ios picker多维数组

Question

pickerData =    [[["A"], ["i","ii","iii"]],[["B"],["iv","v","vi","vii"]]]
}

  

    

错误：上下文类型＆＃39;字符串＆＃39;不能与数组文字一起使用     请告知如何使用数组

  

Answer 1

必须对异类文字集合类型进行处理：

试试这个：

let pickerData: [[[String]]] =
[
    [
        ["A"],
        ["i","ii","iii"]
    ],
    [
        ["B"],
        ["iv","v","vi","vii"]
    ]