1.下载安装包
下载链接 https://pan.baidu.com/s/1M72B2ZLN6x6VtnGg8NRcJw
密码: an0w
2.更改权限

 $ sudo chmod +x qt-opensource-linux-x64-5.13.0.run

3.安装

$ sudo ./qt-opensource-linux-x64-5.13.0.run 

4.按照出现的界面直接安装

5.安装ROS Qt Creater插件

https://ros-qtc-plugin.readthedocs.io/en/latest/_source/How-to-Install-Users.html#qt-installer-procedure

Ubuntu18.04安装Qt5.13.0