using System.Collections;
using System.Globalization;
public string QuotedPrintableEncode(string AText)// QP编码
{
string Result = "";
byte[] vBuffer = Encoding.Default.GetBytes(AText);
foreach(byte vByte in vBuffer)
// 可见字符并非"="(#61)
if ((vByte >= 33 && vByte <= 60) || (vByte >= 62 && vByte <= 126))
Result += (char)vByte;
else Result += "=" + vByte.ToString("X2");
return Result;
}
public static string QuotedPrintableDecode(string ACode)// 解码
{
ArrayList vBuffer = new ArrayList();
for(int i = 0; i < ACode.Length; i++)
{
if (ACode[i] == '=')
{
i++;
if (ACode[i] != '/r')
{
byte vByte;
if (byte.TryParse(ACode.Substring(i, 2),
NumberStyles.HexNumber, null, out vByte))
vBuffer.Add(vByte);
}
i++;
}
else if (ACode[i] != '/n') vBuffer.Add((byte)ACode[i]);
}
return Encoding.Default.GetString((byte[])vBuffer.ToArray(typeof(byte)));
}
private void button1_Click(object sender, EventArgs e)
{
Text = QuotedPrintableDecode(QuotedPrintableEncode("zswang 路过"));
}