use hyper::{Body, Request, Response, Server}; use routerify::{Router, RouterService}; // Import the query_parser function and the RequestQueryExt trait. use routerify_query::{query_parser, RequestQueryExt}; use std::{convert::Infallible, net::SocketAddr}; // A handler for "/" page. Visit: "/?username=Alice&bookname=HarryPotter" to see query values. async fn home_handler(req: Request) -> Result, Infallible> { // Access the query values. let user_name = req.query("username").unwrap(); let book_name = req.query("bookname").unwrap(); Ok(Response::new(Body::from(format!( "User: {}, Book: {}", user_name, book_name )))) } // Create a router. fn router() -> Router { Router::builder() // Attach the query_parser middleware. .middleware(query_parser()) .get("/", home_handler) .build() .unwrap() } #[tokio::main] async fn main() { let router = router(); // Create a Service from the router above to handle incoming requests. let service = RouterService::new(router).unwrap(); // The address on which the server will be listening. let addr = SocketAddr::from(([127, 0, 0, 1], 3001)); // Create a server by passing the created service to `.serve` method. let server = Server::bind(&addr).serve(service); println!("App is running on: {}", addr); if let Err(err) = server.await { eprintln!("Server error: {}", err); } }