spring属性注入【XML+注解】

需求:在Person类中注入Car类

分析:
xml中定义Car和Person
Person中用注解注入Car

applicationContext.xml:

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

 <!--开启注解功能-->
    <context:annotation-config/>

    <bean name="car" class="annotation.Car"></bean>
    <bean name="person" class="annotation.Person"></bean>

</beans>

Car:

public class Car {

    public Car() {
        System.out.println("car被实例化了");
    }
}

Person:

public class Person {

    private String name;
    
     //注解注入
    @Autowired
    @Qualifier("car")
    private Car car;

    public Person() {
    }

    public Person(Car car) {
    
        this.car = car;

        System.out.println("Person被实例化了");

    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                ", car=" + car +
                '}';
    }
}

测试类

public class test {

    public static void main(String[] args) {

        ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");

        Person person = (Person) ac.getBean("person");

        System.out.println("person = " + person);

		((ClassPathXmlApplicationContext) ac).close();

    }
    
}
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