PyQt5--QSplitter

 # -*- coding:utf-8 -*-
 '''
 Created on Sep 20, 2018

 @author: SaShuangYiBing

 Comment:
 '''
 import sys
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QApplication,QWidget,QSplitter,QHBoxLayout,QFrame,QStyleFactory

 class New_test(QWidget):
     def __init__(self):
         super().__init__()
         self.initUI()

     def initUI(self):
         hbox = QHBoxLayout(self)
         topleft = QFrame(self)
         topleft.setFrameShape(QFrame.StyledPanel)
         topright = QFrame(self)
         topright.setFrameShape(QFrame.StyledPanel)
         bottom = QFrame(self)
         bottom.setFrameShape(QFrame.StyledPanel)

         splitter1 = QSplitter(Qt.Horizontal)
         splitter1.addWidget(topleft)
         splitter1.addWidget(topright)

         splitter2 = QSplitter(Qt.Vertical)
         splitter2.addWidget(bottom)
         splitter2.addWidget(splitter1)

         hbox.addWidget(splitter2)
         self.setLayout(hbox)

         self.setGeometry(300,300,300,200)
         self.setWindowTitle('QSplitter')
         self.show()

 if __name__ == '__main__':
     app = QApplication(sys.argv)
     ex = New_test()
     sys.exit(app.exec_())