文字转拼音与简写

引用的插件为微软的  Microsoft.International.Converters.PinYinConverter

在NuGet中查找 PinYinConverter

public class PingYinModel
{
    public List<string> TotalPingYin = new List<string>();
    public List<string> FirstPingYin = new List<string>();
}

public ActionResult About()
{
    //ViewBag.Message = "Your application description page.";
    PingYinModel pingyins = GetTotalPingYin("银行,（孢）");

    ViewBag.pinyins = "银行,（孢） <br/>";
    ViewBag.pinyins += "全拼音：" + String.Join(",", pingyins.TotalPingYin) + "<br/>";
    ViewBag.pinyins += "首音：" + String.Join(",", pingyins.FirstPingYin);
    return View();
}
public static PingYinModel GetTotalPingYin(string str)
{
    var chs = str.ToCharArray();
    //记录每个汉字的全拼
    Dictionary<int, List<string>> totalPingYins = new Dictionary<int, List<string>>();
    for (int i = 0; i < chs.Length; i++)
    {
        var pinyins = new List<string>();
        var ch = chs[i];
        //是否是有效的汉字
        if (ChineseChar.IsValidChar(ch))
        {
            ChineseChar cc = new ChineseChar(ch);
            pinyins = cc.Pinyins.Where(p => !string.IsNullOrWhiteSpace(p)).ToList();
        }
        else
        {
            pinyins.Add(ch.ToString());
        }

        //去除声调，转小写
        pinyins = pinyins.ConvertAll(p => Regex.Replace(p, @"d", "").ToLower());
        //去重
        pinyins = pinyins.Where(p => !string.IsNullOrWhiteSpace(p)).Distinct().ToList();
        if (pinyins.Any())
        {
            totalPingYins[i] = pinyins;
        }
    }
    PingYinModel result = new PingYinModel();
    foreach (var pinyins in totalPingYins)
    {
        var items = pinyins.Value;
        if (result.TotalPingYin.Count <= 0)
        {
            result.TotalPingYin = items;
            result.FirstPingYin = items.ConvertAll(p => p.Substring(0, 1)).Distinct().ToList();
        }
        else
        {
            //全拼循环匹配
            var newTotalPingYins = new List<string>();
            foreach (var totalPingYin in result.TotalPingYin)
            {
                newTotalPingYins.AddRange(items.Select(item => totalPingYin + item));
            }
            newTotalPingYins = newTotalPingYins.Distinct().ToList();
            result.TotalPingYin = newTotalPingYins;

            //首字母循环匹配
            var newFirstPingYins = new List<string>();
            foreach (var firstPingYin in result.FirstPingYin)
            {
                newFirstPingYins.AddRange(items.Select(item => firstPingYin + item.Substring(0, 1)));
            }
            newFirstPingYins = newFirstPingYins.Distinct().ToList();
            result.FirstPingYin = newFirstPingYins;
        }
    }
    return result;
}

 效果图