;
    					temp->vacancy = a;
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(2):
    				{
    					cout << "请输入您要修改的起飞地点为   ";
    					char s[20];
    					cin >> s;
    					strcpy(temp->beplace, s);
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(3):
    				{
    					cout << "请输入您要修改的降落地点为   ";
    					char d[20];
    					cin >> d;
    					strcpy(temp->enplace, d);
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(4):
    				{
    					cout << "请输入您要修改的起飞时间为   ";
    					char e[10];
    					cin >> e;
    					strcpy(temp->date, e);
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(5):
    				{
    					cout << "请输入您要修改的降落时间为   ";
    					char f[10];
    					cin >> f;
    					strcpy(temp->timearrival, f);
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(6):
    				{
    					cout << "请输入您要修改的票价为   ";
    					int b;
    					cin >> b;
    					temp->price = b;
    					cout << "修改成功。" << endl;
    					break;
    				}
    				case(7):
    				{
    					cout << "请输入您要修改的折扣为   ";
    					double c;
    					cin >> c;
    					temp->discount = c;
    					cout << "修改成功。" << endl;
    					break;
    				}
    				}
    			}
    			temp = temp->next;
    			break;
    		}
    	}
    	return 1;
    	}
    }
    void main_menu()  //目录
    {
    	cout << "********************欢迎使用飞机售票系统******************" << endl;
    	cout << "***             1----录入航班信息。                         ***" << endl << endl;
    	cout << "***             2----修改航班信息。                         ***" << endl << endl;
    	cout << "***             3----查询航线信息。                         ***" << endl << endl;
    	cout << "***             4----客户订票。                             ***" << endl << endl;
    	cout << "***             5----客户退票。                             ***" << endl << endl;
    	cout << "***             6----保存操作。                             ***" << endl << endl;
    	cout << "***             7----输出所有航班信息。                     ***" << endl << endl;
    	cout << "***             8----输出所有顾客信息。                     ***" << endl << endl;
    	cout << "***             0----退出系统 。                            ***" << endl << endl;
    	cout << "****************************************************************" << endl << endl;
    }
    int main()
    {
    	plane_head *headline = new plane_head;
    	headline->count = 0;
    	headline->next = NULL;
    	in_head *headclient = new in_head;
    	headclient->count = 0;
    	headclient->next = NULL;
    	while (1)
    	{
    		main_menu();
    		int n;
    		cout << "请选择您要进行的操作：";
    		cin >> n;
    		cout << endl;
    		switch (n)
    		{
    		case 1:
    			int num;
    			cout << "请选择您要录入的航班数目   ";
    			cin >> num;
    			cout << endl;
    			import(num, headline);
    			cout << endl;
    			cout << "航班信息成功录入。";
    			cout << endl << endl;
    			break;
    		case 2:
    			change_plane(headline);
    			break;
    		case 3:
    			plane *find;
    			find = query(headline);
    			if (find)
    			{
    				display_plane(find);
    			}
    			break;
    		case 4:
    			buyticket(headline, headclient);
    			break;
    		case 5:
    			returnticket(headline, headclient);
    			break;
    		case 6:
    			savemessage(headline, headclient);
    			break;
    		case 7:
    			all_display_plane(headline);
    			break;
    		case 8:
    			all_display_in(headclient);
    			break;
    		case 0:
    			exit(1);
    			break;
    		}
    	}
    	return 0;
    }
    
    
    
    
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