update package

Attributes/AesBodyAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using SimApi.ModelBinders;
+
+namespace SimApi.Attributes;
+
+[AttributeUsage(AttributeTargets.Parameter)]
+public class AesBodyAttribute : ModelBinderAttribute
+{
+    public Type KeyProvider { get; set; } = typeof(AesBodyProviderBase);
+    public override BindingSource BindingSource => BindingSource.Body;
+
+    public AesBodyAttribute()
+    {
+        // 指定使用自定义的模型绑定器
+        BinderType = typeof(AesBodyModelBinder);
+        Name = KeyProvider.FullName;
+    }
+}

Attributes/SimApiSignAttribute.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc.Filters;
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.DependencyInjection;
+using SimApi.Exceptions;
+using SimApi.Helpers;
+using SimApi.ModelBinders;
+
+namespace SimApi.Attributes;
+
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
+public class SimApiSignAttribute : ActionFilterAttribute
+{
+    public Type KeyProvider { get; set; } = typeof(SimApiSignProviderBase);
+
+    public override void OnActionExecuting(ActionExecutingContext context)
+    {
+        if (context.HttpContext.RequestServices.GetService(KeyProvider) is not SimApiSignProviderBase keyProvider)
+        {
+            throw new SimApiException(400, "未配置签名器");
+        }
+
+        string? appId = null;
+        if (!string.IsNullOrEmpty(keyProvider.AppIdName))
+        {
+            appId = context.HttpContext.Request.Query[keyProvider.AppIdName]
+                .FirstOrDefault() ?? context.HttpContext.Request.Headers[keyProvider.AppIdName]
+                .FirstOrDefault();
+
+            if (string.IsNullOrEmpty(appId))
+            {
+                throw new SimApiException(400, $"获取{keyProvider.AppIdName}失败");
+            }
+        }
+
+        // 4. 通过接口获取密钥（解耦的核心：不再直接依赖数据库）
+        var key = keyProvider.GetKey(appId);
+        if (string.IsNullOrEmpty(key))
+        {
+            throw new SimApiException(400, "获取签名KEY失败");
+        }
+
+        var timestamp = context.HttpContext.Request.Query[keyProvider.TimestampName]
+            .FirstOrDefault() ?? context.HttpContext.Request.Headers[keyProvider.TimestampName]
+            .FirstOrDefault();
+        if (string.IsNullOrEmpty(timestamp))
+        {
+            throw new SimApiException(400, $"{keyProvider.TimestampName}不能为空");
+        }
+
+        var nonce = context.HttpContext.Request.Query[keyProvider.NonceName]
+            .FirstOrDefault() ?? context.HttpContext.Request.Headers[keyProvider.NonceName]
+            .FirstOrDefault();
+        if (string.IsNullOrEmpty(nonce))
+        {
+            throw new SimApiException(400, $"{keyProvider.NonceName}不能为空");
+        }
+
+        if (!int.TryParse(timestamp, out var ts))
+        {
+            throw new SimApiException(400, $"{keyProvider.TimestampName}格式错误");
+        }
+
+        if (keyProvider.QueryExpires != 0)
+        {
+            if (ts > SimApiUtil.TimestampNow + 2)
+            {
+                throw new SimApiException(400, "请校准本地时间");
+            }
+
+            if (ts + keyProvider.QueryExpires < SimApiUtil.TimestampNow)
+            {
+                throw new SimApiException(400, "请求已过期");
+            }
+
+            if (keyProvider.DuplicateRequestProtection)
+            {
+                var cache = context.HttpContext.RequestServices.GetRequiredService<IDistributedCache>();
+                if (cache.GetString("SignQuery:" + nonce) == null)
+                {
+                    cache.SetString("SignQuery:" + nonce, timestamp, new DistributedCacheEntryOptions()
+                    {
+                        SlidingExpiration = TimeSpan.FromSeconds(keyProvider.QueryExpires + 2)
+                    });
+                }
+                else
+                {
+                    throw new SimApiException(400, "重复请求");
+                }
+            }
+        }
+
+        var signStr = string.Empty;
+        foreach (var item in keyProvider.SignFields)
+        {
+            signStr += $"{item}=";
+            signStr += context.HttpContext.Request.Query[item]
+                .FirstOrDefault() ?? context.HttpContext.Request.Headers[item]
+                .FirstOrDefault();
+            signStr += "&";
+        }
+
+        if (!string.IsNullOrEmpty(keyProvider.AppIdName))
+        {
+            signStr += $"{keyProvider.AppIdName}={appId}&";
+        }
+
+        signStr += $"{keyProvider.TimestampName}={ts}&{keyProvider.NonceName}={nonce}&{key}";
+        var sign = context.HttpContext.Request.Query[keyProvider.SignName]
+            .FirstOrDefault() ?? context.HttpContext.Request.Headers[keyProvider.SignName]
+            .FirstOrDefault();
+        if (SimApiUtil.Md5(signStr) != sign)
+        {
+            throw new SimApiException(400, "签名错误");
+        }
+    }
+}

