ubuntu20 添加qt环境变量

gedit ~/.bashrc

export QTDIR=/home/lhw/Qt5.9.8/5.9.8/gcc_64
export PATH=$QTDIR/bin:$PATH
export LD_PLUGINS_PATH=$QTDIR/plugins:$LD_PLUGINS_PATH
export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

source ~/.bashrc