spring注解

相关文章：http://hi.baidu.com/iduany/item/37ba4b3a833ffcc1382ffa70，关键是简单明了

这篇文章挺管用的 

 

下面简单的列出实现注解的代码：

springtest.java

public static void main(String[] args) {

ApplicationContext ctx = new ClassPathXmlApplicationContext(new String[]{"beans.xml"});

productCreator pe=(productCreator)ctx.getBean("productCreator");

pe.execPdao();

 }

 

productCreator.java

 

public class productCreator {

@Resource

public personDao pDao=null;//注入personDao类

public productCreator(){

System.out.println("........正在被创建！");

}

public static personDao createPersonDao(){

return new personDao();

}

/****很奇怪，引入下面这段代码会报错，真不知道是什么原因*****/ 

// public personDao productAcreate(){

// return new personDao();

// }

public void execPdao(){

pDao.Test();

}

 

 personDao,java

 

 

public void Test(){

System.out.println("hello,spring");

}

 

bean.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"

xmlns:context="http://www.springframework.org/schema/context"

xsi:schemaLocation="http://www.springframework.org/schema/beans 

  http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

  http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context-2.5.xsd">

    <context:annotation-config/>

<!--  

直接配置javabean

<bean id="persondao" class="springdao.personDao" scope="prototype">

</bean>

-->

<!--  通过静态factory配置javabean

<bean id="productCreator" class="serviceImpl.productCreator" factory-method="createPersonDao">

</bean>

-->

<bean id="productCreator" class="serviceImpl.productCreator" scope="prototype"/>

<bean id="productAcreate" factory-bean="productCreator" factory-method="productAcreate" scope="singleton" lazy-init="true"/> 

<bean id="personDao" class="springdao.personDao"/>

</beans>

 

 

运行结果： 

........正在被创建！

 

hello,spring

 

转载于:https://www.cnblogs.com/php321/p/3393802.html