spring创建容器

xml文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- services -->

    <bean id="student" class="com.qq.pojo.Student">
        <!-- additional collaborators and configuration for this bean go here -->
    </bean>

    <!-- more bean definitions for services go here -->

</beans>

新建一个Student实体类
然后测试



public class Tset1 {
    public static void main(String[] args) {
     //创建容器  ClassPathXmlApplicationContext（"配置文件路径"） 方法
     //BeanFactory是接
        //ApplicationContext 接口
       BeanFactory context = new ClassPathXmlApplicationContext("application-context.xml");
       //使用绝对路径
       // BeanFactory fcontext = new FileSystemXmlApplicationContext("C:\\Users\\13628\\IdeaProjects\\studyIOC\\src\\application-context.xml");
        //使用id
       //Student bean1 = fcontext.getBean(Student.class);
        //bean1.work();
        Student student = (Student)context.getBean("student");
       //使用类的class对象
        Student bean = context.getBean(Student.class);
        bean.work();
        //student.work();
    }
}