1. package play
    3. import (
    4.     "fmt"
    5.     "time"
    6. )
    8. type MP3Player struct {
    9.     stat int
    10.     progress int
    11. }
    13. func (p *MP3Player)Play(source ,name string)  {
    14.     fmt.Printf("\nPlaying %s MP3 music from %s\n",name,source)
    15.     p.progress =0
    16.     for p.progress <100{
    17.         time.Sleep(100*time.Millisecond) //假装正在播放
    18.         fmt.Printf("the music %s playing\n",name)
    19.         p.progress +=10
    20.     }
    21.     fmt.Printf("\nFinish Playing  %s from %s\n",name,source)
    22. }