第一步:下載文件
https://download.qt.io/official_releases/qt/5.12/5.12.2/
第二步:安裝依賴庫
sudo apt-get install build-essential sudo apt-get install libqt4dev sudo apt-get install g++ sudo apt-get install libx11-dev libxext-dev libxtst-dev sudo apt-get install xlibmesa-gl-dev libglu1-mesa-dev
第三步:安裝qt
./qt-opensource-linux-x64-5.12.2.run
一路next即可,注冊賬號的步驟可跳過