PIP installation Qt5.

First ： If your Python 3.79 Version above , Please reduce the version to 3.79 Or the following .

secondly ：pip Installation command

direct pip Can be installed ：

pip install PyQt5
pip install pyqt5-tools

Domestic sources are recommended , For quick installation ：

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pyqt5
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pyqt5-tools

2.2 PyCharm Configuration environment

start-up PyCharm after , Create a new one PyQt5 After empty item , Need configuration Qt Designer、pyuic、pyrcc Tools , The relevant configuration methods are as follows ：

2.2.1 Qt Designer

Qt Designer Is to place the control by dragging , And view the effect of the control in real time for rapid control UI Design .

The resulting .ui file （ Is essentially XML File format ）, Can pass pyuic5 The tool translates into .py file .

stay Pycharm in , In turn, open File - Settings - Tools - External Tools, Click on + Create Tool, The configuration is as follows ：

Name: QtDisigner
Program : C:\Python38\Lib\site-packages\pyqt5_tools\Qt\bin\designer.exe #  At present designer Catalog , Please modify according to the actual situation 
Working directory: $FileDir$

PyQt5 Can't find Designer.exe The problem of

designer.exe The new path ：

%python_home%\Lib\site-packages\qt5_applications\Qt\bin\designer.exe

2.2.3 PyUIC To configure

PyUIC It's mainly about Qt Designer Generated .ui Replace the document with .py file .

stay Pycharm in , In turn, open File - Settings - Tools - External Tools, Click on + Create Tool, The configuration is as follows ：

Name: PyUIC
Program : C:\Python38\python.exe #  At present Python Catalog , Please modify according to the actual situation 
Arguments: -m PyQt5.uic.pyuic $FileName$ -o $FileNameWithoutExtension$.py
Working directory: $FileDir$