该程序基于Floyd算法实现最短路径寻优，这里仅是在小规模节点数情况下进行演示。最短路径用红线标出，点击最短路径上某个节点(即该节点出现故障)，程序会自动更新最短路径。-The program is based on Floyd shortest path algorithm optimization, where only a small number of nodes in a presentation case. Shortest path marked with red, click o