<project xmlns="http://maven.apache.org/POM/4.0.0"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

<modelVersion>4.0.0</modelVersion>

<groupId>cn.gzsxt</groupId>

<artifactId>spring-boot-demo-01</artifactId>

<version>1.0</version>

<parent>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>1.5.4.RELEASE</version>

</parent>

<dependencies>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

</dependencies>

</project>

package hello;

import org.springframework.boot.*;

import org.springframework.boot.autoconfigure.*;

import org.springframework.stereotype.*;

import org.springframework.web.bind.annotation.*;

//聲明@Controller存儲類型註解,表示SampleController類啟動是,對象會加載到Spring容器

@Controller

//聲明@EnableAutoConfiguration,表示程序使用Springboot默認的配置

@EnableAutoConfiguration

public class SampleController {

/**

* 表示如果訪問路徑/,返回字符串Hello World!

*/

@RequestMapping("/")

@ResponseBody

String home() {

return "Hello World!";

}

public static void main(String[] args) throws Exception {

//啟動Spring Boot程序

SpringApplication.run(SampleController.class, args);

}

}