5_2－t.cpp

物品存放的管理C++源程序 用于管理物品的小软件 适合课程设计

/*第2题	物品库存管理--源代码及关键源代码注解如下：*/
// file operations
#include<iostream.h>
#include<process.h>      //exit(1)
#include<fstream.h>      //file operations
#include<string.h>
#include<dos.h>
int lgwg,num,i;	
char pause;
class Brand
{
    private:		
		int Brand_code;	
		int quantity;
		float brnd_price;
		char brnd_name[20];
	public:
		Brand()
		{
			brnd_name[0]=NULL;
		}
		void getdata();
		void showdata();
		char *rtnname() {return brnd_name;}
		float rtnprice() {return brnd_price;}
};
class Item
{
	
	private:
		char Item_name[10];
		int Item_code;
		char colour[10];
		int quantity;
		Brand brnd[9];
		//Private Member functions used internally
		void getdata();
		void showdata();
	public:
		void add();
		void remove();
		void search();
		void showab();
};

//   GET Brand DATA
//	 gets data about the Brand
//	 it is temperary storage

void Brand::getdata()
{
	switch(lgwg)
	{
	case 1:
		cout<<"\n\nEnter Brand Name   ";
		cin.ignore();
		cin.getline(brnd_name,20);
		cout<<"\nEnter Brand Code ";
		cin>>Brand_code;
		cout<<"\nEnter Quantity ";
		cin>>quantity;
		cout<<"\nEnter Price";
		cin>>brnd_price;
		break;
    case 2:
		cout<<"\n\n请输入商标名称: ";
		cin.ignore();
		cin.getline(brnd_name,20);
		cout<<"\n请输入商标编号: ";
		cin>>Brand_code;
		cout<<"\n请输入物品数量: ";
		cin>>quantity;
		cout<<"\n请输入物品价格: ";
		cin>>brnd_price;
	}
}

//	SHOW Brand DATA 
//  shows the data of the Brand

void Brand::showdata()
{
	switch(lgwg)
	{
	case 1:
		cout<<"\n\nName          :  "; cout<<brnd_name;
		cout<<"\n\nCode          :  "; cout<<Brand_code;
		cout<<"\n\nQuantity      :  "; cout<<quantity;
		cout<<"\n\nPrice         :  "; cout<<brnd_price<<endl;
		break;
	case 2:
		cout<<"\n\n商标名称      :  "; cout<<brnd_name;
		cout<<"\n\n商标编号      :  "; cout<<Brand_code;
		cout<<"\n\n物品数量      :  "; cout<<quantity;
		cout<<"\n\n物品价格      :  "; cout<<brnd_price<<endl;
	}
}

//	GET Item DATA 
//  gets data about the Item	it is temporary storage
      
void Item::getdata()	
{
	switch(lgwg)
	{
	case 1:
		cout<<"\nEnter Item Name ";
		cin.ignore();
		cin.getline(Item_name,10);
		cout<<"\nEnter Item Code  ";
		cin>>Item_code;
		cout<<"\nEnter Colour ";
		cin.ignore();
		cin.getline(colour,10);
		cout<<"\nEnter Item Quantity ";
		cin>>quantity;
		cout<<"\nEnter Brand Quantity (Less than nine) ";
		cin>>num;
		for(i=0;i<num;i++)
		{
			cout<<"\n\nEnter Brand "<<i+1;
			brnd[i].getdata();
		}
		i=0;
		break;
	case 2:
		cout<<"\n请输入物品名称: ";
		cin.ignore();
		cin.getline(Item_name,10);
		cout<<"\n请输入物品编号: ";
		cin>>Item_code;
		cout<<"\n请输入物品颜色: ";
		cin.ignore();
		cin.getline(colour,10);
		cout<<"\n请输入物品数量: ";
		cin>>quantity;
		cout<<"\n请输入商标数量（九个以内）: ";
		cin>>num;
		for(i=0;i<num;i++)
		{
			cout<<"\n\n请输入第"<<i+1<<"个商标数据: ";
			brnd[i].getdata();
		}
		i=0;
	}
}