Communications/SimApiLoginItem.cs

@@ -7,7 +7,7 @@ namespace SimApi.Communications;
 /// </summary>
 public class SimApiLoginItem
 {
-    public string Id { get; set; } = null!;
+    public required string Id { get; set; }
     public string[] Type { get; set; } = ["user"];
     public Dictionary<string, string> Meta { get; set; } = [];
     public object? Extra { get; set; }

Configurations/SimApiJobOptions.cs

@@ -4,13 +4,30 @@ public class SimApiJobOptions
 {
     /// <summary>
     /// WebUi地址,设置为null表示不启用
+    /// 默认 /jobs
     /// </summary>
     public string? DashboardUrl { get; set; } = "/jobs";
 
+    /// <summary>
+    /// webui 用户
+    /// 默认 admin
+    /// </summary>
     public string DashboardAuthUser { get; set; } = "admin";
+
+    /// <summary>
+    /// webui 密码
+    /// 默认 Admin@123!
+    /// </summary>
     public string DashboardAuthPass { get; set; } = "Admin@123!";
+
+    /// <summary>
+    /// 设置为null 使用默认redis配置
+    /// </summary>
     public string? RedisConfiguration { get; set; }
 
+    /// <summary>
+    /// 设置为null 使用默认redis配置
+    /// </summary>
     public int? Database { get; set; } = null;
     public SimApiJobServerConfig[] Servers { get; set; } = [new()];
 }

Helpers/SimApiHttpClient.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Json;
+using SimApi.Communications;
+
+namespace SimApi.Helpers;
+
+public class SimApiHttpClient(string? appId, string appKey)
+{
+    public string SignName { get; init; } = "sign";
+    public string TimestampName { get; init; } = "timestamp";
+    public string NonceName { get; init; } = "nonce";
+    public string? AppIdName { get; init; } = "appId";
+    public string[] SignFields { get; init; } = [];
+
+
+    public T? SignQuery<T>(string url, object body, Dictionary<string, string>? queries = null)
+    {
+        var queryUrl = SignFields.Aggregate(string.Empty,
+            (current, signField) => current + $"{signField}={queries?[signField]}&");
+        if (!string.IsNullOrEmpty(AppIdName))
+        {
+            queryUrl += $"{AppIdName}={appId}&";
+        }
+
+        queryUrl += $"{TimestampName}={(int)SimApiUtil.TimestampNow}&{NonceName}={Guid.NewGuid()}";
+        var signStr = $"{queryUrl}&{appKey}";
+        var path = $"{url}?{queryUrl}&{SignName}={SimApiUtil.Md5(signStr)}";
+
+        if (queries != null)
+        {
+            path = queries.Where(q => !SignFields.Contains(q.Key))
+                .Aggregate(path, (current, q) => current + $"&{q.Key}={q.Value}");
+        }
+
+        var http = new HttpClient();
+        var resp = http.PostAsJsonAsync(path, body).Result;
+        return resp.Content.ReadFromJsonAsync<T>().Result;
+    }
+
+    public T? AesQuery<T>(string url, object body)
+    {
+        if (!string.IsNullOrEmpty(AppIdName))
+        {
+            url += $"?{AppIdName}={appId}";
+        }
+
+        var req = new SimApiOneFieldRequest<string>
+        {
+            Data = SimApiAesUtil.Encrypt(SimApiUtil.Json(body), appKey)
+        };
+        var http = new HttpClient();
+        var resp = http.PostAsJsonAsync(url, req).Result;
+        return resp.Content.ReadFromJsonAsync<T>().Result;
+    }
+
+    public T? AesSignQuery<T>(string url, object body, Dictionary<string, string>? queries = null)
+    {
+        var req = new SimApiOneFieldRequest<string>
+        {
+            Data = SimApiAesUtil.Encrypt(SimApiUtil.Json(body), appKey)
+        };
+        return SignQuery<T>(url, req, queries);
+    }
+}

