【下载文档:  python通过wxPython打开一个音频文件并播放的方法.txt 】

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python通过wxPython打开一个音频文件并播放的方法
本文实例讲述了python通过wxPython打开一个音频文件并播放的方法。分享给大家供大家参考。具体如下：
这段代码片段使用wx.lib.filebrowsebutton.FileBrowseButton控件打开一个wav文件，使用wx.Sound播放
import wx
import wx.lib.filebrowsebutton
class MyFrame(wx.Frame):
def __init__(self, parent, mytitle, mysize):
wx.Frame.__init__(self, parent, wx.ID_ANY, mytitle,
size=mysize)
self.SetBackgroundColour("green")
panel = wx.Panel(self)
# mask file browser to look for .wav sound files
self.fbb = wx.lib.filebrowsebutton.FileBrowseButton(panel,
labelText="Select a WAVE file:", fileMask="*.wav")
self.play_button = wx.Button(panel, wx.ID_ANY, ">> Play")
self.play_button.Bind(wx.EVT_BUTTON, self.onPlay)
# setup the layout with sizers
hsizer = wx.BoxSizer(wx.HORIZONTAL)
hsizer.Add(self.fbb, 1, wx.ALIGN_CENTER_VERTICAL)
hsizer.Add(self.play_button, 0, wx.ALIGN_CENTER_VERTICAL)
# create a border space
border = wx.BoxSizer(wx.VERTICAL)
border.Add(hsizer, 0, wx.EXPAND|wx.ALL, 10)
panel.SetSizer(border)
def onPlay(self, evt):
filename = self.fbb.GetValue()
self.sound = wx.Sound(filename)
# error handling ...
if self.sound.IsOk():
self.sound.Play(wx.SOUND_ASYNC)
else:
wx.MessageBox("Missing or invalid sound file", "Error")
app = wx.App(0)
# create a MyFrame instance and show the frame
mytitle = "wx.lib.filebrowsebutton and wx.Sound"
width = 600
height = 90
MyFrame(None, mytitle, (width, height)).Show()
app.MainLoop()
希望本文所述对大家的Python程序设计有所帮助。