框架设计
User: 针对我当前这个框架有什么优化改进现代化的建议吗?目前太臃肿了
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User: 继续
GitHub Copilot: 你的框架结构已经具备了模块化、自动注册、反射扫描、动态中间件等能力,但确实有一些现代化和精简优化的空间。以下是一些具体建议,供你参考:
### 1. 精简属性与反射扫描- **属性标记过多**:目前每种类型都用不同的Attribute标记,建议合并部分Attribute,或用元数据(如接口、基类)替代部分Attribute,减少反射扫描的复杂度。- **反射性能**:频繁反射会影响启动性能。可以考虑用`Source Generator`(C# 9+)在编译期生成注册代码,减少运行时反射。
### 2. 依赖注入现代化- **简化注册**:利用`Scrutor`等第三方库,支持基于约定的批量注册(如`AddClasses().AsImplementedInterfaces()`),减少手写注册代码。- **生命周期管理**:统一服务生命周期,避免属性和注册方式混乱。
### 3. 配置与环境管理- **配置分层**:将配置文件按环境(dev/prod)和功能(数据库、缓存、认证)拆分,利用`IOptions<T>`绑定配置,提升类型安全。- **配置热更新**:可集成`Microsoft.Extensions.Configuration.AzureAppConfiguration`等支持配置热更新。
### 4. 中间件与管道- **中间件顺序**:可用`IStartupFilter`或`WebApplicationBuilder`的`Configure`链式API,替代自定义OrderBy属性排序。- **中间件自动发现**:可用`IMiddleware`接口+DI自动注入,减少自定义Attribute。
### 5. 模块化与插件化- **模块隔离**:每个模块用独立的`IServiceCollection`扩展方法注册,主程序只调用`AddModuleXxx()`,减少主程序复杂度。- **插件机制**:可引入`MEF`或`AssemblyLoadContext`,支持热插拔和动态加载。
### 6. 代码结构与可维护性- **分层清晰**:Domain、Application、Infrastructure、Web分层,职责单一。- **减少静态变量**:如`LingYanRuntimeManager`中的静态属性,建议用依赖注入管理,提升可测试性。
### 7. 现代化技术栈- **最小API**:.NET 6+支持Minimal API,适合轻量级服务。- **记录类型/模式匹配**:用`record`和`switch`表达式简化DTO和业务分支。- **异步化**:所有IO操作(如配置读取、数据库、缓存)都用`async/await`。
### 8. 日志与监控- **结构化日志**:集成`Serilog`、`OpenTelemetry`,支持分布式追踪。- **健康检查**:集成`AspNetCore.HealthChecks`,自动暴露健康端点。
---
如需具体代码示例或某一部分的详细重构建议,可以告知你关注的模块或痛点,我可以进一步细化。
User: 那你给我写出来优化升级后的,主要是采用现代化设计模式,目前我这个框架是我新手期写的,太臃肿小白了
GitHub Copilot: 你的代码已经实现了自动注册、模块化、反射扫描等功能,但确实存在“臃肿”“小白”风格,现代化不足。下面给你一个**现代化、精简、易维护**的.NET 6+/7/8风格的框架主干设计思路和代码示例,重点采用**约定优于配置、依赖注入、特性精简、模块解耦、最小API、编译期注册**等现代设计理念。
---
## 1. 精简Attribute设计
将服务、管理器、实例等注册合并为一个统一的特性,减少反射扫描复杂度。
````csharpusing Microsoft.Extensions.DependencyInjection;
namespace LingYanAspCoreFramework.Attributes{ [AttributeUsage(AttributeTargets.Class, Inherited = false)] public class AutoRegisterAttribute : Attribute { public ServiceLifetime Lifetime { get; } public Type? ServiceType { get; }
public AutoRegisterAttribute(ServiceLifetime lifetime = ServiceLifetime.Transient, Type? serviceType = null) { Lifetime = lifetime; ServiceType = serviceType; } }}````
---
## 2. 约定优于配置的自动注册
用反射+约定,自动注册所有带有`AutoRegisterAttribute`的类型。
````csharpusing Microsoft.Extensions.DependencyInjection;using System.Reflection;using LingYanAspCoreFramework.Attributes;
namespace LingYanAspCoreFramework.Extensions{ public static class ServiceCollectionExtensions { public static IServiceCollection AddAutoRegisteredServices(this IServiceCollection services, params Assembly[] assemblies) { var types = assemblies.SelectMany(a => a.GetTypes()) .Where(t => t.GetCustomAttribute<AutoRegisterAttribute>() != null && !t.IsAbstract && !t.IsInterface);
foreach (var type in types) { var attr = type.GetCustomAttribute<AutoRegisterAttribute>()!; var serviceType = attr.ServiceType ?? type.GetInterfaces().FirstOrDefault() ?? type; switch (attr.Lifetime) { case ServiceLifetime.Singleton: services.AddSingleton(serviceType, type); break; case ServiceLifetime.Scoped: services.AddScoped(serviceType, type); break; default: services.AddTransient(serviceType, type); break; } } return services; } }}````
---
## 3. 模块化与插件化
每个业务模块只需实现一个接口或基类,自动发现并初始化。
````csharpnamespace LingYanAspCoreFramework.Modules{ public interface IModule { void Register(IServiceCollection services, IConfiguration config); void Init(IServiceProvider provider); }}````
模块自动注册:
````csharpusing LingYanAspCoreFramework.Modules;using Microsoft.Extensions.DependencyInjection;using Microsoft.Extensions.Configuration;using System.Reflection;
namespace LingYanAspCoreFramework.Extensions{ public static class ModuleExtensions { public static void AddModules(this IServiceCollection services, IConfiguration config, params Assembly[] assemblies) { var modules = assemblies.SelectMany(a => a.GetTypes()) .Where(t => typeof(IModule).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface) .Select(t => (IModule)Activator.CreateInstance(t)!);
foreach (var module in modules) { module.Register(services, config); } // 可将modules存入全局,启动时调用Init } }}````
---
## 4. 最小API与中间件现代化
- 用最小API注册路由,减少Controller臃肿。- 中间件采用IMiddleware+DI自动注入。
````csharpvar builder = WebApplication.CreateBuilder(args);
// 自动注册服务builder.Services.AddAutoRegisteredServices(AppDomain.CurrentDomain.GetAssemblies());// 自动注册模块builder.Services.AddModules(builder.Configuration, AppDomain.CurrentDomain.GetAssemblies());
var app = builder.Build();
// 自动注册中间件foreach (var middleware in app.Services.GetServices<IMiddleware>()){ app.UseMiddleware(middleware.GetType());}
// 最小API示例app.MapGet("/health", () => Results.Ok("Healthy"));
app.Run();````
---
## 5. 配置与环境
- 配置用`IOptions<T>`绑定,支持热更新。- 环境变量、配置分层,推荐用`appsettings.{env}.json`。
---
## 6. 其他建议
- 日志用Serilog/OpenTelemetry,结构化日志。- 健康检查、Swagger、认证授权都用官方包,配置简洁。- 反射只在启动时用,运行时避免。- 业务代码分层清晰,Domain/Application/Infrastructure/Web。
---
## 总结
你的框架可以升级为:- **统一特性注册**,减少Attribute数量- **自动发现与注册**,用反射+约定- **模块化解耦**,每个模块只需实现IModule- **最小API与现代中间件**,精简入口- **配置与依赖注入**,全程IOptions和DI
如需完整项目骨架或某一部分详细代码,可继续指定!
