【ASP.NET Core】AddMvc和AddMvcCore的区别

AddMvcCore() method only adds the core MVC services.

AddMvc() method adds all the required MVC services.

AddMvc() method calls AddMvcCore() method internally.

　　AddMvcCore()更加简洁，只添加了MVC核心服务。

　　而AddMvc()添加了MVC所需要的所有组件。

　　AddMvc()内部调用了AddMvcCore()，这也就使得AddMvcCore()更加重要。

　　ASP.Net是开源项目，>github地址

　　贴出AddMvc源码会更加清楚。

public static IMvcBuilder AddMvc(this IServiceCollection services)

        {

            if (services == null)

            {

                throw new ArgumentNullException(nameof(services));

            }

            var builder = services.AddMvcCore(); // 从这里开始，都是以AddMvcCore()为基础进行添加的各种服务。

            builder.AddApiExplorer();

            builder.AddAuthorization();

            AddDefaultFrameworkParts(builder.PartManager);

            // Order added affects options setup order

            // Default framework order

            builder.AddFormatterMappings();

            builder.AddViews();

            builder.AddRazorViewEngine();

            builder.AddRazorPages();

            builder.AddCacheTagHelper();

            // +1 order

            builder.AddDataAnnotations(); // +1 order

            // +10 order

            builder.AddJsonFormatters();

            builder.AddCors();

            return new MvcBuilder(builder.Services, builder.PartManager);

        }

　　AddMvcCore源码：

 public static IMvcCoreBuilder AddMvcCore(this IServiceCollection services)

         {

             if (services == null)

             {

                 throw new ArgumentNullException(nameof(services));

             }

             var partManager = GetApplicationPartManager(services);

             services.TryAddSingleton(partManager);

             ConfigureDefaultFeatureProviders(partManager);

             ConfigureDefaultServices(services);

             AddMvcCoreServices(services);

             var builder = new MvcCoreBuilder(services, partManager);

             return builder;

         }

转自油管>ASP NET Core AddMvc vs AddMvcCore

巴特西

【ASP.NET Core】AddMvc和AddMvcCore的区别

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