我刚刚进入依赖注入世界。
我有以下自定义 DbContext-
public partial class SkyTrackerContext: DbContext
{
public SkyTrackerContext(): base()
{
Database.SetInitializer(new SkyTrackerDBInitializer());
}
}
想在这个基本控制器中注入 SkyTrackerContext -
public abstract class BaseController : Controller
{
public BaseController() {}
[Inject]
public SkyTrackerContext MyDbContext { get; set; }
}
使用示例-
public class LoginController : BaseController
{
public ActionResult ValidateLogin(Login login)
{
var query = MyDbContext.Persons.Where(.....);
}
}
我应该在 NinjectWebCommon.cs 中编写什么来注入此上下文?
private static IKernel CreateKernel()
{
var kernel = new StandardKernel();
try
{
kernel.Bind<Func<IKernel>>().ToMethod(ctx => () => new Bootstrapper().Kernel);
kernel.Bind<IHttpModule>().To<HttpApplicationInitializationHttpModule>();
RegisterServices(kernel);
return kernel;
}
catch
{
kernel.Dispose();
throw;
}
}
首先,您应该避免方法注入。相反,使用构造函数注入。换句话说:
public abstract class BaseController : Controller
{
protected readonly DbContext context;
public BaseController(DbContext context)
{
this.context = context;
}
...
}
然后,就 Ninject 配置而言,它非常简单:
kernel.Bind<DbContext>().To<SkyTrackerContext>().InRequestScope();
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)