【Qt】Ubuntu18.04下解决Qt出现qt.qpa.plugin:Could not load the Qt platform plugin “xcb“问题
1、问题描述在ubuntu18.04中第一次安装QT5,运行时报错qtcreator.shqt.qpa.plugin:CouldnotloadtheQtplatformplugin"xcb"in""eventhoughitwasfound.ThisapplicationfailedtostartbecausenoQtplatformplugincouldbeinitialized.Reinstal