1、*大學(xué)VC+程序設(shè)計(jì)報(bào)告項(xiàng)目名稱：基于MFC的多媒體音頻播放器設(shè)計(jì)學(xué) 院：信息科學(xué)技術(shù)學(xué)院制 作 人：指導(dǎo)教師：2011年12月22日基于MFC的多媒體音頻播放器設(shè)計(jì)摘要雖然這學(xué)期是第一次接觸VC，但因?yàn)橐郧坝羞^對(duì)C語(yǔ)言的學(xué)習(xí)，在以前的基礎(chǔ)上，在老師教導(dǎo)下，通過這一個(gè)學(xué)期的知識(shí)積累和上機(jī)實(shí)驗(yàn)，我對(duì)基本的控件，圖形圖像，窗口和對(duì)話框都有了較為系統(tǒng)的了解。而這次課設(shè)任務(wù)中選做的實(shí)驗(yàn)，體現(xiàn)了以前所學(xué)知識(shí)的運(yùn)用，是真正地把控件，圖形圖像，窗口和對(duì)話框等知識(shí)點(diǎn)結(jié)合起來的日常應(yīng)用程序MP3播放器。 當(dāng)然通過這次課設(shè)，我對(duì)本學(xué)期所學(xué)的知識(shí)再次得到充分鞏固，知識(shí)在實(shí)際運(yùn)用中得以充分地轉(zhuǎn)化一種基本動(dòng)手能力，讓我

2、能夠更進(jìn)一步地學(xué)習(xí)VisualC+6.0的知識(shí)，結(jié)果是我可以理解一些常見的大型程序以及自己動(dòng)手創(chuàng)作出相應(yīng)而基本的程序，而課設(shè)實(shí)驗(yàn)的成功完成無(wú)疑為今后學(xué)習(xí)VC+編程培養(yǎng)了濃厚的興趣，也為今后要從事的編程工作奠定了堅(jiān)實(shí)的基礎(chǔ)。關(guān)鍵詞： VC+6.0、MFC、播放器、MP3、WMAMFC-based Design Of Multimedia Audio PlayerABSTRACTAlthough this semester is the first contact with the VC, but because in the past have had to learn the C langua

3、ge, in the past, based on the teacher teaches, through which a term accumulation of knowledge and hands-on experiments, I have the basic controls, graphics images, windows and dialog boxes have a more systematic understanding. The task of selecting the class set up to do the experiment, reflecting t

4、he use of previous knowledge, is really the controls, graphics, windows and dialog boxes combining the knowledge of the daily point of application - MP3 player. Course set by the class, I learned this semester once again be fully consolidated in the practical application of knowledge to be fully tra

5、nsformed into a basic ability, so I can learn VisualC + +6.0 to further the knowledge, the result is I can understand some of the common large-scale program and yourself to create the appropriate and essential procedures, and course set up the experiment successful completion of doubt for future lea

6、rning VC + + programming to develop a strong interest, but also for the future to engage in the programming work has laid a solid basis. Keywords: VC + +6.0, MFC, player, MP3, WMA1.1 MFC簡(jiǎn)介- 5 -1.2 MCI簡(jiǎn)介- 5 -2 總體設(shè)計(jì)- 6 -2.1 實(shí)現(xiàn)功能- 6 -3、詳細(xì)設(shè)計(jì)- 6 -3.1 界面布局設(shè)計(jì)- 6 -3.2 各模塊功能設(shè)計(jì)- 7 -3.2.1 處理“播放”按鈕- 7 -3.2.3 處理

7、“暫?！卑粹o- 8 -3.2.4 處理“停止”按鈕- 8 -3.2.5 對(duì)話框初始化- 8 -3.2.6關(guān)聯(lián)文件夾- 9 -3.2.7關(guān)聯(lián)文件- 12 -4、總結(jié)- 12 -參考文獻(xiàn)- 13 -1.1 MFC簡(jiǎn)介MFC是Visual C+是核心。MFC類庫(kù)將所有圖形用戶界面的元素如窗口、菜單和按鈕等都以類的形式進(jìn)行了封裝，MFC AppWizard向?qū)Ц鶕?jù)繼承性利用MFC派生出自己的類，并對(duì)Windows應(yīng)用程序進(jìn)行了分解，利用MFC派生類對(duì)應(yīng)用程序重新進(jìn)行組裝，同時(shí)還規(guī)定了應(yīng)用程序中各個(gè)MFC派生類對(duì)象之間的相互聯(lián)系，實(shí)現(xiàn)了標(biāo)準(zhǔn)Windows應(yīng)用程序的功能，這就是向?qū)傻乃^MFC應(yīng)用程序