Helpers/SimApiJobWebAuth.cs

@@ -11,7 +11,7 @@ public class SimApiJobWebAuth(string user, string pass) : IDashboardAuthorizatio
     public bool Authorize(DashboardContext context)
     {
         var httpContext = context.GetHttpContext();
-        var authHeader = httpContext.Request.Headers["Authorization"].FirstOrDefault();
+        var authHeader = httpContext.Request.Headers.Authorization.FirstOrDefault();
         if (authHeader != null && authHeader.StartsWith("Basic "))
         {
             var encodedUsernamePassword = authHeader.Split(' ', 2, StringSplitOptions.RemoveEmptyEntries)[1].Trim();

Middlewares/SimApiExceptionMiddleware.cs

@@ -24,16 +24,19 @@ public class SimApiExceptionMiddleware(RequestDelegate next, ILogger<SimApiExcep
         try
         {
             await next(context);
-            switch (context.Response.StatusCode)
+            if (!context.Response.HasStarted)
             {
-                case 200:
+                switch (context.Response.StatusCode)
-                case 301:
+                {
-                case 302:
+                    case 200:
-                    break;
+                    case 301:
-                case 404:
+                    case 302:
-                    throw new SimApiException(context.Response.StatusCode, "请求的接口不存在");
+                        break;
-                default:
+                    case 404:
-                    throw new SimApiException(context.Response.StatusCode);
+                        throw new SimApiException(context.Response.StatusCode, "请求的接口不存在");
+                    default:
+                        throw new SimApiException(context.Response.StatusCode);
+                }
             }
         }
         catch (SimApiException ex)

ModelBinders/AesBodyModelBinder.cs

@@ -0,0 +1,106 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using SimApi.Communications;
+using SimApi.Helpers;
+
+namespace SimApi.ModelBinders;
+
+public class AesBodyModelBinder : IModelBinder
+{
+    public async Task BindModelAsync(ModelBindingContext bindingContext)
+    {
+        var request = bindingContext.HttpContext.Request;
+        request.EnableBuffering();
+        using var reader = new StreamReader(request.Body, leaveOpen: true);
+        var requestBody = await reader.ReadToEndAsync();
+        request.Body.Position = 0;
+
+        if (string.IsNullOrEmpty(requestBody))
+        {
+            bindingContext.ModelState.AddModelError("", "请求体不能为空");
+            bindingContext.Result = ModelBindingResult.Failed();
+            return;
+        }
+
+        SimApiOneFieldRequest<string>? aesRequest;
+        try
+        {
+            aesRequest = JsonSerializer.Deserialize<SimApiOneFieldRequest<string>>(requestBody, SimApiUtil.JsonOption);
+        }
+        catch (JsonException ex)
+        {
+            bindingContext.ModelState.AddModelError("", $"请求体格式错误：{ex.Message}");
+            bindingContext.Result = ModelBindingResult.Failed();
+            return;
+        }
+
+        if (aesRequest == null || string.IsNullOrEmpty(aesRequest.Data))
+        {
+            bindingContext.ModelState.AddModelError("", "请求体缺少密文Data字段");
+            bindingContext.Result = ModelBindingResult.Failed();
+            return;
+        }
+
+        // 3. 根据配置获取appId（参考上一节代码）
+        var keyProvider =
+            bindingContext.HttpContext.RequestServices.GetService(Type.GetType(bindingContext.BinderModelName!)!) as
+                AesBodyProviderBase;
+        string? appId = null;
+        if (!string.IsNullOrEmpty(keyProvider!.AppIdName))
+        {
+            appId = bindingContext.HttpContext.Request.Query[keyProvider.AppIdName]
+                .FirstOrDefault() ?? bindingContext.HttpContext.Request.Headers[keyProvider.AppIdName]
+                .FirstOrDefault();
+
+            if (string.IsNullOrEmpty(appId))
+            {
+                bindingContext.ModelState.AddModelError("",
+                    $"未找到{keyProvider.AppIdName}");
+                bindingContext.Result = ModelBindingResult.Failed();
+                return;
+            }
+        }
+
+        // 4. 通过接口获取密钥（解耦的核心：不再直接依赖数据库）
+        var key = keyProvider.GetKey(appId);
+        if (string.IsNullOrEmpty(key))
+        {
+            bindingContext.ModelState.AddModelError("", "获取密钥失败（应用不存在或密钥未配置）");
+            bindingContext.Result = ModelBindingResult.Failed();
+            return;
+        }
+
+        // 5. 解密和反序列化（保持原有逻辑）
+        try
+        {
+            var jsonStr = SimApiAesUtil.Decrypt(aesRequest.Data, key);
+            if (string.IsNullOrEmpty(jsonStr))
+            {
+                bindingContext.ModelState.AddModelError("", "解密失败");
+                bindingContext.Result = ModelBindingResult.Failed();
+                return;
+            }
+
+            var targetType = bindingContext.ModelType;
+            var deserializedModel = JsonSerializer.Deserialize(jsonStr, targetType, SimApiUtil.JsonOption);
+            if (deserializedModel == null)
+            {
+                bindingContext.ModelState.AddModelError("", "反序列化失败");
+                bindingContext.Result = ModelBindingResult.Failed();
+                return;
+            }
+
+            bindingContext.Result = ModelBindingResult.Success(deserializedModel);
+        }
+        catch (Exception ex)
+        {
+            bindingContext.ModelState.AddModelError("", $"处理异常：{ex.Message}");
+            bindingContext.Result = ModelBindingResult.Failed();
+        }
+    }
+}

