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);
}
}
}