用图形方式画出图形时钟，钟表显示的时间为本机系统的时间。用按键控制改变钟的颜色，演奏音乐或铃声。按“Q”键退出。-Draw graphics with the graphical clock, watches and clocks show the time-based computer system time. Control with buttons to change the color of the clock, playing music or ring tones. Press Q