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目前我的keyExtractor={(item, index) => index.toString()}是这样写的.... 我想在FlatList下的组件使用点击事件 但是keyExtractor读出来是字符串...求解惑啊大神们!!!
转成Number(index)
keyExtractor只是flatlist内部所使用,你自己根本用不上,看不懂你这是要干什么(你不懂什么叫形参实参吗?)