模拟实际开发过程的调用过程XML版-Setter方式注入
源码获取github
[TOC]
1.项目结构
2.jar包跟上个一样
3.重写set方法
UserServiceImpl.java
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private UserDao userDao;
public void (UserDao userDao) {
this.userDao = userDao;
}
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beans.xml
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<bean id="userDaoImpl" class="com.hs.dao.impl.UserDaoImpl"/>
<bean id="userServiceImpl" class="com.hs.service.impl.UserServiceImpl">
<property name="userDao">
<ref bean="userDaoImpl"/>
</property>
</bean>
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在set方法里代替完成了，private UserDao userDao = new userDaoImpl();
UserController.java
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private UserService userService;
public void setUserService(UserService userService) {
this.userService = userService;
}
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beans.xml
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10< 大专栏 Spring学习笔记（七）模拟实际开发过程的调用过程XML版-Setter方式注入/span>
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<bean id="userServiceImpl" class="com.hs.service.impl.UserServiceImpl">
<property name="userDao">
<ref bean="userDaoImpl"/>
</property>
</bean>
<bean id="userController" class="com.hs.web.UserController" p:userService-ref="userServiceImpl">
</bean>
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在set方法里代替完成了private UserService userService = new userServiceImpl();
4.测试
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package com.hs.test;
import com.hs.web.UserController;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class MethodTest {
public void test01() {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");
UserController controller = applicationContext.getBean("userController", UserController.class);
controller.add();
}
}
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控制台输出：
UserController层—>ADD
UserService层的实现类—>ADD
UserDao层的实现类—>ADD