MP3播放器用C++怎么写？
- 提问者网友：伴风望海
- 2021-04-26 09:22
- 五星知识达人网友：胯下狙击手
- 2021-04-26 10:10
#include<fstream.h>
#include<iostream.h>
#include<windows.h>
#include<mmsystem.h>
#pragma comment(lib,"winmm.lib")
void print()
{
cout<<"\n\t\t\t>>>>*简单音乐播放器*<<<<";
cout<<" 1.输入L(List)查看播放列表"<<endl;
cout<<" 2.输入?查看帮助信息"<<endl;
cout<<" 3.输入P(Play)加歌曲代号播放歌曲"<<endl;
cout<<" 4.输入S(Stop)停止播放当前歌曲"<<endl;
cout<<" 5.输入A(Pause)暂停播放当前歌曲"<<endl;
cout<<" 6.输入N(Next)播放下一首歌曲"<<endl;
cout<<" 7.输入R(Pre)播放上一首歌曲"<<endl;
cout<<" 8.输入E(Exit)退出程序"<<endl;
cout<<"********************************************************************************"<<endl;
Sleep(1000);
}
int main()
{
system("color 0a");
system("title 音乐播放器");
char command,b;
char filename[81];
char listname[81];
char number;
int i=1,j=1,Num;
print();
loop:
cout<<"请输入命令:\n\n>> ";
cin.get(command);
cout<<endl;
system("cls");
ifstream infile;
switch (command)
{
case '?':
system("cls");
cout<<"********************************************************************************";
cout<<"帮助说明:1.输入L(List)查看播放列表"<<endl;
cout<<" 2.输入?查看帮助信息"<<endl;
cout<<" 3.输入P(Play)加歌曲代号播放歌曲"<<endl;
cout<<" 4.输入S(Stop)停止播放当前歌曲"<<endl;
cout<<" 5.输入P(Pause)暂停播放当前歌曲"<<endl;
cout<<" 6.输入N(Next)播放下一首歌曲"<<endl;
cout<<" 7.输入P(Pre)播放上一首歌曲"<<endl;
cout<<" 8.输入E(Exit)退出程序"<<endl;
cout<<"********************************************************************************";
cin.ignore (1);
Sleep(1000);
goto loop;
case 'E':
Sleep(1000);
cout<<"你确定要退出吗?(Y\\N):\n\n>> ";
cin.ignore (1);
cin.get(command);
cout<<endl;
if(command=='Y'||command=='y')
{
cout<<"\t\t\t>>>>谢谢使用! 再见>>>>"<<endl;
Sleep(3000);
return 1;
}
else
system("cls");
cin.ignore (1);
goto loop;
case 'P':
cout<<"输入文件名需要播放的歌曲文件名:\n\n>> ";
cin.ignore (1);
cin.getline (filename,80);
cout<<endl;
MCI_OPEN_PARMS OpenParms;//打开设备
OpenParms.lpstrDeviceType = "mpegvideo";
OpenParms.lpstrElementName =filename;
OpenParms.wDeviceID = NULL;
mciSendCommand (NULL, MCI_OPEN,MCI_OPEN_ELEMENT, (DWORD)&OpenParms);
MCI_PLAY_PARMS PlayParms;//播放文件
PlayParms.dwFrom = 0;
mciSendCommand (OpenParms.wDeviceID, MCI_PLAY, MCI_FROM, (DWORD)&PlayParms);
cout<<"正在播放....."<<endl;
halt: cout<<endl<<"控制命令(播放-P,停止-S,返回-E):\n\n>> ";
cin.get (b);
switch (b)
{
case 'S':
mciSendCommand (OpenParms.wDeviceID, MCI_STOP, NULL, NULL);
Sleep(1000);
cout<<endl<<"已经停止播放....."<<endl;
cin.ignore (1);
goto halt;
case 'P':
MCI_PLAY_PARMS PlayParms;//播放文件
PlayParms.dwFrom = 0;
mciSendCommand (OpenParms.wDeviceID, MCI_PLAY, MCI_FROM, (DWORD)&PlayParms);
Sleep(1000);
cout<<endl<<"正在播放....."<<endl;
cin.ignore (1);
goto halt;
case 'E':
mciSendCommand (OpenParms.wDeviceID, MCI_STOP, NULL, NULL);
system("cls");
print();
cin.ignore (1);
goto loop;
default:
Sleep(1000);
cout<<"没有这个命令......"<<endl;
goto halt;
}
case 'L':
char str[81];
cout<<"你要打开的播放列表是(M3U):\n\n>> ";
cin.ignore (1);
cin.getline(listname,80);
infile.open (listname);
if(!infile)
{
Sleep(1000);
cout<<"文件读取错误!\a"<<endl<<endl;
goto loop;
}
else
cout<<"********************************************************************************";
