我的WebApi控制器位于程序集中(自托管的OWIN应用程序或ASP应用程序)。是否可以从另一个应用程序(动态加载带有WebApi控制器的程序集)中使用ApiExplorer来生成WebApi文档?
发布于 2016-07-07 14:33:54
ApiExplorer使用GlobalConfiguration来确定可用的ApiControllers。指定外部程序集时,通常通过替换WebApi正在使用的IAssemblyResolver来执行此操作。这可以在Application_Start中完成,如下所示:
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
UnityConfig.RegisterComponents();
GlobalConfiguration.Configuration.Services.Replace(typeof(IAssembliesResolver), new AssemblyResolver());
GlobalConfiguration.Configure(WebApiConfig.Register);
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
GlobalConfiguration.Configuration.IncludeErrorDetailPolicy = IncludeErrorDetailPolicy.Always;
}
下面是AssemblyResolver的实现:
public class AssemblyResolver : System.Web.Http.Dispatcher.DefaultAssembliesResolver
{
public override ICollection<Assembly> GetAssemblies()
{
ICollection<Assembly> baseAssemblies = base.GetAssemblies();
List<Assembly> assemblies = new List<Assembly>(baseAssemblies);
var externalAssembly = typeof(MyApp.External).Assembly;
assemblies.Add(externalAssembly);
return baseAssemblies;
}
}
有人可能认为这足以让ApiExplorer拿起它,但事实并非如此。当ApiExplorer启动时,GlobalConfiguration被传递给HelpController。如果仔细查看GlobalConfiguration实例,就会发现Application_Start中受影响的更改并不存在。因此,要让ApiExplorer获取您的外部类,您可以像这样更新IAssemblyResolver:
public HelpController(HttpConfiguration config)
{
GlobalConfiguration.Configuration.Services.Replace(typeof(IAssembliesResolver), new AssemblyResolver());
Configuration = config;
}
可能有一种更干净的方法可以做到这一点,这样你就不会弄干了--但还没有找到它。当我找到这篇文章时,我会更新它。
https://stackoverflow.com/questions/32462455
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