/******做着玩的，很简易，有打开，播放，暂停，退出等功能，只能播放本地音乐，没有实现联网功能，支持wav格式和MP3。*******/

MusicPlayerDlg.cpp：

// MusicPlayerDlg.cpp : implementation file
//#include "stdafx.h"
#include "MusicPlayer.h"
#include "MusicPlayerDlg.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/
// CAboutDlg dialog used for App Aboutclass 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_MSGDECLARE_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()/
// CMusicPlayerDlg dialogCMusicPlayerDlg::CMusicPlayerDlg(CWnd* pParent /*=NULL*/): CDialog(CMusicPlayerDlg::IDD, pParent)
{//{{AFX_DATA_INIT(CMusicPlayerDlg)m_TextFilePath = _T("");//}}AFX_DATA_INIT// Note that LoadIcon does not require a subsequent DestroyIcon in Win32m_hIcon = AfxGetApp()->LoadIcon(IDI_Music);
}void CMusicPlayerDlg::DoDataExchange(CDataExchange* pDX)
{CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CMusicPlayerDlg)DDX_Text(pDX, IDC_EDIT2, m_TextFilePath);DDV_MaxChars(pDX, m_TextFilePath, 100);//}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CMusicPlayerDlg, CDialog)//{{AFX_MSG_MAP(CMusicPlayerDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_BTN_OPEN, OnBtnOpen)ON_BN_CLICKED(IDC_BTN_PLAY, OnBtnPlay)ON_BN_CLICKED(IDC_BTN_PAUSE, OnBtnPause)ON_BN_CLICKED(IDC_BTN_STOP, OnBtnStop)ON_BN_CLICKED(IDC_BTN_HELP, OnBtnHelp)//}}AFX_MSG_MAP
END_MESSAGE_MAP()/
// CMusicPlayerDlg message handlersBOOL CMusicPlayerDlg::OnInitDialog()
{CDialog::OnInitDialog();// Add "About..." menu item to system menu.PlaySound("C:\\Users\\Administrator\\Desktop\\Audio.wav",NULL,SND_FILENAME|SND_ASYNC|SND_LOOP);// 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 dialogSetIcon(m_hIcon, TRUE);           // Set big iconSetIcon(m_hIcon, FALSE);     // Set small icon// TODO: Add extra initialization herereturn TRUE;  // return TRUE  unless you set the focus to a control
}void CMusicPlayerDlg::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 CMusicPlayerDlg::OnPaint()
{if (IsIconic()){CPaintDC dc(this); // device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);// Center icon in client rectangleint 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 icondc.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 CMusicPlayerDlg::OnQueryDragIcon()
{return (HCURSOR) m_hIcon;
}void CMusicPlayerDlg::OnBtnOpen()
{// TODO: Add your control notification handler code hereCFileDialog dig(TRUE,NULL,NULL,OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST,"mp3文件（*MP3）|*.mp3|wav文件（*wav）|*.wav|所有文件（*.*）|*.*||");if(IDCANCEL==dig.DoModal())return;CString strFilePath=dig.GetPathName();SetDlgItemText(IDC_EDIT2,strFilePath);mciSendCommand(m_IDdevice,MCI_CLOSE,0,0);//打开一首歌曲MCI_OPEN_PARMS mciOpenParms;mciOpenParms.lpstrElementName=strFilePath;//MessageBox(strFilePath);mciSendCommand(NULL,MCI_OPEN,MCI_OPEN_ELEMENT|MCI_WAIT,(DWORD)&mciOpenParms);m_IDdevice=mciOpenParms.wDeviceID;
}void CMusicPlayerDlg::OnBtnPlay()
{// TODO: Add your control notification handler code hereMCI_PLAY_PARMS mciPlayParms;mciPlayParms.dwCallback=NULL;mciPlayParms.dwFrom=0;mciSendCommand(m_IDdevice,MCI_PLAY,MCI_FROM|MCI_NOTIFY,(DWORD)&mciPlayParms);}void CMusicPlayerDlg::OnBtnPause()
{// TODO: Add your control notification handler code hereCString str;GetDlgItemText(IDC_BTN_PAUSE,str);if(str=="暂停"){   mciSendCommand(m_IDdevice, MCI_PAUSE,0,0);SetDlgItemText(IDC_BTN_PAUSE,"继续");}else{mciSendCommand(m_IDdevice, MCI_RESUME,0,0);SetDlgItemText(IDC_BTN_PAUSE,"暂停");}
}void CMusicPlayerDlg::OnBtnStop()
{// TODO: Add your control notification handler code hereSetDlgItemText(IDC_EDIT2,"");mciSendCommand(m_IDdevice,MCI_STOP,0,0);mciSendCommand(m_IDdevice,MCI_CLOSE,0,0);}void CMusicPlayerDlg::OnBtnHelp()
{// TODO: Add your control notification handler code hereCAboutDlg dlgAbout;dlgAbout.DoModal();}

MusicPlayer.cpp：

// MusicPlayer.cpp : Defines the class behaviors for the application.
//#include "stdafx.h"
#include "MusicPlayer.h"
#include "MusicPlayerDlg.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/
// CMusicPlayerAppBEGIN_MESSAGE_MAP(CMusicPlayerApp, CWinApp)//{{AFX_MSG_MAP(CMusicPlayerApp)// NOTE - the ClassWizard will add and remove mapping macros here.//    DO NOT EDIT what you see in these blocks of generated code!//}}AFX_MSGON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()/
// CMusicPlayerApp constructionCMusicPlayerApp::CMusicPlayerApp()
{// TODO: add construction code here,// Place all significant initialization in InitInstance
}/
// The one and only CMusicPlayerApp objectCMusicPlayerApp theApp;/
// CMusicPlayerApp initializationBOOL CMusicPlayerApp::InitInstance()
{AfxEnableControlContainer();// Standard initialization// If you are not using these features and wish to reduce the size//  of your final executable, you should remove from the following//  the specific initialization routines you do not need.#ifdef _AFXDLLEnable3dControls();           // Call this when using MFC in a shared DLL
#elseEnable3dControlsStatic();  // Call this when linking to MFC statically
#endifCMusicPlayerDlg dlg;m_pMainWnd = &dlg;int nResponse = dlg.DoModal();if (nResponse == IDOK){// TODO: Place code here to handle when the dialog is//  dismissed with OK}else if (nResponse == IDCANCEL){// TODO: Place code here to handle when the dialog is//  dismissed with Cancel}// Since the dialog has been closed, return FALSE so that we exit the//  application, rather than start the application's message pump.return FALSE;
}

程序运行截图：

做的很简易，只为了解，学习，记录，共享之用

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2016_12_30