8

我尝试使用此处描述的方法ASP.NET MVC Action Filter - Caching and Compression。起初结果令人鼓舞,因为服务器确实开始发送 GZip 编码文件,但经过进一步测试,有时在具有 Html.RenderAction 部分的页面中,该属性将被调用两次 gzip 压缩已压缩的页面。有谁知道使用 ASP.NET MVC 2 提供压缩页面的更稳定方法,或者有任何关于如何修改代码以使其更通用的想法?

public class CompressFilter : ActionFilterAttribute
{
    public override void OnActionExecuting(FilterExecutingContext 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);
        }
    }

}

4

1 回答 1

7

您可以忽略子操作:

if (filterContext.IsChildAction)
{
    return;
}
...
于 2011-04-10T07:55:24.517 回答