我需要在呈现给用户之前更改完整的 html 响应流(使用 html 解析)。
最后一次机会在哪里/什么时候?
恕我直言,在 ASP.NET MVC 环境中更改 HTML 响应的更好方法是使用操作过滤器。
这是用于压缩输出的动作过滤器的示例:
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);
}
}
}
您可以在操作方法中像这样使用它:
[CompressFilter]
// Minifies, compresses JavaScript files and stores the response in client (browser) cache for a day
public JavaScriptResult GetJavaScript(string jsPath)
HTH
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