Emoji表情在网页中显示

　　　　　　　Regex reg = new Regex("(\uD83C[\uDDE8-\uDDFF]\uD83C[\uDDE7-\uDDFF])|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\u2600-\u27ff][\uFE0F]|[\u2600-\u27ff]");
            MatchCollection match = reg.Matches(test_data);
            string emoji_path = Server.MapPath("/Content/others/emoji.json");
            StreamReader read = new StreamReader(emoji_path, Encoding.UTF8);
            string json = read.ReadToEnd();
            List<Emoji_g> emoji_list = JsonConvert.DeserializeObject<List<Emoji_g>>(json);
            //StringBuilder sr = new StringBuilder();
            //for (int i = 0; i < content.Length; i++)
            //{
            //    sr.Append("\\u");
            //    sr.Append(((int)content[i]).ToString("X"));
            //}
            string emoji_str = string.Empty;
            string emoji_value = string.Empty;
            foreach (Match item in match)
            {
                StringBuilder sresult = new StringBuilder();
                for (int i = 0; i < item.Length; i++)
                {
                    sresult.Append(((int)item.Value[i]).ToString("X"));
                }
                Emoji_g emoji = emoji_list.Where(e => e.unicode == sresult.ToString()).FirstOrDefault();
                Emoji_g e_teste = emoji_list.Where(e=>e.aliases[0]=="china").FirstOrDefault();
                if (emoji != null)
                {
                    test_data = test_data.Replace(item.Value, "<img style='width:22px' src='http://www.emoji-cheat-sheet.com/graphics/emojis/" + emoji.aliases[0] + ".png' />");
                    emoji_str = string.Empty;
                    emoji_value = string.Empty;
                }
                else
                {
                    emoji_str += sresult.ToString();
                    emoji_value += item.Value;
                    emoji = emoji_list.Where(e => e.unicode == emoji_str).FirstOrDefault();
                    if (emoji != null)
                    {
                        test_data = test_data.Replace(emoji_value, "<img style='width:22px' src='http://www.emoji-cheat-sheet.com/graphics/emojis/" + emoji.aliases[0] + ".png' />");
                        emoji_str = string.Empty;
                        emoji_value = string.Empty;
                    }
                }
            }
            return Content(test_data);

二、表情名称为10进制数字版

　　　　　　　Regex reg = new Regex("(\uD83C[\uDDE8-\uDDFF]\uD83C[\uDDE7-\uDDFF])|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\u2600-\u27ff][\uFE0F]|[\u2600-\u27ff]");
            MatchCollection match = reg.Matches(content);
            string emoji_path = Server.MapPath("/Content/others/emoji_ios6.json");
            StreamReader read = new StreamReader(emoji_path, Encoding.UTF8);
            string json = read.ReadToEnd();
            List<Emoji_ios6> emoji_list = JsonConvert.DeserializeObject<List<Emoji_ios6>>(json);
            //StringBuilder sr = new StringBuilder();
            //for (int i = 0; i < content.Length; i++)
            //{
            //    sr.Append("\\u");
            //    sr.Append(((int)content[i]).ToString("X"));
            //}
            foreach (Match item in match)
            {
                StringBuilder sresult = new StringBuilder();
                for (int i = 0; i < item.Length; i++)
                {
                    sresult.Append(((int)item.Value[i]).ToString("X"));
                }
                Emoji_ios6 emoji = emoji_list.Where(e => e.utf16 == sresult.ToString()).FirstOrDefault();
                if (emoji != null)
                    content = content.Replace(item.Value, "<img style='width:22px' src='/content/emoji/" + Convert.ToInt32(emoji.codepoint, 16) + ".png' />");
            }
            return content;