springboot学习

springboot搭建

1、idea新建maven项目

2、pom.xml引入下面代码

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.3.RELEASE</version>
    <relativePath/>
</parent>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
</dependencies>

3、新建application.java

@SpringBootApplication
public class WebApplication {
    public static void main(String[] args) { SpringApplication.run(WebApplication.class, args); }
}

4、新建controller

@Controller
public class IndexController {

    @RequestMapping("/index")
    @ResponseBody
    public String index() {
        return "Hello World!";
    }
}

5、启动main方法，浏览器打开/index，出现helloword