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私のAsp.Net WebApiプロジェクトにIoC用のAutofacを使用しようとしています。私はAPIにシンプルなPOSTリクエストを送信しようとしていますが、無駄です。私は今これに固執しており、それを理解することはできません。ASP.NET Web APIおよびAutofac IoC。エラー:ExceptionMessage =見つかったコンストラクタが見つかりません
適切なコードを参照し、それに応じて助言してください。あなたの助けに感謝します。
public interface IEntityRepository<T> where T : class, new()
{
IQueryable<T> All { get; }
IQueryable<T> AllIncluding(params Expression<Func<T,object>>[] includeProperties);
IQueryable<T> GetAll();
//IQueryable<T> GetSingle(string entitiesID);
IQueryable<T> FindBy(Expression<Func<T, bool>> predicate);
void Add(T entity);
void Delete(T entity);
void Edit(T entity);
void Save();
PaginatedList<T> Paginate<TKey>(int pageindex, int pagesize, Expression<Func<T, TKey>> keySelector);
PaginatedList<T> Paginate<TKey>(
int pageindex, int pagesize,
Expression<Func<T, TKey>> keySelector,
Expression<Func<T, bool>> predicate,
params Expression<Func<T, object>>[] includeProperties);
}
public class EntityRepository<T> : IEntityRepository<T> where T : class, new()
{
readonly CirclesDBEntities _entitiesContext;
public EntityRepository(CirclesDBEntities entitiesContext)
{
if (entitiesContext == null)
{
throw new ArgumentNullException("entitiesContext");
}
_entitiesContext = entitiesContext;
}
public virtual IQueryable<T> GetAll()
{
return _entitiesContext.Set<T>();
}
public IQueryable<T> All
{
get { return GetAll(); }
}
public virtual IQueryable<T> AllIncluding(params Expression<Func<T, object>>[] includeProperties)
{
IQueryable<T> query = _entitiesContext.Set<T>();
foreach (var includeProperty in includeProperties)
{
query = query.Include(includeProperty);
}
return query;
}
public virtual IQueryable<T> FindBy(Expression<Func<T, bool>> predicate)
{
return _entitiesContext.Set<T>().Where(predicate);
}
public virtual PaginatedList<T> Paginate<TKey>(int pageIndex, int pageSize, Expression<Func<T, TKey>> keySelector)
{
return Paginate(pageIndex, pageSize, keySelector, null);
}
public virtual PaginatedList<T> Paginate<TKey>(
int pageIndex, int pageSize,
Expression<Func<T, TKey>> keySelector,
Expression<Func<T, bool>> predicate,
params Expression<Func<T, object>>[] includeProperties)
{
IQueryable<T> query = AllIncluding(includeProperties).OrderBy(keySelector);
query = (predicate == null) ? query : query.Where(predicate);
return query.ToPaginatedList(pageIndex, pageSize);
}
public virtual void Add(T entity)
{
DbEntityEntry dbEntityEntry = _entitiesContext.Entry<T>(entity);
_entitiesContext.Set<T>().Add(entity);
}
public virtual void Edit(T entity)
{
DbEntityEntry dbEntityEntry = _entitiesContext.Entry<T>(entity);
dbEntityEntry.State = EntityState.Modified;
}
public virtual void Delete(T entity)
{
DbEntityEntry dbEntityEntry = _entitiesContext.Entry<T>(entity);
dbEntityEntry.State = EntityState.Deleted;
}
public virtual void Save()
{
_entitiesContext.SaveChanges();
}
}
public static class TermRepository
{
public static Term GetCurrentTerm(this IEntityRepository<Term> termRepository)
{
return termRepository.GetAll().OrderByDescending(x => x.DateUploaded).FirstOrDefault(); //descending puts the most recent item on top of the stack
}
}
public class TermsService : ITermsService
{
private readonly IEntityRepository<Term> _termRepository;
public TermsService(IEntityRepository<Term> termRepository)
{
_termRepository = termRepository;
}
public Term GetMostRecentTerm()
{
Term term = _termRepository.GetCurrentTerm();
return term;
}
public bool UploadNewTerm(string newTerm)
{
Term term = new Term();
term.TermID = SetAccountID();
term.Term1 = newTerm;
term.DateUploaded = DateTime.Now;
_termRepository.Add(term);
_termRepository.Save();
return true;
}
}
public interface ITermsService
{
Term GetMostRecentTerm();
bool UploadNewTerm(string Term);
}
public static class AutofacConfig
{
public static void Initialize(HttpConfiguration config)
{
Initialize(config,
RegisterServices(new ContainerBuilder()));
}
public static void Initialize(HttpConfiguration config, IContainer container)
{
config.DependencyResolver = new AutofacWebApiDependencyResolver(container);
}
private static IContainer RegisterServices(ContainerBuilder builder)
{
builder.RegisterApiControllers(Assembly.GetExecutingAssembly());
// registration goes here
//EF DbContext
builder.RegisterType<CirclesDBEntities>()
.As<DbContext>()
.InstancePerRequest();
//Repositories
builder.RegisterGeneric(typeof(EntityRepository<>))
.As(typeof(IEntityRepository<>))
.InstancePerDependency();
//this makes it check non-public classes
//builder.RegisterGeneric(typeof(EntityRepository<>))
//.As(typeof(IEntityRepository<>))
//.InstancePerRequest().FindConstructorsWith(
//new DefaultConstructorFinder(type =>
//type.GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance)))
//.As(typeof(IEntityRepository<>));
//Services
builder.RegisterType<TermsService>()
.As<ITermsService>()
.InstancePerRequest();
return builder.Build();
}
}
public class WebApiApplication : System.Web.HttpApplication
{
protected void Application_Start()
{
//Registering routes from the WebApi.Config file
GlobalConfiguration.Configure(Config.WebApiConfig.Register);
//Registering routes from the HelpPageAreaRegistration in the areas section
GlobalConfiguration.Configure(CirclesWebApi.Areas.HelpPage.HelpPageAreaRegistration.RegisterAllAreas);
GlobalConfiguration.Configure(Config.AutofacConfig.Initialize);
}
}
public class TermsController : ApiController
{
public readonly ITermsService _termService;
public TermsController(ITermsService termService)
{
_termService = termService;
}
[HttpPost]
public HttpResponseMessage PostTerms()
{
string terms = "terms this is a new term inserted through fiddler";
if(terms != null)
{
bool created = _termService.UploadNewTerm(terms);
if (created)
{
var response = Request.CreateResponse(HttpStatusCode.Created);
return response;
}
else
return Request.CreateResponse(HttpStatusCode.InternalServerError);
}
else
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
}
}
エラー:あなたがCirclesDBEntities
を注入していますが、DbContext
として登録EntityRepository<T>
のコンストラクタで
ExceptionMessage=None of the constructors found with 'Autofac.Core.Activators.Reflection.DefaultConstructorFinder'
ありがとうございますtdragon。それはうまくいった。また、もう一つ、私は上記のようにハードコーディングではなく、私は、適切なヘッダーを使用してemptyornullの例外を取得すると反対に、フィドラーを使用してリクエストボディからデータを送信しようとすると。私はここに何か他の方法がこれについて行くために欠けている何か他にありますか?私は以下のコードを添付しています。前もって感謝します。私は[FromBody]属性も使用していますが、これはあまり役に立ちません。 – user6201138
Fiddlerからのプッシュリクエストを正確に投稿できますか?文字列パラメータを掲示することに関する何か[ここ](http://stackoverflow.com/questions/11515319/frombody-not-binding-string-parameter)があります。多分役立つでしょうか? – tdragon