通过Pycharm 运行程序是，提示：This application failed to stat could not find or load the Qt platform plugin “windows”
原因：环境变量中缺少：QT_QPA_PLATFORM_PLUGIN_PATH
在系统中添加此环境变量：
QT_QPA_PLATFORM_PLUGIN_PATH
E:\学习资料\Qt\venv\Lib\site-packages\PyQt5\Qt\plugins
通过Pycharm 运行程序是，提示：This application failed to stat could not find or load the Qt platform plugin “windows”
原因：环境变量中缺少：QT_QPA_PLATFORM_PLUGIN_PATH
在系统中添加此环境变量：
QT_QPA_PLATFORM_PLUGIN_PATH
E:\学习资料\Qt\venv\Lib\site-packages\PyQt5\Qt\plugins
![python模块安装、字符串方法、set()函数、pycharm快捷键[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)