User: 我注册了很多呀,还有数据库,仓储,工作单元,using Essensoft.Paylink.Alipay;using Essensoft.Paylink.WeChatPay;using LingYanAspCoreFramework.BaseRoots;using LingYanAspCoreFramework.Converts;using LingYanAspCoreFramework.Events;using LingYanAspCoreFramework.Helpers;using LingYanAspCoreFramework.Https;using LingYanAspCoreFramework.Models;using LingYanAspCoreFramework.Models.WeChat;using LingYanAspCoreFramework.OnlinePays;using LingYanAspCoreFramework.SampleRoots;using LingYanAspCoreFramework.UnitOfWork;using LingYanAspCoreFramework.UnitOfWorks;using LingYanAspCoreFramework.WeChatDevs;using Microsoft.AspNetCore.Builder;using Microsoft.AspNetCore.Mvc;using Microsoft.AspNetCore.StaticFiles;using Microsoft.Extensions.Caching.Memory;using Microsoft.Extensions.Configuration;using Microsoft.Extensions.DependencyInjection;using Microsoft.Extensions.FileProviders;using Microsoft.Extensions.Hosting;using Microsoft.Extensions.Logging;using Microsoft.Extensions.Options;using Microsoft.OpenApi;using Newtonsoft.Json;using NLog.Web;using System.Text.RegularExpressions;
namespace LingYanAspCoreFramework.Extensions{ public static class IocExtension { /// <summary> /// 初始化模块 /// </summary> /// <param name="ModuleBaseLoadingList"></param> /// <param name="web"></param> private static void InitModules(this IEnumerable<object> ModuleBaseLoadingList, object web) { foreach (var module in ModuleBaseLoadingList) { //模块整体注册 SampleLoggerHelper.WarnrningLog($"{module.GetType().Name}模块初始化"); //方法 var method = module.GetType().GetMethod("BInitializationModule"); //参数 var parameters = web.GetInstanceParameters(method.GetParameters()); method.Invoke(module, parameters); } }
/// <summary> /// 注册项目模块+附带注册服务 /// </summary> public static void AppRegisterProjectModule<THostBuilder>(this THostBuilder Hostbuilder) { try {
SampleLoggerHelper.DefaultLog("配置初始化"); LingYanRuntimeManager.Init(); SampleLoggerHelper.DefaultLog("配置系统appsettings.json"); SampleHelper.SysAppsettings = Hostbuilder.GetPropertyValue<ConfigurationManager>("Configuration"); SampleLoggerHelper.DefaultLog("归纳项目模块"); LingYanRuntimeManager.RuntimeCacheModel.GetModules(); SampleLoggerHelper.DefaultLog("获取容器"); var BuilderService = Hostbuilder.GetBuilderServiceCollection(); SampleLoggerHelper.DefaultLog("添加返回压缩"); BuilderService.AddResponseCompression(); SampleLoggerHelper.DefaultLog("添加跨域策略"); var originPattern = @"^(http|https)://[a-zA-Z0-9.-]+(:[0-9]{1,5})?$"; if (LingYanRuntimeManager.CrossDomains == null) { SampleLoggerHelper.WarnrningLog("未配置跨域,允许所有跨域"); BuilderService.AddCors(c => c.AddPolicy("AllowAll", p => p.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod())); } else if (LingYanRuntimeManager.CrossDomains.Length == 0) { SampleLoggerHelper.WarnrningLog("配置跨域但数量为0,允许所有跨域"); BuilderService.AddCors(c => c.AddPolicy("AllowAll", p => p.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod())); } else if (LingYanRuntimeManager.CrossDomains.Any(a => a.Trim().Equals("*"))) { SampleLoggerHelper.WarnrningLog("配置跨域但其中一个为\"*\",允许所有跨域"); BuilderService.AddCors(c => c.AddPolicy("AllowAll", p => p.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod())); } else if (LingYanRuntimeManager.CrossDomains.Any(a => !Regex.IsMatch(a.Trim(), originPattern, RegexOptions.IgnoreCase))) { SampleLoggerHelper.WarnrningLog("配置跨域有格式异常"); foreach (var item in LingYanRuntimeManager.CrossDomains) { if (string.IsNullOrWhiteSpace(item.Trim())) { SampleLoggerHelper.WarnrningLog($"检测到空值: \"{item.Trim()}\""); continue; } if (!Regex.IsMatch(item.Trim(), originPattern, RegexOptions.IgnoreCase)) { SampleLoggerHelper.WarnrningLog($"检测到格式错误: \"{item.Trim()}\""); } } } else { SampleLoggerHelper.DefaultLog($"配置下列主机允许跨域:\r\n{string.Join("\r\n", LingYanRuntimeManager.CrossDomains)}"); BuilderService.AddCors(c => c.AddPolicy(SampleHelper.CrossPolicy, p => p.WithOrigins(LingYanRuntimeManager.CrossDomains).AllowAnyHeader().AllowAnyMethod().AllowCredentials())); } SampleLoggerHelper.DefaultLog("添加API端点"); BuilderService.AddEndpointsApiExplorer(); SampleLoggerHelper.DefaultLog("添加SignalR"); BuilderService.AddSignalR(); SampleLoggerHelper.DefaultLog("添加本地MemoryCache缓存"); BuilderService.AddSingleton<IMemoryCache, MemoryCache>(); SampleLoggerHelper.DefaultLog("控制器注册全局过滤器+注册id-JSON转换器long<==>string"); BuilderService.AddControllers(mvcOption => { LingYanRuntimeManager.RuntimeCacheModel.ModuleFiler.ForEach(filer => { mvcOption.Filters.Add(filer); }); }).AddNewtonsoftJson(options => { options.SerializerSettings.Converters.Add(new LongToStringConverter()); options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; }); //LoggerHelper.DefaultLog("配置全局转换JsonSerializerSettings"); //JsonSerializerSettings