用MFC寫簡單的音樂播放器

1、 MFCClassWizard?XDescription：圖12為ActiveMovieControl控件設(shè)置變量m_ActiveMovie6、為程序添加消息處理函數(shù)。打開ClassWizard,為各個按鈕加入消息處理函數(shù)。在MediaPlayerDlg.cpp文件里為各消息處理函數(shù)添加代碼，部分代碼如下：打開文件：voidCMediaPlayerDlg:OnOpen()/TODO:Addyourcontrolnotificationhandlercodeherem_listCtrl.SetFocus();CStringstr;TCHARszFilter口=_T(Mp3File(*.mp3)|

2、*.mp3WmaFile(*.wma)|*.wma|VideoFile(*.dat)|*.dat|WaveFile(*.wav)|*.wav|AVIFile(*.avi)|*.avi|MovieFile(*.mov)|*.mov|MediaFile(*.mmm)|*.mmm|MidFile(*.mid;*,rmi)|*.mid;*.rmi|MPEGFile(*.mpeg)|*.mpeg|AllFile(*.*)|*.*|);CFileDialogfileDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,szFilter,this);

3、CStringstrFilePath;if(IDOK=fileDlg.DoModal()strFilePath=fileDlg.GetPathName();strFilePath.MakeUpper();m_player.SetUrl(strFilePath);m_media=static_cast(m_player.newMedia(strFilePath);m_list.appendItem(m_media);m_listCtrl.InsertItem(count,m_media.GetName();m_listCtrl.SetItemText(count,1,_T(m_media.get

4、ItemInfo(FileType);m_listCtrl.SetItemText(count,2,_T(m_media.GetDurationString();m_listCtrl.SetItemText(count,3,_T(strFilePath);m_listCtrl.SetItemText(count+,4,_T(m_media.getItemInfo(Duration);POSITIONpos;pos=m_listCtrl.GetFirstSelectedItemPosition();IndexInFieldList=m_listCtrl.GetNextSelectedItem(p

5、os);m_listCtrl.SetItemState(IndexInFieldList,LVIS_SELECTED,LVIS_SELECTED);m_player.SetUrl(m_listCtrl.GetItemText(0,3);m_listCtrl.SetItemState(0,LVIS_SELECTED,LVIS_SELECTED);播放：voidCMediaPlayerDlg:OnPlay()/TODO:Addyourcontrolnotificationhandlercodehereif(m_list.GetCount()=0)MessageBox(列表無文件！,Warning,

6、MB_OK);KillTimer(0);m_control.play();if(m_control.GetCurrentPosition()=0)m_control.SetCurrentPosition(0.01);SetTimer(0,20,NULL);暫停：voidCMediaPlayerDlg:OnPause()/TODO:Addyourcontrolnotificationhandlercodeherem_control.pause();停止：voidCMediaPlayerDlg:OnStop()/TODO:Addyourcontrolnotificationhandlercodeh

7、ereKillTimer(0);m_control.stop();全屏:voidCMediaPlayerDlg:OnFullscreen()/TODO:Addyourcontrolnotificationhandlercodehereif(!m_player.GetFullScreen()m_control.pause();人*乂65528680*(請雙擊退出全屏模式！)；m_player.SetFullScreen(true);m_control.play();退出：voidCMediaPlayerDlg:OnExit()/TODO:Addyourcontrolnotificationhan

8、dlercodehereSendMessage(WM_CLOSE);上一曲：voidCMediaPlayerDlg:OnLast()/TODO:Addyourcontrolnotificationhandlercodeherem_listCtrl.SetFocus();POSITIONpos;CStringstrName;UINTflag1=LVIS_SELECTED|LVIS_FOCUSED;pos=m_listCtrl.GetFirstSelectedItemPosition();IndexInFieldList=m_listCtrl.GetNextSelectedItem(pos);if

9、(IndexInFieldList=-1)AfxMessageBox(列表內(nèi)沒有被選中項！)；return;if(IndexInFieldList=0)AfxMessageBox(已經(jīng)至1了列表頭部！);m_listCtrl.SetItemState(IndexInFieldList,flag1,flag1);return;m_listCtrl.SetItemState(IndexInFieldList,LVIS_SELECTED,LVIS_SELECTED);m_listCtrl.SetItemState(IndexInFieldList-1,flag1,flag1);strName=m_l

10、istCtrl.GetItemText(IndexInFieldList-1,3);KillTimer(0);m_control.stop();m_player.SetUrl(strName);m_control.SetCurrentPosition(0.01);m_control.play();SetTimer(0,20,NULL);下一曲：voidCMediaPlayerDlg:OnNext()/TODO:Addyourcontrolnotificationhandlercodeherem_listCtrl.SetFocus();POSITIONpos;CStringstrName;UIN

