Bean的实例化--构造器

1，编写Bean对象

package com.songyan.ico;

public class Bean1 {

}

2，配置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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="bean1" class="com.songyan.ico.Bean1"></bean>
</beans>

3，编写测试类

package com.songyan.ico;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test1 {
public static void main(String[] args) {
    //声明路径
    String xmlPath="com/songyan/ico/bean.xml";
    //创建容器
    ApplicationContext applicationContext=new ClassPathXmlApplicationContext(xmlPath);
    //通过容器创建对象
    Bean1 bean1=(Bean1) applicationContext.getBean("bean1");
    //输出有容器创建的bean对象
    System.out.println(bean1);
    
}
}

4，输出结果

 

转载于:https://www.cnblogs.com/excellencesy/p/9103475.html