http://sysads.co.uk/2014/05/install-qt-5-3-ubuntu-14-04/
wget http://download.qt-project.org/official_releases/qt/5.3/5.3.0/qt-opensource-linux-x64-5.3.0.run
chmod +x qt-opensource-linux-x64-5.3.0.run
./qt-opensource-linux-x64-5.3.0.run原文：http://www.cnblogs.com/huicanlin/p/5279089.html