我有 List<> 数据
List<dynamic> associateList = [
{"number": 1, "lat": "14.97534313396318", "lon": "101.22998536005622"},
{"number": 2, "lat": "14.97534313396318", "lon": "101.22998536005622"},
{"number": 3, "lat": "14.97534313396318", "lon": "101.22998536005622"},
{"number": 4, "lat": "14.97534313396318", "lon": "101.22998536005622"}
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];
我想要像它这样的 csv 文件。
以及如何将文件导出到设备?