[Qt5 basic \u 1] starting from 0, Mr. Detian will study with you - Introduction to the window

Window creation

Clarify basic logic , Further hierarchical decomposition of content , Cut code fragments reasonably , Constantly cutting code , To better understand the meaning of the code .

1. Create initial data

2. initUi(self)—
   2.1— Window title
   2.2— Window icons
   2.3— Window size

3. Window run

from PyQt5 import QtGui, QtCore
from PyQt5.Qt import *
import sys

class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.title = 'PyQt5 Frameless Window'
        self.left = 500
        self.top = 200
        self.width = 300
        self.height = 250
        self.iconName='home.png'

        self.initUi()
    def initUi(self):
        self.setWindowTitle(self.title) # title 
        self.setWindowIcon(QtGui.QIcon(self.iconName)) # Icon 
        self.setGeometry(self.left,self.top,self.width,self.height) #  Size 
        self.show() # Show 
if __name__ =='__main__':
    app = QApplication([])
    win = Window()
    # win.show()