Spring 4.0.2 学习笔记(2) - 自动注入及properties文件的使用

<?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.xsd
       http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd"
       default-autowire="byName">

    <context:annotation-config/>

    <bean id="jimmy" class="com.cnblogs.yjmyzz.domain.Programmer"/>

    <bean id="computerlist" class="java.util.ArrayList">
        <constructor-arg>
            <list>
                <bean class="com.cnblogs.yjmyzz.domain.MacBook"/>
                <bean id="t60" class="com.cnblogs.yjmyzz.domain.ThinkPad"/>
            </list>
        </constructor-arg>
    </bean>

    <bean id="wangcai" class="com.cnblogs.yjmyzz.domain.Dog"/>

    <bean id="jimmy_name" class="java.lang.String">
        <constructor-arg>
            <value>jimmy.yang</value>
        </constructor-arg>
    </bean>

</beans>

package com.cnblogs.yjmyzz.domain;
import javax.annotation.Resource;

import java.util.List;
public class Programmer {

    @Resource(name = "jimmy_name")
    private String name;

    @Resource(name = "wangcai")
    private Pet pet;

    @Resource(name = "computerlist")
    private List<Computer> computers;


    public void show() {
        System.out.print("My name is " + name);
        System.out.print(", and I have " + computers.size() + " computer" + (computers.size() > 1 ? "s" : "") + ":");
        System.out.println();
        for (Computer c : computers) {
            c.showInfo();
        }
        System.out.println("And I have a pet, everyday,when I go home, it will welcome me by  ");
        pet.welcomeMeToHome();

    }
}