Spring Mvc 实例

package com.spring.test;

public interface IHelloMessage {
    public String sayHello();

}

 

package com.spring.test;

public class HelloChina implements IHelloMessage {

    public String sayHello() {
        // TODO Auto-generated method stub
        return "你好中国！";
    }

}

package com.spring.test;

public class HelloWorld implements IHelloMessage {

    public String sayHello() {
        // TODO Auto-generated method stub
        return "Hello World!";
    }

}

package com.spring.test;

public class Person {
    private IHelloMessage helloMessage;

    public IHelloMessage getHelloMessage() {
        return helloMessage;
    }

    public void setHelloMessage(IHelloMessage helloMessage) {
        this.helloMessage = helloMessage;
    }

    public String sayHello() {
        // TODO Auto-generated method stub
        return this.helloMessage.sayHello();
    }

}

package com.spring.test;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;

public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        Resource resource = new FileSystemResource("helloMessage.xml");
        @SuppressWarnings("deprecation")
        BeanFactory factory = new XmlBeanFactory(resource);
        Person person = (Person) factory.getBean("person");
        String string = person.sayHello();
        System.out.println("please to say" + string);

    }

}

<?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">

    <bean id="helloWorld" class="com.spring.test.HelloWorld">
    </bean>
    <bean id="helloChina" class="com.spring.test.HelloChina">
    </bean>
    <bean id="person" class="com.spring.test.Person">
        <property name="helloMessage" ref="helloChina" />
    </bean>

</beans>