c# 实体符号转换

 

       

        public string convert_utf8(string str)
        {
            string actionv2 = str;
            actionv2 = actionv2.Replace(" ", "");

            string str2 = actionv2.Replace("&#", "");
            str2 = str2.Replace("/r", "");
            str2 = str2.Replace("/t", "");
            str2 = str2.Replace("/n", "");
            str2 = str2.Replace("(", "");
            str2 = str2.Replace(")", "");
            string[] arg2 = str2.Split(';');
            char[] result2 = new char[arg2.Length];
            string strKaitongzhuangdai = "";
            for (int s1 = 0; s1 < arg2.Length - 1; s1++)
            {
                try
                {
                    result2[s1] = (char)Convert.ToInt32(str2.Substring(s1 * 6, 5), 10);
                    char xingming = result2[s1];
                    strKaitongzhuangdai = strKaitongzhuangdai + xingming.ToString();
                }
                catch
                {
                    strKaitongzhuangdai = strKaitongzhuangdai + arg2[s1].Replace(";","");
                }

            }
            return strKaitongzhuangdai;
        }

 

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