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Rust - Actix-web - Zipファイルダウンロードコード

Last updated at Posted at 2021-06-03

Actix-webでファイルダウンロードコードです

Cargo インストール

zip = "0.5.12"

コード書く

#[get("report")]
async fn execute(
// 何かする
) -> Result<HttpResponse, ApiError> {

    let mut zip = zip::ZipWriter::new(std::io::Cursor::new(Vec::new()));

    let options = zip::write::FileOptions::default().compression_method(zip::CompressionMethod::Stored);
    zip.start_file("hello_world.csv", options)?;
    zip.write(b"Hello, World!")?;
    zip.flush()?;
    let result = zip.finish()?;
    Ok(
        HttpResponse::Ok()
        .header("content-encoding", "application/zip")
        .header("Content-Disposition", "attachment;filename=sampleZip.zip")
        .body(result.into_inner())
    )

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