解決pyqt5使用designer.exe時報錯 This application failed to start because it could not find or load th

1. 我們安裝完PyQt5-tools後使用designer.exe時出現了以下錯誤 PyQt5：This application failed to start because it could not find or load the Qt platform plugin 這是因爲運行時缺少相應的dll庫所導致的 2. 解決辦法 我們把 QT/plugins/platforms/ 下的dll復

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