基本了解了pyqt的原理，到下载安装好qt后，桌面上会出现Qt Designer。

 

我们可以利用它进行界面的设计，然后保存为一个后缀为.ui的文件，我们需要把它转化为后缀为.py的文件。

进入cmd，进入后缀为.ui的文件目录，命令 pyuic4 -o dome.py dome.ui

 

这样我们就可以得到我们需要的文件了：

 

打开.py，就可以看到转换得到的python代码，就可以添加动作了。

# -*- coding: utf-8 -*-# Form implementation generated from reading ui file 'dome.ui'## Created: Thu Jul 25 13:25:12 2013#      by: PyQt4 UI code generator 4.10.2## WARNING! All changes made in this file will be lost!from PyQt4 import QtCore, QtGuitry:    _fromUtf8 = QtCore.QString.fromUtf8except AttributeError:    def _fromUtf8(s):        return stry:    _encoding = QtGui.QApplication.UnicodeUTF8    def _translate(context, text, disambig):        return QtGui.QApplication.translate(context, text, disambig, _encoding)except AttributeError:    def _translate(context, text, disambig):        return QtGui.QApplication.translate(context, text, disambig)class Ui_Dialog(object):    def setupUi(self, Dialog):        Dialog.setObjectName(_fromUtf8("Dialog"))        Dialog.resize(400, 300)        self.buttonBox = QtGui.QDialogButtonBox(Dialog)        self.buttonBox.setGeometry(QtCore.QRect(30, 240, 341, 32))        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)        self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Ok)        self.buttonBox.setObjectName(_fromUtf8("buttonBox"))        self.retranslateUi(Dialog)        QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(_fromUtf8("accepted()")), Dialog.accept)        QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(_fromUtf8("rejected()")), Dialog.reject)        QtCore.QMetaObject.connectSlotsByName(Dialog)    def retranslateUi(self, Dialog):        Dialog.setWindowTitle(_translate("Dialog", "Dialog", None))