rest_server.rs

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

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    println!("127.0.0.1:8080");
    println!("\t/");
    println!("\t/echo");
    println!("\t/txt");
    HttpServer::new(|| {
        App::new()
            .service(index)
            .service(echo)
            .service(txt)
    })
        .bind(("127.0.0.1", 8080))?
        .run()
        .await
}

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

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

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