asp.net-core - 无法加载嵌入文件清单“Microsoft.Extensions.FileProviders.Embedded.Manifest.xml”ASP.NET Core 3.0
问题描述
我有一个 asp.net core 3.0 网站,我正在尝试使用 FileProvider。我根据示例创建了以下内容,但我不断收到错误消息
InvalidOperationException:无法为程序集“Test”加载嵌入文件清单“Microsoft.Extensions.FileProviders.Embedded.Manifest.xml”。
下面是我的启动课
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using IntranetPages.Shared;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Server.IISIntegration;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
namespace Test
{
public class Startup
{
private readonly IWebHostEnvironment _env;
public Startup(IWebHostEnvironment env, IConfiguration configuration)
{
Configuration = configuration;
_env = env;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddRazorPages();
services.AddAuthentication(IISDefaults.AuthenticationScheme);
services.AddTransient<IClaimsTransformation, CustomClaimsTransformer>();
services.AddSingleton<IAuthorizationHandler, CheckGroupHandler>();
var physicalProvider = _env.ContentRootFileProvider;
var manifestEmbeddedProvider =
new ManifestEmbeddedFileProvider(typeof(Program).Assembly);
var compositeProvider =
new CompositeFileProvider(physicalProvider, manifestEmbeddedProvider);
services.AddSingleton<IFileProvider>(compositeProvider);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Error");
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(endpoints => { endpoints.MapRazorPages(); });
}
}
}
我错过了什么?我尝试安装 NuGet 包,但没有任何区别。
解决方案
如果您从 ASP.NET-Core 2.x 迁移到 3.x,由于 ASP.NET-Core 3.0 及更高版本,Microsoft.NET.Sdk.Web
MSBuild SDK 不再自动包含Microsoft.Extensions.FileProviders.Embedded
NuGet 包。
Microsoft.Extensions.FileProviders.Embedded
需要明确添加。
<Project Sdk="Microsoft.NET.Sdk.Web">
...
<ItemGroup>
<PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="3.0.3" />
<!-- Or use version 3.1.2 for ASP.NET-Core 3.1 -->
</ItemGroup>
...
</Project>
对于那些没有从 2.x 迁移到 3.x 的人,不要忘记将以下内容添加到您的.csproj
:
<Project Sdk="Microsoft.NET.Sdk.Web">
...
<PropertyGroup>
<GenerateEmbeddedFilesManifest>true</GenerateEmbeddedFilesManifest>
</PropertyGroup>
...
<ItemGroup>
<EmbeddedResource Include="..." /> <!-- Add your directories and/or files here. -->
</ItemGroup>
...
</Project>
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