1.首先在NuGet安装pingyinConverter

2.下载-安装-引用ChineseChar.dll到项目中

 官网了解：

 

3.直接上代码了

1 public class PinYinConverterHelp 2     { 3         public static PingYinModel GetTotalPingYin(string str) 4         { 5             var chs = str.ToCharArray(); 6             //记录每个汉字的全拼 7             Dictionary
     
      > totalPingYins = new Dictionary
      
       >(); 8             for (int i = 0; i < chs.Length; i++) 9             {10                 var pinyins = new List
       
        ();11                 var ch = chs[i];12                 //是否是有效的汉字13                 if (ChineseChar.IsValidChar(ch))14                 {15                     ChineseChar cc = new ChineseChar(ch);16                     pinyins = cc.Pinyins.Where(p => !string.IsNullOrWhiteSpace(p)).ToList();17                 }18                 else19                 {20                     pinyins.Add(ch.ToString());21                 }22 23                 //去除声调，转小写24                 pinyins = pinyins.ConvertAll(p => Regex.Replace(p, @"\d", "").ToLower());25                 //去重26                 pinyins = pinyins.Where(p => !string.IsNullOrWhiteSpace(p)).Distinct().ToList();27                 if (pinyins.Any())28                 {29                     totalPingYins[i] = pinyins;30                 }31             }32             PingYinModel result = new PingYinModel() {33                 TotalPingYin=new List
        
         (),34                 FirstPingYin=new List
         
          ()35             };36             foreach (var pinyins in totalPingYins)37             {38                 var items = pinyins.Value;39                 if (result.TotalPingYin.Count <= 0)40                 {41                     result.TotalPingYin = items;42                     result.FirstPingYin = items.ConvertAll(p => p.Substring(0, 1)).Distinct().ToList();43                 }44                 else45                 {46                     ////全拼循环匹配（根据个人需求来选择此代码）47                     //var newTotalPingYins = new List
          
           ();48 //foreach (var totalPingYin in result.TotalPingYin)49 //{50 // newTotalPingYins.AddRange(items.Select(item => totalPingYin + item));51 //}52 //newTotalPingYins = newTotalPingYins.Distinct().ToList();53 //result.TotalPingYin = newTotalPingYins;54 55 //首字母循环匹配56 var newFirstPingYins = new List
           
            ();57 foreach (var firstPingYin in result.FirstPingYin)58 {59 newFirstPingYins.AddRange(items.Select(item => firstPingYin + item.Substring(0, 1)));60 }61 newFirstPingYins = newFirstPingYins.Distinct().ToList();62 result.FirstPingYin = newFirstPingYins;63 }64 }65 return result;66 }67 68 /// 
            
69 /// 获取首字母并转换成大写70 /// 
71 /// 
            72 /// 
            73 public static string GetPingYinFirstUpper(string str)74 {75 var output = GetTotalPingYin(str);76 return string.Join("", output.FirstPingYin.ToArray()).ToUpper();77 }78 public class PingYinModel79 {80 public List
            
              TotalPingYin { get; internal set; }81 public List
             
               FirstPingYin { get; internal set; }82 }83 ｝
             
            
           
          
         
        
       
      
     

 4.不用感谢，请叫我红领巾