Files
axum/examples/readme/src/main.rs
T
1c60255b9f Add readme example project (#450)
* Add project based on the readme example

* Add readme project link to README.md

* Typo correction

* Update examples/readme-example/Cargo.toml

Use tracing-subscriber 0.2 to match other the other examples

Co-authored-by: David Pedersen <[email protected]>

* Update README.md

Use original readme phrasing for crate docs

Co-authored-by: David Pedersen <[email protected]>

* Rename readme-exmaple to readme

* Revert tracing call to debug from info

Co-authored-by: Jordan Gould <[email protected]>
Co-authored-by: David Pedersen <[email protected]>
2021-11-03 07:23:28 +00:00

71 lines
1.6 KiB
Rust

//! Run with
//!
//! ```not_rust
//! cargo run -p example-readme
//! ```
use axum::{
http::StatusCode,
response::IntoResponse,
routing::{get, post},
Json, Router,
};
use serde::{Deserialize, Serialize};
use std::net::SocketAddr;
#[tokio::main]
async fn main() {
// initialize tracing
tracing_subscriber::fmt::init();
// build our application with a route
let app = Router::new()
// `GET /` goes to `root`
.route("/", get(root))
// `POST /users` goes to `create_user`
.route("/users", post(create_user));
// run our app with hyper
// `axum::Server` is a re-export of `hyper::Server`
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
tracing::debug!("listening on {}", addr);
axum::Server::bind(&addr)
.serve(app.into_make_service())
.await
.unwrap();
}
// basic handler that responds with a static string
async fn root() -> &'static str {
"Hello, World!"
}
async fn create_user(
// this argument tells axum to parse the request body
// as JSON into a `CreateUser` type
Json(payload): Json<CreateUser>,
) -> impl IntoResponse {
// insert your application logic here
let user = User {
id: 1337,
username: payload.username,
};
// this will be converted into a JSON response
// with a status code of `201 Created`
(StatusCode::CREATED, Json(user))
}
// the input to our `create_user` handler
#[derive(Deserialize)]
struct CreateUser {
username: String,
}
// the output to our `create_user` handler
#[derive(Serialize)]
struct User {
id: u64,
username: String,
}