加载 Razor 类库作为插件 [英] Loading Razor Class Libraries as plugins
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问题描述
在 ASP.net core 2.1 中使用 Razor 类库时,如果我添加对类库的引用,它会按预期加载控制器和视图.但问题是,如何在运行时动态加载这些模块?我想将模块放在设计时未引用的目录中,并在应用程序启动时加载它们.我尝试使用应用程序部件.但是那样,控制器会被加载,但视图不会被发现.
When using Razor Class Libraries with ASP.net core 2.1, if I add reference to the class library, it loads controllers, and views as expected. But the question is, how can I load this modules dynamically at runtime? I want to put modules at directory, which are not referenced at design time, and load them at the start up of the app. I tried to use Application Parts. But that way, controllers are loaded, but views are not discovered.
推荐答案
我完全忘记了 CompiledRazorAssemblyPart.
I had completely forgot about CompiledRazorAssemblyPart.
我们需要做的是:
services.AddMvc()
.SetCompatibilityVersion(CompatibilityVersion.Version_2_1)
.ConfigureApplicationPartManager(ConfigureApplicationParts);
并像这样配置部件
private void ConfigureApplicationParts(ApplicationPartManager apm)
{
var rootPath = HostingEnvironment.ContentRootPath;
var pluginsPath = Path.Combine(rootPath, "Plugins");
var assemblyFiles = Directory.GetFiles(pluginsPath, "*.dll", SearchOption.AllDirectories);
foreach (var assemblyFile in assemblyFiles)
{
try
{
var assembly = Assembly.LoadFile(assemblyFile);
if (assemblyFile.EndsWith(".Views.dll"))
apm.ApplicationParts.Add(new CompiledRazorAssemblyPart(assembly));
else
apm.ApplicationParts.Add(new AssemblyPart(assembly));
}
catch (Exception e) { }
}
}
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