11、Tflag1=LVIS_SELECTED|LVIS_FOCUSED;pos=m_listCtrl.GetFirstSelectedItemPosition();IndexInFieldList=m_listCtrl.GetNextSelectedItem(pos);if(IndexInFieldList=-1)AfxMessageBox(列表內(nèi)沒有被選中項！)；return;if(IndexInFieldList=m_listCtrl.GetItemCount()-1)AfxMessageBox(已經(jīng)至1了列表末尾！);m_listCtrl.SetItemState(IndexInFieldL

12、ist,flag1,flag1);return;m_listCtrl.SetItemState(IndexInFieldList,LVIS_SELECTED,LVIS_SELECTED);m_listCtrl.SetItemState(IndexInFieldList+1,flag1,flag1);strName=m_listCtrl.GetItemText(IndexInFieldList+1,3);KillTimer(0);m_control.stop();m_player.SetUrl(strName);m_control.SetCurrentPosition(0.01);m_contr

13、ol.play();SetTimer(0,20,NULL);快進：voidCMediaPlayerDlg:OnForward()/TODO:Addyourcontrolnotificationhandlercodeheredoublet=m_control.GetCurrentPosition();m_control.SetCurrentPosition(t=t+10);快退：voidCMediaPlayerDlg:OnReverse()/TODO:Addyourcontrolnotificationhandlercodeheredoublet=m_control.GetCurrentPosi

14、tion();m_control.SetCurrentPosition(t=t-10);靜音：voidCMediaPlayerDlg:OnSilence()/TODO:Addyourcontrolnotificationhandlercodehereif(!m_setting.GetMute()m_setting.SetMute(true);elsem_setting.SetMute(false);音量加減：voidCMediaPlayerDlg:OnAdd()/TODO:Addyourcontrolnotificationhandlercodeherem_setting.SetVolume(

15、m_setting.GetVolume()+10);m_VOLUME.SetPos(m_setting.GetVolume();voidCMediaPlayerDlg:OnSub()/TODO:AddyourcontrolnotificationhandlercodehereintVolume=m_setting.GetVolume();m_setting.SetVolume(Volume=Volume-10);m_VOLUME.SetPos(m_setting.GetVolume();列表：voidCMediaPlayerDlg:OnClickList1(NMHDR*pNMHDR,LRESU

16、LT*pResult)/TODO:AddyourcontrolnotificationhandlercodehereLPNMITEMACTIVATEpNMItemActivatereinterpret_cast(pNMHDR);/TODO:AddyourcontrolnotificationhandlercodehereNMLISTVIEW*pNMListView=(NMLISTVIEW*)pNMHDR;*pResult=0;CStringstrName;if(-1!=pNMListView-iItem)strName=m_listCtrl.GetItemText(pNMListView-iI

17、tem,3);KillTimer(0);m_control.stop();m_player.SetUrl(strName);m_control.SetCurrentPosition(0.01);m_control.play();SetTimer(0,20,NULL);另外函數(shù)OnTimer()是通過ClassWizard(Ctrl+W)來添加的：圖13voidCVedioPlayerDlg:OnTimer(UINTnIDEvent)doubleCurrentPos=m_ActiveMovie.GetCurrentPosition();if(CurrentPos=0&isRepeat)/汝口果當(dāng)

18、前是文件的起始位置而且為重復(fù)播放狀態(tài)m_ActiveMovie.Run();CDialog:OnTimer(nlDEvent);實驗展示:00:1104:29MediaPlayer班欣模式MWSsi順序推放00:1104:29MediaPlayer班欣模式MWSsi順序推放rfgwgiik上一a|下一曲上迸|快也|播諭控制I打開文件I典I曾唯I停止I.全屏一I退出I圻Im第-I-,d-dr岸音格式時點七次V3CM；騫fiAli如果.gzl;21DS叫04:mm3333nrKFmMP心得體會：通過這次多媒體播放器的設(shè)計，讓我切身的感受到了計算機技術(shù)在多媒體中的應(yīng)用是多么的廣泛。同時，這也是理論知識的第一次實現(xiàn)，學(xué)習(xí)了兩年的計算機知識，第一次真正的實現(xiàn)了一個小程序。雖然這個播放器可用性實在不佳，盡管能實現(xiàn)一些基本功能，但是在程序結(jié)構(gòu)上還有很大方面的優(yōu)化空間，但這次利用VisualC+編寫出的多媒體播放器讓我很有成就感，雖然很多都是老師一步步教我們怎么去做的，三十當(dāng)真正的把程序編寫出來的時候就別提有多興奮了。在工作和生活中多媒體技術(shù)和我們息息相關(guān)，在計算機技術(shù)不斷普及的今天，對于我們來說，掌握多媒體技術(shù)是非常重要的，這也是我們以后要