rtrtrtrtrtrtdlg.cpp

利用MFC编写的简单的库存系统

// rtrtrtrtrtrtDlg.cpp : implementation file
//

#include "stdafx.h"
#include "rtrtrtrtrtrt.h"
#include "rtrtrtrtrtrtDlg.h"
#include "iostream.h"
#include "fstream.h"
#include "string.h"
#include "malloc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About


CString filename;
struct goods a[100];
struct sale  b[100];

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRtrtrtrtrtrtDlg dialog

CRtrtrtrtrtrtDlg::CRtrtrtrtrtrtDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRtrtrtrtrtrtDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRtrtrtrtrtrtDlg)
	m_zhao = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CRtrtrtrtrtrtDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRtrtrtrtrtrtDlg)
	DDX_Control(pDX, IDC_XIAOYILIST, m_jiaoyilist);
	DDX_Control(pDX, IDC_FINDLIST, m_seeklist);
	DDX_Control(pDX, IDC_SALELIST, m_salelist);
	DDX_Control(pDX, IDC_GOODSLIST, m_goodslist);
	DDX_Text(pDX, IDC_ZHAO, m_zhao);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRtrtrtrtrtrtDlg, CDialog)
	//{{AFX_MSG_MAP(CRtrtrtrtrtrtDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_Open, OnOpen)
	ON_BN_CLICKED(IDC_PAILIE, OnPailie)
	ON_BN_CLICKED(IDC_SEEK, OnSeek)
	ON_EN_CHANGE(IDC_ZHAO, OnChangeZhao)
	ON_BN_CLICKED(IDC_JIAOYI, OnJiaoyi)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRtrtrtrtrtrtDlg message handlers

BOOL CRtrtrtrtrtrtDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	DataInit();
	
	GetDlgItem(IDC_Open)->EnableWindow(TRUE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CRtrtrtrtrtrtDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CRtrtrtrtrtrtDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CRtrtrtrtrtrtDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}





void CRtrtrtrtrtrtDlg::DataInit()//初始化

{
	

	bFileEmpty=FALSE;
	bNewFile=FALSE;
	bFileModified=FALSE;//初始化文件属性


    ifstream infile(filename,ios::in|ios::nocreate);//打开文件，失败返回错误信息

	if(!infile)
	{
		bNewFile=TRUE;
		bFileEmpty=TRUE;
		iCount=0;
		
	}

    if(bFileEmpty==FALSE)//如果文件已存在，则从文件中读取数据建立链表
	{
		char temp[3];
		infile>>temp;
		iCount=atoi(temp);
        

   for(int i=0;i<95;i++)//将所得信息放入结构体数组中
   {         if(i<iCount)//商品信息的读入
				{         
				  infile>>a[i].num;                           //从文件中读取商品序号
			      infile>>a[i].amount;                        //数量
				  infile>>a[i].price;                         //价格
				  infile.ignore(2);                           //忽略而个空格
				  infile.getline(a[i].name,50,'\n');          //商品名
                  m_goodslist.InsertString(i*5,a[i].num);		//向商品信息显示框输入信息
				  m_goodslist.InsertString(i*5+1,a[i].amount);
				  m_goodslist.InsertString(i*5+2,a[i].price);
				  m_goodslist.InsertString(i*5+3,a[i].name);
				  m_goodslist.InsertString(i*5+4," ");
                 }
   
                  else //交易信息的读入
				  {
				           infile>>b[i-33].code;				//交易代码
						   infile>>b[i-33].num;					//交易商品序号
						   infile>>b[i-33].sales;				//买进卖出代码
						   infile>>b[i-33].amount;				//买进卖出数量
						   m_salelist.InsertString((i-33)*5,b[i-33].code);
				           m_salelist.InsertString((i-33)*5+1,b[i-33].num);
                           m_salelist.InsertString((i-33)*5+2,b[i-33].sales);
						   m_salelist.InsertString((i-33)*5+3,b[i-33].amount);
				           m_salelist.InsertString((i-33)*5+4," ");
				  }
   
   
   }	
		
	}	
		GetDlgItem(IDC_PAILIE)->EnableWindow(FALSE);//使其它几个按钮在读入文件前无法使用
		GetDlgItem(IDC_JIAOYI)->EnableWindow(FALSE);
		GetDlgItem(IDC_SEEK)->EnableWindow(FALSE);
}	









void CRtrtrtrtrtrtDlg::OnOpen() 
{
	// TODO: Add your control notification handler code here
	CFileDialog dlg(TRUE,"txt");
	char cFliter[]="Adress List File (*.txt)\0*.txt\0\0";
//规定能打开的的文件的后缀名为txt.
	dlg.m_ofn.lpstrFilter=cFliter;
	dlg.m_ofn.lpstrTitle="请输入要创建/打开的文件名...";
	
	int iResult;
	iResult = dlg.DoModal();
	if(iResult == IDOK)
	{
		filename=dlg.GetFileName();//filename是全局变量用来存放文件名
	}
	DataInit();									//对读入的文件进行初始化
	GetDlgItem(IDC_PAILIE)->EnableWindow(TRUE);//使排序按钮可用
	GetDlgItem(IDC_JIAOYI)->EnableWindow(TRUE);//同上
}

