Csharp: 拼音转汉字字符搜索字符串

 /// <summary>
        /// 拼音检索
        /// </summary>
        /// <param name="strText"></param>
        /// <returns></returns>
        private  string GetChineseSpell(string strText)
        {

            int len = strText.Length;

            string myStr = "";

            for (int i = 0; i < len; i++)
            {

                myStr += getSpell(strText.Substring(i, 1));

            }

            return myStr;

        }

        /// <summary>
        /// 得到汉字首字母
        /// 
        /// </summary>
        /// <param name="cnChar"></param>
        /// <returns></returns>
        private string getSpell(string cnChar)
        {

            byte[] arrCN = Encoding.Default.GetBytes(cnChar);

            if (arrCN.Length > 1)
            {

                int area = (short)arrCN[0];

                int pos = (short)arrCN[1];

                int code = (area << 8) + pos;

                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 "";

            }

            else

                return cnChar;

        }

            //以下是拼音檢索
            //涂聚文修改示例
            string[] m_list;
            m_list = new string[] { "电脑部", "财务部", "生产部","中国", "中国fgdfs", "中阿收费塗聚文的肌肤", "男中国涂聚文生", "女生中国", "女生中国", "女中生国", "女国生中", "女生国中" };

            this.listBoxControlStaValue.Items.Clear();
            listBoxControlStaValue.Visible = true;
            System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex("[^a-zA-Z\r\n]+");
            


            if (!reg.Match(textEdit1.Text.ToString()).Success)
            {
                string pattern = textEdit1.Text.Trim();
                //遍历ArrayList中的所有道路信息
                foreach (object o in m_list)
                {               
                    
                    //获得道路名称各汉字拼音首字母缩写
                    string strRoadName = GetChineseSpell(o.ToString()).ToLower();

                    string strtxtRoadName = textEdit1.Text.ToLower();
                    //1。字串任何位置的字符匹配
                    MatchCollection matches = Regex.Matches(strRoadName, pattern, RegexOptions.IgnoreCase);
                    foreach (Match nextMatch in matches)
                    {
                        int Index = nextMatch.Index;
                        string result = nextMatch.ToString();
                        listBoxControlStaValue.Items.Add(o);

                    }

                    //2。根据拼音进行匹配（利用Contain和Substring函数进行判定）只匹配最前的面第一個字母開始
                    if (strRoadName.Contains(strtxtRoadName) && strRoadName.Substring(0, strtxtRoadName.Length) == strtxtRoadName)
                    {

                        listBoxControlStaValue.Items.Add(o);
                        maxItemCount = listBoxControlStaValue.Items.Count;
                     
                    }

                }

            }

            else
            {

                //当TextBox为空时显示所有数据

      
            }