附录 全部代码

#include <windows.h> #include <stdio.h> #include <mmsystem.h> #include <shellapi.h> #include <AFXCOM_.H> #include<iostream.h> #include<time.h>

#pragma comment(lib,"winmm.lib") int m_wDeviceID=NULL;

unsigned long getmusictime(char *s)//利用MCI命令,*S为文件名,返回值为文件时间的秒数 {

unsigned long m_dLength; int m_wDeviceID; char buf[128];

MCI_OPEN_PARMS mciOpen; MCI_STATUS_PARMS mciStatusParms; MCIERROR mciError;

mciOpen.lpstrElementName=(LPCTSTR)s;//取得文件名

mciError=mciSendCommand(NULL,MCI_OPEN,MCI_OPEN_ELEMENT,(DWORD)(LPVOID)&mciOpen);//打开文件

if(mciError) //出错处理 {

mciGetErrorString(mciError,buf,128); printf("%s\n",buf); getchar(); }

m_wDeviceID=mciOpen.wDeviceID;

mciStatusParms.dwItem=MCI_STATUS_LENGTH;

mciSendCommand(m_wDeviceID,MCI_STATUS,MCI_WAIT|MCI_STATUS_ITEM,(DWORD)(LPVO