做公司网站需要有座机吗新冠病毒最新消息

目录

新建Maven工程，什么都不选

​pom.xml加上

新建包top.cjz.controller  新建类HelloController

​新建类HelloApplication

​运行浏览器访问

---

新建Maven工程，什么都不选

 pom.xml加上

    <!--springboot工程需要继承的父工程-->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.8.RELEASE</version>
    </parent>

    <dependencies>
        <!--web开发的起步依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

 

新建包top.cjz.controller  新建类HelloController

package top.cjz.controller;import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class HelloController {@RequestMapping("/hello")public String hello(){return "Hello SpringBoot";}
}

 新建类HelloApplication

package top.cjz;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
public class HelloApplication {public static void main(String[] args) {SpringApplication.run(HelloApplication.class,args);}
}

 运行浏览器访问