保存emoji到数据库
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | /// <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))); } |
本文来自博客园,作者:方金,转载请注明原文链接:https://www.cnblogs.com/Gold-fangjin/p/6066875.html
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