//	SHOW Item DATA
//  shows data about the Item

void Item::showdata()	
{
	switch(lgwg)
	{
	case 1:
		cout<<"\n\n\t\tItem Data";
		cout<<"\n\nItem Name    :  ";
		cout<<Item_name;
		//Write a string to stdout
		cout<<"\n\nItem Code    :  ";
		cout<<Item_code;
		cout<<"\n\nColour       :  ";
		cout<<colour;
		cout<<"\n\nQuantity     :  ";
		cout<<quantity<<endl;
		cout<<"\n\nPress Enter to continue.";cin.get(pause);
		//clrscr();
		while(*brnd[i].rtnname())
		{
			cout<<"\n\nBrand "<<i+1<<endl; brnd[i].showdata();
			i++;
			cout<<"\n\nPress Enter to continue.";cin.get(pause);
			//clrscr();
		}
		i=0;
		break;
	case 2:
		cout<<"\n\n\t\t物品数据";
		cout<<"\n\n物品名称     :  ";
		cout<<Item_name;
		//Write a string to stdout
		cout<<"\n\n物品编码     :  ";
		cout<<Item_code;
		cout<<"\n\n物品颜色     :  ";
		cout<<colour;
		cout<<"\n\n物品数量     :  ";
		cout<<quantity<<endl;
		cout<<"\n\n按回车继续";cin.get(pause);
		//clrscr();
		while(*brnd[i].rtnname())
		{
			cout<<"\n\n第"<<i+1<<"个商标\n"; brnd[i].showdata();
			i++;
			cout<<"\n\n按回车继续";cin.get(pause);
			//clrscr();
		}
		i=0;
	}
}

//	Add Item
// this function first gets data into temp storage then saves it on the hard disk

void Item::add()	
{
	//clrscr();
	ofstream file( "TIS.txt", ios::out |ios::ate ); //open file for input
	if(!file)   //if file could not be opened
	{
		if(lgwg==1) cout<<"Error Could Not Open File.\n\nPress Enter to continue.";
		else cout<<"错误!无法打开文件。\n\n按回车继续";
		cin.ignore();cin.get(pause);
		exit(1);
	}
	Item p1;
	p1.getdata();       //Get Data From User For Temp. Storage
	//   write data to hard disk
    file.write(reinterpret_cast <const char *> (&p1),sizeof(Item) );
}

// TRAVERSE
//  this function shows the list of all the Brands 

void Item::showab()  	
{
	system("cls");//clrscr();
	ifstream file( "TIS.txt" ,ios::in);  //open file for output
	if(!file)   //if file could not be opened
	{
		if(lgwg==1) cout<<"Error Could Not Open File.\n\nPress Enter to continue.";
		else cout<<"错误!无法打开文件。\n\n按回车继续";
		cin.ignore();cin.get(pause);
		exit(1);
	}
	Item p1;
	file.read(reinterpret_cast<char *>(&p1),sizeof(Item));
	//Store Data In Object
	cin.ignore();
	while(!file.eof()) //Untill Contacts Present
	{
		//clrscr();
		p1.showdata() ;  //Display on Screen
		file.read(reinterpret_cast<char *> (&p1),sizeof(Item)); //Read Next Contact
	}
}

//   SEARCH 

void Item::search()   	
{
node1:	
	//clrscr();
	char name1[10]={NULL};
	int code=-1;
	int option;
	float prc=-1;
	system("cls");
	if(lgwg==1) cout<<"\n(1)Search By Name\n(2)Search By Code\n(3)Search By Price\n(4)Back  ";
	else cout<<"\n(1)按名称搜索\n(2)按编码搜索\n(3)按价格搜索\n(4)返回   ";
	cin>>option;
	cin.ignore();
	switch(option)
	{
	case 1:
		if(lgwg==1) cout<<"\nEnter Item name ";
		else cout<<"\n请输入物品名称 :";
		cin.getline(name1,10);
		break;
	case 2:
		if(lgwg==1) cout<<"\nEnter Item Code ";
		else cout<<"\n请输入编码 : ";
		cin>>code;
		cin.ignore();
		break;
	case 3:
		if(lgwg==1) cout<<"\nEnter The Price ";
		else cout<<"\n请输入价格 : ";
		cin>>prc;
		break;
	case 4:
		system("cls");
		return;
	default:
		goto node1;