globalSettings = new JsonSerializerSettings //{ // Converters = new List<JsonConverter> { new LongToStringConverter() }, // ReferenceLoopHandling = ReferenceLoopHandling.Ignore //}; SampleLoggerHelper.DefaultLog("添加安全定义"); BuilderService.AddSwaggerGen(swaggerGenOption => { //接口文档分组 swaggerGenOption.SwaggerDoc("v1", new OpenApiInfo { Title = $"标题:{SampleProjectHelper.GetProjectName()}", Version = "版本:v1", Description = "描述:基于ASP.NET Core开发的一套后端框架", Contact = new OpenApiContact { Name = "开发者:纪元", Email = "邮箱:2072047623@qq.com", Url = new Uri("https://www.lingyanspace.com") }, License = new OpenApiLicense { Name = "协议:MIT", Url = new Uri("https://gitee.com/www-lingyanspace-com/lingyanaspcoreframework/blob/master/LICENSE") }, TermsOfService = new Uri("https://gitee.com/www-lingyanspace-com/lingyanaspcoreframework/blob/master/README.md") }); //注解配置 #region if (File.Exists(SampleHelper.BaseDir.GetLocalUrl(SampleProjectHelper.GetProjectName() + ".xml"))) { var projectXmlFiles = Directory.GetFiles(SampleHelper.BaseDir, "*.xml", SearchOption.TopDirectoryOnly); foreach (var item in projectXmlFiles) { swaggerGenOption.IncludeXmlComments(item, true); } } #endregion //接口排序 swaggerGenOption.OrderActionsBy(apiDescription => apiDescription.HttpMethod); //添加JWT认证方式 swaggerGenOption.AddSecurityDefinition(SampleHelper.BearerScheme, new OpenApiSecurityScheme { Description = "格式:Bearer {Token}", Name = "Authorization", In = ParameterLocation.Header, Type = SecuritySchemeType.Http, BearerFormat = "Jwt", Scheme = "Bearer", }); //安全要求 var openApiSecurityRequirementFunc = new Func<OpenApiDocument, OpenApiSecurityRequirement>(arg => { //ReferenceType.SecurityScheme var openApiSecurityRequirement = new OpenApiSecurityRequirement { { new OpenApiSecuritySchemeReference(SampleHelper.BearerScheme), [] } }; return openApiSecurityRequirement; }); swaggerGenOption.AddSecurityRequirement(openApiSecurityRequirementFunc); }); SampleLoggerHelper.DefaultLog("注册授权处理器"); BuilderService.RegisterAuthorzeHandler(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册JWT鉴权-授权对应策略"); BuilderService.RegisterAuthenticationAndAuthorization(SampleHelper.BearerScheme, SampleHelper.EmpowerPolicy, LingYanRuntimeManager.JwtModel, () => new BaseAuthorizationRequirement(BuilderService.BuildServiceProvider().CreateScope())); SampleLoggerHelper.DefaultLog("HttpContext上下文的访问"); BuilderService.AddHttpContextAccessor(); SampleLoggerHelper.DefaultLog("容器注册官方通用服务"); if (Hostbuilder is WebApplicationBuilder web) { SampleLoggerHelper.DefaultLog("日志清除自带并添加Nlog日志配置"); web.Logging.ClearProviders(); web.Logging.AddNLog(LingYanRuntimeManager.CommonConfigModel.NlogConfig); } SampleLoggerHelper.DefaultLog("注册仓储与工作单元"); BuilderService.RegisterRepository(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册领域Manager"); BuilderService.RegisterManager(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册服务TService"); BuilderService.RegisterTService(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册实例"); BuilderService.RegisterTInstance(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册数据库上下文"); BuilderService.RegisterDbContext(LingYanRuntimeManager.RuntimeCacheModel);
SampleLoggerHelper.DefaultLog("注册Redis"); BuilderService.RegisterRedis(LingYanRuntimeManager.RuntimeCacheModel); SampleLoggerHelper.DefaultLog("注册动态路由"); BuilderService.RegisterDynamicWebApi();
SampleLoggerHelper.DefaultLog("注册HttpClient"); BuilderService.AddHttpClient(); SampleLoggerHelper.DefaultLog("注册LingYanHttpClient"); BuilderService.AddSingleton<PollyHttpClient>();
SampleLoggerHelper.DefaultLog("注册支付宝包"); BuilderService.AddAlipay(); SampleLoggerHelper.DefaultLog("注册微信支付包"); BuilderService.AddWeChatPay();
SampleLoggerHelper.DefaultLog("配置文件扩展类型"); BuilderService.Configure<FileExtensionContentTypeProvider>(option => { foreach (var item in LingYanRuntimeManager.FileContentTypeConfig) { option.Mappings[item.Key] = item.Value; } }); SampleLoggerHelper.DefaultLog("配置模型参数验证"); BuilderService.Configure<ApiBehaviorOptions>(options => { options.InvalidModelStateResponseFactory = actionContext => { var errors = actionContext.ModelState .Where(e => e.Value.Errors.Count > 0) .SelectMany(e => e.Value.Errors) .Select(e => e.ErrorMessage) .ToList(); var errorMessage = string.Join("|", errors); throw new CommonException(new ResponceBody(43000, errorMessage)); }; }); SampleLoggerHelper.DefaultLog("配置表单"); BuilderService.ConfigureFormSize(); SampleLoggerHelper.DefaultLog("配置支付宝"); BuilderService.Configure<AlipayOptions>(SampleHelper.LingAppsettings.GetSection("Alipay")); SampleLoggerHelper.DefaultLog("配置微信支付"); BuilderService.Configure<WeChatPayOptions>(SampleHelper.LingAppsettings.GetSection("WeChatPay")); SampleLoggerHelper.DefaultLog("配置微信开放平台"); BuilderService.Configure<WeChatDevOption>(SampleHelper.LingAppsettings.GetSection("WeChatDevOption"));
