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Services/Hncore.Pass.BaseInfo/Utils/PinYinHelper.cs

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+using Microsoft.International.Converters.PinYinConverter;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Hncore.Pass.BaseInfo.Common
+{
+    public class PinYinHelper
+    {
+        /*
+         两种方法共用：//优先使用NPinyin,转换失败则用 Pinyinconverter
+         NPinyin 错误集：洺(不识别)
+         Pinyinconverter 多音字错误集：广a，区o，强j。都是多音字
+         */
+        /// <summary>
+        /// 汉字转全拼
+        /// </summary>
+        /// <param name="strChinese"></param>
+        /// <returns></returns>
+        public static string ConvertToAllSpell(string strChinese)
+        {
+            try
+            {
+                if (strChinese.Length != 0)
+                {
+                    StringBuilder fullSpell = new StringBuilder();
+                    for (int i = 0; i < strChinese.Length; i++)
+                    {
+                        var chr = strChinese[i];
+                        fullSpell.Append(GetSpell(chr));
+                    }
+
+                    return fullSpell.ToString().ToUpper();
+                }
+            }
+            catch
+            {
+                return string.Empty;
+            }
+            return string.Empty;
+        }
+
+        /// <summary>
+        /// 汉字转首字母
+        /// </summary>
+        /// <param name="strChinese"></param>
+        /// <returns></returns>
+        public static string GetFirstSpell(string strChinese)
+        {
+            //NPinyin.Pinyin.GetInitials(strChinese)  有Bug  洺无法识别
+            //return NPinyin.Pinyin.GetInitials(strChinese);
+
+            try
+            {
+                if (strChinese.Length != 0)
+                {
+                    StringBuilder fullSpell = new StringBuilder();
+                    for (int i = 0; i < strChinese.Length; i++)
+                    {
+                        var chr = strChinese[i];
+                        fullSpell.Append(GetSpell(chr)[0]);
+                    }
+
+                    return fullSpell.ToString().ToUpper();
+                }
+            }
+            catch (Exception e)
+            {
+                return string.Empty;
+            }
+            return string.Empty;
+        }
+
+        /// <summary>
+        /// 汉字转拼音
+        /// </summary>
+        /// <param name="chr"></param>
+        /// <returns></returns>
+        private static string GetSpell(char chr)
+        {
+            var coverchr = NPinyin.Pinyin.GetPinyin(chr);
+            //优先使用NPinyin,转换失败则用 Pinyinconverter
+            bool isChineses = ChineseChar.IsValidChar(coverchr[0]);
+            if (isChineses)
+            {
+                ChineseChar chineseChar = new ChineseChar(coverchr[0]);
+                foreach (string value in chineseChar.Pinyins)
+                {
+                    if (!string.IsNullOrEmpty(value))
+                    {
+                        return value.Remove(value.Length - 1, 1);
+                    }
+                }
+            }
+            return coverchr;
+        }
+    }
+}