【C#】文本框拼音检索汉字

• 0、中间 词组数据集合
• 1、单个汉字转换为首字母拼音
• 2、这个词组组成首字母拼音
• 3、循环匹配添加到显示数组内

        /// <summary>        
        /// 得到词组首字母     
        /// </summary>      
        /// <param name="strText"></param>      
        /// <returns></returns>          
        static public string GetChineseSpell(string strText)
        {
            int len = strText.Length;
            StringBuilder strBuilder = new StringBuilder();
            for (int i = 0; i < len; i++)
                strBuilder.Append(getLetters(strText.Substring(i, 1)));
            return strBuilder.ToString();
        }

        /// <summary>  
        /// 得到首字母  
        /// </summary>  
        /// <param name="strChar"></param>  
        /// <returns></returns>   
        public static string getLetters(string strChar)
        {
            byte[] byteLetters = Encoding.Default.GetBytes(strChar);
            if (byteLetters.Length > 1)
            {
                int first = (short)byteLetters[0];
                int second = (short)byteLetters[1];
                int code = (first << 8) + second;
                int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };
                for (int i = 0; i < 26; i++)
                {
                    int max = 55290;
                    if (i != 25) max = areacode[i + 1];
                    if (areacode[i] <= code && code < max)
                        return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });
                }
                return string.Empty;
            }
            else
                return strChar;
        }

        public void textChanged()
        {
            DataSource.Clear();
            System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex("[^a-zA-Z\r\n]+");
            if (!reg.Match(Str).Success)
            {
                //遍历ArrayList中的所有信息   
                foreach (Player obj in _dataSource)
                {
                    //获得各汉字拼音首字母缩写   
                    string strName = GetChineseSpell(obj.Name).ToLower();
                    string strTxtName = Str.ToLower();
                    //根据拼音进行匹配  
                    if (strName.Contains(strTxtName))
                    {
                        DataSource.Add(obj);
                    }
                }
                return;
            }
        }