package com.songyan.demo1;

/**

 * 要创建的对象类

 * @author sy

 *

 */

public class User {

private String name;

private int age ;

public String getName() {

    return name;

}

public void setName(String name) {

    this.name = name;

}

public int getAge() {

    return age;

}

public void setAge(int age) {

    this.age = age;

}

}

package com.songyan.staticfactory;

import com.songyan.demo1.User;

/**

 * 创建User对象的工厂类

 * @author sy

 *

 */

public class UserFactory {

    /**

     * 该方法必须是static的

     * @return 工厂要创建的对像

     */

public static User createUser()

{

    return new User();

}

}

 <?xml version="1.0" encoding="UTF-8"?>

 <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd ">

     <!--通过构造函数创建对象  -->

     <bean id="userid" class="com.songyan.demo1.User"></bean>

     <!--通过静态工厂创建对象  -->

     <!--通过 com.songyan.staticfactory.UserFactory类中的createUser方法创建名为user2的对象 -->

     <bean name="user2" class="com.songyan.staticfactory.UserFactory" factory-method="createUser"></bean>

 </beans>

 package com.songyan.Test;

 import org.springframework.context.ApplicationContext;

 import org.springframework.context.support.ClassPathXmlApplicationContext;

 import com.songyan.demo1.User;

 public class Client {

 public static void main(String[] args) {

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

     /*User user=(User)applicationContext.getBean("userid");

     System.out.println(user);*/

     User user2=(User)applicationContext.getBean("user2");

     System.out.println(user2);

 }

 }