SpringBoot工程入门案例开发

SpringBoot简介

SpringBoot设计目的是用来简化Spring应用的初始搭建以及开发过程

原生开发SpringMVC程序过程

创建SpringBoot工程

pom.xml

<?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"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.7.14</version><relativePath/><!--lookup parent from repository--></parent><groupId>com.example</groupId><artifactId>SpringBootTest</artifactId><version>0.0.1-SNAPSHOT</version><properties><java.version>1.8</java.version></properties><dependencies><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></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

SpringBootTestApplication

BookController

注意：
Spring Boot 默认只会扫描启动类所在包及其子包的组件（控制器、Service 等）。

Spring程序与SpringBoot程序对比