duser.cpp

一个VC++写的商品库存管理系统

// DUser.cpp : implementation file
//

#include "stdafx.h"
#include "商品库存管理系统.h"
#include "DUser.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern _ConnectionPtr cnn;
extern CMyApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CDUser dialog


CDUser::CDUser(CWnd* pParent /*=NULL*/)
	: CDialog(CDUser::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDUser)
	//}}AFX_DATA_INIT
}


void CDUser::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDUser)
	DDX_Control(pDX, IDC_LIST1, m_List);
	DDX_Control(pDX, IDC_EDTPassward, m_EdtPassWard);
	DDX_Control(pDX, IDC_EdtName2, m_EdtName);
	DDX_Control(pDX, IDC_EdtID, m_EdtID);
	DDX_Control(pDX, IDC_EDTAffirmPsd, m_EdtAffirmPsd);
	DDX_Control(pDX, IDC_BUTUndo, m_ButUndo);
	DDX_Control(pDX, IDC_BUTSave, m_ButSave);
	DDX_Control(pDX, IDC_BUTExit, m_ButExit);
	DDX_Control(pDX, IDC_BUTDele, m_BueDele);
	DDX_Control(pDX, IDC_BUTChange, m_ButChange);
	DDX_Control(pDX, IDC_BUTAdd, m_ButAdd);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDUser, CDialog)
	//{{AFX_MSG_MAP(CDUser)
	ON_LBN_SELCHANGE(IDC_LIST1, OnSelchangeList)
	ON_BN_CLICKED(IDC_BUTAdd, OnBUTAdd)
	ON_BN_CLICKED(IDC_BUTChange, OnBUTChange)
	ON_BN_CLICKED(IDC_BUTDele, OnBUTDele)
	ON_BN_CLICKED(IDC_BUTUndo, OnBUTUndo)
	ON_BN_CLICKED(IDC_BUTSave, OnBUTSave)
	ON_BN_CLICKED(IDC_BUTExit, OnBUTExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDUser message handlers

void CDUser::OnOK() 
{
	// TODO: Add extra validation here
	
	//CDialog::OnOK();
}

BOOL CDUser::OnInitDialog() 
{
	CDialog::OnInitDialog();
	rst.CreateInstance((__uuidof(Recordset)));
	rst=cnn->Execute(L"用户信息表",NULL,adCmdTable);
	if(theApp.GetRecordCount(rst)>0)
	{
		m_List.SetRecordset(rst,"用户名");	
	}
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDUser::Display(CString sFieldvalue)
{
	if(sFieldvalue.IsEmpty())
		return;
	CString sSQL,sID,sPassWard;
	_RecordsetPtr DispRst;
	DispRst.CreateInstance(__uuidof(Recordset));
	sSQL.Format("SELECT * FROM 用户信息表 WHERE 用户名='%s'",sFieldvalue);
	DispRst=cnn->Execute((_bstr_t)sSQL,NULL,adCmdText);
	if(theApp.GetRecordCount(DispRst)>0)
	{
		DispRst->MoveFirst();
		sID=((char*)(_bstr_t)DispRst->GetCollect("编号"));
		_variant_t psd=DispRst->GetCollect("密码");
		if(psd.vt==VT_EMPTY)
			sPassWard="";
		else
			sPassWard=(char*)(_bstr_t)psd;	
	}
	m_EdtID.SetWindowText(sID);
	m_EdtName.SetWindowText(sFieldvalue);
	m_EdtPassWard.SetWindowText(sPassWard);
	m_EdtAffirmPsd.SetWindowText(sPassWard);
}

void CDUser::OnSelchangeList() 
{
	CString sName;
	m_List.GetText(m_List.GetCurSel(),sName);
	this->Display(sName);	
}

