Yyx

环境
● jdk1.8
● maven 3.6.1
● springboot 2.7.8
● IDEA 2022
HelloWorld程序
0x01 idea快速配置springboot
0x02 起步依赖

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.7.8</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>


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

0x03 启动引导类

@SpringBootApplication
    public class DemoApplication {

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

    }

0x04 业务类

@RestController
    public class HelloController {
        @RequestMapping("/hello")
        public String hello(){
            return "hello";
        }
    }

配置文件
0x01 application.properties配置格式
1 properties

server.port=8080

2 yml

server:
    port: 8080