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我有两张相互重叠的地图。现在我想为它们添加不透明度控制。但我不知道该怎么做。请建议。我在 webview 中添加的 HTMl 中覆盖地图。谢谢阿莎
I am trying to use a vector to hold my classes. These classes inherit methods from another class and have their own methods as well. What I am having trouble with is using the vector with objects to call