Method setEdgeStyleBetweenIds

设置两个ID城市之间的边线样式 @param fromId @param toId @param colorFrom @param colorTo @param width @param animDuration @param edgeType @param bezierOffset @return

(String fromId, String toId, LColor colorFrom, LColor colorTo, float width,
			float animDuration, EdgeType edgeType, float bezierOffset)