ModelBinders/AesBodyProviderBase.cs

@@ -0,0 +1,19 @@
+using SimApi.Exceptions;
+
+namespace SimApi.ModelBinders;
+
+/// <summary>
+/// 密钥提供器接口（抽象密钥获取逻辑）
+/// </summary>
+public abstract class AesBodyProviderBase
+{
+    public virtual string? AppIdName { get; set; } = "appId";
+
+
+    /// <summary>
+    /// 根据appId获取对应的密钥
+    /// </summary>
+    /// <param name="appId">应用ID</param>
+    /// <returns>密钥（返回null表示获取失败）</returns>
+    public abstract string? GetKey(string? appId);
+}

ModelBinders/SimApiSignProviderBase.cs

@@ -0,0 +1,45 @@
+using SimApi.Exceptions;
+
+namespace SimApi.ModelBinders;
+
+public abstract class SimApiSignProviderBase
+{
+    /// <summary>
+    /// appId字段的名称
+    /// </summary>
+    public virtual string? AppIdName { get; set; } = "appId";
+
+    /// <summary>
+    /// 时间戳的字段名
+    /// </summary>
+    public virtual string TimestampName { get; set; } = "timestamp";
+
+    /// <summary>
+    /// 随机字符串的字段名
+    /// </summary>
+    public virtual string NonceName { get; set; } = "nonce";
+
+    /// <summary>
+    /// 签名的字段名
+    /// </summary>
+    public virtual string SignName { get; set; } = "sign";
+
+    /// <summary>
+    /// 请求过期时间, 如果为0, 不校验timestamp
+    /// </summary>
+    public virtual int QueryExpires { get; set; } = 5;
+
+    /// <summary>
+    /// 如果开启,必须配置redis, 每次请求将会缓存nonce
+    /// </summary>
+    public virtual bool DuplicateRequestProtection { get; set; } = true;
+
+    public virtual string[] SignFields { get; set; } = [];
+
+    /// <summary>
+    /// 根据appId获取对应的密钥
+    /// </summary>
+    /// <param name="appId">应用ID</param>
+    /// <returns>密钥（返回null表示获取失败）</returns>
+    public abstract string? GetKey(string? appId);
+}

SimApi.csproj

@@ -17,11 +17,11 @@
         <Folder Include="Exceptions\"/>
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Hangfire.AspNetCore" Version="1.8.21" />
+        <PackageReference Include="Hangfire.AspNetCore" Version="1.8.22" />
         <PackageReference Include="Hangfire.Console" Version="1.4.3"/>
         <PackageReference Include="Hangfire.Redis.StackExchange" Version="1.12.0"/>
         <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="9.0.10" />
-        <PackageReference Include="Minio" Version="6.0.5" />
+        <PackageReference Include="Minio" Version="7.0.0" />
         <PackageReference Include="MQTTnet" Version="5.0.1.1416"/>
         <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="9.0.6" />
         <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="9.0.6" />

SimApiExtensions.cs

@@ -19,6 +19,7 @@ using SimApi.Attributes;
 using SimApi.CoceSdk;
 using SimApi.Configurations;
 using SimApi.Logger;
+using SimApi.SwaggerFilters;
 
 namespace SimApi;
 
