#include <string.h>#include <iostream.h>#define M 5//每种飞机票的总数目#define N 3//飞机票的总数目class Plane{private:char name[40];//终点站名int number;//航班号int Number;//飞机号int week;//星期几飞行int day;//日期int left;//余票额int n;//与数组flag一起确定客户订票状态public:int flag[20];//订票状态数组,-1为预订票，1为已定票，0为初始化状态Plane()//构造函数{name[0]='\0';number=0;Number=0;week=0;day=0;left=M;n=0;//数组从0开始计数for(int i=0;i<20;i++)flag[i]=0;}void init()//初始化每种飞机票{cout<<"请输入终点站名:";cin>>name;cout<<"请输入航班号:";cin>>number;cout<<"请输入飞机号:";cin>>Number;cout<<"请输入星期几飞行:";cin>>week;cout<<"请输入航班的日期:";cin>>day;}~Plane(){};//析构函数char *getname(){return name;}//获得终点站名int getnumber(){return number;}//获得航班号int getNumber(){return Number;}//获得飞机号int getweek(){return week;}//获得星期几飞行int getday(){return day;}//获得日期int getleft(){return left;}//获得余票额int getn(){return n;}//获得旅客数目void inleft(int n){left=left+n;}//余票额增加函数void deleft(int n){left=left-n;}//余票额减少函数void inn(){n++;}//旅客数目增加函数};Plane pl[N];int showmenu();//菜单函数void start();//初始化函数void query();//查询函数void make();//订票函数void back();//退票函数int main(){cout<<"这是民航售票处的计算机系统程序"<<endl;start();while(1){int choice;choice=showmenu();switch(choice){case 1:query();break;case 2:make();break;case 3:back();break;case 0:return 0;default:cout<<"你敲错了!\n";}}return 0;}int showmenu(){int ch;cout<<endl;cout<<"请选择你要执行的功能"<<endl;cout<<"1:查询航线"<<endl;cout<<"2:承办订票业务"<<endl;cout<<"3:承办退票业务"<<endl;cout<<"0:退出程序的运行"<<endl;cin>>ch;return ch;}void start(){for(int i=0;i<N;i++){pl[i].init();cout<<endl;}}void query(){int i,num=0;char name[40];cout<<endl;cout<<"请输入终点站名:";cin>>name;for(i=0;i<=N;i++)if(strcmp(name,pl[i].getname())==0){num++;cout<<"航班号:"<<pl[i].getnumber()<<endl;cout<<"飞机号:"<<pl[i].getNumber()<<endl;cout<<"星期:"<<pl[i].getweek()<<"飞行"<<endl;cout<<"航班日期:"<<pl[i].getday()<<endl;cout<<"余票额:"<<pl[i].getleft()<<endl;break;}if(num==0)cout<<"没有此航班"<<endl;}void make(){int number,n,sitnumber,nu,ch,num=0;cout<<"请输入航班号:";cin>>number;cout<<"请输入订票数额:";cin>>n;for(int i=0;i<N;i++)if(number==pl[i].getnumber()){num++;if(n<=pl[i].getleft()){cout<<"此航班有票"<<endl;pl[i].deleft(n);pl[i].inn();pl[i].flag[pl[i].getn()]=1;for(i=0;i<n;i++){cout<<"座位号";cin>>sitnumber;}}else{cout<<"余票额少于订票额，请重新输入订票数额,"<<"订票数额应该少于或等于"<<pl[i].getleft();cin>>nu;if(nu<=pl[i].getleft()){cout<<"此航班有票"<<endl;pl[i].deleft(nu);pl[i].inn();pl[i].flag[pl[i].getn()]=1;for(i=0;i<N;i++){cout<<"座位号";cin>>sitnumber;}}else{cout<<"是否需要预约"<<endl;cout<<"是(1) 否(2)"<<endl;cin>>ch;switch(ch){case 1:pl[i].inn();pl[i].flag[pl[i].getn()]=-1;break;case 2:break;default:cout<<"你敲错了!"<<endl;}}}}if(num==0)cout<<"没有此航班"<<endl;}void back(){int number,day,n,nu,sitnumber,num=0;//航班号，日期，退票数目，订票数目，座位号，标志量cout<<"请输入日期:";cin>>day;cout<<"请输入航班:";cin>>number;for(int i=0;i<N;i++)if((day==pl[i].getday())&&(number==pl[i].getnumber()))//日期与航班是否满足{num++;//日期与航班满足cout<<"输入退票数目";cin>>n;cout<<"退票成功"<<endl;pl[i].inleft(n);//该种飞机票增加，即已退票for(int j=0;j<=pl[i].getn();j++)//顺序查询客户订票状态{if(pl[i].flag[j]==-1)//客户是否为预定状态{cout<<"有预约订票，请输入订票数额:";cin>>nu;if(nu<=pl[i].getleft())//余票额是否满足要求{cout<<"此航班有票"<<endl;pl[i].flag[j]=1;cout<<"订票成功"<<endl;pl[i].deleft(nu);for(int k=0;k<nu;k++){cout<<"座位号"<<" ";cin>>sitnumber;}cout<<"余票额为"<<pl[i].getleft()<<endl;}}elsecout<<"没有预约订票!"<<"余票额为"<<pl[i].getleft()<<endl;}}if(num==0)cout<<"没有此票"<<endl;}。