actix-website/examples/requests/src/urlencoded.rs

// <urlencoded>
use actix_web::{web, HttpResponse};
use serde::Deserialize;

#[derive(Deserialize)]
struct FormData {
    username: String,
}

fn index(form: web::Form<FormData>) -> HttpResponse {
    HttpResponse::Ok().body(format!("username: {}", form.username))
}
// </urlencoded>

pub fn main() {
    use actix_web::{App, HttpServer};

    HttpServer::new(|| App::new().route("/", web::post().to(index)))
        .bind("127.0.0.1:8088")
        .unwrap()
        .run()
        .unwrap();
}