图片中文名称转换为拼音带音调，最终复制图片到新文件夹的方法

using Microsoft.International.Converters.PinYinConverter;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Text;

namespace test
{
    class Program
    {
        /// <summary>
        /// 汉字转全拼
        /// </summary>
        /// <param name="strChinese"></param>
        /// <returns></returns>
        public static string ConvertToAllSpell(string xsource)
        {
            var pinyins = new List<string>();

            char ch;
            ChineseChar cc;
            for (int i = 0; i < xsource.Length; i++)
            {
                ch = xsource[i];

                if (ChineseChar.IsValidChar(ch))
                {
                    cc = new ChineseChar(ch);
                    pinyins.Add(cc.Pinyins.Where(p => !string.IsNullOrWhiteSpace(p)).ToList()[0]);
                }
                else
                {
                    pinyins.Add(ch.ToString());
                }

                //pinyins = pinyins.ConvertAll(p => Regex.Replace(p, @"\d", "").ToLower());
            }

            return string.Join("", pinyins).ToLower();
        }

        /// <summary>
        /// create_pinyin_img_rename(out var dic, out var arr);
        /// </summary>
        /// <param name="dic"></param>
        /// <param name="arr"></param>
        private static void create_pinyin_img_rename(out string dic, out string[] arr)
        {
            dic = @"C:\Users\Admin\Downloads\imgxxxx\";

            arr = Directory.GetFiles(dic, "*");

            foreach (var f in arr)
            {
                string x = f.Split(new[] {@"imgxxxx\"}, StringSplitOptions.None)[1].Replace(".png", "");

                x = ConvertToAllSpell(x);

                File.Copy(f, @"C:\Users\Admin\Downloads\imgxxxx\renamed\" + x + ".png");
            }
        }

        static void Main(string[] args)
        {
            
            Console.ReadKey();
        }
    }
}