.Net(C#)汉字和Unicode编码互相转换

/// <summary>/// <summary>/// 字符串转Unicode/// </summary>/// <param name="source">源字符串</param>/// <returns>Unicode编码后的字符串</returns>public static string String2Unicode(string source){byte[] bytes = Encoding.Unicode.GetBytes(source);StringBuilder stringBuilder = new StringBuilder();for (int i = 0; i < bytes.Length; i += 2){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>/// <param name="source">经过Unicode编码的字符串</param>/// <returns>正常字符串</returns>public static string Unicode2String(string source){return new Regex(@"\\u([0-9A-F]{4})", RegexOptions.IgnoreCase | piled).Replace(source, x => string.Empty + Convert.ToChar(Convert.ToUInt16(x.Result("$1"), 16)));}