Struct FileResponse 

pub struct FileResponse { /* private fields */ }

File response for serving files.

Supports:

• Automatic content-type inference from file extension
• Optional Content-Disposition for downloads
• Streaming for large files

Examples

use fastapi_core::response::FileResponse;
use std::path::Path;

// Inline display (images, PDFs in browser)
let response = FileResponse::new(Path::new("image.png"));

// Force download with custom filename
let response = FileResponse::new(Path::new("data.csv"))
    .download_as("report.csv");

Implementations

impl FileResponse

pub fn new(path: impl Into<PathBuf>) -> Self

Create a new file response.

The content-type will be inferred from the file extension.

pub fn content_type(self, content_type: impl Into<String>) -> Self

Override the content-type.

pub fn download_as(self, filename: impl Into<String>) -> Self

Set as download with the specified filename.

Sets Content-Disposition: attachment; filename=“…”

pub fn inline(self) -> Self

Set as inline content (default).

Sets Content-Disposition: inline

pub fn path(&self) -> &Path

Get the file path.

pub fn into_response_sync(self) -> Response

Read file and create response.

Errors

Returns an error response if the file cannot be read.

Trait Implementations

impl Debug for FileResponse

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl IntoResponse for FileResponse

fn into_response(self) -> Response

Convert into a response.