union.h

小型图书馆管理系统

#ifndef UNION_H
#define UNION_H
#include"SAS.h"

//+---------------------------------------------------------------------------+
//|                          信息查询子函数声明                               |
//+---------------------------------------------------------------------------+

void Kindplay(void);
void Qtyplay(void);
void Display(int,float);

//*****************************************************************************
//*                         Infor（信息查询）函数                             *
//*****************************************************************************

void Infor(int authority,float percent)
{
	int choice;

	while(1)
	{
		system("cls");
		cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
		cout<<"                                 信息查找             "<<endl<<endl;
		cout<<"                             1. 图书分类显示          "<<endl<<endl;
		cout<<"                             2. 库存量排序显示        "<<endl<<endl;
		cout<<"                             3. 具体图书查询          "<<endl<<endl;
		cout<<"                             4. 返回主菜单            "<<endl<<endl;
		cin>>choice;
		cin.ignore();
	
		while(choice<1 && choice>4)
		{
			cout<<"                  请在1-4中选择：";
			cin>>choice;
			cin.ignore();
			cout<<endl;
		}

		switch(choice)
		{
			case 1: Kindplay(); break;
			case 2: Qtyplay(); break;
			case 3: Display(authority,percent); break;
			case 4: return;
		}
	}
}

//+---------------------------------------------------------------------------+
//|                     Kindplay（图书分类显示）函数                          |
//+---------------------------------------------------------------------------+

void Kindplay(void)
{
	int choice;
	char select;
	
	system("cls");
	cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
	cout<<"                              请选择图书类型："<<endl<<endl;
loope:
	cout<<"                 1.教育 2.军事 3.历史 4.文学 5.科技 6.娱乐"<<endl;
	cin>>choice;
	cin.ignore();
	
	while(choice<1 || choice>6)
	{
		cout<<"                            请在1-6中选择：";
		cin>>choice;
		cin.ignore();
		cout<<endl;
	}
	system("cls");
	for(int i=1,playtime=0;i<max;i++)
	{
		if(Book[i].getKind()==choice)
		{
			cout<<endl<<"                    书号："<<Book[i].getNum()<<endl;
			cout<<"                    书名："<<Book[i].getTitle()<<endl;
			cout<<"                    作者："<<Book[i].getAuthor()<<endl;
			cout<<"                    售价："<<Book[i].getCost()<<"元"<<endl;
			if(!Book[i].getQty()) cout<<"                        此书暂无库存！"<<endl;
			if(++playtime%4==0)
			{
				cout<<"                       请按回车键继续。"<<endl;
				cin.get();
			}          //计数翻页
		}
	}
	cout<<"                  显示完毕，是否显示其它类型图书？(Y/N)"<<endl;
	cin>>select;
	select=toupper(select);
	cin.ignore();

	while(select!='Y' && select!='N')
	{
		cout<<"                   是否显示其它类型图书？(Y/N)"<<endl;
		cin>>select;
		select=toupper(select);
		cin.ignore();
	}

	if(select=='Y')
	{
		system("cls");
		cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
		goto loope;
	}
}

//+---------------------------------------------------------------------------+
//|                     Qtyplay（库存量排序显示）函数                         |
//+---------------------------------------------------------------------------+

void Qtyplay(void)
{
	system("cls");
	Qtysort(1,max-1);
	
	for(int i=1,playtime=0;i<max;i++)
	{
		cout<<endl<<"                    书号："<<Book[i].getNum()<<endl;
		cout<<"                    书名："<<Book[i].getTitle()<<endl;
		cout<<"                  库存量："<<Book[i].getQty()<<"本"<<endl;
		cout<<"                    售价："<<Book[i].getCost()<<"元"<<endl;
		if(++playtime%4==0)
		{
			cout<<"                  请按回车键继续。"<<endl;
			cin.get();
		}
	}
	cout<<"                  显示完毕，按回车键确认！"<<endl;
	cin.get();
}

//+---------------------------------------------------------------------------+
//|                      Display（具体图书查询）函数                          |
//+---------------------------------------------------------------------------+

void Display(int authority,float percent)
{
	int choice,data,book=0;
	char select,title[40];
	
loope:
	system("cls");
	cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
	cout<<"           您想通过哪种索引来查找？（1.书号 2.书名）"<<endl;
	
	do{
		cout<<endl<<"                 请在1和2中选择：";
		cin>>choice;
		cin.ignore();
	}while(choice!=1 && choice!=2);

	if(choice==1)
	{
		cout<<endl<<"            请输入您要查找图书的书号：";
		cin>>data;
		cout<<endl;
		Numsort(1,max-1);
		book=Search(data,1,max-1);         //完成按书号查找
	}
	else
	{
		cout<<endl<<"            请输入您要查找图书的书名：";
		cin>>title;
		cout<<endl;
		Titsort(1,max-1);
		book=Tisearch(title,1,max-1);           //完成按书名查找
	}
	if(!book)
	{
		cout<<endl<<"          对不起，本书店没有您所找的图书，请谅解！"<<endl;
		do
		{
			cout<<endl<<"              需要查询其他图书吗？(Y/N)"<<endl;
			cin>>select;
			select=toupper(select);
			cin.ignore();
		}while(select!='Y' && select!='N');
		
		if(select=='Y') goto loope;
	}
	else
	{
		system("cls");
		cout<<endl<<endl<<endl<<endl<<endl;
		if(authority!=1) cout<<endl<<endl;
		cout<<"                   已找到您所需的图书"<<endl<<endl;
		cout<<"                      书号："<<Book[book].getNum()<<endl;
		cout<<"                      书名："<<Book[book].getTitle()<<endl;
		cout<<"                      类型：";
				
		switch(Book[book].getKind())
		{
			case 1: cout<<"教育"; break;
			case 2: cout<<"军事"; break;
			case 3: cout<<"历史"; break;
			case 4: cout<<"文学"; break;
			case 5: cout<<"科技"; break;
			case 6: cout<<"娱乐"; break;
		}
		
		cout<<endl;
		cout<<"                      作者："<<Book[book].getAuthor()<<endl;
		cout<<"                    出版社："<<Book[book].getPub()<<endl;
		cout<<"                    库存量："<<Book[book].getQty()<<"本"<<endl;
		cout<<"                      原价："<<Book[book].getCost()<<"元"<<endl;
		cout<<"                      现价："<<percent*Book[book].getCost()<<"元"<<endl;
		if(authority==1)
		{
			cout<<"                  总进货量："<<Book[book].getTot()<<"本"<<endl;
			cout<<"                    销售量："<<Book[book].getTot()-Book[book].getQty()<<"本"<<endl;
			cout<<"                    销售额："<<Book[book].getCost()*(Book[book].getTot()-Book[book].getQty())<<"元"<<endl;
			cout<<"                当前价值量："<<Book[book].getCost()*Book[book].getQty()<<"元"<<endl;
		}
		do
		{
			cout<<endl<<"                     您要查询其他图书吗？(Y/N)"<<endl;
			cin>>select;
			select=toupper(select);
			cin.ignore();
		}while(select!='Y' && select!='N');
		
		if(select=='Y')
		{
			book=0;
			goto loope;   //返回路径点查询其他图书
		}
	}
}
#endif