ROS创建一个基本功能包

1.mkdir catkin_ws/src

2.cd catkin_ws/src

3.catkin_init_workspace

4.cd ~/catkin_ws/

5.catkin_make

6.在bashrc中添加 source ~/catkin_ws/devel/setup.bash

7.source ~/.bashrc

8.创建功能包

　　cd ~/catkin_ws/src

　　catkin_create_pkg 功能包名字 std_msgs rospy roscpp

9.cd ~/catkin_ws

10.catkin_make