图的遍历动态演示程序，通过鼠标操作实现对图的创建、删除和修改。有无向图和有向图，可以自动生成图。实现了图的广度优先遍历和深度优先遍历。这都是动态图形演示的，而且配合代码来执行，可以做到类似调试代码的效果来查看图的动态演示。-Dynamic graph traversal demo program, to achieve the creation of the map by mouse operation, delete, and modify. Have to map and directed