根据用户的名字获取名字对应的拼音

 /// <summary>
        /// 根据用户的名字获取名字对应的拼音
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static string GetPinYins(string name)
        {
            StringBuilder sb = new StringBuilder();
            foreach (char c in name)
            {
                if (ChineseChar.IsValidChar(c))
                {
                    ChineseChar cc = new ChineseChar(c);
                    System.Collections.ObjectModel.ReadOnlyCollection<string> ps = cc.Pinyins;
                    sb.Append(ps[0].Substring(0, ps[0].Length - 1));
                }
                else
                {
                    sb.Append(c);
                }
            }
            return sb.ToString();
        }