通过idea创建Spring Boot项目并配置启动过程图解

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.1.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-data-mongodb</artifactId>-->
    <!--</dependency>-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!--<dependency>-->
      <!--<groupId>org.mybatis.spring.boot</groupId>-->
      <!--<artifactId>mybatis-spring-boot-starter</artifactId>-->
      <!--<version>1.3.2</version>-->
    <!--</dependency>-->
 
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

package com.example.bootopen.com;
 
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class HelloSpringBootController {
 
  @RequestMapping("/hello")
  public String hello() {
    return "Hello Spring Boot";
  }
}