---

创建工作空间

mkdir -p ~/catkin_ws/src
cd ~/catkin_ws/src
catkin_create_pkg [depend1] [depend2] [depend3]
catkin_create_pkg test_pkg std_msgs rospy roscpp
catkin_init_workspace

---

编译工作空间

cd catkin_ws
catkin_make

---

设置环境变量

source devel/setup.bash

---

检查环境变量

echo $ROS_PACKAGE_PATH