Spring Boot+Intelli IDEA+Maven创建Hello World

一、创建一个Maven项目。

二、打开pom.xml文件，导入下面的配置(放在<\version>\标签之后)：

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.0.RELEASE</version>
</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>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>

<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>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>

</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

三、创建Java类（在JAVA文件夹下先创建包）：

1、先创建Application类：

@SpringBootApplication
public class Application {
public static void main(String args[]){
SpringApplication.run(Application.class,args);
}
}

2、创建Hello World类：

@RestController
@EnableAutoConfiguration
public class HelloWorld {

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

四、最后运行Application类，打开http://localhost:8080/就能看到hello world了