1.jdk安装完成

2.maven配置成功

3.myeclipse的maven插件配置成功

1.mac Sierra 10.12.4

2.myeclipse2015

3.java版本：jdk 1.8.0_111

4.maven版本：Apache Maven 3.5.0

5.时间：2017-04-17

1.创建项目

1.1 选择maven项目

1.2创建第二步（不用修改）

1.3 选择创建类型

1.4填写项目信息（artifact id 项目名，group id 项目坐标）

2.第一个程序

2.1 pom.xml文件配置

<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/maven-v4_0_0.xsd">

<modelVersion>4.0.0</modelVersion>

<groupId>com.hdc.demo</groupId>

<artifactId>springBoot</artifactId>

<packaging>war</packaging>

<version>0.0.1-SNAPSHOT</version>

<name>springBoot Maven Webapp</name>

<url>http://maven.apache.org</url>

<parent>

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

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

<version>1.4.5.RELEASE</version>

<relativePath/> <!-- lookup parent from repository -->

</parent>

<properties>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

<java.version>1.8</java.version>

</properties>

<dependencies>

<dependency>

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

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

</dependency>

<dependency>

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

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

<scope>test</scope>

</dependency>

</dependencies>

<build>

<plugins>

<plugin>

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

<artifactId>spring-boot-maven-plugin</artifactId>

</plugin>

</plugins>

</build>

</project>

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication

public class GirlApplication {

public static void main(String[] args) {

SpringApplication.run(GirlApplication.class, args);

}

}

在src/main/java下建立HelloController，内容如下

package com.hdc;

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

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

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

@RestController

public class HelloController {

@RequestMapping(value="/hello",method=RequestMethod.GET)

public String say(){

return "Hello Spring Boot";

}

}

2.4 控制台显示如下内容，且没报错，说明运行成功

.   ____          _            __ _ _

/\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \

( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

\\/  ___)| |_)| | | | | || (_| |  ) ) ) )

'  |____| .__|_| |_|_| |_\__, | / / / /

=========|_|==============|___/=/_/_/_/

:: Spring Boot ::        (v1.4.5.RELEASE)

2.5打开浏览器，访问http://localhost:8080/hello

1.** WARNING ** : Your ApplicationContext is unlikely to start due to a @ComponentScan of the default package.

因为application.Java 文件不能直接放在main/java文件夹下，必须要建一个包把他放进去