void CRtrtrtrtrtrtDlg::OnPailie() //按序号升序尽心排序
{
	// TODO: Add your control notification handler code here
		m_goodslist.ResetContent();//将商品信息显示框重置
     
	 int i;
	char t[50];//定义交换数组
	for(int x=0;x<iCount;x++)//冒泡法
				   
			   {    for( i=x;i<iCount;i++)
				   {
				   if ((atoi(a[x].num))>(atoi(a[i].num)))
						{
						     strcpy(t,a[x].num);
							 strcpy(a[x].num,a[i].num);
							 strcpy(a[i].num,t);
                             
							 strcpy(t,a[x].amount);
							 strcpy(a[x].amount,a[i].amount);
							 strcpy(a[i].amount,t);

							 strcpy(t,a[x].price);
							 strcpy(a[x].price,a[i].price);
							 strcpy(a[i].price,t);
								
							 strcpy(t,a[x].name);
							 strcpy(a[x].name,a[i].name);
							 strcpy(a[i].name,t);
						}
				   }
			   }

                for(i=0;i<iCount;i++)//输出排序完成后的商品信息
				{
				  m_goodslist.InsertString(i*5,a[i].num);
				  m_goodslist.InsertString(i*5+1,a[i].amount);
				  m_goodslist.InsertString(i*5+2,a[i].price);
				  m_goodslist.InsertString(i*5+3,a[i].name);
				  m_goodslist.InsertString(i*5+4," ");
				}
				GetDlgItem(IDC_SEEK)->EnableWindow(TRUE);//使查找处于可用状态

}

void CRtrtrtrtrtrtDlg::OnSeek() //对商品进行查找（用二分法，须在排序之后使用）
{
	// TODO: Add your control notification handler code here
		m_seeklist.ResetContent();//更新查找商品信息显示框
		int b,as,i;
	    b=iCount;
	    as=0;
		 for(i=b/2;;)//运用二分法进行查找
	 {
		 
			 if  (atoi(a[i].num)<m_zhao){as=i; i=(i+b)/2;}
			 else if(atoi(a[i].num)>m_zhao){i=(as+i)/2;}
			 if  (atoi(a[i].num)==m_zhao||i==as){break;}
	 }
	 if(atoi(a[i].num)==m_zhao)//如有则输出对应商品信息
		  
	 {    
		  m_seeklist.InsertString(0,a[i].num);
	      m_seeklist.InsertString(1,a[i].amount);
		  m_seeklist.InsertString(2,a[i].price);
		  m_seeklist.InsertString(3,a[i].name);
	 } 
	else m_seeklist.InsertString(0,"无此商品");//没有则输出无此商品
}

void CRtrtrtrtrtrtDlg::OnChangeZhao() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	UpdateData(TRUE);
	// TODO: Add your control notification handler code here
	
}

void CRtrtrtrtrtrtDlg::OnJiaoyi() //对商品进行交易
{
	// TODO: Add your control notification handler code here
	int x,y,n;  //定义插入行数x和商品的循环y
	x=0;
	int i;
	int z;
	//char t[2];
	for(i=0;i<62;i++)
	{	
		m_jiaoyilist.InsertString(x++,b[i].code);
		if(strcmp(b[i].sales,"S")&&strcmp(b[i].sales,"R"))//如买进卖出代码不是S或R则输出买卖代码错误
		{ 
		    m_jiaoyilist.InsertString(x++,"买卖代码错误!");
			
		}
		if(atoi(b[i].amount)<0)//如果数量小于0则输出交易数量错误
		{
			m_jiaoyilist.InsertString(x++,"交易数量错误!");
            		
		}
        
		if(atoi(b[i].amount)<0||(strcmp(b[i].sales,"S")&&strcmp(b[i].sales,"R")))
		{
			m_jiaoyilist.InsertString(x++," ");
			continue;
		}
		else 
			for(y=0;y<iCount;y++)
			{
				n=0;
			if(!strcmp(a[y].num,b[i].num))//匹配成功则对商品数量进行相应的加减
			{  n=1   ;
			       if(!strcmp(b[i].sales,"S"))
				   {
				        z=atoi(a[y].amount)-atoi(b[i].amount);
						a[y].amount[1]=z%10+48;
						a[y].amount[0]=z/10+48;
						if(a[y].amount[1]<48)
						{a[y].amount[1]=48;
						m_jiaoyilist.InsertString(x++,"商品数量不够");}
				   }
					else		
					{
						z=atoi(a[y].amount)+atoi(b[i].amount);
						a[y].amount[1]=z%10+48;
						a[y].amount[0]=z/10+48;
					}			
			        break;
			}
			
			
			}
			
			
			
			if(n)
			{m_jiaoyilist.InsertString(x++,"交易成功!");}
			else//不成功则显示无私商品
			{m_jiaoyilist.InsertString(x++,"库中无此商品");}
		
		
		m_jiaoyilist.InsertString(x++," ");
	}


m_goodslist.ResetContent();//更新商品信息显示框

for(i=0;i<iCount;i++)//输出经过交易后的商品信息
				{
				  m_goodslist.InsertString(i*5,a[i].num);
				  m_goodslist.InsertString(i*5+1,a[i].amount);
				  m_goodslist.InsertString(i*5+2,a[i].price);
				  m_goodslist.InsertString(i*5+3,a[i].name);
				  m_goodslist.InsertString(i*5+4," ");
				}




}