熟悉框架

src/main.rs

@@ -1,3 +1,9 @@
-fn main() {
-    println!("Hello, world!");
+use axum::{ Router, routing::get, };
+
+#[tokio::main]
+async fn main() {
+    let app = Router::new().route("/", get(|| async { "Hello, World!" }));
+    let addr = std::net::SocketAddr::from(([127, 0, 0, 1], 3000));
+    let listener = tokio::net::TcpListener::bind(addr).await.unwrap();
+    axum::serve(listener, app).await.unwrap();
 }