[.Net] ASP.NET Core 文件响应压缩的常见使用误区

• 误区1：未使用 Brotil 压缩
  
• 误区2：使用 Fastest 级别的 Brotli 压缩
  
• 误区3：使用 Optimal 级别的 Brotli 压缩
  

public class Startup
{
  public void ConfigureServices(IServiceCollection services)
  {
    services.AddResponseCompression();
  }
  public void Configure(IApplicationBuilder app, IHostingEnvironment env)
  {
    app.UseResponseCompression();
  }
}

public void ConfigureServices(IServiceCollection services)
{
  services.AddResponseCompression(options =>
  {
    options.Providers.Add<BrotliCompressionProvider>();
    options.Providers.Add<GzipCompressionProvider>();
    options.Providers.Add<CustomCompressionProvider>();
    options.MimeTypes = 
      ResponseCompressionDefaults.MimeTypes.Concat(
        new[] { "image/svg+xml" });
  });
  services.Configure<BrotliCompressionProviderOptions>(options => 
  {
    options.Level = CompressionLevel.Fastest;
  });
}

public class BrotliCompressionProvider : ICompressionProvider
{
  public string EncodingName => "br";
  public bool SupportsFlush => true
  public Stream CreateStream(Stream outputStream)
  {
       return new BrotliStream(outputStream,CompressionLevel.Fastest);
  }
}