refactor(JsonEnumConverter): update namespace (#4455)

Author: ArgoZhang

src/BootstrapBlazor/Converter/JsonEnumConverter.cs

@@ -10,39 +10,20 @@ namespace BootstrapBlazor.Core.Converter;
 /// <summary>
 /// JsonEnumConverter 枚举转换器
 /// </summary>
-public class JsonEnumConverter : JsonConverterAttribute
+/// <param name="camelCase">Optional naming policy for writing enum values.</param>
+/// <param name="allowIntegerValues">True to allow undefined enum values. When true, if an enum value isn't defined it will output as a number rather than a string.</param>
+public class JsonEnumConverter(bool camelCase = false, bool allowIntegerValues = true) : JsonConverterAttribute
 {
-    /// <summary>
-    /// 构造函数
-    /// </summary>
-    /// <param name="camelCase">Optional naming policy for writing enum values.</param>
-    /// <param name="allowIntegerValues">True to allow undefined enum values. When true, if an enum value isn't defined it will output as a number rather than a string.</param>
-    public JsonEnumConverter(bool camelCase = false, bool allowIntegerValues = true)
-    {
-        _camelCase = camelCase;
-        _allowIntegerValues = allowIntegerValues;
-    }
-
-    /// <summary>
-    /// naming policy for writing enum values
-    /// </summary>
-    private readonly bool _camelCase;
-
-    /// <summary>
-    /// True to allow undefined enum values. When true, if an enum value isn't defined it will output as a number rather than a string
-    /// </summary>
-    private readonly bool _allowIntegerValues;
-
     /// <summary>
     /// <inheritdoc/>
     /// </summary>
     /// <param name="typeToConvert"></param>
     /// <returns></returns>
     public override JsonConverter? CreateConverter(Type typeToConvert)
     {
-        var converter = _camelCase
-                ? new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, _allowIntegerValues)
-                : new JsonStringEnumConverter(null, _allowIntegerValues);
+        var converter = camelCase
+                ? new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, allowIntegerValues)
+                : new JsonStringEnumConverter(null, allowIntegerValues);
         return converter;
     }
 }