在已存在的一些最短路径算法测试总结的基础上，根据GIS中网络计算的实际情况，从网络结构的拓扑表示以及Dijkstra算法中快速搜索技术的实现实现方法。-Already exist in some of the shortest path algorithm test summary based on the GIS, the actual situation of network computing, from the topology of the network structure, as well as the Dijkstra algorithm that search technology to achieve rapid implementations.