Merge pull request #19472 from abpframework/liangshiwei/tosnakecase

Use the ToSnakeCase method provided by .NET8

framework/src/Volo.Abp.Core/System/AbpStringExtensions.cs

@@ -2,6 +2,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Security.Cryptography;
 using System.Text;
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using JetBrains.Annotations;
 using Volo.Abp;
@@ -352,64 +353,7 @@ public static class AbpStringExtensions
     /// <returns></returns>
     public static string ToSnakeCase(this string str)
     {
-        if (string.IsNullOrWhiteSpace(str))
-        {
-            return str;
-        }
-
-        var builder = new StringBuilder(str.Length + Math.Min(2, str.Length / 5));
-        var previousCategory = default(UnicodeCategory?);
-
-        for (var currentIndex = 0; currentIndex < str.Length; currentIndex++)
-        {
-            var currentChar = str[currentIndex];
-            if (currentChar == '_')
-            {
-                builder.Append('_');
-                previousCategory = null;
-                continue;
-            }
-
-            var currentCategory = char.GetUnicodeCategory(currentChar);
-            switch (currentCategory)
-            {
-                case UnicodeCategory.UppercaseLetter:
-                case UnicodeCategory.TitlecaseLetter:
-                    if (previousCategory == UnicodeCategory.SpaceSeparator ||
-                        previousCategory == UnicodeCategory.LowercaseLetter ||
-                        previousCategory != UnicodeCategory.DecimalDigitNumber &&
-                        previousCategory != null &&
-                        currentIndex > 0 &&
-                        currentIndex + 1 < str.Length &&
-                        char.IsLower(str[currentIndex + 1]))
-                    {
-                        builder.Append('_');
-                    }
-
-                    currentChar = char.ToLower(currentChar);
-                    break;
-
-                case UnicodeCategory.LowercaseLetter:
-                case UnicodeCategory.DecimalDigitNumber:
-                    if (previousCategory == UnicodeCategory.SpaceSeparator)
-                    {
-                        builder.Append('_');
-                    }
-                    break;
-
-                default:
-                    if (previousCategory != null)
-                    {
-                        previousCategory = UnicodeCategory.SpaceSeparator;
-                    }
-                    continue;
-            }
-
-            builder.Append(currentChar);
-            previousCategory = currentCategory;
-        }
-
-        return builder.ToString();
+        return str.IsNullOrWhiteSpace() ? str : JsonNamingPolicy.SnakeCaseLower.ConvertName(str);
     }
 
     /// <summary>