Question

我使用dotnet core mvc（v3.0预览版）并使用区域来分隔应用程序的大部分独立页面。我希望将.js和.css文件也存储在area文件夹中，因此我在Startup.cs中提出了以下要求：

            app.UseStaticFiles();// wwwroot
            var areas = new string[]{"Intro", "Todo"};
            app.UseStaticFiles(new StaticFileOptions{
                FileProvider = new CompositeFileProvider( areas.Select( area =>
                    new PhysicalFileProvider(
                        Path.Combine(Directory.GetCurrentDirectory(),"Areas", area, "wwwarearoot"))
                    ).ToArray()),
                RequestPath = "/areas",
                ContentTypeProvider = new FileExtensionContentTypeProvider(
                    new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
                    {
                        { ".js", "application/javascript" },
                        { ".css", "text/css"},
                    })
            });

这允许（要求）我在文件夹Areas/Intro/wwwarearoot/和Areas/Todo/wwwarearoot/中使用js，并在~/areas/前缀下导入javascript和css。

我的问题i关于如何改进第二行，因此我实际上获得了应用程序领域，而不是拥有静态列表。

Answer 1

由于搜索此问题时找不到代码，因此这里是我得到的完整代码。

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.StaticFiles;
using Microsoft.Extensions.FileProviders;

namespace MyNamespace.Utils{
    public static class AppExtensions{
        private static IEnumerable<string> _GetAreasWithAreaRoot(){
            var cd = Directory.GetCurrentDirectory();
            var directory = new DirectoryInfo(Path.Combine(cd, "Areas"));
            var areas = directory.EnumerateDirectories();
            foreach(var area in areas){
                var wwwarearoot = area.EnumerateDirectories("wwwarearoot").FirstOrDefault();
                if(wwwarearoot != null){
                    yield return wwwarearoot.FullName;
                }
            }
        }
        public static void UseAreaStaticFiles(this IApplicationBuilder app){
            var areas = _GetAreasWithAreaRoot();
            app.UseStaticFiles(new StaticFileOptions{
                FileProvider = new CompositeFileProvider( areas.Select( areawwwroot =>
                    new PhysicalFileProvider(areawwwroot)
                ).ToArray()),
                RequestPath = "/areas",
                ContentTypeProvider = new FileExtensionContentTypeProvider(
                    new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
                    {
                        { ".js", "application/javascript" },
                        { ".css", "text/css"}
                    })
            });
        }
    }
}

我可以在Startup.cs中添加

using MyNamespace.Utils;
...
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    ...
    app.UseAreaStaticFiles(); // Areas/{area}/wwwarearoot
    ...
}

获取ASP Net Core中staticFiles中间件的区域列表

1 个答案: