CqImageMsgDataModel.subType 数字转 string 避免异常

src/EleCho.GoCqHttpSdk/DataStructure/Model/CqGroupModel.cs

@@ -1,7 +1,7 @@
 #pragma warning disable IDE1006 // Naming Styles
 
 
-using EleCho.GoCqHttpSdk.Action.Model.ResultData;
+using EleCho.GoCqHttpSdk.JsonConverter;
 using System.Text.Json.Serialization;
 
 namespace EleCho.GoCqHttpSdk.DataStructure.Model
@@ -62,6 +62,7 @@ public CqGroupMemberModel(long group_id, long user_id, string nickname, string c
         public string area { get; } = string.Empty;
         public int join_time { get; }
         public int last_sent_time { get; }
+        [JsonConverter(typeof(ToStringJsonConverter))]
         public string level { get; } = string.Empty;
         public string role { get; } = string.Empty;
         public bool unfriendly { get; }

src/EleCho.GoCqHttpSdk/EleCho.GoCqHttpSdk.csproj

@@ -16,6 +16,7 @@
     <PackageIcon>logo-rect.png</PackageIcon>
     <PackageTags>Go-CqHttp;go-cqhttp;gocqhttp;OneBot;SDK</PackageTags>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <ItemGroup>

src/EleCho.GoCqHttpSdk/JsonConverter/ToStringJsonConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace EleCho.GoCqHttpSdk.JsonConverter
+{
+    internal class ToStringJsonConverter : JsonConverter<string>
+    {
+        public override unsafe string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            return reader.TokenType switch
+            {
+                JsonTokenType.String => reader.GetString(),
+                JsonTokenType.Number => Encoding.UTF8.GetString((byte*)Unsafe.AsPointer(ref Unsafe.AsRef(in reader.ValueSpan[0])), reader.ValueSpan.Length),
+                JsonTokenType.True => "true",
+                JsonTokenType.False => "false",
+                _ => throw new NotSupportedException(),
+            };
+        }
+
+        public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(value);
+        }
+    }
+}

src/EleCho.GoCqHttpSdk/Message/DataModel/CqImageMsgDataModel.cs

@@ -1,5 +1,8 @@
 #pragma warning disable CS8618
 
+using System.Text.Json.Serialization;
+using EleCho.GoCqHttpSdk.JsonConverter;
+
 namespace EleCho.GoCqHttpSdk.Message.DataModel
 {
     internal record class CqImageMsgDataModel : CqMsgDataModel
@@ -21,6 +24,7 @@ public CqImageMsgDataModel(string? file, string? type, string? subType, string?
 
         public string? file { get; set; }
         public string? type { get; set; }
+        [JsonConverter(typeof(ToStringJsonConverter))]
         public string? subType { get; set; }
         public string? url { get; set; }
         public int? cache { get; set; }