我正在开发一个ASP。NET MVC和Web Api 2.2应用程序。NET Framework 4.5.1和C#。
我在对http://myServer/api/Codes
:进行POST时出现此错误
尝试创建类型为的控制器时出错"CodesController"。确保控制器具有无参数公共构造函数。
我安装了以下软件包:
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Antlr" version="3.5.0.2" targetFramework="net451" />
<package id="bootstrap" version="3.3.2" targetFramework="net451" />
<package id="DotNetZip" version="1.9.3" targetFramework="net451" />
<package id="EntityFramework" version="6.1.2" targetFramework="net451" />
<package id="jQuery" version="2.1.3" targetFramework="net451" />
<package id="jQuery.Validation" version="1.13.1" targetFramework="net451" />
<package id="log4net" version="2.0.3" targetFramework="net451" />
<package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Client.es" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.Core.es" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebApi.WebHost.es" version="5.2.3" targetFramework="net451" />
<package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.jQuery.Unobtrusive.Ajax" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net451" />
<package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net451" />
<package id="Modernizr" version="2.8.3" targetFramework="net451" />
<package id="Newtonsoft.Json" version="6.0.8" targetFramework="net451" />
<package id="Ninject" version="3.2.2.0" targetFramework="net451" />
<package id="Ninject.MVC5" version="3.2.1.0" targetFramework="net451" />
<package id="Ninject.Web.Common" version="3.2.3.0" targetFramework="net451" />
<package id="Ninject.Web.Common.WebHost" version="3.2.3.0" targetFramework="net451" />
<package id="Ninject.Web.WebApi" version="3.2.4.0" targetFramework="net451" />
<package id="WebActivatorEx" version="2.0.6" targetFramework="net451" />
<package id="WebGrease" version="1.6.0" targetFramework="net451" />
</packages>
但奇怪的是,我有一个完美工作的ApiController,还有两个不工作的ApiController。
工作ApiController
构造函数:
public ExternalCodesController(
IGenericRepository<EXTERNAL_CODES> genericRepositoryECodes,
IGenericRepository<CHINA_CODES_HEADER> genericRepositoryHeader,
IGenericRepository<BATCHES> genericRepositoryBatches,
IGenericRepository<LINES> genericRepositoryLine,
IExternalCodesMapper externalCodesMapper,
IExceptionLogHelper exceptionLogger)
{
m_GenericRepositoryECodes = genericRepositoryECodes;
m_GenericRepositoryHeader = genericRepositoryHeader;
m_ExceptionLogger = exceptionLogger;
m_GenericRepositoryBatches = genericRepositoryBatches;
m_GenericRepositoryLine = genericRepositoryLine;
m_ExternalCodesMapper = externalCodesMapper;
}
ApiController
构造函数不工作:
public AggregationsController(
IGenericRepository<Data.AGGREGATIONS> repositoryAggs,
IGenericRepository<Data.AGGREGATION_CHILDS> repositoryAggChilds,
IGenericRepository<Data.CODES> repositoryCodes,
IAggregationsMapper aggregationMapper,
IAggregationChildsMapper aggChildsMapper,
IExceptionLogHelper exceptionLogger)
{
m_RepositoryAggs = repositoryAggs;
m_RepositoryAggChilds = repositoryAggChilds;
m_RepositoryCodes = repositoryCodes;
m_AggregationMapper = aggregationMapper;
m_AggChildsMapper = aggChildsMapper;
m_ExceptionLogger = exceptionLogger;
}
public CodesController(
IGenericRepository<CODES> repositoryCodes,
ICodesMapper codesMapper,
IExceptionLogHelper exceptionLogger)
{
m_RepositoryCodes = repositoryCodes;
m_CodesMapper = codesMapper;
m_ExceptionLogger = exceptionLogger;
}
你知道这个恐怖分子吗?
如果你还需要其他东西,请告诉我。
您缺少一个必需的依赖项(未注册),ninject正在级联到一个不存在的无参数构造函数。
确定缺少哪个依赖项的一种方法是从构造函数中删除参数,直到没有出现此错误。