百度地图API制作拖拽-阿里云

【百度地图API】如何制作可拖拽的沿道路测距摘要：地图测距，大家都会，不就map.getDistance麼。可是，这只能测任意两点的直线距离，用途不够实际啊。比如，我想测试北京天安门到北京后海的距离，怎么办呢？显然“沿道路测距”就显得尤为重要了。那么如果制作“可拖拽”的沿道路测距呢？我们一起来看一看。 ------------------...

【百度地图API】如何制作可拖拽的沿道路测距原文:【百度地图API】如何制作可拖拽的沿道路测距摘要：地图测距，大家都会，不就map.getDistance麼。可是，这只能测任意两点的直线距离，用途不够实际啊。比如，我想测试北京天安门到北京后海的距离，怎么办呢？显然“沿道路测距”就显得尤为重要了。那么如果制作“可拖拽”的沿道路测距呢？我们...

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