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如何在 asp.net MVC 中压缩内容？

发布于 2024-09-25 01:12:39 字数 35 浏览 0 评论 0原文

如何压缩由 ASP.NET MVC 应用程序发送的输出？

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山色无中 2024-10-02 01:12:39

这是我使用的（截至目前）：

using  System.IO.Compression;

public class CompressAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {

        var encodingsAccepted = filterContext.HttpContext.Request.Headers["Accept-Encoding"];
        if (string.IsNullOrEmpty(encodingsAccepted)) return;

        encodingsAccepted = encodingsAccepted.ToLowerInvariant();
        var response = filterContext.HttpContext.Response;

        if (encodingsAccepted.Contains("deflate"))
        {
            response.AppendHeader("Content-encoding", "deflate");
            response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress);
        }
        else if (encodingsAccepted.Contains("gzip"))
        {
            response.AppendHeader("Content-encoding", "gzip");
            response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
        }
    }
}

控制器中的使用：

[Compress]
public class BookingController : BaseController
{...}

还有其他变体，但这效果很好。（顺便说一句，我在 BaseController 上使用 [压缩] 属性来保存整个项目的重复，而上面是在逐个控制器的基础上进行的。

[编辑] 如上面段落中所述。为了简化使用，您还可以在 BaseController 本身中包含 [Compress] oneshot，这样每个继承的子控制器默认都会访问该功能：

[Compress]
public class BaseController : Controller
{...}

Here's what i use (as of this monent in time):

using  System.IO.Compression;

public class CompressAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {

        var encodingsAccepted = filterContext.HttpContext.Request.Headers["Accept-Encoding"];
        if (string.IsNullOrEmpty(encodingsAccepted)) return;

        encodingsAccepted = encodingsAccepted.ToLowerInvariant();
        var response = filterContext.HttpContext.Response;

        if (encodingsAccepted.Contains("deflate"))
        {
            response.AppendHeader("Content-encoding", "deflate");
            response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress);
        }
        else if (encodingsAccepted.Contains("gzip"))
        {
            response.AppendHeader("Content-encoding", "gzip");
            response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
        }
    }
}

usage in controller:

[Compress]
public class BookingController : BaseController
{...}

there are other varients, but this works quite well. (btw, i use the [Compress] attribute on my BaseController to save duplication across the project, whereas the above is doing it on a controller by controller basis.

[Edit] as mentioned in the para above. to simplify usage, you can also include [Compress] oneshot in the BaseController itself, thereby, every inherited child controller accesses the functionality by default:

[Compress]
public class BaseController : Controller
{...}

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坦然微笑 2024-10-02 01:12:39

看看这篇文章概述了利用操作过滤器的巧妙方法。

例如：

[CompressFilter]
public void Category(string name, int? page)

作为一个额外的好处，它还包括一个 CacheFilter。

Have a look at this article which outlines a nifty method utilizing Action Filters.

For example:

[CompressFilter]
public void Category(string name, int? page)

And as an added bonus, it also includes a CacheFilter.

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青衫负雪 2024-10-02 01:12:39

对于 .NET Core 2.1，有一个可以使用的新包 ( Microsoft.AspNetCore.ResponseCompression )

安装该包后，可以使用简单的示例：

public class Startup
{
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddResponseCompression();

        services.AddResponseCompression(options =>
        {
            options.Providers.Add<GzipCompressionProvider>();
            options.EnableForHttps = true;
        });
    }

    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    {
        app.UseResponseCompression();
    }
}

您可以在此处阅读有关它的更多信息：https://learn.microsoft.com/en-us /aspnet/core/performance/response-compression?view=aspnetcore-2.1&tabs=aspnetcore2x

For .NET Core 2.1 there is a new package that can be used ( Microsoft.AspNetCore.ResponseCompression )

Simple sample to get going, after installing the package:

public class Startup
{
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddResponseCompression();

        services.AddResponseCompression(options =>
        {
            options.Providers.Add<GzipCompressionProvider>();
            options.EnableForHttps = true;
        });
    }

    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    {
        app.UseResponseCompression();
    }
}

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