SampleLoggerHelper.DefaultLog("注册分页数组"); BuilderService.AddTransient(typeof(IPagedList<>), typeof(PagedList<>)); SampleLoggerHelper.DefaultLog("注册本地事件总线"); BuilderService.AddSingleton<IEventAggregator, EventAggregator>(); SampleLoggerHelper.DefaultLog("注册支付方法"); BuilderService.AddSingleton<IOnlinePayment, OnlinePayment>(); SampleLoggerHelper.DefaultLog("注册微信开放平台服务"); BuilderService.AddSingleton<IWeChatDevService, WeChatDevService>(); SampleLoggerHelper.DefaultLog("注册项目模块"); Hostbuilder.RegisterModule(LingYanRuntimeManager.RuntimeCacheModel); } catch (Exception ex) { throw new CommonException(new ResponceBody(60000, ex.Message), ex); } }
/// <summary> /// 初始化项目模块+附带初始化服务 /// </summary> public static void AppInitializationProjectModule<THost>(this THost app,params string[] ports) { try { var hostService = app.GetBuilderServiceProvider(); var contentTypeProvider = hostService.GetService<IOptions<FileExtensionContentTypeProvider>>()?.Value; SampleLoggerHelper.WarnrningLog($"全局初始化开始"); if (app is WebApplication web) { SampleLoggerHelper.WarnrningLog($"启用Swagger中间件和可视化界面"); if (web.Environment.IsDevelopment()) { web.UseDeveloperExceptionPage(); } else { web.UseExceptionHandler("/Error"); web.UseHsts(); } SampleLoggerHelper.WarnrningLog($"启用HTTPS重定向中间件"); web.UseHttpsRedirection(); if (web.Environment.IsDevelopment() || LingYanRuntimeManager.ShowSwaggerUI) { web.UseSwagger(); web.UseSwaggerUI(); } SampleLoggerHelper.WarnrningLog($"启用异常统一处理中间件"); web.UseMiddleware<SampleCommonExceptionMiddleware>(); SampleLoggerHelper.WarnrningLog($"响应压缩"); web.UseResponseCompression(); SampleLoggerHelper.WarnrningLog($"启用路由中间件"); web.UseRouting(); SampleLoggerHelper.WarnrningLog($"启用跨域策略"); web.UseCors(SampleHelper.CrossPolicy); SampleLoggerHelper.WarnrningLog($"启用鉴权中间件"); web.UseAuthentication(); SampleLoggerHelper.WarnrningLog($"启用授权中间件"); web.UseAuthorization(); SampleLoggerHelper.WarnrningLog($"启用自定义中间件"); web.UseOrderedMiddleware(); SampleLoggerHelper.WarnrningLog($"项目各模块初始化"); LingYanRuntimeManager.RuntimeCacheModel.ModuleAssemblyBaseLoadingKeyValue.Values.InitModules(app); SampleLoggerHelper.WarnrningLog($"启用全局开启身份验证"); web.MapControllers().RequireAuthorization(); SampleLoggerHelper.WarnrningLog($"启用静态文件夹-自定义中间件以灵活的实现鉴权授权"); web.UseStaticFiles(new StaticFileOptions { ContentTypeProvider = contentTypeProvider, FileProvider = new PhysicalFileProvider(SampleHelper.BaseDir.GetLocalPath(SampleHelper.AuthorDir)), RequestPath = $"/{LingYanRuntimeManager.CommonConfigModel.AuthorDir}" }); web.UseStaticFiles(new StaticFileOptions { ContentTypeProvider = contentTypeProvider, FileProvider = new PhysicalFileProvider(SampleHelper.BaseDir.GetLocalPath(SampleHelper.UnAuthorDir)), RequestPath = $"/{LingYanRuntimeManager.CommonConfigModel.UnAuthorDir}" }); SampleLoggerHelper.WarnrningLog($"配置服务启动监听端口"); if (ports!=null&ports.Count()>0) { foreach (var port in ports) { web.Urls.Add(port); } } else { foreach (var port in LingYanRuntimeManager.ListeningPorts) { web.Urls.Add(port); } } } } catch (Exception ex) { throw new CommonException(new ResponceBody(60000, ex.Message), ex); } } }}还有这一对的呢呀,你那个特性只能注入正常的服务呀
GitHub Copilot: 你的担忧很对,现代化框架不仅要自动注册普通服务,还要支持数据库上下文、仓储、工作单元、第三方包、配置、事件、支付等多种类型的注册。下面给你一个**现代化、可扩展的注册方案**,兼容你的需求,并且结构更清晰、易维护。
---
## 1. 采用“模块化+约定注册”设计
每个业务/基础模块实现一个`IModule`接口,模块内部自己注册各种服务(DbContext、仓储、第三方包等),主程序只负责发现和调用模块。
````csharpnamespace LingYanAspCoreFramework.Modules{ public interface IModule { void Register(IServiceCollection services, IConfiguration config); void Init(IServiceProvider provider); }}````
---
## 2. 典型模块实现(举例)
````csharpusing Microsoft.Extensions.DependencyInjection;using Microsoft.Extensions.Configuration;using LingYanAspCoreFramework.UnitOfWork;using LingYanAspCoreFramework.UnitOfWorks;
namespace LingYanAspCoreFramework.Modules{ public class RepositoryModule : IModule { public void Register(IServiceCollection services, IConfiguration config) { // 仓储与工作单元注册 services.AddScoped<IUnitOfWork, UnitOfWork>(); services.AddScoped(typeof(IRepository<>), typeof(Repository<>)); // 其他仓储相关注册... }
public void Init(IServiceProvider provider) { // 可选:初始化逻辑 } }}````
---
## 3. 数据库模块实现(举例)
````csharpusing Microsoft.Extensions.DependencyInjection;using Microsoft.Extensions.Configuration;using Microsoft.EntityFrameworkCore;
namespace LingYanAspCoreFramework.Modules{ public class DbModule : IModule { public void Register(IServiceCollection services, IConfiguration config) { var connStr = config.GetConnectionString("Default"); services.AddDbContext<MyDbContext>(options => options.UseSqlServer(connStr)); }
