• pom.xml文件组成

      • spring-boot-starter-parent：作为父工程，提供SpringBoot和Spring的相关依赖定义
      • spring-boot-starter-web：引入Web和WebMvc的相关依赖
      • spring-boot-maven-plugin：maven插件

      • spring-boot-maven-plugin：打包工具，成jar ```java <?xml version=”1.0” encoding=”UTF-8”?> <project xmlns=”http://maven.apache.org/POM/4.0.0“ xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance“

        1. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">

        4.0.0 org.springframework.boot spring-boot-starter-parent 2.2.2.RELEASE com.monkey springdemo 0.0.1-SNAPSHOT springdemo

        Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.boot spring-boot-maven-plugin

    ```