Pyqt environment in pycharm

Download and install PyQT5

1. cmd Install in mode

pip install PyQt5

2. Official website ----https://www.riverbankcomputing.com — The latest version 5.14.1
1）. Download the version you need

2）. Install and download .whl package —cmd Pattern —pip install +.whl File directory

pycharm Configure the environment in

1. open pycharm +File+setting+ Search for "External Tools"

2. Click on + ----------------- Enter the create tool window


3. Fill in the content
1） Fill in Name------ Random names （ Girlfriend's name is OK ）
2） Fill in Program ----- Fill in QT Installation directory （ Maybe you don't know your QT Installation directory , I'll teach you ）----- Be sure to add. .exe

Next, open the file location （ You can ）+ Copy files path+ Paste the Program in
3）. Fill in Woking directory（ Copy and paste ）

$ProjectFileDir$ 

4） Next ok that will do
4. The increase will .ui File conversion to .py File tool （designer The files generated in the tool are .ui file , You need to .ui File conversion to .py file ）

1） Fill in Name------ Random names （ Girlfriend's name is OK ）
2） Fill in Program -----python Installation directory （ Method is the same as above. ）
3） Fill in Arguments（ take .ui File conversion to .py File code ）

-m PyQt5.uic.pyuic $FileName$ -o $FileNameWithoutExtension$.py

4） Fill in Woking directory

$FileDir$

5. Click on ok
   6） Click on ok that will do
   

Test environment

1. open Qt Designer Tools


2） Select main form + Click Create

3）Ctrl+s Save the file , then .ui Save the file to the project directory

4） take ui File conversion to .py file

5) In the transformation of py Add running code to the file , function py file

    app = QtWidgets.QApplication(sys.argv)  #  You must first instantiate QApplication class , As GUI Main program entry 
    MainWindow = QtWidgets.QMainWindow()  #  Instantiation QtWidgets.QMainWindow class , Create your own menu Form type of QMainWindow
    ui = Ui_MainWindow()  #  example UI class 
    ui.setupUi(MainWindow)  #  Set the form UI
    MainWindow.show()  #  Display Form 
    sys.exit(app.exec_())  #  When a distribution event from the operating system assigns a call window ,
    #  The application opens the main loop （mainloop） The process ,
    #  When the window is created , The main cycle process needs to be ended ,
    #  Call at this time sys.exit（） The method is to , End the main cycle process and exit ,
    #  And free up memory . Why app.exec_() instead of app.exec()？
    #  because exec yes python System default keyword , To make a difference , So it's written as exec_