使用C语言编写钢琴小程序

#include <stdio.h> 
#include <process.h> 
#include <windows.h> 
#include <Mmsystem.h> 
#pragma comment ( lib, "Winmm.lib" ) 
 
/* 
* 隐藏控制台光标 
*/ 
void HideTheCursor() 
{ 
 CONSOLE_CURSOR_INFO cciCursor; 
 HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); 
  
 if(GetConsoleCursorInfo(hStdOut, &cciCursor)) { 
  cciCursor.bVisible = FALSE; 
  SetConsoleCursorInfo(hStdOut, &cciCursor); 
 } 
} 
 
/* 
* 播放线程 
*/ 
unsigned _stdcall thread_play(LPVOID lpParam) 
{ 
 char sz_command[126] = {0}; 
 char sz_cur_play[32] = {0}; 
 
 /*打开mp3文件*/ 
 sprintf(sz_command, "open \"key\\%c.mp3\" alias key_%c", (WORD)lpParam, (WORD)lpParam); 
 mciSendString(sz_command, 0, 0, 0 ); 
 
 sprintf(sz_cur_play, "key_%c", (WORD)lpParam); 
 
 /*播放*/ 
 sprintf(sz_command, "play %s", sz_cur_play); 
 mciSendString(sz_command, 0, 0, 0 ); 
  
 /*3秒后关闭*/ 
 Sleep(3000); 
 sprintf(sz_command, "close %s", sz_cur_play); 
 mciSendString(sz_command, 0, 0, 0); 
 
 return 0; 
} 
 
main() 
{ 
 /*标准输入句柄*/ 
 HWND h_console_in; 
  
 /*输入记录*/ 
 INPUT_RECORD input_rec; 
 DWORD res; 
 
 /*线程句柄*/ 
 HANDLE h_thread_play = INVALID_HANDLE_VALUE; 
 unsigned id_thread_play; 
 
 printf("欢迎来到键盘钢琴！！\n\n"); 
 
 HideTheCursor(); 
  
 /*获取标准输入句柄，并设置为接受输入*/ 
 h_console_in = GetStdHandle(STD_INPUT_HANDLE); 
 SetConsoleMode(h_console_in, ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT); 
 
 while (1) 
 { 
  /*读取一个输入*/ 
  ReadConsoleInput(h_console_in, &input_rec, 1, &res); 
   
  /*刷新输入缓冲区*/ 
  FlushConsoleInputBuffer(h_console_in); 
   
  /*输入事件为按键输入，且按键按下时*/ 
  if (input_rec.EventType == KEY_EVENT && input_rec.Event.KeyEvent.bKeyDown == TRUE) 
  { 
   /*输入的是A-Z之间的按键*/ 
   if (input_rec.Event.KeyEvent.wVirtualKeyCode >= 'A' 
    && input_rec.Event.KeyEvent.wVirtualKeyCode <= 'Z') 
   { 
    /*将当前按键作为参数，开线程*/ 
    h_thread_play = (HANDLE)_beginthreadex(NULL, 0, &thread_play, 
     (void *)input_rec.Event.KeyEvent.wVirtualKeyCode, 0, &id_thread_play); 
   } 
  } 
 } 
}