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>

---

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();
    }