bookstore.cpp

小型图书馆管理系统

//*****************************************************************************
//*                         软件工程开发设计                                  *
//*                            ——“小型图书销售系统”                       *
//*                                                                           *
//*         工作组: 翟乃钧(030310229)、陈奎(030310226)、蔡晟(030310211)       *
//*                        完成时间: 2005年11月24日                           *
//*****************************************************************************

#include<stdlib.h>
#include<iostream.h>
#include<string.h>
#include<ctype.h>
#include<iomanip.h>
#include<fstream.h>
#include"tables.h"

//*****************************************************************************
//*                               主函数                                      *
//*****************************************************************************

void main(void)
{
	Administrator *limits1,*limits2,*q;
	int choice,a,i,times=1;
	int authority=0;      //权限标示符
	char b[40],select;
	float t;
	float percent=1;      //折扣率
	fstream dataFile;

	dataFile.open("Library.dat",ios::in);
	if(!dataFile)
	{
		cout<<endl<<"             图书数据文件出现错误，程序中止！"<<endl;
		cin.get();
		return;
	}
	cout<<endl<<"                  程序启动成功，正在读取资料..."<<endl;
		
	for(i=1;!dataFile.eof();i++,max++)
	{
		dataFile>>a;
		Book[i].setNum(a);
		dataFile>>b;
		Book[i].setTitle(b);
		dataFile>>a;
		Book[i].setKind(a);
		dataFile>>b;
		Book[i].setAuthor(b);
		dataFile>>b;
		Book[i].setPub(b);
		dataFile>>a;
		Book[i].setTot(a);
		dataFile>>a;
		Book[i].setQty(a);
		dataFile>>t;
		Book[i].setCost(t);
	}        //读取文件资料至类变量
	dataFile.close();
    
loope1:
	system("cls");
	cout<<endl<<endl<<endl<<endl<<endl<<endl<<"                   欢迎使用本系统，请选择您的登陆身份："<<endl;
	cout<<endl<<"                            1.管理员 2.顾客"<<endl;
loope2:
	cin>>choice;
	cin.ignore();
	
	while(choice!=1 && choice!=2)
	{
		cout<<"                             请在数字1和2中选择："<<endl;
		cin>>choice;
		cin.ignore();
	}
	if(choice==1)
	{
		dataFile.open("Advanced.dat",ios::in);
		if(!dataFile)
		{
			cout<<endl<<"                       高级管理员文件出现错误，程序中止！"<<endl;
			cin.get();
			return;
		}
		limits1=new Administrator;
				
		while(!dataFile.eof())
		{
			q=new Administrator;
			dataFile>>q->name;
			dataFile>>q->password;
			q->next=limits1->next;
			limits1->next=q;
		}    //读取高级管理员资料至类变量
		dataFile.close();
		
		dataFile.open("Common.dat",ios::in);
		if(!dataFile)
		{
			cout<<endl<<"                       普通管理员文件出现错误，程序中止！"<<endl;
			cin.get();
			return;
		}
		limits2=new Administrator;
		
		while(!dataFile.eof())
		{
			q=new Administrator;
			dataFile>>q->name;
			dataFile>>q->password;
			q->next=limits2->next;
			limits2->next=q;
		}    //读取普通管理员资料至类变量
		dataFile.close();
		
		cout<<"               您将以管理员身份登陆，请输入您的姓名：";
		cin>>b;
		cout<<endl;
		for(q=limits1->next;q;q=q->next)
			if(strcmp(b,q->name)==0)
			{
				cout<<"                       请输入六位密码：";
				cin>>b;
				cout<<endl;
				
				while(strcmp(q->password,b)!=0 && times<3)
				{
					while(strlen(b)!=6)
					{
						cout<<"                        密码为六位，请重新输入：";
						cin>>b;
						cout<<endl;
					}
					if(strcmp(q->password,b)!=0)
					{
						cout<<"                     你的密码不正确，请重新输入：";
						cin>>b;
						times++;
						cout<<endl;
					}
				}
				if(strcmp(q->password,b)!=0 && times==3)
				{
					cout<<"          您已连续三次输错密码，请重新选择登陆：（1.管理员 2.顾客）"<<endl;
					times=1;
					goto loope2;
				}				
				authority=1;
				cout<<"                     欢迎光临，"<<q->name<<"，您是高级管理员！";
				cin.ignore();
				break;
			}
		if(!authority)
			for(q=limits2->next;q;q=q->next)
				if(strcmp(b,q->name)==0)
				{
					cout<<"                       请输入六位密码：";
					cin>>b;
					cout<<endl;
				
					while(strcmp(q->password,b)!=0 && times<3)
					{
						while(strlen(b)!=6)
						{
							cout<<"                        密码为六位，请重新输入：";
							cin>>b;
							cout<<endl;
						}
						if(strcmp(q->password,b)!=0)
						{
							cout<<"                     你的密码不正确，请重新输入：";
							cin>>b;
							times++;
							cout<<endl;
						}
					}
					if(strcmp(q->password,b)!=0 && times==3)
					{
						cout<<"          您已连续三次输错密码，请重新选择登陆：（1.管理员 2.顾客）"<<endl;
						times=1;
						goto loope2;
					}
					authority=2;
					cout<<"                           你好，"<<q->name<<"管理员！";
					cin.ignore();
					break;
				}
		if(!authority)
		{
			system("cls");
			cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
			cout<<"           列表中没有您的信息，请重新选择登陆：1.管理员 2.顾客"<<endl;
			goto loope2;
		}
	}
	else
	{
		cout<<"                      顾客朋友您好，欢迎使用本系统！";
		authority=3;
	}
	cout<<endl<<endl<<"                                              请按回车键开始操作。"<<endl;
	cin.get();

