ubuntu18.04安装ros2 foxy

好的，我知道您想问如何在Ubuntu 18.04上安装ROS2 Foxy。以下是安装步骤：

1. 安装依赖项

sudo apt update
sudo apt install -y curl gnupg2 lsb-release

2. 设置镜像源

curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -
sudo sh -c 'echo "deb [arch=$(dpkg --print-architecture)] http://mirrors.tuna.tsinghua.edu.cn/ros2/ubuntu $(lsb_release -cs) main" > /etc/apt/sources.list.d/ros2-latest.list'

3. 安装ROS2 Foxy

sudo apt update
sudo apt install -y ros-foxy-desktop

4. 设置环境变量

source /opt/ros/foxy/setup.bash
echo "source /opt/ros/foxy/setup.bash" >> ~/.bashrc

至此，ROS2 Foxy已经安装完成。希望我的回答能够帮助您！