migrate to docusaurus (v2) (#266)

Co-authored-by: ibraheemdev <ibrah1440@gmail.com>

examples/easy-form-handling/src/main.rs

@@ -1,6 +1,7 @@
-// <easy-form-handling>
 use actix_web::{web, App, HttpResponse, HttpServer, Responder};
 use serde::Deserialize;
+// <easy-form-handling>
+use actix_web::web::{Either, Json, Form};
 
 #[derive(Deserialize)]
 struct Register {
@@ -8,25 +9,33 @@ struct Register {
     country: String,
 }
 
+// register form is JSON
+async fn json_register(form: web::Json<Register>) -> impl Responder {
+    format!("Hello {} from {}!", form.username, form.country)
+}
+
+// register form can be either JSON or URL-encoded
+async fn register(form: Either<Json<Register>, Form<Register>>) -> impl Responder {
+    let Register { username, country } = form.into_inner();
+    format!("Hello {username} from {country}!")
+}
+// </easy-form-handling>
+
 async fn index() -> HttpResponse {
     HttpResponse::Ok()
         .content_type("text/html; charset=utf-8")
         .body(include_str!("../static/form.html"))
 }
 
-async fn register(form: web::Form<Register>) -> impl Responder {
-    format!("Hello {} from {}!", form.username, form.country)
-}
-
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| {
         App::new()
             .route("/", web::get().to(index))
             .route("/register", web::post().to(register))
+            .route("/json_register", web::post().to(json_register))
     })
     .bind(("127.0.0.1", 8080))?
     .run()
     .await
 }
-// </easy-form-handling>