蚁群算法，为机器人寻找最优路径，两类算法，第一，遍历各个目标节点，第二，在初始节点到目标节点寻求最优路径-Ant colony algorithm to find the optimal path for the robot, two types of algorithm, first, to traverse each destination node, and second in the initial node to the destination node, finding the optimal path