ubuntu18.04安装qt启动qtcreator报错qt.qpa.plugin:Could not load the Qt platform plugin “xcb“_ubuntu failed to start bacause no qt platform plug-CSDN博客

网站介绍:现像:qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.Available platform plu_ubuntu failed to start bacause no qt platform plugin