public void Init(IServiceProvider provider) { // 可选:数据库迁移等 } }}````
---
## 4. 统一自动发现与注册
````csharpusing Microsoft.Extensions.DependencyInjection;using Microsoft.Extensions.Configuration;using System.Reflection;using LingYanAspCoreFramework.Modules;
namespace LingYanAspCoreFramework.Extensions{ public static class ModuleExtensions { public static void AddAllModules(this IServiceCollection services, IConfiguration config, params Assembly[] assemblies) { var modules = assemblies.SelectMany(a => a.GetTypes()) .Where(t => typeof(IModule).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface) .Select(t => (IModule)Activator.CreateInstance(t)!);
foreach (var module in modules) { module.Register(services, config); } // 可存modules到全局,启动时调用Init }
public static void InitAllModules(this IServiceProvider provider, params Assembly[] assemblies) { var modules = assemblies.SelectMany(a => a.GetTypes()) .Where(t => typeof(IModule).IsAssignableFrom(t) && !t.IsAbstract && !t.IsInterface) .Select(t => (IModule)provider.GetService(t) ?? Activator.CreateInstance(t)!);
foreach (var module in modules) { module.Init(provider); } } }}````
---
## 5. Program.cs 极简入口
````csharp// Program.csvar builder = WebApplication.CreateBuilder(args);
// 自动注册所有模块(包括服务、仓储、数据库、支付、事件等)builder.Services.AddAllModules(builder.Configuration, typeof(Program).Assembly);
var app = builder.Build();
// 初始化所有模块app.Services.InitAllModules(typeof(Program).Assembly);
app.MapControllers();app.Run();````
---
## 6. 其他类型注册
- 普通服务:用`AutoRegisterAttribute`或直接在模块里注册。- 第三方包(如支付/Redis/HttpClient):在对应模块里注册。- 配置:用`IOptions<T>`绑定,模块里`services.Configure<T>(config.GetSection("xxx"))`。- 事件/中间件/过滤器:都可以在模块里注册。
---
## 7. 优势
- **所有注册都在模块内部完成,主程序极简。**- **每种类型注册都能灵活扩展,不受特性限制。**- **支持数据库、仓储、第三方包、配置、事件等所有类型。**- **易于维护和扩展,符合现代.NET最佳实践。**
---
如需更详细的模块拆分、具体注册代码或迁移建议,可继续提问!
User: 你用设计模式呢?把那二三十种设计模式在我的框架里面用一边,让我学习下
GitHub Copilot: 你的框架已经有了模块化、自动注册、反射等基础,但“设计模式”是面向对象编程的通用思想,并不是每个地方都要强行用。**设计模式的精髓是“合适的地方用合适的模式”,不是“全覆盖”**。不过,为了学习和演示,我可以帮你梳理如何在你的框架中合理地引入常见的设计模式,并给出典型代码片段和应用场景。
---
## 1. 单例模式(Singleton)
**场景**:全局唯一对象,如配置、日志、事件总线、缓存等。
```csharp// 你的 LingYanRuntimeManager 就是单例模式的典型应用internal static class LingYanRuntimeManager{ // 静态属性,全局唯一 internal static RuntimeCacheModel RuntimeCacheModel { get; set; } // ...}```
---
## 2. 工厂模式(Factory/AbstractFactory)
**场景**:对象创建解耦,常用于仓储、服务、DbContext等。
```csharp// 仓储工厂public interface IRepositoryFactory{ IRepository<T> Create<T>() where T : class;}public class RepositoryFactory : IRepositoryFactory{ public IRepository<T> Create<T>() where T : class => new Repository<T>();}```
---
## 3. 策略模式(Strategy)
**场景**:支付、鉴权、缓存、序列化等可切换算法。
```csharp// 支付策略public interface IPaymentStrategy { void Pay(); }public class AlipayStrategy : IPaymentStrategy { public void Pay() { /*...*/ } }public class WeChatPayStrategy : IPaymentStrategy { public void Pay() { /*...*/ } }
public class PaymentContext{ private IPaymentStrategy _strategy; public PaymentContext(IPaymentStrategy strategy) { _strategy = strategy; } public void ExecutePay() => _strategy.Pay();}```
---
## 4. 装饰器模式(Decorator)
**场景**:AOP、缓存、日志、权限等横切关注点。
```csharp// 服务装饰器public class LoggingRepositoryDecorator<T> : IRepository<T>{ private readonly IRepository<T> _inner; public LoggingRepositoryDecorator(IRepository<T> inner) { _inner = inner; } public void Add(T entity) { Console.WriteLine("日志:添加实体"); _inner.Add(entity); }}```
---
## 5. 观察者模式(Observer)
**场景**:事件总线、领域事件、消息通知。
```csharppublic interface IEventAggregator{ void Subscribe<T>(Action<T> handler); void Publish<T>(T eventData);}```
---
## 6. 责任链模式(Chain of Responsibility)
**场景**:中间件、请求处理管道、过滤器。
```csharp// ASP.NET Core 的中间件本身就是责任链模式public class CustomMiddleware{ private readonly RequestDelegate _next; public CustomMiddleware(RequestDelegate next) { _next = next; } public async Task Invoke(HttpContext context) { // 前处理 await _next(context); // 后处理 }}```
---
## 7. 适配器模式(Adapter)
**场景**:第三方库集成、接口兼容。
```csharp// 适配第三方支付public class AlipayAdapter : IPaymentStrategy{ private readonly AlipayService _alipay; public AlipayAdapter(AlipayService alipay) { _alipay = alipay; } public void Pay() => _alipay.DoPay();}```
---
## 8. 代理模式(Proxy)
**场景**:远程调用、缓存、权限、延迟加载。
```csharppublic class RepositoryProxy<T> : IRepository<T>{ private readonly IRepository<T> _inner; public RepositoryProxy(IRepository<T> inner) { _inner = inner; } public void Add(T entity) { // 权限校验 _inner.Add(entity); }}```
---
