Spring框架中JavaBean的生命周期及单例模式与多列模式

package com.zking.beanlife;
import java.util.List;
public class ParamAction {
  private int age;
  private String name;
  private List<String> hobby;
  private int num = 1;
  // private UserBiz userBiz = new UserBizImpl1();
  public ParamAction() {
    super();
  }
  public ParamAction(int age, String name, List<String> hobby) {
    super();
    this.age = age;
    this.name = name;
    this.hobby = hobby;
  }
  public void execute() {
    // userBiz.upload();
    // userBiz = new UserBizImpl2();
    System.out.println("this.num=" + this.num++);
    System.out.println(this.name);
    System.out.println(this.age);
    System.out.println(this.hobby);
  }
}

package com.zking.beanlife;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
/*
 * spring bean的生命週期
 * spring bean的單例多例
 */
public class Demo2 {
  // 体现单例与多例的区别
  @Test
  public void test1() {
    ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("/sping-context.xml");
//    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/spring-context.xml");
    ParamAction p1 = (ParamAction) applicationContext.getBean("paramAction");
    ParamAction p2 = (ParamAction) applicationContext.getBean("paramAction");
    // System.out.println(p1==p2);
    p1.execute();
    p2.execute();
//    单例时，容器销毁instanceFactory对象也销毁；多例时，容器销毁对象不一定销毁；
    applicationContext.close();
  }
  // 体现单例与多例的初始化的时间点 instanceFactory
  @Test
  public void test2() {
    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/sping-context.xml");
  }
  // BeanFactory会初始化bean对象，但会根据不同的实现子类采取不同的初始化方式
  // 默认情况下bean的初始化，单例模式立马会执行，但是此时XmlBeanFactory作为子类，单例模式下容器创建，bean依赖没有初始化，只有要获取使用bean对象才进行初始化
  @Test
  public void test3() {
    // ClassPathXmlApplicationContext applicationContext = new
    // ClassPathXmlApplicationContext("/spring-context.xml");
    Resource resource = new ClassPathResource("/spring-context.xml");
    BeanFactory beanFactory = new XmlBeanFactory(resource);
//    InstanceFactory i1 = (InstanceFactory) beanFactory.getBean("instanceFactory");
  }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 default-autowire="byType"
       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 class="com.zking.ioc.web.UserAction" id="userAction">
<!--    <property name="userService" ref="userService"></property>-->
<!--<constructor-arg name="uname" value="袁辉sb"></constructor-arg>-->
<!--    <constructor-arg name="age" value="11"></constructor-arg>-->
<!--    <constructor-arg name="hobby" >-->
<!--        <list>-->
<!--            <value>-->
<!--                农村-->
<!--            </value>-->
<!--            <value>-->
<!--                农村-->
<!--            </value>-->
<!--            <value>-->
<!--                农村-->
<!--            </value>-->
<!--        </list>-->
<!--    </constructor-arg>-->
</bean>
    <bean class="com.zking.ioc.web.GoodsAction" id="goodsAction">
<!--        <property name="userService" ref="userService"></property>-->
<!--    <property name="gname" value="雨伞"></property>-->
<!--        <property name="age" value="1"></property>-->
<!--        <property name="peoples" >-->
<!--            <list>-->
<!--                <value>男的</value>-->
<!--                <value>女的</value>-->
<!--            </list>-->
<!--        </property>-->
    </bean>
<bean class="com.zking.ioc.impl.UserServiceImpl1" id="userService"></bean>
    <bean class="com.zking.aop.biz.impl.BookBizImpl" id="bookBiz"></bean>
<bean class="com.zking.aop.advice.MyMethodBeforeAdvice" id="methodBeforeAdvice"></bean>
    <bean class="com.zking.aop.advice.MyAfterReturningAdvice" id="myAfterReturningAdvice"></bean>
    <bean class="com.zking.aop.advice.MyMethodInterceptor" id="methodInterceptor"></bean>
    <bean class="com.zking.aop.advice.MyThrowsAdvice" id="myThrowsAdvice"></bean>
    <bean class="org.springframework.aop.support.RegexpMethodPointcutAdvisor" id="methodPointcutAdvisor">
        <property name="advice"  ref="myAfterReturningAdvice"></property>
        <property name="pattern" value=".*buy"></property>
    </bean>
    <bean class="org.springframework.aop.framework.ProxyFactoryBean" id="bookProxy">
        <property name="target" ref="bookBiz"></property>
        <property name="proxyInterfaces">
            <list>
                <value>com.zking.aop.biz.IBookBiz</value>
            </list>
        </property>
        <property name="interceptorNames">
            <list>
                <value>methodBeforeAdvice</value>
<!--                <value>myAfterReturningAdvice</value>-->
                <value>methodPointcutAdvisor</value>
                <value>methodInterceptor</value>
                <value>myThrowsAdvice</value>
            </list>
        </property>
    </bean>
    <bean class="com.zking.beanlife.ParamAction" id="paramAction" scope="prototype">
        <constructor-arg name="name" value="三丰"></constructor-arg>
        <constructor-arg name="age" value="21"></constructor-arg>
        <constructor-arg name="hobby">
            <list>
                <value>抽烟</value>
                <value>烫头</value>
                <value>大保健</value>
            </list>
        </constructor-arg>
    </bean>
    <bean id="instanceFactory" class="com.zking.beanlife.InstanceFactory"
          scope="singleton" init-method="init" destroy-method="destroy"></bean>
</beans>

package com.zking.beanlife;
public class InstanceFactory {
  public void init() {
    System.out.println("初始化方法");
  }
  public void destroy() {
    System.out.println("销毁方法");
  }
  public void service() {
    System.out.println("业务方法");
  }
}