pub trait RequestQueryExt {
// Required methods
fn queries(&self) -> &HashMap<String, String>;
fn query<P: Into<String>>(&self, query_name: P) -> Option<&String>;
}Expand description
An extension trait which extends the hyper::Request type with some helpful methods to
access query values from req object.
Required Methods§
Sourcefn queries(&self) -> &HashMap<String, String>
fn queries(&self) -> &HashMap<String, String>
It returns the parsed queries in a HashMap.
§Examples
use hyper::{Body, Request, Response, Server};
use routerify::{Router, RouterService};
// Import the query_parser function and the RequestQueryExt trait.
use routerify_query::{query_parser, RequestQueryExt};
use std::{convert::Infallible, net::SocketAddr};
// A handler for "/" page. Visit: "/?username=Alice&bookname=HarryPotter" to see query values.
async fn home_handler(req: Request<Body>) -> Result<Response<Body>, Infallible> {
// Access the query values.
let queries = req.queries();
let user_name = queries.get("username").unwrap();
let book_name = queries.get("bookname").unwrap();
Ok(Response::new(Body::from(format!(
"User: {}, Book: {}",
user_name, book_name
))))
}
// Create a router.
Router::builder()
// Attach the query_parser middleware.
.middleware(query_parser())
.get("/", home_handler)
.build()
.unwrap()
}Sourcefn query<P: Into<String>>(&self, query_name: P) -> Option<&String>
fn query<P: Into<String>>(&self, query_name: P) -> Option<&String>
It returns the query value by a query name.
§Examples
use hyper::{Body, Request, Response, Server};
use routerify::{Router, RouterService};
// Import the query_parser function and the RequestQueryExt trait.
use routerify_query::{query_parser, RequestQueryExt};
use std::{convert::Infallible, net::SocketAddr};
// A handler for "/" page. Visit: "/?username=Alice&bookname=HarryPotter" to see query values.
async fn home_handler(req: Request<Body>) -> Result<Response<Body>, Infallible> {
// Access the query values.
let user_name = req.query("username").unwrap();
let book_name = req.query("bookname").unwrap();
Ok(Response::new(Body::from(format!(
"User: {}, Book: {}",
user_name, book_name
))))
}
// Create a router.
Router::builder()
// Attach the query_parser middleware.
.middleware(query_parser())
.get("/", home_handler)
.build()
.unwrap()
}Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.