could not find or load the Qt platform plugin "xcb"

 

 没有解决

一些资料：

https://wiki.qt.io/Install_Qt_5_on_Ubuntu

http://doc.qt.io/qt-5/linux-requirements.html

https://stackoverflow.com/questions/17106315/failed-to-load-platform-plugin-xcb-while-launching-qt5-app-on-linux-without

 

后来直接apt安装的qt creator ui没有qt4好看，不过能用就好了