Spring實(shí)戰(zhàn)之使用@Resource配置依賴操作示例

<?xml version="1.0" encoding="GBK"?>
<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-4.0.xsd
   http://www.springframework.org/schema/context
   http://www.springframework.org/schema/context/spring-context-4.0.xsd">
   <!-- 自動(dòng)掃描指定包及其子包下的所有Bean類 -->
   <context:component-scan
      base-package="org.crazyit.app.service"/>
</beans>

package org.crazyit.app.service;
public interface Axe
{
   public String chop();
}

package org.crazyit.app.service;
public interface Person
{
   public void useAxe();
}

package org.crazyit.app.service.impl;
import org.springframework.stereotype.*;
import javax.annotation.*;
import org.crazyit.app.service.*;
@Component
public class Chinese implements Person
{
  private Axe axe;
  // axe的setter方法
  @Resource(name="stoneAxe")
  public void setAxe(Axe axe)
  {
    this.axe = axe;
  }
  // 實(shí)現(xiàn)Person接口的useAxe()方法
  public void useAxe()
  {
    // 調(diào)用axe的chop()方法，
    // 表明Person對(duì)象依賴于axe對(duì)象
    System.out.println(axe.chop());
  }
}

package org.crazyit.app.service.impl;
import org.springframework.stereotype.*;
import org.crazyit.app.service.*;
@Component
public class SteelAxe implements Axe
{
  public String chop()
  {
    return "鋼斧砍柴真快";
  }
}

package org.crazyit.app.service.impl;
import org.springframework.stereotype.*;
import org.crazyit.app.service.*;
@Component
public class StoneAxe implements Axe
{
  public String chop()
  {
    return "石斧砍柴好慢";
  }
}

package lee;
 import org.springframework.context.*;
import org.springframework.context.support.*;
 import org.crazyit.app.service.*;
 public class BeanTest
{
  public static void main(String[] args)
  {
    // 創(chuàng)建Spring容器
    ApplicationContext ctx = new
      ClassPathXmlApplicationContext("beans.xml");
    Person person = ctx.getBean("chinese" , Person.class);
    person.useAxe();
  }
}