springboot搭建

1、idea新建maven项目

2、pom.xml引入下面代码

        
     
      org.springframework.boot
         
     
      spring-boot-starter-parent
         
     
      2.0.3.RELEASE
         
     
    
        
             
      
       org.springframework.boot
              
      
       spring-boot-starter-web
          
     
    

3、新建application.java

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

4、新建controller

@Controllerpublic 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