以邻接表为存储结构，选择图的类型（有向图或无向图），创建相应的图。对创建的图按深度优先和广度优先的遍历。（文档中含代码） -To the adjacent table for the storage structure, select the type of graph (directed graph or undirected graph), create a corresponding map. To create the graph by depth-first and breadth