SpringBoot 入门教程实例详解（一） 开发第一个SpringBoot应用程序实例

构建你的第一个Spring Boot应用程序

第一个目标

准备工作

pom.xml

<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>org.byron4j</groupId>
<artifactId>springBoot</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>jar</packaging>

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

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

<!--引入Spring Boot的parent模块-->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.1.RELEASE</version>
</parent>

<dependencies>
<!--引入Spring Boot 的web依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

<!--引入Spring Boot 的单元测试依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<!--指定JDK版本1.8-->
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>

</project>

@SpringBootApplication

@Controller

@Service

@Repository

@Conponent

package org.byron4j.springBoot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
* <pre>Spring Boot服务启动入口，使用了@SpringBootApplication注解，
*  会自动扫描该类子路径下所有
*   @Controller、@Service、@Repository、@Conponent 等注解类</pre>
*
*/
@SpringBootApplication
public class BaseApplication
{
public static void main( String[] args ){
SpringApplication.run(BaseApplication.class, args);
}

}

/**
*
*/
package org.byron4j.springBoot.controller;

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

/**
* @author Byron.Y.Y
* @date 2016年10月12日
*/
@Controller
public class HelloSpringBootController {

@RequestMapping("/hello")
public String hello(){
return "Hello, SpringBoot!";
}
}