## 9. 命令模式(Command)
**场景**:任务队列、事件、撤销/重做。
```csharppublic interface ICommand { void Execute(); }public class CreateOrderCommand : ICommand { public void Execute() { /*...*/ } }public class CommandInvoker{ private readonly List<ICommand> _commands = new(); public void AddCommand(ICommand cmd) => _commands.Add(cmd); public void ExecuteAll() { foreach (var cmd in _commands) cmd.Execute(); }}```
---
## 10. 模板方法模式(Template Method)
**场景**:模块基类、流程控制、钩子。
```csharppublic abstract class BaseModule{ public void RegisterModule() { PreRegister(); DoRegister(); PostRegister(); } protected virtual void PreRegister() { } protected abstract void DoRegister(); protected virtual void PostRegister() { }}```
---
## 11. 生成器模式(Builder)
**场景**:复杂对象构建,如配置、SQL、Http请求。
```csharppublic class DbContextBuilder{ private string _connStr; public DbContextBuilder UseSqlServer(string connStr) { _connStr = connStr; return this; } public MyDbContext Build() => new MyDbContext(_connStr);}```
---
## 12. 享元模式(Flyweight)
**场景**:缓存、对象池、配置复用。
```csharppublic class DbContextPool{ private readonly Dictionary<string, MyDbContext> _pool = new(); public MyDbContext Get(string connStr) { if (!_pool.ContainsKey(connStr)) _pool[connStr] = new MyDbContext(connStr); return _pool[connStr]; }}```
---
## 13. 组合模式(Composite)
**场景**:菜单、树形结构、模块组合。
```csharppublic interface IModuleComponent { void Init(); }public class ModuleGroup : IModuleComponent{ private readonly List<IModuleComponent> _children = new(); public void Add(IModuleComponent child) => _children.Add(child); public void Init() { foreach (var c in _children) c.Init(); }}```
---
## 14. 备忘录模式(Memento)
**场景**:快照、撤销、配置回滚。
```csharppublic class ConfigMemento { public string State { get; set; } }public class ConfigOriginator{ public string State { get; set; } public ConfigMemento Save() => new ConfigMemento { State = State }; public void Restore(ConfigMemento m) => State = m.State;}```
---
## 15. 状态模式(State)
**场景**:订单状态、流程引擎、认证状态。
```csharppublic interface IOrderState { void Handle(OrderContext ctx); }public class PaidState : IOrderState { public void Handle(OrderContext ctx) { /*...*/ } }public class OrderContext{ public IOrderState State { get; set; } public void Request() => State.Handle(this);}```
---
## 16. 访问者模式(Visitor)
**场景**:对象结构遍历、代码生成、数据导出。
```csharppublic interface IModuleVisitor { void Visit(BaseModule module); }public class ModulePrinter : IModuleVisitor { public void Visit(BaseModule module) { /*...*/ } }```
---
## 17. 解释器模式(Interpreter)
**场景**:表达式解析、规则引擎、SQL解析。
```csharppublic interface IExpression { int Interpret(); }public class NumberExpression : IExpression { public int Value; public int Interpret() => Value; }```
---
## 18. 中介者模式(Mediator)
**场景**:模块通信、事件聚合、解耦。
```csharppublic interface IMediator { void Send(string message, object sender); }public class ModuleMediator : IMediator { /*...*/ }```
---
## 19. 桥接模式(Bridge)
**场景**:抽象与实现分离,如不同数据库、不同支付。
```csharppublic interface IDbImplementor { void Connect(); }public class SqlServerImplementor : IDbImplementor { public void Connect() { /*...*/ } }public class DbBridge{ private IDbImplementor _impl; public DbBridge(IDbImplementor impl) { _impl = impl; } public void Connect() => _impl.Connect();}```
---
## 20. 原型模式(Prototype)
**场景**:对象克隆、配置模板。
```csharppublic interface IPrototype<T> { T Clone(); }public class ConfigPrototype : IPrototype<ConfigPrototype>{ public string Value; public ConfigPrototype Clone() => (ConfigPrototype)this.MemberwiseClone();}```
---
## 21. 命令链/管道模式(Pipeline)
**场景**:请求处理、过滤器链。
```csharppublic interface IPipelineStep { void Process(RequestContext ctx); }public class AuthStep : IPipelineStep { public void Process(RequestContext ctx) { /*...*/ } }```
---
## 22. 外观模式(Facade)
**场景**:简化复杂子系统,如支付、缓存、消息。
```csharppublic class PaymentFacade{ public void PayByAlipay() { /*...*/ } public void PayByWeChat() { /*...*/ }}```
---
## 23. 数据访问对象模式(DAO)
**场景**:数据持久化,仓储层。
```csharppublic interface IUserDao { User Get(int id); }public class UserDao : IUserDao { public User Get(int id) { /*...*/ } }```
---
## 24. 依赖注入模式(DI)
**场景**:你的整个框架都在用!
```csharp// 通过 IServiceCollection 注册和注入services.AddScoped<IUserService, UserService>();```
---
## 25. 发布-订阅模式(Pub/Sub)
**场景**:事件、消息、通知。
```csharppublic class EventBus{ public event Action<string> OnMessage; public void Publish(string msg) => OnMessage?.Invoke(msg);}```
---
## 26. 领域驱动设计(DDD)相关模式
- **聚合根(Aggregate Root)**:你的 BaseEntity、仓储等- **领域服务(Domain Service)**:Manager 层- **值对象(Value Object)**:如 Money、Address
---
## 27. 其它常用模式
- **空对象模式(Null Object)**:避免 null 判断- **对象池模式(Object Pool)**:DbContext、连接池- **延迟加载(Lazy Load)**:属性懒加载
---
## 总结
你的框架已经天然用到了**单例、工厂、责任链、观察者、依赖注入、模板方法、装饰器、策略、适配器、外观、仓储、领域服务**等设计模式。 **建议**: - 不要强行“全覆盖”,而是理解每种模式的适用场景,按需用在合适的地方。 - 你可以挑选上面感兴趣的模式,深入学习和在你的业务中实践。
如需某个具体模式的详细实现或在你框架中的最佳实践代码,欢迎继续提问!
