获取所有交叉路口ID列表
Get a list of all Junction IDs.
此函数用于获取地图中所有交叉路口的ID，并输出到参数 juncList 中
This function is used to get all junction IDs in the map and output them to juncList.
- 参数:
- SSD::SimVector<SSD::SimString> &juncList
[out]
存储所有交叉路口ID的列表
juncList stores all junction IDs.