程式語言 - Rust - Web Server

參考資訊：
https://www.rust-lang.org/learn/get-started
https://www.readfog.com/a/1673773161454342144
http://bzz.wallizard.com:8081/share/books/RUST/Programming%20Rust%202nd%20Edition.pdf

產生樣板

$ cargo new hello
$ cd hello

Cargo.toml

[package]
name = "hello"
version = "0.1.0"
edition = "2021"

[dependencies]
axum = "0"
tokio = { version = "1", default-features = false, features = ["macros", "rt-multi-thread"] }

src/main.rs

use std::net::SocketAddr;
use axum::{response::Html, routing::get, Router};

#[tokio::main]
async fn main() {
    let app = Router::new().route("/", get(handler));
    let addr = SocketAddr::from(([127, 0, 0, 1], 3000));

    axum::Server::bind(&addr)
        .serve(app.into_make_service())
        .await
        .unwrap();
}

async fn handler() -> Html<&'static str> {
    Html("<h1>Hello, world!</h1>")
}

執行

$ cargo run

開啟網頁並且輸入http://127.0.0.1:3000