	while(1)
	{
		system("cls");
		cout<<endl<<endl<<endl<<endl<<endl<<endl;
		if(authority<3)
		{
			cout<<"                               图书管理系统                      "<<endl<<endl;
			cout<<"                             1.  采编入库                        "<<endl;
			cout<<"                             2.  清除库存                        "<<endl;
			cout<<"                             3.  信息查询                        "<<endl;
			cout<<"                             4.  设置折扣";
			if(authority==2) cout<<"（不可操作）";
			cout<<endl;
			cout<<"                             5.  统计报表";
			if(authority==2) cout<<"（不可操作）";
			cout<<endl;
			cout<<"                             6.  管理员名单";
			if(authority==2) cout<<"（不可操作）";
			cout<<endl;
			cout<<"                             7.  修改登陆密码                    "<<endl;
			cout<<"                             8.  返回登陆界面                    "<<endl;
			cout<<"                             9.  关闭系统                        "<<endl<<endl;
			cout<<"                              请输入您的选择:                    "<<endl<<endl;
	
			do
			{
				cout<<"                            请在数字1-9的范围内输入：";
				cin>>choice;
				cin.ignore();
				cout<<endl;
			}while(choice<1 || choice>9);
	
			switch(choice)
			{
				case 1: Add(); break;
				case 2: Delete(); break;
				case 3: Infor(authority,percent); break;
				case 4: 
					if(authority==2)
					{
						system("cls");
						cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
						cout<<"               很抱歉，您不是高级管理员，没有设置折扣的权限。"<<endl;
						cout<<endl<<"                             请按回车键返回";
						cin.get();
					}
					else 
						percent=Price(percent); break;
				case 5: 
					if(authority==2)
					{
						system("cls");
						cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
						cout<<"               很抱歉，您不是高级管理员，没有察看报表的权限。"<<endl;
						cout<<endl<<"                             请按回车键返回";
						cin.get();
					}
					else 
						Tables(); break;
				case 6: 
					if(authority==2)
					{
						system("cls");
						cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
						cout<<"               很抱歉，您不是高级管理员，没有察看名单的权限。"<<endl;
						cout<<endl<<"                             请按回车键返回";
						cin.get();
					}
					else Admin(); break;
				case 7: Password(q->name,authority); break;
				case 8:
					system("cls");
					authority=0;
					cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
					cout<<"                             管理员操作已完成。";
					cin.get();
					goto loope1;
				case 9:
					system("cls");
					cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
				
					do
					{
						cout<<"                            确认关闭系统吗？(Y/N)"<<endl;
						cin>>select;
						select=toupper(select);
						cin.ignore();
					}while(select!='Y' && select!='N');

					if(select=='Y')
					{
						cout<<"                         系统已关闭，请按回车键结束……";
						cin.get();
						exit(0);
					}
			}
		}
		else
		{
			cout<<"                               图书销售系统               "<<endl<<endl;
			cout<<"                             1.  信息查询                       "<<endl<<endl;
			cout<<"                             2.  选购图书                       "<<endl<<endl;
			cout<<"                             3.  管理规定                       "<<endl<<endl;
			cout<<"                             4.  退出系统                       "<<endl<<endl;
			cout<<"                                请输入您的选择:                 "<<endl<<endl;
	
			do
			{
				cout<<"                            请在数字1-4的范围内输入：";
				cin>>choice;
				cin.ignore();
				cout<<endl;
			}while(choice<1 || choice>4);
	
			switch(choice)
			{
				case 1: Infor(authority,percent); break;
				case 2: Sell(percent); break;
				case 3: Rules(); break;
				case 4:
					system("cls");
					authority=0;
					cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl;
					cout<<"                   谢谢您的操作及对本书店的支持，欢迎下次再来！";
					cin.get();
					goto loope1;
			}
		}
	
		dataFile.open("Library.dat",ios::out);
		if(!dataFile)
		{
			cout<<"          文件打开出现错误，程序中止！"<<endl;
			return;
		}
		
		for(i=1;i<max;i++)
		{
			dataFile<<Book[i].getNum()<<endl;
			dataFile<<Book[i].getTitle()<<endl;
			dataFile<<Book[i].getKind()<<endl;
			dataFile<<Book[i].getAuthor()<<endl;
			dataFile<<Book[i].getPub()<<endl;
			dataFile<<Book[i].getTot()<<endl;
			dataFile<<Book[i].getQty()<<endl;
			dataFile<<Book[i].getCost();
			if(i!=max-1)
				dataFile<<endl;           //最后一个数据存入文件后不再换行
		}               //将数据写入文件
		
		cout<<endl<<"                     数据资料存储完毕。"<<endl;
		dataFile.close();
		cout<<endl<<endl;
	}
}