User: 不要用静态的,全部的设计模式给我用一遍,然后说明哪些可以用什么设计模式来实践
GitHub Copilot: 好的,下面我用**非静态**(全部用实例对象和依赖注入),结合你的业务场景,给出常见设计模式的实践建议和典型代码片段,并说明哪些地方适合用什么设计模式。
---
## 1. 单例模式(Singleton)
**实践场景**:全局唯一服务(如配置、事件总线、缓存等),用依赖注入的`AddSingleton`实现。
```csharp
public interface IAppConfig { string Get(string key); }
public class AppConfig : IAppConfig
{
public string Get(string key) => "value";
}
// 注册
services.AddSingleton<IAppConfig, AppConfig>();
```
---
## 2. 工厂方法/抽象工厂(Factory/AbstractFactory)
**实践场景**:仓储、支付、DbContext等对象的创建。
```csharp
public interface IRepositoryFactory
{
IRepository<T> Create<T>() where T : class;
}
public class RepositoryFactory : IRepositoryFactory
{
private readonly IServiceProvider _provider;
public RepositoryFactory(IServiceProvider provider) { _provider = provider; }
public IRepository<T> Create<T>() where T : class => _provider.GetRequiredService<IRepository<T>>();
}
// 注册
services.AddScoped<IRepositoryFactory, RepositoryFactory>();
```
---
## 3. 策略模式(Strategy)
**实践场景**:支付、鉴权、序列化等可切换算法。
```csharp
public interface IPaymentStrategy { void Pay(); }
public class AlipayStrategy : IPaymentStrategy { public void Pay() { /*...*/ } }
public class WeChatPayStrategy : IPaymentStrategy { public void Pay() { /*...*/ } }
public class PaymentContext
{
private readonly IPaymentStrategy _strategy;
public PaymentContext(IPaymentStrategy strategy) { _strategy = strategy; }
public void ExecutePay() => _strategy.Pay();
}
// 注册
services.AddTransient<IPaymentStrategy, AlipayStrategy>();
services.AddTransient<PaymentContext>();
```
---
## 4. 装饰器模式(Decorator)
**实践场景**:AOP、日志、缓存、权限。
```csharp
public class LoggingRepository<T> : IRepository<T>
{
private readonly IRepository<T> _inner;
public LoggingRepository(IRepository<T> inner) { _inner = inner; }
public void Add(T entity) { Console.WriteLine("日志"); _inner.Add(entity); }
}
// 注册
services.Decorate(typeof(IRepository<>), typeof(LoggingRepository<>)); // 需用Scrutor等库
```
---
## 5. 观察者模式(Observer)
**实践场景**:事件总线、领域事件。
```csharp
public interface IEventHandler<T> { void Handle(T evt); }
public class EventBus
{
private readonly IEnumerable<IEventHandler<object>> _handlers;
public EventBus(IEnumerable<IEventHandler<object>> handlers) { _handlers = handlers; }
public void Publish<T>(T evt)
{
foreach (var h in _handlers.OfType<IEventHandler<T>>()) h.Handle(evt);
}
}
// 注册
services.AddSingleton<EventBus>();
```
---
## 6. 责任链模式(Chain of Responsibility)
**实践场景**:中间件、请求处理管道。
```csharp
public interface IHandler { Task Handle(RequestContext ctx); }
public class AuthHandler : IHandler
{
private readonly IHandler _next;
public AuthHandler(IHandler next) { _next = next; }
public async Task Handle(RequestContext ctx) { /*...*/ await _next.Handle(ctx); }
}
// 注册链
services.AddTransient<IHandler, AuthHandler>();
```
---
## 7. 适配器模式(Adapter)
**实践场景**:第三方支付、缓存、消息队列等接口适配。
```csharp
public class AlipayAdapter : IPaymentStrategy
{
private readonly AlipayService _alipay;
public AlipayAdapter(AlipayService alipay) { _alipay = alipay; }
public void Pay() => _alipay.DoPay();
}
// 注册
services.AddTransient<IPaymentStrategy, AlipayAdapter>();
```
---
## 8. 代理模式(Proxy)
**实践场景**:权限、缓存、远程调用。
```csharp
public class RepositoryProxy<T> : IRepository<T>
{
private readonly IRepository<T> _inner;
public RepositoryProxy(IRepository<T> inner) { _inner = inner; }
public void Add(T entity) { /*权限校验*/ _inner.Add(entity); }
}
// 注册
services.Decorate(typeof(IRepository<>), typeof(RepositoryProxy<>));
```
---
## 9. 命令模式(Command)
**实践场景**:任务队列、事件、撤销。
```csharp
public interface ICommand { void Execute(); }
public class CreateOrderCommand : ICommand { public void Execute() { /*...*/ } }
public class CommandInvoker
{
private readonly IEnumerable<ICommand> _commands;
public CommandInvoker(IEnumerable<ICommand> commands) { _commands = commands; }
public void ExecuteAll() { foreach (var cmd in _commands) cmd.Execute(); }
}
// 注册
services.AddTransient<ICommand, CreateOrderCommand>();
```
---
## 10. 模板方法模式(Template Method)
**实践场景**:模块基类、流程控制。
```csharp
public abstract class BaseModule
{
public void RegisterModule()
{
PreRegister();
DoRegister();
PostRegister();
}
protected virtual void PreRegister() { }
protected abstract void DoRegister();
protected virtual void PostRegister() { }
}
```
---
## 11. 生成器模式(Builder)
**实践场景**:复杂对象构建,如配置、SQL、Http请求。
```csharp
public class DbContextBuilder
{
private string _connStr;
public DbContextBuilder UseSqlServer(string connStr) { _connStr = connStr; return this; }
public MyDbContext Build() => new MyDbContext(_connStr);
}
```
---
## 12. 享元模式(Flyweight)
**实践场景**:缓存、对象池。
```csharp
public class DbContextPool
{
private readonly Dictionary<string, MyDbContext> _pool = new();
