打開Qt Designer遇到This application failed to start because no Qt platform plugin could be initialized.

在學習PyQt5的過程中,興致勃勃地打開designer.exe應用程序,準備編輯圖形化界面,卻遇上這麼個問題: 「This application failed to start because no Qt platform plugin could be initialized.Reinstalling the application may fix this problem.」 看提示應該是

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