Maven 依赖：

<dependency>
    <groupId>io.jboot</groupId>
    <artifactId>jboot</artifactId>
    <version>4.0.0</version>
</dependency>

Hello World：

@RequestMapping("/")
public class HelloWorld extends JbootController {

    public void index(){
        renderText("hello world");
    }

    public static void main(String[] args){
        JbootApplication.run(args);
    }
}