public MyDbContext Get(string connStr)
{
if (!_pool.ContainsKey(connStr))
_pool[connStr] = new MyDbContext(connStr);
return _pool[connStr];
}
}
```
---
## 13. 组合模式(Composite)
**实践场景**:菜单、树形结构、模块组合。
```csharp
public interface IModuleComponent { void Init(); }
public class ModuleGroup : IModuleComponent
{
private readonly List<IModuleComponent> _children = new();
public void Add(IModuleComponent child) => _children.Add(child);
public void Init() { foreach (var c in _children) c.Init(); }
}
```
---
## 14. 备忘录模式(Memento)
**实践场景**:快照、撤销、配置回滚。
```csharp
public class ConfigMemento { public string State { get; set; } }
public class ConfigOriginator
{
public string State { get; set; }
public ConfigMemento Save() => new ConfigMemento { State = State };
public void Restore(ConfigMemento m) => State = m.State;
}
```
---
## 15. 状态模式(State)
**实践场景**:订单状态、流程引擎。
```csharp
public interface IOrderState { void Handle(OrderContext ctx); }
public class PaidState : IOrderState { public void Handle(OrderContext ctx) { /*...*/ } }
public class OrderContext
{
public IOrderState State { get; set; }
public void Request() => State.Handle(this);
}
```
---
## 16. 访问者模式(Visitor)
**实践场景**:对象结构遍历、代码生成。
```csharp
public interface IModuleVisitor { void Visit(BaseModule module); }
public class ModulePrinter : IModuleVisitor { public void Visit(BaseModule module) { /*...*/ } }
```
---
## 17. 解释器模式(Interpreter)
**实践场景**:表达式解析、规则引擎。
```csharp
public interface IExpression { int Interpret(); }
public class NumberExpression : IExpression { public int Value; public int Interpret() => Value; }
```
---
## 18. 中介者模式(Mediator)
**实践场景**:模块通信、事件聚合。
```csharp
public interface IMediator { void Send(string message, object sender); }
public class ModuleMediator : IMediator { /*...*/ }
```
---
## 19. 桥接模式(Bridge)
**实践场景**:抽象与实现分离,如不同数据库、不同支付。
```csharp
public interface IDbImplementor { void Connect(); }
public class SqlServerImplementor : IDbImplementor { public void Connect() { /*...*/ } }
public class DbBridge
{
private IDbImplementor _impl;
public DbBridge(IDbImplementor impl) { _impl = impl; }
public void Connect() => _impl.Connect();
}
```
---
## 20. 原型模式(Prototype)
**实践场景**:对象克隆、配置模板。
```csharp
public interface IPrototype<T> { T Clone(); }
public class ConfigPrototype : IPrototype<ConfigPrototype>
{
public string Value;
public ConfigPrototype Clone() => (ConfigPrototype)this.MemberwiseClone();
}
```
---
## 21. 管道/过滤器模式(Pipeline/Filter)
**实践场景**:请求处理、过滤器链。
```csharp
public interface IPipelineStep { void Process(RequestContext ctx); }
public class AuthStep : IPipelineStep { public void Process(RequestContext ctx) { /*...*/ } }
```
---
## 22. 外观模式(Facade)
**实践场景**:简化复杂子系统,如支付、缓存、消息。
```csharp
public class PaymentFacade
{
private readonly IPaymentStrategy _alipay;
private readonly IPaymentStrategy _wechat;
public PaymentFacade(IPaymentStrategy alipay, IPaymentStrategy wechat)
{
_alipay = alipay; _wechat = wechat;
}
public void PayByAlipay() => _alipay.Pay();
public void PayByWeChat() => _wechat.Pay();
}
```
---
## 23. 数据访问对象模式(DAO)
**实践场景**:数据持久化,仓储层。
```csharp
public interface IUserDao { User Get(int id); }
public class UserDao : IUserDao { public User Get(int id) { /*...*/ } }
```
---
## 24. 依赖注入模式(DI)
**实践场景**:你的整个框架都在用!
```csharp
// 通过 IServiceCollection 注册和注入
services.AddScoped<IUserService, UserService>();
```
---
## 25. 发布-订阅模式(Pub/Sub)
**实践场景**:事件、消息、通知。
```csharp
public class EventBus
{
public event Action<string> OnMessage;
public void Publish(string msg) => OnMessage?.Invoke(msg);
}
```
---
## 26. 领域驱动设计(DDD)相关模式
- **聚合根(Aggregate Root)**:你的 BaseEntity、仓储等
- **领域服务(Domain Service)**:Manager 层
- **值对象(Value Object)**:如 Money、Address
---
## 27. 空对象模式(Null Object)
**实践场景**:避免 null 判断。
```csharp
public class NullLogger : ILogger
{
public void Log(string msg) { /* 什么都不做 */ }
}
```
---
## 28. 对象池模式(Object Pool)
**实践场景**:DbContext、连接池。
```csharp
public class DbContextPool
{
private readonly Queue<MyDbContext> _pool = new();
public MyDbContext Rent() => _pool.Count > 0 ? _pool.Dequeue() : new MyDbContext();
public void Return(MyDbContext ctx) => _pool.Enqueue(ctx);
}
```
---
## 29. 延迟加载(Lazy Load)
**实践场景**:属性懒加载。
```csharp
public class User
{
private Lazy<List<Order>> _orders;
public User(Func<List<Order>> orderFactory)
{
_orders = new Lazy<List<Order>>(orderFactory);
}
public List<Order> Orders => _orders.Value;
}
```
---
## 30. 组合应用建议
- **仓储层**:工厂、装饰器、代理、DAO、单例、对象池
- **服务层**:策略、模板方法、领域服务、状态、命令
- **中间件**:责任链、装饰器、管道
- **事件/消息**:观察者、发布-订阅、中介者
- **第三方集成**:适配器、桥接、外观
- **配置/缓存**:单例、享元、备忘录、原型
- **模块化**:组合、模板方法、访问者
---
### 总结
- 你可以在**仓储、服务、事件、支付、配置、模块、管道**等各层灵活实践上述设计模式。
- 推荐用依赖注入和实例对象,避免静态。
- 设计模式不是越多越好,而是要理解其思想,按需组合。
如需某个模式的详细实现或在你框架中的最佳实践代码,欢迎继续提问!