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a guest Jun 27th, 2019 63 Never
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  1. import 'dart:convert';
  2. void main() {
  3.   String str = '你好';
  4.     final bytes = utf8.encode(str);
  5.   print(str.length);    // 2
  6.   print(bytes.length);  // 6
  7. }
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