如何将String转换为List <String>

Question

我有这个String.

  var String a = '["one", "two", "three", "four"]';
  var ab = (a.split(','));
  print(ab[0]); // return ["one"

我想把它转换成List<String>.问题是它也返回方括号.我想列表看起来["one", "two", "three", "four"]不是这样[["one", "two", "three", "four"]].我怎样才能正确转换？

Answer 1

您的字符串看起来像有效的JSON,所以这应该适合您:

import 'dart:convert';
...

var String a = '["one", "two", "three", "four"]';
var ab = json.decode(a);
print(ab[0]); // return ["one"

Answer 2

void main(){
     String listA = '["one", "two", "three", "four"]';
     var a = jsonDecode(listA);
     print(a[0]); // print one

     String listB = 'one,two,three,four';
     var b = (listB.split(','));
     print(b[0]); // print one
}