8、框架。每個(gè)MFC類都包括了一些函數(shù)，函數(shù)放到類中，符合C+編程方法。這些函數(shù)，必須通過類定義對(duì)象才能使用1。1.2 MCI簡(jiǎn)介MCI（Media Control Interface）媒體控制接口是MircroSoft提供的一組多媒體設(shè)備和文件的標(biāo)準(zhǔn)接口，它的好處是可以方便地控制絕大多數(shù)多媒體設(shè)備包括音頻、視頻、影碟、錄像等多媒體設(shè)備，而不需要知道它們的內(nèi)部工作狀況。它所支持的媒體格式包括avi、wav、mpeg等等2。音頻技術(shù)發(fā)展較早，幾年前一些技術(shù)已經(jīng)成熟并產(chǎn)品化，音頻技術(shù)主要包括四個(gè)方面：音頻數(shù)字化、語(yǔ)音處理、語(yǔ)音合成及語(yǔ)音識(shí)別。音頻文件包括多種格式的文件，MP3就是其中的一種。MP3的全

9、稱是Moving Picture Experts Group，Audio Layer ，它所使用的技術(shù)是在VCD(MPEG-1)的音頻壓縮技術(shù)上發(fā)展出的第三代，而不是MPEG-3。MP3是一種音頻壓縮的國(guó)際技術(shù)標(biāo)準(zhǔn)，它一般需要MP3播放器來讀取。2 總體設(shè)計(jì)2.1 實(shí)現(xiàn)功能MP3播放器主要對(duì)常用Windows音頻格式的文件實(shí)現(xiàn)播放控制：播放、暫停、停止、打開目錄、打開文件等操作。 整體布局如下： MP3播放器打開文件播放歌曲暫停播放停止播放打開目錄3、詳細(xì)設(shè)計(jì)3.1 界面布局設(shè)計(jì)(1) 創(chuàng)建一個(gè)對(duì)話框類，類名為media player。(2) 向?qū)υ捒蛑刑砑覩roup Box控件、Static

10、 Text控件以及按鈕控件。(3) 設(shè)置所添加的控件的屬性。系統(tǒng)界面的運(yùn)行結(jié)果圖如圖3-1所示。圖3-1 系統(tǒng)界面運(yùn)行結(jié)果圖Media Player對(duì)話框中所用控件的屬性描述如表3-1所示。表3-1 對(duì)話框控件ID及其描述控件ID描述IDC_BUTTON_tianjiawenjian按鈕控件，添加文件IDC_BUTTON_jianjiawenjianjia按鈕控件,添加文件夾IDC_BUTTON_OK按鈕控件，播放IDC_BUTTON_zanting按鈕控件，單擊它用來暫停歌曲IDC_BUTTON_tingzhi按鈕控件，單擊它用來停止歌曲IDC_BUTTON_guanyu關(guān)于，版權(quán)信息3.2

11、 各模塊功能設(shè)計(jì)3.2.1 處理“播放”按鈕：void CPlaymusicDlg:OnOK() TCHAR cmd_stopMAX_PATH;wsprintf(cmd_stop,"stop %s",shortpathfilename);/停止上一個(gè)mciSendString(cmd_stop,"",NULL,NULL);int index = m_Songs.GetSelectionMark();/獲取標(biāo)號(hào)if (index != -1)CString data = m_Songs.GetItemText(index,0); /歌曲路徑shortpat

12、hfilename=data; /保存路徑 TCHAR cmdMAX_PATH+10;wsprintf(cmd,"play %s",data);mciSendString(cmd,"",NULL,NULL);3.2.3 處理“暫?！卑粹o：void CPlaymusicDlg:OnBUTTONzanting()/暫停mciSendString("pause "+shortpathfilename,0,0,0);3.2.4 處理“停止”按鈕void CPlaymusicDlg:OnBUTTONtingzhi()/停止mciSendStri

13、ng("stop "+shortpathfilename,0,0,0);3.2.5 對(duì)話框初始化BOOL CPlaymusicDlg:OnInitDialog()CDialog:OnInitDialog();/ Add "About." menu item to system menu./ IDM_ABOUTBOX must be in the system command range.ASSERT(IDM_ABOUTBOX & 0xFFF0) = IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX < 0xF000);CM

14、enu* 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

15、 automatically/ when the application's main window is not a dialogSetIcon(m_hIcon, TRUE);/ Set big iconSetIcon(m_hIcon, FALSE);/ Set small iconCAboutDlg dlg;dlg.DoModal();m_brush.CreateSolidBrush(RGB(200,100,200);/?顏色沒有變化？/設(shè)置擴(kuò)展風(fēng)格m_Songs.SetExtendedStyle(LVS_EX_FLATSB|LVS_EX_FULLROWSELECT|LVS_EX_

