1.消息结构 daichang@daichang-ASUS:~/Desktop/ros2_ws$ ros2 interface show sensor_msgs/msg/PointCloud2# This message holds a collection of N-dimensional points, which may# contain additional information
CMake Warning at /opt/ros/kinetic/share/catkin/cmake/catkinConfig.cmake:76 (find_package): Could not find a package configuration file provided by “move_base_msgs” with any of the following names: mo