salvo 0.8.0

A simple web framework
Documentation
<div align="center">
<img alt="Savlo" src="assets/logo.svg" />
<p>

[![build status](https://github.com/salvo-rs/salvo/workflows/CI%20(Linux)/badge.svg?branch=master&event=push)](https://github.com/salvo-rs/salvo/actions)
[![build status](https://github.com/salvo-rs/salvo//workflows/CI%20(macOS)/badge.svg?branch=master&event=push)](https://github.com/salvo-rs/salvo/actions)
[![build status](https://github.com/salvo-rs/salvo/workflows/CI%20(Windows)/badge.svg?branch=master&event=push)](https://github.com/salvo-rs/salvo/actions)
<br>
[![codecov](https://codecov.io/gh/salvo-rs/salvo/branch/master/graph/badge.svg)](https://codecov.io/gh/salvo-rs/salvo)
[![crates.io](https://img.shields.io/crates/v/salvo)](https://crates.io/crates/salvo)
[![Download](https://img.shields.io/crates/d/salvo.svg)](https://crates.io/crates/salvo)
![License](https://img.shields.io/crates/l/salvo.svg)
</p>
<h3>Salvo is a easy to use web framework written by rust.</h3>
</div>

## 🎯 Features

  * Base on latest hyper, tokio;
  * Websocket supported;
  * Serve a static virtual directory from many physical directories;
  * Middlewares support executed before or after handle;
  * Easy routing:
    - Path parameters and regex supported;
    - Tree-like routing system;

## ⚡️ Quick start

You can view samples [here](https://github.com/salvo-rs/salvo/tree/master/examples) or read docs [here](https://docs.rs/salvo/).

Create a new rust project:
```bash
cargo new hello_salvo --bin
```

Add this to `Cargo.toml`
```toml
[dependencies]
salvo = "0.8"
tokio = { version = "1", features = ["full"] }
```

Create a simple function handler in the main.rs file, we call it `hello_world`, this function just render plain text "Hello World".

```rust
use salvo::prelude::*;

#[fn_handler]

async fn hello_world(_req: &mut Request, _depot: &mut Depot, res: &mut Response) {
    res.render_plain_text("Hello World");
}
```

In the ```main``` function, we need to create a root Router first, and then create a server and call it's ```bind``` function:

```rust
use salvo::prelude::*;

#[fn_handler]

async fn hello_world(res: &mut Response) {
    res.render_plain_text("Hello World");
}

#[tokio::main]

async fn main() {
    let router = Router::new().get(hello_world);
    let server = Server::new(router);
    server.bind(([0, 0, 0, 0], 7878)).await;
}
```
### Tree-like routing system


```rust
use salvo::prelude::*;

#[tokio::main]

async fn main() {
    let router = Router::new()
        .get(index)
        .push(
            Router::new()
                .path("users")
                .before(auth)
                .post(create_user)
                .push(Router::new().path(r"<id:/\d+/>").post(update_user).delete(delete_user)),
        )
        .push(
            Router::new()
                .path("users")
                .get(list_users)
                .push(Router::new().path(r"<id:/\d+/>").get(show_user)),
        );

    Server::new(router).bind(([0, 0, 0, 0], 7878)).await;
}

#[fn_handler]

async fn index(res: &mut Response) {
    res.render_plain_text("Hello world!");
}
#[fn_handler]

async fn auth(res: &mut Response) {
    res.render_plain_text("user has authed\n\n");
}
#[fn_handler]

async fn list_users(res: &mut Response) {
    res.render_plain_text("list users");
}
#[fn_handler]

async fn show_user(res: &mut Response) {
    res.render_plain_text("show user");
}
#[fn_handler]

async fn create_user(res: &mut Response) {
    res.render_plain_text("user created");
}
#[fn_handler]

async fn update_user(res: &mut Response) {
    res.render_plain_text("user updated");
}
#[fn_handler]

async fn delete_user(res: &mut Response) {
    res.render_plain_text("user deleted");
}

```

### More Examples

Your can find more examples in [examples](./examples/) folder:
- [basic_auth.rs]./examples/basic_auth.rs
- [compression.rs]./examples/compression.rs
- [file_list.rs]./examples/file_list.rs
- [proxy.rs]./examples/proxy.rs
- [remote_addr.rs]./examples/remote_addr.rs
- [routing.rs]./examples/routing.rs
- [sse_chat.rs]./examples/sse_chat.rs
- [sse.rs]./examples/sse.rs
- [tls.rs]./examples/tls.rs
- [todos.rs]./examples/todos.rs
- [unix_socket.rs]./examples/unix_socket.rs
- [ws_chat.rs]./examples/ws_chat.rs
- [ws.rs]./examples/ws.rs

## ☕ Supporters


Salvo is an open source project. If you want to support Salvo, you can ☕ [**buy a coffee here**](https://www.buymeacoffee.com/chrislearn).

## ⚠️ License


Salvo is licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE]LICENSE-APACHE or [http://www.apache.org/licenses/LICENSE-2.0]http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT]LICENSE-MIT or [http://opensource.org/licenses/MIT]http://opensource.org/licenses/MIT)