ubuntu下安装QT

到清华源https://mirrors.tuna.tsinghua.edu.cn/qt/archive/online_installers/4.5/

下载安装脚本qt-unified-linux-x64-4.5.0-online.run

apt install libxcb-xinerama0
./qt-unified-linux-x64-4.5.0-online.run --mirror https://mirrors.nju.edu.cn/qt/
apt install build-essential
apt install libgl1-mesa-dev