之所以选择PyQt或PySide来开发图形界面，主要是因为Python和Qt的跨平台特性，Qt5甚至支持iOS和Android，并且开发相同的软件，Python的效率是极高的。

#!/usr/bin/env python  import sys  from PyQt4 import QtGui,QtCore  import httplib  from urllib import urlencode  import re    def out(text):      p = re.compile(r'","')      m = p.split(text)      result=unicode(m[0][4:].decode('utf-8'))      DS_Widget.setDS_TextEdit_text(result)    def dic():      word=DS_Widget.getDS_LineEdit_text()      text=urlencode({'text':word})      h=httplib.HTTP('translate.google.cn')      h.putrequest('GET', '/translate_a/t?client=t&hl=zh-CN&sl=en&tl=zh-CN&ie=UTF-8&oe=UTF-8&'+text)      h.endheaders()      h.getreply()      f = h.getfile()      lines = f.readlines()      out(lines[0])      f.close()    class DS_QWidget(QtGui.QWidget):      def __init__(self):          QtGui.QWidget.__init__(self)                    self.DS_LineEdit = QtGui.QLineEdit(self)            DS_SearchButton=QtGui.QPushButton('Search',self)          self.DS_TextEdit = QtGui.QTextEdit(self)            hbox = QtGui.QHBoxLayout()          hbox.addWidget(self.DS_LineEdit)          hbox.addWidget(DS_SearchButton)                    vbox = QtGui.QVBoxLayout(self)          vbox.addLayout(hbox)          vbox.addWidget(self.DS_TextEdit)                    self.resize(500, 300)          self.setWindowTitle('Dictionary')          self.connect(DS_SearchButton, QtCore.SIGNAL('clicked()'),dic)          self.setLayout(vbox)                def getDS_LineEdit_text(self):          return self.DS_LineEdit.text()      def setDS_TextEdit_text(self,text):          self.DS_TextEdit.setText(text)    if __name__=="__main__":      DS_APP = QtGui.QApplication(sys.argv)      DS_Widget = DS_QWidget()      DS_Widget.show()      sys.exit(DS_APP.exec_())