需要安装 pip install easygui
pip install pyqt5 -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install pyqt5-tools -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install pyqt5-stubs -i https://pypi.tuna.tsinghua.edu.cn/simple
Qt designer.exe 地址在 python37libsite-packagespyqt5-tools下