前些时在网上看了可以自动登陆QQ的程序后，自己也写了个，纯粹是为了熟悉一下这些知识。

代码如下：

程序代码：

// MyToolDlg.h : header file
//

#if !defined(AFX_MYTOOLDLG_H__DE821896_C3DB_4441_8D10_5E707B35EA37__INCLUDED_)
#define AFX_MYTOOLDLG_H__DE821896_C3DB_4441_8D10_5E707B35EA37__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
/////////////////////////////////////////////////////////////////////////////
// CMyToolDlg dialog
#include \"vector\"
using namespace std;
struct LogIn
{
    int index;        //索引
    char *QQUser;    //QQ号码
    char *QQPass;    //QQ密码
    char *QQName;    //QQ昵称
};
class CMyToolDlg : public CDialog
{
// Construction
public:
    HWND MyFindWindow(LPCTSTR lpClassName, LPCTSTR lpWindowName,HANDLE hProcess);
    BOOL CustomFindFile();
    void PushLogInButton(CWnd* pWnd,UINT ButtonID);
    void InputQQPassword(CWnd* pWnd,LogIn li);
    void InputQQNumber(CWnd* pWnd,LogIn li);
    void InitUserInfo();
    BOOL MyCreateProcess(LPPROCESS_INFORMATION lpPrcInfo);
    CMyToolDlg(CWnd* pParent = NULL);    // standard constructor
// Dialog Data
    //{{AFX_DATA(CMyToolDlg)
    enum { IDD = IDD_MYTOOL_DIALOG };
    int        m_nIndex;
    //}}AFX_DATA
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CMyToolDlg)
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    //}}AFX_VIRTUAL
// Implementation
protected:
    HICON m_hIcon;
    CString m_szFile;
    vector<LogIn> m_vecLi;
    CBrush m_brush;
    CBitmap m_bmp;
    LPSTR m_lpWarnStr;
    LPSTR m_lpMsgBoxName;
    PROCESS_INFORMATION m_prcInfo;
    // Generated message map functions
    //{{AFX_MSG(CMyToolDlg)
    virtual BOOL OnInitDialog();
    afx_msg void OnPaint();
    afx_msg HCURSOR OnQueryDragIcon();
    afx_msg void OnQq();
    afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);
    afx_msg void OnQqgame();
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_MYTOOLDLG_H__DE821896_C3DB_4441_8D10_5E707B35EA37__INCLUDED_)

程序代码：

// MyToolDlg.cpp : implementation file
//

#include \"stdafx.h\"
#include \"MyTool.h\"
#include \"MyToolDlg.h\"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CMyToolDlg dialog
CMyToolDlg::CMyToolDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CMyToolDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CMyToolDlg)
    m_nIndex = 0;
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
//    m_brush.CreateSolidBrush(RGB(255,255,255));
    m_bmp.LoadBitmap(IDB_BITMAP);
    m_brush.CreatePatternBrush(&m_bmp);
    m_lpMsgBoxName=\"指定文件路径\";
    
}

void CMyToolDlg::InitUserInfo()
{
    LogIn LI[3]=
    {
        0,    \"123\",    \"123\",        \"拾樓桦^@^oо\",
        1,    \"123\",    \"123\",        \"?(りベ動了\",
        2,    \"123\",    \"123\",        \"C++之旅\"
    };
    
    CComboBox*pComb=(CComboBox*)GetDlgItem(IDC_CCOM_QQNO);
    ASSERT(pComb);
    pComb->DeleteString(0);
    int num=sizeof(LI)/sizeof(LogIn);
    for (int i=0;i<num;i++)
    {
        m_vecLi.push_back(LI[i]);
        pComb->AddString(LI[i].QQName);
    }
}

void CMyToolDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CMyToolDlg)
    DDX_CBIndex(pDX, IDC_CCOM_QQNO, m_nIndex);
    //}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMyToolDlg, CDialog)
    //{{AFX_MSG_MAP(CMyToolDlg)
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(ID_QQ, OnQq)
    ON_WM_CTLCOLOR()
    ON_BN_CLICKED(ID_QQGAME, OnQqgame)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyToolDlg message handlers
BOOL CMyToolDlg::OnInitDialog()
{
    CDialog::OnInitDialog();
    // 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
    InitUserInfo();    
    UpdateData(FALSE);
    
    return TRUE;  // return TRUE  unless you set the focus to a control
}
// 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 CMyToolDlg::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 CMyToolDlg::OnQueryDragIcon()
{
    return (HCURSOR) m_hIcon;
}

HBRUSH CMyToolDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
    HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
    
    // TODO: Change any attributes of the DC here
    pDC->SetBkMode(TRANSPARENT);
    hbr=m_brush;
    
    // TODO: Return a different brush if the default is not desired
    return hbr;
}

BOOL CMyToolDlg::MyCreateProcess(LPPROCESS_INFORMATION lpPrcInfo)
{
//--Method one--//
    STARTUPINFO si;
    memset(lpPrcInfo,sizeof(PROCESS_INFORMATION),0);
    memset(&si, sizeof(si),0);
    si.cb = sizeof(si);
    si.lpReserved = NULL;
    si.lpDesktop = NULL;
    si.lpTitle = NULL;
    si.cbReserved2=0;
    si.lpReserved2 = NULL;
    si.dwFlags = STARTF_FORCEOFFFEEDBACK;
    si.dwX = 100;
    si.dwY = 100;
    si.dwXSize = 320;
    si.dwYSize = 240;
    return CreateProcess(m_szFile,NULL,NULL, NULL, NULL,0,NULL,NULL,&si,lpPrcInfo);
//--Method two--//
/*    CString path=\"C:\\Program Files\\Tencent\\QQ\\\";
    ShellExecute(NULL,\"open\",_T(\"QQ.exe\"), NULL,path,SW_SHOW);*/
}

void CMyToolDlg::InputQQNumber(CWnd *pWnd,LogIn li)
{
    ASSERT(pWnd);
    CComboBox *pCob = (CComboBox *)pWnd->GetDlgItem(138);
    pCob->SetEditSel(0, -1);
    pCob->Clear();
    int userLen=strlen(li.QQUser);
    char cNo;
    for(int i=0;i<userLen;i++)
    {
        cNo=li.QQUser[i];
        pCob->SendMessage(WM_CHAR, (WPARAM)cNo, 0);
    }
    
