如何获取 ApiController 的所有操作列表

Question

我尝试使用此代码，但它不起作用（返回空列表）

var controllerDescriptor = new ReflectedControllerDescriptor(controller);
ActionDescriptor[] actions = controllerDescriptor.GetCanonicalActions();

Answer 1

研究了如何获取 ApiController 方法签名而不是 Controller。

        string Items = "";
        IEnumerable<Assembly> Assemblies = BuildManager.GetReferencedAssemblies().Cast<Assembly>();

        foreach (Assembly FoundAssembly in Assemblies)
        {
            string AssemblyName = FoundAssembly.FullName;
            IEnumerable<TypeInfo> Types = FoundAssembly.DefinedTypes.Where(type => type != null && type.IsPublic && type.IsClass && !type.IsAbstract && typeof(ApiController).IsAssignableFrom(type));
            foreach (TypeInfo ControllerType in Types)
            {
                System.Web.Http.Controllers.ApiControllerActionSelector ApiControllerSelection = new System.Web.Http.Controllers.ApiControllerActionSelector();
                System.Web.Http.Controllers.HttpControllerDescriptor ApiDescriptor = new System.Web.Http.Controllers.HttpControllerDescriptor(new System.Web.Http.HttpConfiguration(), ControllerType.Name, ControllerType);
                ILookup<string, System.Web.Http.Controllers.HttpActionDescriptor> ApiMappings = ApiControllerSelection.GetActionMapping(ApiDescriptor);

                foreach (var Maps in ApiMappings)
                {
                    foreach (System.Web.Http.Controllers.HttpActionDescriptor Actions in Maps)
                    {
                        Items += "[ controller=" + ControllerType.Name + " action=" + ((System.Web.Http.Controllers.ReflectedHttpActionDescriptor)(Actions)).MethodInfo + "]";
                    }
                }
            }
        }

输出：

[ controller=CarController action=System.Net.Http.HttpResponseMessage Login()]
[ controller=CarController action=Void MyCustomGet()]
[ controller=CarController action=Void MyCustomPost()]
[ controller=GenericControllerApi action=System.Net.Http.HttpResponseMessage Login()]
[ controller=ValuesController action=System.String Get()]
[ controller=ValuesController action=System.String Get(Int32)]
[ controller=ValuesController action=Void Post(System.String)]
[ controller=ValuesController action=Void Put(Int32, System.String)]
[ controller=ValuesController action=Void Delete(Int32)]
[ controller=ODataMetadataController action=Microsoft.Data.Edm.IEdmModel GetMetadata()]
[ controller=ODataMetadataController action=Microsoft.Data.OData.ODataWorkspace GetServiceDocument()]

我没有创建一个额外的控制器“ODataMetadataController”。可能由初始项目创建添加。我也没有看这是否可以简化。