cout<<"歌曲列表如下:"<<endl<<endl;
Sleep(1000);
while(!infile.eof ())
{
infile.getline (str,80);
if(str[0]=='#')//去掉前面含有#的行(m3u播放列表的固有格式)
{
}
else
{
cout<<" "<<i<<"."<<str<<endl;
i++;
}
}
i=1;//将i置1,这样下次打开列表时,i还是从1开始
infile.close ();
cout<<"********************************************************************************";Sleep(1000);
cout<<endl<<"要播放列表吗(Y\\N)?\n\n>> ";
cin.get (number);
cout<<endl;
if(number=='Y'||number=='y')
{ cin.ignore (1);
cout<<"是否打开自动播放功能(Y\\N)?\n\n>> ";
cin.get(number);
cout<<endl;
cout<<"你想播放第几首歌曲?\n\n>> ";
cin.ignore (1);
cin>>Num;
infile.open (listname);//打开播放列表
j=1;
infile.getline (str,80);//去掉前面两行
infile.getline (str,80);
while(j<=(2*Num-3))
{
infile.getline (str,80);
j++;
}
Sleep(1000);
if(number=='Y'||number=='y')//自动播放下一首
{
while(!infile.eof())
{
j++;
infile.getline(str,80);
if(str[0]!='#')
{
Sleep(1000);
cout<<endl<<"正在播放列表第"<<(j+1)/2<<"首歌曲....."<<endl;
MCI_OPEN_PARMS OpenParms;//打开设备
OpenParms.lpstrDeviceType = "mpegvideo";
OpenParms.lpstrElementName =str;
OpenParms.wDeviceID = NULL;
mciSendCommand (NULL, MCI_OPEN,MCI_OPEN_ELEMENT, (DWORD)&OpenParms);
MCI_PLAY_PARMS PlayParms;//播放文件
PlayParms.dwFrom = 0;
mciSendCommand (OpenParms.wDeviceID, MCI_PLAY,MCI_WAIT, (DWORD)&PlayParms);
}
}
infile.close ();
}
else//不自动播放
{
play1: infile.close ();
infile.open (listname);
infile.getline (str,80);//去掉前面两行
infile.getline (str,80);
cout<<endl<<"你想要播放的是?\n\n>> ";
cin.ignore(1);
cin>>Num;
for(j=1;j<=(2*Num-1);j++)
{
infile.getline (str,80);
}
Sleep(1000);
cout<<endl<<"正在播放列表第"<<(j+1)/2<<"首歌曲....."<<endl;
MCI_OPEN_PARMS OpenParms;//打开设备
OpenParms.lpstrDeviceType = "mpegvideo";
OpenParms.lpstrElementName =str;
OpenParms.wDeviceID = NULL;
mciSendCommand (NULL, MCI_OPEN,MCI_OPEN_ELEMENT, (DWORD)&OpenParms);
MCI_PLAY_PARMS PlayParms;//播放文件
PlayParms.dwFrom = 0;
mciSendCommand (OpenParms.wDeviceID, MCI_PLAY, MCI_FROM, (DWORD)&PlayParms);
handle: cout<<endl<<"控制命令(播放-P,停止-S,返回-E,下一首-N):\n\n>> ";
cin.ignore (1);
cin.get (b);
switch (b)
{
case 'S':
mciSendCommand (OpenParms.wDeviceID, MCI_STOP, NULL, NULL);
Sleep(1000);
cout<<endl<<"已经停止播放....."<<endl;
goto handle;
case 'P':
MCI_PLAY_PARMS PlayParms;//播放文件
PlayParms.dwFrom = 0;
mciSendCommand (OpenParms.wDeviceID, MCI_PLAY, MCI_FROM, (DWORD)&PlayParms);
Sleep(1000);
cout<<endl<<"正在播放....."<<endl;
goto handle;
case 'E':
mciSendCommand (OpenParms.wDeviceID, MCI_STOP, NULL, NULL);
system("cls");
print();
goto loop;
case 'N':
mciSendCommand (OpenParms.wDeviceID, MCI_STOP, NULL, NULL);
goto play1;
default:
Sleep(1000);
cout<<"没有这个命令......"<<endl;
goto handle;
}
}
}
else
cin.ignore (1);
goto loop;
case 'R':
cout<<endl<<"这个命令只有在播放列表时才可以用!"<<endl<<endl;
Sleep(1000);
cin.ignore (1);
goto loop;
case 'A':
system("pause");
cin.ignore (1);
goto loop;
case 'S':
system("pause");
cin.ignore (1);
goto loop;
case 'N':
cout<<endl<<"这个命令只有在播放列表时才可以用!"<<endl<<endl;
Sleep(1000);
cin.ignore (1);
goto loop;
default:
cout<<endl<<":-( 输入错误,请查看帮助重新输入!"<<endl<<endl;
cin.ignore (1);
Sleep(1000);
goto loop;
}
return 0;
}
- 1楼网友：琴狂剑也妄
- 2021-04-26 10:16