python 练手
可以播放大部分的音视频.
demo download: http://www.sandy1219.com/python/media.rar
playMP3.py
# -*- coding: utf-8 -*-
import wx;
import wx.media;
import os;
import SPrint;
import mediaStateBar;
import mediaList;
import SaveLog;
import MediaItem;
woldcart = "media files|*.*|avi|*.avi|rmvb|*.rmvb|rm|*.rm|wma|*.wma|mp3|*.mp3";
class MediaFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self,None,wx.NewId(),u"媒体播放器",pos=wx.DefaultPosition,size=(500,500));
self.media = '';
try:
self.media = wx.media.MediaCtrl(self,style=wx.SIMPLE_BORDER,
#szBackend=wx.media.MEDIABACKEND_DIRECTSHOW
#szBackend=wx.media.MEDIABACKEND_QUICKTIME
#szBackend=wx.media.MEDIABACKEND_WMP10
);
self.media.Bind(wx.media.EVT_MEDIA_LOADED,self.mediaLoaded);
self.media.Bind(wx.media.EVT_MEDIA_STATECHANGED,self.mediaStateChange)
except NotImplementedError:
self.Destroy()
raise;
self.listView = '';
self.item = MediaItem.MediaItem();
self.sb = mediaStateBar.MediaStateBar(self);
self.SetStatusBar(self.sb);
self.log = SaveLog.SaveLog();
#self.log.test();
self.menu = wx.Menu()
self.openMenu = self.menu.Append(wx.NewId(),u"打开文件");
self.Bind(wx.EVT_MENU,self._openFile,self.openMenu);
self.quitMenu = self.menu.Append(wx.NewId(),u"退出");
self.Bind(wx.EVT_MENU,self.quit,self.quitMenu);
self.viewMenu = wx.Menu();
self.listMenu = self.viewMenu.Append(wx.NewId(),u"打开播放列表");
self.Bind(wx.EVT_MENU,self.openList,self.listMenu);
self.loadListMenu = self.viewMenu.Append(wx.NewId(),u"加载播放列表");
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源代码下载：下载地址在这里
e.g.1
# 030
aFile = file(r'C:\temp.txt', 'a')
aFile.write('又添加了一行。')
aFile.close()
output:
e.g.2
# 030
aFile = file(r'C:\temp.txt', 'a')
aFile.write('又添加了一行。')
aFile.close()
output:
e.g.3
实现根据原始文件有没有最后一行空行的情况来进行&ldqu ......
源代码下载：下载地址在这里
# 032
# 其实cPickle这个模块起到的作用可以用“完美地协调了文件中的内容（对象）和代码中的引用”来形容
import cPickle as p # 这条语句给cPickle起了个小名p
objectFileName = r'C:\Data.txt'
aList = [1, 2, 3]
f = file(objectFileName, 'w')
p.dump(aList, f)
f.close ......
源代码下载：下载地址在这里
# 033
class Person:
age = 22
def sayHello(self): # 方法与函数的区别在于需要一个self参数
print 'Hello!'
# end of def
# end of class # 这是我良好的编程风格
p = Person()
print p.age
p.sayHello()
output：
22
Hello! ......
源代码下载：下载地址在这里
# 037
fileName = ''
while 1:
fileName = raw_input("Input a file name:")
if fileName == 'q':
break
try:
f = file(fileName, 'r')
print 'Opened a file.'
except:
print 'There is no file named', fileName
......
# 040
import time
try:
f = file('040_Finally.py')
while True:
line = f.readline()
if len(line) == 0:
break
time.sleep(0.33)
print line,
# end of while
finally:
f.close()
print 'Closed the file.'
# end of try
output：
> ......
