有关启发式搜索的经典算法：A*最短路径算法的实例和对应程序。关注的朋友可以留意一下。（比传统的Dijistra算法效率高很多哦！^_^）-the heuristic search algorithm of the classic : A * shortest path algorithm examples and the corresponding procedures. Concerned friends can look. (Dijistra than the traditional alg