報錯This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

問題 This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

 

 解決方案

臨時解決

添加

import os
import PySide2
dirname = os.path.dirname(PySide2.__file__)
plugin_path = os.path.join(dirname, 'plugins', 'platforms')
os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = plugin_path

永久解決

添加環境變量

C:\ProgramData\Miniconda3\Lib\site-packages\PySide2\plugins\platforms