	}
	fstream file( "TIS.txt" ,ios::in);  //Open File For Output/Read
	if(!file)  //If File Could Not Be Opened
	{
		if(lgwg==1) cout<<"Error Could Not Open File.\n\nPress Enter to continue.";
		else cout<<"错误!无法打开文件。\n\n按回车继续";
		cin.ignore();cin.get(pause);
		exit(1);
	}
	char flag='a';  //Flag To Check If Found
	Item p1;
	file.read(reinterpret_cast<char *>(&p1),sizeof(Item));
	//Read Data To Object
	while(!file.eof())  //Untill There Are Contacts
	{
		if((strcmp(p1.Item_name,name1)==0)||(p1.Item_code==code))  //Compare
		{
			//clrscr();
			p1.showdata();
//			if(lgwg==1) cout<<"\n\nPress Enter to continue.";
//			else cout<<"\n\n按回车继续";
//			cin.get(pause);
			flag='z';   //Set Flag
			break; //Break Loop
		}
		for(i=0;*p1.brnd[i].rtnname()&&i<9;i++)
		{
			if(p1.brnd[i].rtnprice()==prc)
			{
				cout<<"\n\n"<<p1.Item_name<<endl;
				p1.brnd[i].showdata();
				if(lgwg==1) cout<<"\n\nPress Enter to continue.";
				else cout<<"\n\n按回车继续";
 				cin.ignore();cin.get(pause);
				flag='z';
			}
		}
		i=0;
		file.read(reinterpret_cast<char *> (&p1),sizeof(Item));
		//Read Next Contact
	}
	if(flag !='z')  //If Not Found
	{
		if(lgwg==1) cout<<"Item Not Found.\n\nPress Enter to continue.";
		else cout<<"未找到匹配档案。\n\n按回车继续";
		cin.ignore();cin.get(pause);
	}
	goto node1;
}

// REMOVE Item 
// remove is a bit different first all the data except the Item to be deleted is saved in an other file called delete...
// then the original file is washed and all the data is copied back again
      
