Reverse Convert.ToBase64String(byte [] array)

Question

在例子中

string newString = Convert.ToBase64String(byte[] array)

我将如何转换newString为获取byte[](字节数组)？

Answer 1

Convert.FromBase64String(newString)

Answer 2

byte[] data = Convert.FromBase64String(newString);
string decodedString = Encoding.UTF8.GetString(data);