}
void CMyToolDlg::InputQQPassword(CWnd *pWnd,LogIn li)
{
    ASSERT(pWnd);
    CWnd *pNextWnd = pWnd->GetNextWindow(GW_CHILD);
    pNextWnd = pNextWnd->GetNextWindow(GW_HWNDNEXT);
    
    for(;pNextWnd!=NULL;pNextWnd=pNextWnd->GetNextWindow(GW_HWNDNEXT))
    {
        if (pNextWnd)
        {
            CEdit* pPwd=(CEdit*)pNextWnd->GetDlgItem(16038);
            if (pPwd)
            {
                pPwd->SetSel(0, -1);
                pPwd->Clear();
                
                int passLen=strlen(li.QQPass);
                char cKey;
                for(int i=0;i<passLen;i++)
                {
                    cKey=li.QQPass[i];
                    pPwd->SendMessage(WM_CHAR, (WPARAM)cKey,0);
                }
                break;
            }
        }
    }
}
void CMyToolDlg::PushLogInButton(CWnd *pWnd,UINT ButtonID)
{
    ASSERT(pWnd);
    CButton *pBtnLogin = (CButton *)pWnd->GetDlgItem(ButtonID);
    if (pBtnLogin)
    {
        pBtnLogin->PostMessage(WM_LBUTTONDOWN, 0, 0);
        pBtnLogin->PostMessage(WM_LBUTTONUP, 0, 0);
    }
}
void CMyToolDlg::OnQq() 
{
    // TODO: Add your control notification handler code here
    UpdateData(TRUE);
    CWnd*pWnd=NULL;
    m_szFile=CString(\"C:\\Program Files\\Tencent\\QQ\\CoralQQ.exe\");
    m_lpWarnStr=\"没有找到该执行文件!\n要自己指定可执行文件路径请按 ‘是’，退出请按 ‘否’\";
    
    HWND hwnd=::FindWindow(_T(\"#32770\"),_T(\"QQ用户登录\"));    
    while(!hwnd)
    {
        BOOL found=FALSE;
        while(!found)
        {
            if(found=MyCreateProcess(&m_prcInfo))
                break;
            if(!CustomFindFile())
                goto loop;        //结束并退出程序
        }
        hwnd=MyFindWindow(_T(\"#32770\"),_T(\"QQ用户登录\"),m_prcInfo.hProcess);
        if (hwnd)
            ShowWindow(SW_HIDE);
    }    
    pWnd=CWnd::FromHandle(hwnd);
    //    HIDE QQ_LOGIN FORM 
    pWnd->ShowWindow(SW_HIDE);
    pWnd->MoveWindow(CRect(0,0,0,0));
    
    ASSERT(pWnd);        
    InputQQNumber(pWnd,m_vecLi[m_nIndex]);        
    InputQQPassword(pWnd,m_vecLi[m_nIndex]);
    PushLogInButton(pWnd,16032);
    
    hwnd=NULL;
    while(1)
    {
        static int i=0;
        hwnd=::FindWindow(_T(\"#32770\"),_T(\"请选择上网环境\"));
        if(hwnd)
        {
            pWnd=CWnd::FromHandle(hwnd);
            pWnd->MoveWindow(CRect(0,0,0,0));
            PushLogInButton(pWnd,1);
            break;
        }
        if(i==100)break;
        Sleep(1);
        i++;
    }
    
loop:
    OnOK();
}
void CMyToolDlg::OnQqgame() 
{
    // TODO: Add your control notification handler code here

}
BOOL CMyToolDlg::CustomFindFile()
{
    if(IDNO==MessageBox(m_lpWarnStr,m_lpMsgBoxName,MB_YESNO))
        return FALSE;
    char *szFile=\"可执行文件(*.exe)|*.exe|所有文件(*.*)|*.*||\";
    CFileDialog fileDlg(TRUE,szFile,\"QQ.exe\",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFile,this);
    if (IDCANCEL==fileDlg.DoModal())
        return FALSE;
    m_szFile=fileDlg.GetPathName();
    return TRUE;
}
HWND CMyToolDlg::MyFindWindow(LPCTSTR lpClassName, LPCTSTR lpWindowName,HANDLE hProcess)
{
    HWND hwnd=NULL;
    for(int i=0;!hwnd;i++)
    {
        Sleep(100);
        hwnd=::FindWindow(lpClassName/*_T(\"#32770\"),_T(\"QQ用户登录\")*/,lpWindowName);
        if(i==10)
        {
            m_lpWarnStr=\"指定执行的文件错误，请查询后重新输入新的路径!\n点 ‘是’重新指定路径，点‘否’退出!\";
            m_szFile=\"\";
            TerminateProcess(hProcess,0);
            return 0;
        }    
    }
    return hwnd;
}

[此贴子已经被作者于2006-10-14 19:15:17编辑过]