vb.net

Dim sTest As String = "2A三b四S"
Dim bByte() As Byte = System.Text.Encoding.Default.GetBytes(sTest)
Dim sName As String = System.Text.Encoding.Default.GetString(bByte)
MessageBox.Show(sName)

C#.net

string sTest = "2A三b四S"; byte[] bByte = System.Text.Encoding.Default.GetBytes(sTest); string test = System.Text.Encoding.Default.GetString(bByte); MessageBox.Show(bByte.Length.ToString() + " " + test);