wget http://download.qt.io/archive/qt/5.9/5.9.2/qt-opensource-linux-x64-5.9.2.run
chmod +x qt-opensource-linux-x64-5.9.2.run
./qt-opensource-linux-x64-5.9.2.run


开发者版 http://download.qt.io/development_releases/qt/
发布版 http://download.qt.io/archive/qt/