一 创建maven项目:

 

二 添加springboot起步依赖:

SpringBoot要求,项目要继承SpringBoot的起步依赖spring-boot-starter-parent

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
</parent>

SpringBoot要集成SpringMVC进行Controller的开发,所以项目要导入web的启动依赖

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

三 编写spring boot引导类:

要通过SpringBoot提供的引导类起步SpringBoot才可以进行访问

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

@SpringBootApplication
public class MySpringBootApplication {

public static void main(String[] args) {
SpringApplication.run(MySpringBootApplication.class);
}

}

四 编写controller

在引导类MySpringBootApplication同级包或者子级包中创建QuickStartController

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

@Controller
public class QuickStartController {

@RequestMapping("/quick")
@ResponseBody
public String quick(){
return "springboot 访问成功!";
}

}

五 测试:

 2.1.5 测试

执行SpringBoot起步类的主方法,控制台打印日志如下:

spring boot 快速入门_ci

通过日志发现,Tomcat started on port(s): 8080 (http) with context path ''

tomcat已经起步,端口监听8080,web应用的虚拟工程名称为空