16、GRIDLINES |LVS_EX_TWOCLICKACTIVATE);m_Songs.InsertColumn(0,"歌曲名稱",LVCFMT_LEFT,230);CFileFind fFind;CString str;GetModuleFileName(NULL,str.GetBuffer(0),MAX_PATH);int pos = str.ReverseFind('');CString temp = str;CString filename = temp.Left(pos);if (fFind.FindFile(filename+"/son

17、g.ini")CString song;UINT num = GetPrivateProfileInt("歌曲列表","數(shù)量",0,filename+"/song.ini");CString key;for (int i = 0; i < num; i+)key.Format("%d",i);GetPrivateProfileString("歌曲列表",key.GetBuffer(0),"",song.GetBuffer(0),100,filename+&qu

18、ot;/song.ini");m_Songs.InsertItem(i,song);return TRUE; / return TRUE unless you set the focus to a control3.2.6關(guān)聯(lián)文件夾void CPlaymusicDlg:OnBUTTONtianjiawenjianjia()/關(guān)聯(lián)文件夾/ TODO: Add your control notification handler code hereBROWSEINFO bi; char bufferMAX_PATH; ZeroMemory(buffer,MAX_PATH); bi.hwnd

19、Owner=GetSafeHwnd(); bi.pidlRoot=NULL;bi.pszDisplayName=buffer; bi.lpszTitle="選擇一個(gè)文件夾" bi.ulFlags=BIF_EDITBOX; bi.lpfn=NULL; bi.lParam=0; bi.iImage=0; LPITEMIDLIST pList=NULL; if(pList=SHBrowseForFolder(&bi)!=NULL) m_Songs.DeleteAllItems();char pathMAX_PATH; ZeroMemory(path,MAX_PATH);

20、SHGetPathFromIDList(pList,path);CString strPath=path;CString strtemp,mp3="mp3",wma="wma"if(strPath.Right(1)!="")strtemp.Format("%s*.%s",strPath,mp3);elsestrtemp.Format("%s*.%s",strPath,mp3);CFileFind findfile;BOOL bfind=findfile.FindFile(strtemp);whi

21、le(bfind)bfind=findfile.FindNextFile();int i=m_Songs.GetItemCount();m_Songs.InsertItem(i,"");CString s = findfile.GetFilePath();#ifdef _DEBUGafxDump << "CString s" << s << "n"#endifLPTSTR fileName = s.GetBuffer( MAX_PATH );TCHAR shortNameMAX_PATH;/開辟sh

22、ortname【】?jī)?nèi)存空間GetShortPathName(fileName,shortName,sizeof(shortName)/sizeof(TCHAR);/獲取刪掉空格的文件路徑s.ReleaseBuffer( );#ifdef _DEBUGafxDump << "CString s " << s << "n"#endifm_Songs.SetItemText(i,0,(LPCSTR)CString(shortName) ); char pathMAX_PATH;ZeroMemory(path,MAX_PATH

23、);SHGetPathFromIDList(pList,path);CString strPath=path;CString strtemp,wma="wma"if(strPath.Right(1)!="")strtemp.Format("%s*.%s",strPath,wma);elsestrtemp.Format("%s*.%s",strPath,wma);CFileFind findfile;BOOL bfind=findfile.FindFile(strtemp);while(bfind)bfind=fin

24、dfile.FindNextFile();int i=m_Songs.GetItemCount();m_Songs.InsertItem(i,"");CString ss = findfile.GetFilePath();#ifdef _DEBUGafxDump << "CString ss" << ss << "n"#endifLPTSTR fileName1 = ss.GetBuffer( MAX_PATH );TCHAR shortName1MAX_PATH;/開辟shortname【】?jī)?nèi)存空

25、間GetShortPathName(fileName1,shortName1,sizeof(shortName1)/sizeof(TCHAR);/獲取刪掉空格的文件路徑ss.ReleaseBuffer();#ifdef _DEBUGafxDump << "CString ss " << ss << "n"#endifm_Songs.SetItemText(i,0,(LPCSTR)CString(shortName1) );3.2.7關(guān)聯(lián)文件void CPlaymusicDlg:OnBUTTONtianjiawenjian() / TODO: Add your control notification handler code hereCFileDialog fDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT|OFN_ALLOWMULTISELECT,"Audio Files(*.wma; *.mp3) | *.wma; *.mp3|",