Question

我想用Gzip压缩我的Web应用程序，我正在使用以下类

压缩过滤器

public class CompressFilter : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {
        HttpRequestBase request = filterContext.HttpContext.Request;
        string acceptEncoding = request.Headers["Accept-Encoding"];
        if (string.IsNullOrEmpty(acceptEncoding)) return;
        acceptEncoding = acceptEncoding.ToUpperInvariant();
        HttpResponseBase response = filterContext.HttpContext.Response;
        if (acceptEncoding.Contains("GZIP"))
        {
            response.AppendHeader("Content-encoding", "gzip");
            response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);
        }
        else if (acceptEncoding.Contains("DEFLATE"))
        {
            response.AppendHeader("Content-encoding", "deflate");
            response.Filter = new DeflateStream(response.Filter, CompressionMode.Compress);
        }
    }
}

缓存过滤器

public class CacheFilterAttribute : ActionFilterAttribute
{
    public int Duration
    {
        get;
        set;
    }

    public CacheFilterAttribute()
    {
        Duration = 1;
    }

    public override void OnActionExecuted(ActionExecutedContext filterContext)
    {
        if (Duration <= 0) return;

        HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
        TimeSpan cacheDuration = TimeSpan.FromMinutes(Duration);

        cache.SetCacheability(HttpCacheability.Public);
        cache.SetExpires(DateTime.Now.Add(cacheDuration));
        cache.SetMaxAge(cacheDuration);
        cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
    }
}

控制器

[CompressFilter]
[CacheFilter(Duration = 60)]
public ActionResult Index()
{}

并将此类应用于Controller中的Action。但是在萤火虫中，它仍然显示＆＃34;转移编码：chunked＆＃34; ，但它应该是＆＃34;转移编码：gzip＆＃34; < /强>

我在localhost上测试它。

请告诉我，我做错了什么？感谢致敬。

更新缓存过滤器工作正常，但仍然没有gzip压缩，下面是chrome中的响应标头。

Cache-Control:public, must-revalidate, proxy-revalidate, max-age=3600 Content-Type:text/html; charset=utf-8 Date:Wed, 22 Jul 2015 13:39:06 GMT Expires:Wed, 22 Jul 2015 14:39:04 GMT Server:Microsoft-IIS/10.0 Transfer-Encoding:chunked X-AspNet-Version:4.0.30319 X-AspNetMvc-Version:5.1 X-Powered-By:ASP.NET X-SourceFiles:=?UTF-8?B?QzpcVXNlcnNcQXJiYXpcRG9jdW1lbnRzXFZpc3VhbCBTdHVkaW8gMjAxM1xQcm9qZWN0c1xidXlwcmljZXNwYWtpc3RhblxCdXlQaG9uZQ==?=

有什么方法可以让我的工作，我真的需要帮助的人，谢谢

Answer 1

如果无法控制IIS，只需将其添加到Global.ASCX即可。在Android，iPhone和大多数PC浏览器上测试过。

 protected void Application_BeginRequest(object sender, EventArgs e)
    {

        // Implement HTTP compression
        HttpApplication app = (HttpApplication)sender;


        // Retrieve accepted encodings
        string encodings = app.Request.Headers.Get("Accept-Encoding");
        if (encodings != null)
        {
            // Check the browser accepts deflate or gzip (deflate takes preference)
            encodings = encodings.ToLower();
            if (encodings.Contains("deflate"))
            {
                app.Response.Filter = new DeflateStream(app.Response.Filter, CompressionMode.Compress);
                app.Response.AppendHeader("Content-Encoding", "deflate");
            }
            else if (encodings.Contains("gzip"))
            {
                app.Response.Filter = new GZipStream(app.Response.Filter, CompressionMode.Compress);
                app.Response.AppendHeader("Content-Encoding", "gzip");
            }
        }
    }

Answer 2

如果正确配置了压缩，请检查本地IIS。请参阅以下链接以正确配置IIS以进行HTTP压缩。

http://www.iis.net/configreference/system.webserver/httpcompression

Gzip压缩不能正常使用ASP.net MVC5

2 个答案: