.Net(c#)汉字和Unicode编码互相转换实例

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/// <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 | RegexOptions.Compiled).Replace(     source, x => string.Empty + Convert.ToChar(Convert.ToUInt16(x.Result("$1"), 16)));}