@@ -123,7 +124,10 @@ public static class SimApiExtensions
                 }
 
                 x.CustomSchemaIds(type => type.FullName?.Replace("+", "."));
-                x.OperationFilter<SimApiResponseSchemaFilter>();
+                x.OperationFilter<SimApiResponseOperationFilter>();
+                x.OperationFilter<SimApiSignOperationFilter>();
+                x.OperationFilter<AesBodyOperationFilter>();
+                x.SchemaFilter<GlobalDynamicObjectSchemaFilter>();
                 if (simApiOptions.EnableSimApiAuth)
                 {
                     x.OperationFilter<SimApiAuthOperationFilter>();
@@ -236,7 +240,6 @@ public static class SimApiExtensions
         if (simApiOptions.EnableSimApiResponseFilter)
         {
             builder.AddControllers(opt => opt.Filters.Add<SimApiResponseFilter>())
-                .AddXmlSerializerFormatters()
                 .AddJsonOptions(opt =>
                 {
                     opt.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;

SwaggerFilters/AesBodyOperationFilter.cs

@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+using System.Linq;
+using SimApi.Attributes;
+
+namespace SimApi.SwaggerFilters;
+
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System.Reflection;
+
+/// <summary>
+/// 自定义 Swagger 过滤器：将标注 [AesBody] 的参数显示在 Request Body 中
+/// </summary>
+public class AesBodyOperationFilter : IOperationFilter
+{
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        foreach (var parameter in context.ApiDescription.ParameterDescriptions)
+        {
+            var hasAesBodyAttr = parameter.ParameterInfo()
+                .GetCustomAttribute<AesBodyAttribute>() != null;
+            if (!hasAesBodyAttr) continue;
+            // 1. 移除默认的 Query 参数描述（如果存在）
+            var queryParam = operation.Parameters
+                .FirstOrDefault(p => p.Name == parameter.Name);
+            if (queryParam != null)
+            {
+                operation.Parameters.Remove(queryParam);
+            }
+
+            // 2. 添加 Body 参数描述
+            // 获取参数类型的 Schema（Swagger 模型定义）
+            var schema = context.SchemaGenerator.GenerateSchema(
+                parameter.Type,
+                context.SchemaRepository);
+
+            // 将参数添加到 Request Body
+            operation.RequestBody = new OpenApiRequestBody
+            {
+                Content = new Dictionary<string, OpenApiMediaType>
+                {
+                    {
+                        "application/json", // 假设使用 JSON 格式
+                        new OpenApiMediaType { Schema = schema }
+                    }
+                },
+                Description = "内容为加密前内容,需要转换为JSON后使用AES加密后提交,提交格式为 {\"data\":\"AES密文\"}",
+                Required = true // 标记为必填
+            };
+        }
+    }
+}

SwaggerFilters/GlobalDynamicObjectSchemaFilter.cs

@@ -0,0 +1,62 @@
+using System;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System.Collections;
+using System.Collections.Generic;
+using System.Reflection;
+using Microsoft.OpenApi.Any;
+
+namespace SimApi.SwaggerFilters;
+
+public class GlobalDynamicObjectSchemaFilter : ISchemaFilter
+{
+    public void Apply(OpenApiSchema schema, SchemaFilterContext context)
+    {
+        if (!IsDynamicObjectType(context.Type)) return;
+        schema.AdditionalPropertiesAllowed = true;
+        schema.AdditionalProperties = new OpenApiSchema
+        {
+            Type = "object", // 表示 value 可以是任意类型（兼容所有类型）
+            Nullable = true
+        };
+
+        // 2. 覆盖默认示例，使用包含多种类型的示例
+        schema.Example = CreateMultiTypeExample();
+    }
+
+    // 判断是否为需要处理的“动态对象”类型
+    private bool IsDynamicObjectType(Type? type)
+    {
+        if (type == null) return false;
+        if (typeof(IDictionary).IsAssignableFrom(type) ||
+            (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<,>)))
+        {
+            return true;
+        }
+        if (type == typeof(object))
+        {
+            return true;
+        }
+        return type.Name.Contains("AnonymousType") && type.Namespace == null;
+    }
+
+    // 创建包含多种类型的示例（覆盖默认的 string 示例）
+    private OpenApiObject CreateMultiTypeExample()
+    {
+        return new OpenApiObject
+        {
+            ["stringProp"] = new OpenApiString("example string"), // 字符串
+            ["numberProp"] = new OpenApiInteger(123), // 数字
+            ["boolProp"] = new OpenApiBoolean(true), // 布尔值
+            ["objectProp"] = new OpenApiObject // 嵌套对象
+            {
+                ["nestedKey"] = new OpenApiString("nested value")
+            },
+            ["arrayProp"] = new OpenApiArray // 数组
+            {
+                new OpenApiInteger(1),
+                new OpenApiString("two")
+            }
+        };
+    }
+}

