Win32 Sdk 连接Access数据库

/*************************************************************
***                MyWinClass.cpp    创建窗口模板
***
**************************************************************/


#import "c://program files//common files//system//ado//msado15.dll" no_namespace rename("EOF","adoEOF")   //导入ADO库

#include <Windows.h>
#include <tchar.h>

#include <comutil.h>
#include <commctrl.h>
#include "resource.h"
// 必须要进行前导声明
INT_PTR CALLBACK WindowProc(_In_  HWND hwnd, _In_  UINT uMsg, _In_  WPARAM wParam, _In_  LPARAM lParam);
void LoadDataToListCtrl(HWND hDlg);


// 程序入口点
int WINAPI WinMain(
    _In_  HINSTANCE hInstance,
    _In_  HINSTANCE hPrevInstance,
    _In_  LPSTR lpCmdLine,
    _In_  int nCmdShow
)
{
    

    // 创建窗口
    HWND hwnd = CreateDialog(hInstance, (LPCTSTR)IDD_DIALOG1, NULL, WindowProc);

    if (hwnd == NULL)        //检查窗口是否创建成功,回调函数要返回个0,不然创建不会成功
        return 0;

    // 显示窗口
    ShowWindow(hwnd, SW_SHOW);

    // 更新窗口
    UpdateWindow(hwnd);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return 0;
}

// 在WinMain后实现
INT_PTR CALLBACK WindowProc(
    _In_  HWND hwnd,
    _In_  UINT uMsg,
    _In_  WPARAM wParam,
    _In_  LPARAM lParam)
{

    HDC hdc;
    RECT rect;
    PAINTSTRUCT ps;
    //int k;
    switch (uMsg)
    {
        /*case WM_SYSCOMMAND:
            break;*/
    case WM_INITDIALOG:
    {
        LoadDataToListCtrl(hwnd);
        return 0;
    }

    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;

    case WM_CLOSE:
        if (MessageBox(hwnd, L"请问是否真的要关闭窗口?", L"窗口关闭询问", MB_YESNO) == IDYES)
        {
            DestroyWindow(hwnd);
            return 0;
        }            
        else
            return 0;

    case WM_LBUTTONDOWN:
    {
        //MessageBox(hwnd, L"哎呀,我丫的被按了一下", TEXT("好舒服~"), MB_OK);
        

        return 0;
    }
    case WM_PAINT:
        hdc = BeginPaint(hwnd, &ps);
        GetClientRect(hwnd, &rect);
        DrawText(hdc, L"Hello world!", -1, &rect,
            DT_SINGLELINE | DT_CENTER | DT_VCENTER);
        EndPaint(hwnd, &ps);
        return 0;

    }
    return false;
}

//加载数据库数据到ListCtrl控件中
void LoadDataToListCtrl(HWND hDlg)
{
　　//查询数据库文件是否存在
    LPCTSTR   DatabaseFile = L"D:\\MyAccessFile\\myTonxilu.accdb";
    WIN32_FIND_DATA wfd;
    HANDLE hFile = FindFirstFile(DatabaseFile, &wfd);
    if (hFile == INVALID_HANDLE_VALUE)
    {
        wprintf_s(L"Cannot   Find   the   database   file/n");//这名是啥意思,我也不知道,俺是抄的(:
        //system("pause");
        return;
    }
　　
　　//初始化ADO环境
    CoInitialize(NULL);
　
　　//创建数据库连接对像,并打开
    _ConnectionPtr m_Connection;
    m_Connection.CreateInstance(__uuidof(Connection));
    HRESULT hr = m_Connection->Open(_bstr_t("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\\MyAccessFile\\myTonxilu.accdb"),
        _bstr_t(""),
        _bstr_t(""),
        adModeUnknown);
    if (hr != S_OK)
        return;

    //连接记录集
    _RecordsetPtr m_Recordset;
    m_Recordset.CreateInstance(__uuidof(Recordset));
    HRESULT hRs = m_Recordset->Open(_variant_t(L"select * from mTable"), m_Connection.GetInterfacePtr(),
        adOpenDynamic,
        adLockOptimistic,
        adCmdText);
    if (hRs != S_OK)
        return;

   　//获得ListCtrl控件的句柄
    HWND hList = GetDlgItem(hDlg, IDC_LIST1);

    //设置风格样式
    SendMessage(hList, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_GRIDLINES | LVS_EX_FULLROWSELECT);
    RECT rt;
    ::GetClientRect(hList, &rt);
    int nListWith = rt.right - 20;　　//获得控件的宽度

    //插入列标题

    LVCOLUMN col = { 0 };
    col.mask = LVCF_TEXT | LVCF_FMT | LVCF_WIDTH;
    col.pszText = (LPTSTR)L"编号";
    col.fmt = LVCFMT_LEFT;    // 列文字排列样式,居左,中,右
    col.cx = (int)(0.2*nListWith);// 列的宽度
    col.iSubItem = 0;
    SendMessage(hList, LVM_INSERTCOLUMN, 0, (LPARAM)&col);

    col.iSubItem = 1;
    col.pszText = (LPTSTR)L"姓名";
    col.cx = (int)(0.2*nListWith);
    SendMessage(hList, LVM_INSERTCOLUMN, 1, (LPARAM)&col);

    col.iSubItem = 2;
    col.pszText = (LPTSTR)L"性别";
    col.cx = (int)(0.15*nListWith);
    SendMessage(hList, LVM_INSERTCOLUMN, 2, (LPARAM)&col);

    //循环加入行数据

 　　int i = 0;

    while (!m_Recordset->adoEOF)
　　{
        LVITEM lv = { 0 };
        lv.mask = LVCF_TEXT | LVCF_FM ;
        lv.iItem = i;

        lv.iSubItem = 0;

        TCHAR str[256];
        _stprintf_s(str, L"%s", (LPCTSTR)_bstr_t(m_Recordset->GetCollect(_T("ID"))));
        lv.pszText = str;
        SendMessage(hList, LVM_INSERTITEM, i, (LPARAM)&lv);

        lv.iSubItem = 1;
        _stprintf_s(str, L"%s", (LPCTSTR)_bstr_t(m_Recordset->GetCollect(_T("mName"))));
        lv.pszText = str;
        SendMessage(hList, LVM_SETITEMTEXT, i, (LPARAM)&lv);

        lv.iSubItem = 2;
        _stprintf_s(str, L"%s", (LPCTSTR)_bstr_t(m_Recordset->GetCollect(_T("mSex"))));
        lv.pszText = str;
        SendMessage(hList, LVM_SETITEMTEXT, i, (LPARAM)&lv);

        m_Recordset->MoveNext();
        i++;
    }
　　//关闭记录集并释放资源
    m_Recordset->Close();
    m_Recordset.Release();
    m_Recordset = NULL;
　　
　　
　　//关闭数据库连接并释放资源
    m_Connection->Close();
    m_Connection.Release();
    m_Connection = NULL;
　　

　　//释放环境
    CoUninitialize();
}

标签：Access,return,Recordset,hwnd,Win32,hList,lv,col,Sdk
来源： https://www.cnblogs.com/greenleaf1976/p/12913603.html