pyqt5-tools 使用qtdesigner错误-This application failed to start because no Qt platform plugin could be i

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运行designer.exe文件保错
This application failed to start because it could not find or load the Qt platform plugin "windows"in “”, Available platform plugins are: minimal, offscreen, windows. Reinstalling the application may fix this problem.
解决方法
参考https://blog.csdn.net/a359680405/article/details/45074761
环境变量中设置pyqt5的plugins文件夹路径

QT_QPA_PLATFORM_PLUGIN_PATH
C:\\ProgramData\\Anaconda3\\Lib\\site-packages\\PyQt5\\Qt\\plugins