SwaggerFilters/SimApiAuthOperationFilter.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
@@ -6,7 +5,7 @@ using Microsoft.OpenApi.Models;
 using Swashbuckle.AspNetCore.SwaggerGen;
 using SimApi.Attributes;
 
-namespace SimApi.Helpers
+namespace SimApi.SwaggerFilters
 {
     public class SimApiAuthOperationFilter : IOperationFilter
     {

SwaggerFilters/SimApiResponseOperationFilter.cs

@@ -9,9 +9,9 @@ using Microsoft.AspNetCore.Mvc;
 using SimApi.Attributes;
 using SimApi.Communications;
 
-namespace SimApi.Helpers;
+namespace SimApi.SwaggerFilters;
 
-public class SimApiResponseSchemaFilter : IOperationFilter
+public class SimApiResponseOperationFilter : IOperationFilter
 {
     public void Apply(OpenApiOperation operation, OperationFilterContext context)
     {

SwaggerFilters/SimApiSignOperationFilter.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.OpenApi.Models;
+using SimApi.Attributes;
+using SimApi.ModelBinders;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace SimApi.SwaggerFilters;
+
+public class SimApiSignOperationFilter(IServiceProvider serviceProvider) : IOperationFilter
+{
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        // 1. 检查当前方法或类是否标注了 SimApiSignAttribute 及其子类
+        var signAttribute = context.MethodInfo.GetCustomAttribute<SimApiSignAttribute>(inherit: true)
+                            ?? context.MethodInfo.DeclaringType?.GetCustomAttribute<SimApiSignAttribute>(inherit: true);
+
+        if (signAttribute == null)
+        {
+            return;
+        }
+
+        var keyProviderType = signAttribute.KeyProvider;
+        if (!typeof(SimApiSignProviderBase).IsAssignableFrom(keyProviderType))
+        {
+            throw new InvalidOperationException($"KeyProvider 必须继承自 {nameof(SimApiSignProviderBase)}");
+        }
+
+        SimApiSignProviderBase? keyProvider;
+        try
+        {
+            keyProvider =
+                serviceProvider.CreateScope().ServiceProvider.GetService(keyProviderType) as SimApiSignProviderBase;
+        }
+        catch (Exception ex)
+        {
+            throw new InvalidOperationException($"无法从 DI 容器获取 {keyProviderType.Name} 实例：{ex.Message}");
+        }
+
+        if (keyProvider == null)
+        {
+            throw new InvalidOperationException($"{keyProviderType.Name} 未在 DI 容器中注册");
+        }
+
+        var signStr = keyProvider.SignFields.Aggregate(string.Empty, (current, field) => current + $"{field}=xxx&");
+        if (!string.IsNullOrEmpty(keyProvider.AppIdName))
+        {
+            signStr += $"{keyProvider.AppIdName}=xxx&";
+        }
+
+        signStr += $"{keyProvider.TimestampName}=xxx&{keyProvider.NonceName}=xxx&签名密钥";
+
+        var signParameters = new List<(string Name, string Description, bool Required)>
+        {
+            (keyProvider.TimestampName, "时间戳（秒级）", true),
+            (keyProvider.NonceName, "随机字符串", true),
+            (keyProvider.SignName, $"MD5签名结果,签名MD5字符串: {signStr}", true)
+        };
+        if (keyProvider.AppIdName != null)
+        {
+            signParameters.Add((keyProvider.AppIdName, "应用标识", true));
+        }
+
+        signParameters.AddRange(keyProvider.SignFields.Where(x => x != keyProvider.AppIdName)
+            .Select(f => (f, string.Empty, true)));
+
+        foreach (var (name, description, required) in signParameters)
+        {
+            if (operation.Parameters?.Any(p => p.Name == name) == true)
+            {
+                var tmp = operation.Parameters?.FirstOrDefault(p => p.Name == name);
+                if (tmp != null)
+                {
+                    tmp.Required = required;
+                    tmp.Description = description;
+                }
+                continue;
+            }
+
+            operation.Parameters ??= new List<OpenApiParameter>();
+            operation.Parameters.Add(new OpenApiParameter
+            {
+                Name = name,
+                In = ParameterLocation.Query, // 指定为 Query 参数
+                Description = description,
+                Required = required,
+                Schema = new OpenApiSchema
+                {
+                    Type = "string" // 签名相关参数通常为字符串类型
+                }
+            });
+        }
+    }
+}