本章主要利用tkinter库和pygame库,实现GUI界面的点击选择音乐文件控制音乐播放/关闭,同时利用水平滑动标尺控制音量大小。
from tkinter import *
import pygame.mixer
def track_toggle():
if track_playing.get() == 1:
track.play(loops = -1)
else:
track.stop()
def change_volume(v):
track.set_volume(volume.get())
app = Tk()
app.title("Head First Mix")
mixer = pygame.mixer
mixer.init()
sound_file = "50459_M_RED_Nephlimizer.wav"
track = mixer.Sound(sound_file)
track_playing = IntVar()
track_button = Checkbutton(app, variable = track_playing,
command = track_toggle,
text = sound_file)
track_button.pack(side = LEFT)
volume = DoubleVar()
volume.set(track.get_volume())
volume_scale = Scale(variable = volume,
from_ = 0.0,
to = 1.0,
resolution = 0.1,
command = change_volume,
label = "Volume",
orient = HORIZONTAL)
volume_scale.pack(side = RIGHT)
def shutdown():
track.stop()
app.destroy()
app.protocol("WM_DELETE_WINDOW", shutdown)
app.mainloop()
1. 音乐文件下载地址:
sound files
2.程序运行截图