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是否可以画一条线,当鼠标左键按下时跟随鼠标?
查看 OpenLayers - 一个具有许多功能的地图库。在那里,您可以使用谷歌地图作为数据,并在此基础上进行绘图。
http://openlayers.org/dev/examples/draw-feature.html