qt中的ros插件安装

setp1：进入官网
https://ros-qtc-plugin.readthedocs.io/en/latest/_source/How-to-Install-Users.html#qt-installer-procedure
setp2：选择对应的ubunntu版本并下载offlin.run安装包
setp3:cd 到下载文件夹下执行命令第一个赋予权限，第二个执行此文件然后按步安装
chmod +x qtcreator-ros-bionic-latest-offnline-installer.run sudo ./qtcreator-ros-bionic-latest-offnline-installer.run