Go语言视频零基础入门到精通

admin · 发表于 2018-6-27 10:30:18

音乐播放器源代码

/******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 About
class 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_MSG
DECLARE_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 dialog
CMusicPlayerDlg::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 Win32
m_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 handlers
BOOL 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 dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return 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 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 CMusicPlayerDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CMusicPlayerDlg::OnBtnOpen()
{
// TODO: Add your control notification handler code here
CFileDialog 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 here
MCI_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 here
CString 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 here
SetDlgItemText(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 here
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}

复制代码

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_FILEstatic 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_MSG ON_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 _AFXDLL Enable3dControls(); // Call this when using MFC in a shared DLL#else Enable3dControlsStatic(); // Call this when linking to MFC statically#endif CMusicPlayerDlg 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;}

复制代码

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

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[默认分类] MFC简易音乐播放器