初识Spring -2024/12/30

Spring优点

Spring Framework

• Core Container:核心容器
• AOP:面向切面编程
• Aspects: AOP思想实现
• Data Access :数据访问
• Data Integration: 数据集成

IoC,IoC容器,Bean,DI

导入依赖

<dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.2.10.RELEASE</version></dependency>

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public static void main(String[] args) {//获取IoC容器ApplicationContext act = new ClassPathXmlApplicationContext("applicationContext.xml");//获取bean对象BookService bookService = (BookService) act.getBean("bookService");BookDao bookDao = (BookDao)act.getBean("bookDao");bookService.save();}