【Rust】Actixの基礎

まずcargo newでプロジェクトを作成し、dependenciesにactixを追加します。

[dependencies]
actix-web = "4"

use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder};

#[get("/")]
async fn hello() -> impl Responder {
    HttpResponse::Ok().body("Hello world!")
}

#[post("/echo")]
async fn echo(req_body: String) -> impl Responder {
    HttpResponse::Ok().body(req_body)
}

async fn manual_hello() -> impl Responder {
    HttpResponse::Ok().body("Hey there!")
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(||{
        App::new()
            .service(hello)
            .service(echo)
            .route("/hey", web::get().to(manual_hello))
    })
    .bind(("127.0.0.1", 8080))?
    .run()
    .await
}

$ curl -X POST -d “age=30” 127.0.0.1:8080/echo
age=30

おおおおおおお、get, postまではできたな…