mirror of
https://github.com/tokio-rs/axum.git
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72 lines
1.8 KiB
Rust
72 lines
1.8 KiB
Rust
//! Run with
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//!
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//! ```not_rust
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//! cargo run --example multipart_form --features=multipart
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//! ```
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use axum::{
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extract::{ContentLengthLimit, Multipart},
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handler::get,
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response::Html,
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route,
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routing::RoutingDsl,
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};
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use std::net::SocketAddr;
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#[tokio::main]
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async fn main() {
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// Set the RUST_LOG, if it hasn't been explicitly defined
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if std::env::var("RUST_LOG").is_err() {
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std::env::set_var("RUST_LOG", "multipart_form=debug,tower_http=debug")
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}
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tracing_subscriber::fmt::init();
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// build our application with some routes
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let app = route("/", get(show_form).post(accept_form))
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.layer(tower_http::trace::TraceLayer::new_for_http());
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// run it with hyper
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let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
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tracing::debug!("listening on {}", addr);
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axum::Server::bind(&addr)
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.serve(app.into_make_service())
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.await
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.unwrap();
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}
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async fn show_form() -> Html<&'static str> {
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Html(
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r#"
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<!doctype html>
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<html>
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<head></head>
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<body>
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<form action="/" method="post" enctype="multipart/form-data">
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<label>
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Upload file:
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<input type="file" name="file" multiple>
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</label>
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<input type="submit" value="Upload files">
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</form>
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</body>
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</html>
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"#,
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)
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}
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async fn accept_form(
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ContentLengthLimit(mut multipart): ContentLengthLimit<
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Multipart,
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{
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250 * 1024 * 1024 /* 250mb */
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},
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>,
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) {
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while let Some(field) = multipart.next_field().await.unwrap() {
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let name = field.name().unwrap().to_string();
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let data = field.bytes().await.unwrap();
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println!("Length of `{}` is {} bytes", name, data.len());
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}
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}
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