使用idea搭建spring boot + maven工程并运行hello world!
1.使用idea搭建spring boot项目工程,选择Spring Initializr,选中jdk然后next
2.输入Group,Artifact,选中Maven Project,然后next
3.选择web->web 然后next,再finish
4.搭建后项目目录如下
DemoApplication.java为项目启动入口
package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
在DemoApplication.java所在包或所在包的子包下创建HelloController.java
package com.example.demo;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController {
@RequestMapping("/")
public String hello(){
return "hello world!";
}
}
运行项目,起来后在浏览器输入如下地址即可访问。