认你已经安装好了pycharm,也正确安装了PyQt5 否则,请移步https://www.cnblogs.com/longbigbeard/p/9628102.html来安装PyQt5 下一步,Tools—>External Tools 打开之后,如果之前没添加过插件,是没有下面的QtDesigner和PyUIC的,点击 “+” 号 Program:C:\Program Files\Python36\Lib\site-packages\pyqt5-tools\designer.exe (这里…