void CDUser::Enabled(bool bEnabled)
{
	m_List.EnableWindow(!bEnabled);
	m_EdtPassWard.EnableWindow(bEnabled);
	m_EdtName.EnableWindow(bEnabled);
	m_EdtAffirmPsd.EnableWindow(bEnabled);
	m_ButUndo.EnableWindow(bEnabled);
	m_ButSave.EnableWindow(bEnabled);
	m_ButExit.EnableWindow(!bEnabled);
	m_BueDele.EnableWindow(!bEnabled);
	m_ButChange.EnableWindow(!bEnabled);
	m_ButAdd.EnableWindow(!bEnabled);	
}

void CDUser::ClearFrom()
{
	m_EdtID.SetWindowText("");
	m_EdtPassWard.SetWindowText("");
	m_EdtName.SetWindowText("");
	m_EdtAffirmPsd.SetWindowText("");
}

void CDUser::OnBUTAdd() 
{
	CString sNewID;
	this->ClearFrom();
	int nNewID=theApp.AutoNumber(0,"用户信息表");
	sNewID.Format("%d",nNewID);
	m_EdtID.SetWindowText(sNewID);
	this->Enabled(true);
	this->m_EdtName.SetFocus();
	this->AddOrChange=true; 
}

void CDUser::OnBUTChange() 
{
	this->Enabled(true);
	this->m_EdtName.SetFocus();
	this->AddOrChange=false; 
	
}

void CDUser::OnBUTDele() 
{
	CString ID,sSQL;
	this->m_EdtID.GetWindowText(ID);
	if(ID.IsEmpty()==false)
	{
		int a=MessageBox("确定要删除此条记录吗？","系统提示",MB_OKCANCEL|MB_ICONQUESTION);
		if (a==1)
		{
			CString sSQL;
			sSQL.Format("DELETE FROM 用户信息表 WHERE 编号=%s",ID);
			try{
			cnn->Execute((_bstr_t)sSQL,NULL,adCmdText);
			}
			catch(...)
			{
				MessageBox("删除记录失败！","系统提示",MB_OK|MB_ICONSTOP);
				return;
			}
			this->Enabled(false);
			this->ClearFrom();
			this->m_List.UpDating();
		}
	}
	else
	{
		MessageBox("请选择一条记录！","系统提示",MB_OK|MB_ICONSTOP);
	}
	
}

void CDUser::OnBUTUndo() 
{
	CString sName;
	this->ClearFrom();
	if(sName.IsEmpty())
		goto end;
	m_List.GetText(m_List.GetCurSel(),sName);
	this->Display(sName);
end:	this->Enabled(false);
}

void CDUser::OnBUTSave() 
{
	int a=MessageBox("确定保存记录吗?","系统提示",MB_ICONQUESTION|MB_OKCANCEL);
	if(a==1)
	{
		CString sSQL,sID,sName,sPassWard,sAffirmPsd;
		m_EdtID.GetWindowText(sID);
		m_EdtName.GetWindowText(sName);
		m_EdtPassWard.GetWindowText(sPassWard);
		m_EdtAffirmPsd.GetWindowText(sAffirmPsd);
		if(sPassWard!=sAffirmPsd)
		{
			MessageBox("两次输入的密码不一致！","系统提示",MB_OK|MB_ICONSTOP);
			m_EdtAffirmPsd.SetWindowText("");
			m_EdtAffirmPsd.SetFocus();
			return;
		}
		if(sName.IsEmpty())
		{
			MessageBox("用户名不允许为空！","系统提示",MB_OK|MB_ICONSTOP);
			m_EdtName.SetFocus();
			return;
		}
		if(this->AddOrChange==true)// 如果执行添加操作	
			sSQL.Format("Insert Into 用户信息表 values (%s,'%s','%s')",sID,sName,sPassWard);
		else
			sSQL.Format("UPDATE 用户信息表 SET 用户名='%s',密码='%s'WHERE 编号=%s",sName,sPassWard,sID);
		cnn->Execute((_bstr_t)sSQL,NULL,adCmdText);
		this->Enabled(false);
		this->m_List.UpDating();
		this->OnCancel();
	}
	
}

void CDUser::OnBUTExit() 
{
	this->OnCancel();	
}