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使用数组循环渲染polyline组件,清除数组后发现polyline没有从地图中自动清除 #326

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@Lin47

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@Lin47

问题:我查看源码后发现在useEffect中设置polyline时并没有在卸载函数中清除掉polyline实例,请问是设计如此吗?
假如是设计如此,我希望手动控制清除polyline实例该怎么做?
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