C# - 汉字与unicode之间的转换

/// <summary>
/// 字符串转Unicode码
/// </summary>
/// <returns>The to unicode.</returns>
/// <param name="value">Value.</param>
private string StringToUnicode(string value)
{
byte[] bytes = Encoding.Unicode.GetBytes (value);
StringBuilder stringBuilder = new StringBuilder ();
for (int i = 0; i < bytes.Length; i += 2) {
// 取两个字符，每个字符都是右对齐。
stringBuilder.AppendFormat ("u{0}{1}", bytes [i + 1].ToString ("x").PadLeft (2, '0'), bytes [i].ToString ("x").PadLeft (2, '0'));
}
return stringBuilder.ToString ();
}

/// <summary>
/// Unicode转字符串
/// </summary>
/// <returns>The to string.</returns>
/// <param name="unicode">Unicode.</param>
private string UnicodeToString(string unicode)
{
string resultStr = "";
string[] strList = unicode.Split ('u');
for (int i = 1; i < strList.Length; i++) {
resultStr += (char)int.Parse (strList[i], System.Globalization.NumberStyles.HexNumber);
}
return resultStr;
}