spring学习笔记（4）装配Bean 静态工厂 【资源来自网络 版权非本人】

package c_inject.b_static_factory;

public class MyBeanFactory {
 public static UserService createService(){
    return new UserserviceImpl();
 } 
}

<?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">
                              
                              
                              
      <!--   将静态工厂 的实例交给spring        
      class:全限定义类名
      factory-method：静态方法名
      
      
           --> 
      
      <bean id="userServiceId" class="c_inject.b_static_factory.MyBeanFactory" factory-method="createService" ></bean>
               
</beans>

package c_inject.b_static_factory;

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

import a.ioc.Uservice;

public class TestStaticFactory {

    @Test
    /*
     * 自定义工厂
     */
    public void demo01(){
        UserService uservice= MyBeanFactory.createService();
        uservice.addUser();
        };
        
    @Test    
    /*
     * spring 的工厂
     */
    public void demo02(){
        ApplicationContext application =new ClassPathXmlApplicationContext("c_inject/b_static_factory/beans.xml");
        UserService userService = (UserService) application.getBean("userServiceId");
        userService.addUser();

        
        
        
        
    };
        
        
             
    }