Spring Boot的入门案例（从创建项目到运行成功所有步骤）

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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.*;

//声明@Controller存储类型注解,表示SampleController类启动是,对象会加载到Spring容器

@Controller

//声明@EnableAutoConfiguration,表示程序使用Springboot默认的配置

@EnableAutoConfiguration

public class SampleController {

    /**

     * 表示如果访问路径/,返回字符串Hello World!

     */

    @RequestMapping("/")

    @ResponseBody

    String home() {

        return "Hello World!";

    }

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

     //启动Spring Boot程序

        SpringApplication.run(SampleController.class, args);

    }

}