jiaoyi.cpp

零件交易系统 零件交易中心管理系统主要提供顾客和供应商之间完成零件交易的功能

// JIaoYi.cpp : implementation file
//

#include "stdafx.h"
#include "Toolmangne.h"
#include "JIaoYi.h"

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

/////////////////////////////////////////////////////////////////////////////
// CJIaoYi dialog
extern CToolmangneApp theApp;
SetStyle(CListCtrl * plist)
{
	DWORD dwsty = GetWindowLong(plist->m_hWnd,GWL_STYLE);
	dwsty &=~(LVS_TYPEMASK);
	dwsty &=~(LVS_EDITLABELS);

	SetWindowLong(plist->m_hWnd,GWL_STYLE,dwsty|LVS_REPORT|LVS_NOLABELWRAP|LVS_SHOWSELALWAYS);
	
	DWORD sys = LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES;
	ListView_SetExtendedListViewStyleEx(plist->m_hWnd,sys,sys);
}
CJIaoYi::CJIaoYi(CWnd* pParent /*=NULL*/)
	: CDialog(CJIaoYi::IDD, pParent)
{
	//{{AFX_DATA_INIT(CJIaoYi)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CJIaoYi::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CJIaoYi)
	DDX_Control(pDX, IDC_LIST1, m_deal);
	//}}AFX_DATA_MAP
	init();
}


BEGIN_MESSAGE_MAP(CJIaoYi, CDialog)
	//{{AFX_MSG_MAP(CJIaoYi)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CJIaoYi message handlers

void CJIaoYi::init()
{
	m_deal.InsertColumn(0,_T("交易零件号"),LVCFMT_LEFT,0); //插入列
    m_deal.InsertColumn(1,_T("价格"),LVCFMT_LEFT,0);
    m_deal.InsertColumn(2,_T("数量"),LVCFMT_LEFT,0);
    m_deal.InsertColumn(3,_T("求购人ID"),LVCFMT_LEFT,0);
	m_deal.InsertColumn(4,_T("购应人ID"),LVCFMT_LEFT,0);

	CRect rect4;
	m_deal.GetClientRect(rect4); //获得当前客户区信息
	m_deal.SetColumnWidth(0,rect4.Width()/5); //设置列的宽度。
	m_deal.SetColumnWidth(1,rect4.Width()/5);
	m_deal.SetColumnWidth(2,rect4.Width()/5);
	m_deal.SetColumnWidth(3,rect4.Width()/5);
	m_deal.SetColumnWidth(4,rect4.Width()/5);
	SetStyle(&m_deal);
}

void CJIaoYi::OnOK() 
{
	 CString sql = "select * from Business";
     //CString sql = "UPDATE  Provider Set PassWord ='"+m_pass+"',Address='"+m_addr+"',Tel='"+m_tell+"',Intro='"+m_info+"' WHERE  ID="+UserId;
	 
	 _RecordsetPtr	m_pRecordset;
	 m_pRecordset.CreateInstance(__uuidof(Recordset));
	 _variant_t RecordsAffected;
	 try
	 {
		 m_pRecordset->Open(_variant_t(sql),                // 查询DemoTable表中所有字段
			 theApp.m_pConnection.GetInterfacePtr(),	  // 获取库接库的IDispatch指针
			 adOpenDynamic,
			 adLockOptimistic,
			 adCmdText);
		 _variant_t var;
		 if(!m_pRecordset->BOF)
			 m_pRecordset->MoveFirst();
		 else
		 {
			 AfxMessageBox("没有交易信息");
			 return ;
		 }			
		 // 读入库中各字段并加入列表框中
		 CString tmp[5];
		 while(!m_pRecordset->adoEOF)
		 {
			 var = m_pRecordset->GetCollect("CustomerID");
			 if(var.vt != VT_NULL)
				 tmp[0] = (LPCSTR)_bstr_t(var);
			 var = m_pRecordset->GetCollect("ProviderID");
			 if(var.vt != VT_NULL)
				 tmp[4] = (LPCSTR)_bstr_t(var);
			 var = m_pRecordset->GetCollect("PartID");
			 if(var.vt != VT_NULL)
				 tmp[1] = (LPCSTR)_bstr_t(var);
			 var = m_pRecordset->GetCollect("Price");
			 if(var.vt != VT_NULL)
				 tmp[2] = (LPCSTR)_bstr_t(var);
			 var = m_pRecordset->GetCollect("Quantity");
			 if(var.vt != VT_NULL)
				 tmp[3] = (LPCSTR)_bstr_t(var);
			 adddata(tmp[1],tmp[2],tmp[3],tmp[0],tmp[4]);
			 m_pRecordset->MoveNext();
		 }
	 }
	 catch(...)
	 {
		 AfxMessageBox("查询失败");
		 return ;
	 }   	

}

void CJIaoYi::adddata(CString id, CString price, CString num, CString cusid, CString supply)
{
    LV_ITEM lvitem;
	lvitem.pszText=_T("");
	lvitem.mask=LVIF_TEXT;
	lvitem.iSubItem=0;
	lvitem.iItem=0;
	m_deal.InsertItem(&lvitem);
	m_deal.SetItemText(0,0,id);
	m_deal.SetItemText(0,1,price);
	m_deal.SetItemText(0,2,num);
	m_deal.SetItemText(0,3,cusid);
	m_deal.SetItemText(0,4,supply);
}