void Item::remove()
{
node2:
	//clrscr();
	char name1[10]={NULL};
	int code;
	int option;
	system("cls");
	if(lgwg==1) cout<<"\n(1)Delete By Name\n(2)Delete By Code\n(3)Back  ";
	else cout<<"\n(1)按姓名删除\n(2)按代码删除\n(3)返回  ";
	cin>>option;
	switch(option)
	{
	case 1:
		if(lgwg==1) cout<<"\nEnter Item name  ";
		else cout<<"\n请输入物品名称 :";
		cin.ignore();
		cin.getline(name1,10);
		code=0;
		break;
	case 2:
		if(lgwg==1) cout<<"\nEnter Item Code ";
		else cout<<"\n请输入编码 :";
		cin>>code;
		cin.ignore();
		break;
	case 3:
		system("cls");
		return;
	default:
		goto node2;
	}
	ifstream file( "TIS.txt" ,ios::in );
	ofstream temp( "delete.txt", ios::trunc);
	if(!file||!temp)
	{
		if(lgwg==1) cout<<"Error Could Not Open File.\n\nPress Enter to continue.";
		else cout<<"错误!无法打开文件。\n\n按回车继续";
		cin.ignore();cin.get(pause);
		exit(1);
	}
	file.seekg(0);
	temp.seekp(0);
	Item p1;
	file.read(reinterpret_cast<char *> (&p1),sizeof(Item));
	pause='a';
	while(!file.eof())
	{
		if((strcmp(name1,p1.Item_name)==0)||(code==p1.Item_code))
		{
			file.read(reinterpret_cast<char *> (&p1),sizeof(Item));
			pause='z';
		}
		else
		{
			temp.write(reinterpret_cast<char *> (&p1),sizeof(Item));
			file.read(reinterpret_cast<char *> (&p1),sizeof(Item));
        }
	}
	file.close();
	temp.close();
	ifstream temp1("delete.txt",ios::in);
	ofstream file1("TIS.txt", ios::trunc);
    temp1.seekg(0);
    file1.seekp(0);
    temp1.read(reinterpret_cast<char *> (&p1),sizeof(Item));
    while(!temp1.eof())
	{
        file1.write(reinterpret_cast<char *> (&p1),sizeof(Item) );
		temp1.read(reinterpret_cast<char *> (&p1),sizeof(Item) );
	}
    temp1.close();
	file1.close();
	if(pause=='z')
	{
		if(lgwg==1) cout<<"Deleted.\n\nPress Enter to continue.";
		else cout<<"已删除。\n\n按回车继续";
		cin.get(pause);
	}
	else
	{
		if(lgwg==1) cout<<"Item Not Found.\n\nPress Enter to continue.";
		else cout<<"未找到匹配档案。\n\n按回车继续";
		cin.get(pause);
	}
	goto node2;
}

void welcome()
{
	system("cls");
	cout<<"\n\n\n\t\t     Please Choice The Language（请选择语言）:\n\t\t     (1)English（英文）\t (2)Chinese（中文）\n\t\t\t\t\t";
	cin>>lgwg;
	while(lgwg!=1&&lgwg!=2)
	{
		cout<<"\t\tBad Command.Please Choice Again.（无效!情重新输入）\n\t\t\t\t\t";
		cin>>lgwg;
	}
	system("cls");
	switch(lgwg)
	{
	case 1:
		cout<<"\t\t*************************************************\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*  Welcome to The Inventory System (TIS) Ver.1  *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*            Projected by: Fan Jingyu           *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*          Class:03042101 Code:03304578         *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*************************************************\n\n";
		break;
	case 2:
		cout<<"\t\t*************************************************\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*         欢迎使用物品库存管理程序 第一版       *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*                 设计者： 樊劲宇               *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*          班级:03042101  学号:03304578         *\n";
		cout<<"\t\t*                                               *\n";
		cout<<"\t\t*************************************************\n\n";
	}
	if(lgwg==1) cout<<"\n\n\t\t\tPress Enter to continue.";
	else cout<<"\n\n\t\t\t\t按回车继续";
	cin.ignore();cin.get(pause);
}

//	MAIN FUNCTION

void main()
{
	Item m;
	int choice;
	welcome();
	while(1)
	{
		//clrscr();
		system("cls");
		if(lgwg==1)
		{
			cout<<"\n\n(1)Add Item\n\n(2)Show All Data\n\n(3)Search Item\n\n(4)Remove Item\n\n(5)Choice Language\n\n(6)Exit TIS";
			cout<<"\n\nEnter Choice ";
		}
		else
		{
			cout<<"\n\n(1)添加物品\n\n(2)显示所有数据\n\n(3)搜索物品\n\n(4)删除物品\n\n(5)语言选择\n\n(6)退出程序";
			cout<<"\n\n请输入选择项: ";
		}
		cin>>choice;
		switch(choice)
		{
		case 1:
			m.add();
			break;
		case 2:
			m.showab();
			break;
		case 3:
           	m.search();
			break;
		case 4:
			m.remove();
			break;
		case 5:
			welcome();
			break;
		case 6:
			exit(1); 
		default:
			{
				if(lgwg==1) cout<<"Bad Command.Please Choice Again.\n";
				else cout<<"无效!情重新输入\n";
			}
		}
	}
}