2
我有下面的代码,当我尝试并返回销售数据时返回null。它工作,如果我删除员工的其他构造函数,所以我认为这是一个构造函数注入问题。MVC 5 Unity构造器注入失败/返回空
我该如何处理这种注射?
库:位于一个单独的项目
public class CompanyRepository : ICompanyRepository, IDisposable
{
public CompanyRepository()
{
}
private readonly IEmployeeRepository _employeeRepository;
public CompanyRepository(IEmployeeRepository parameter)
{
_employeeRepository = parameter;
}
//fails never hits this
private readonly ISalesRepository _salesRepository;
public CompanyRepository(ISalesRepository parameter)
{
_salesRepository = parameter;
}
}
MVC 5控制器:
[HttpGet]
public ActionResult Create()
{
//works
var a = _CompanyRepository.GetCompanyData();
//works
var b = _CompanyRepository.GetEmployeeData();
//fails
var c = _CompanyRepository.GetSalesData();
//return view etc
}
App_Start Unity.Config
public static class UnityConfig
{
public static void RegisterComponents()
{
var container = new UnityContainer();
// register all your components with the container here
// it is NOT necessary to register your controllers
container.RegisterType<ICompanyRepository, CompanyRepository>();
//this one is failing
container.RegisterType<ICompanyRepository, CompanyRepository>(new InjectionConstructor(new ResolvedParameter<SalesRepository>()));
container.RegisterType<ICompanyRepository, CompanyRepository>(new InjectionConstructor(typeof(EmployeeRepository)));
DependencyResolver.SetResolver(new UnityDependencyResolver(container));
}
}
我只是用,但它不工作要么
container.RegisterType<ICompanyRepository, CompanyRepository>(new InjectionConstructor(typeof(SalesRepository)));
container.RegisterType<ICompanyRepository, CompanyRepository>(new InjectionConstructor(typeof(EmployeeRepository)));