Java Spring Tutorial -- autowire自动装配

文件结构：



package com.zxl.aop;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.zxl.aop.service.ShapeService;

public class AppMain {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext ctx=new ClassPathXmlApplicationContext("spring.xml");
//ShapeService shapeService=(ShapeService)ctx.getBean("shapeService");
ShapeService shapeService=ctx.getBean("shapeService",ShapeService.class);
System.out.println(shapeService.getCircle().getName());

}

}

package com.zxl.aop.model;

public class Circle {
private String name;

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}
}

package com.zxl.aop.model;

public class Triangle {
private String name;

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}
}

package com.zxl.aop.service;

import com.zxl.aop.model.Circle;
import com.zxl.aop.model.Triangle;

public class ShapeService {
private Circle circle;
private Triangle triangle;

public Circle getCircle() {
return circle;
}
public void setCircle(Circle circle) {
this.circle = circle;
}
public Triangle getTriangle() {
return triangle;
}
public void setTriangle(Triangle triangle) {
this.triangle = triangle;
}
}

<?xml version="1.0" encoding="GBK"?>

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.springframework.org/schema/beans"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> 
<bean name="triangle" class="com.zxl.aop.model.Triangle">
<property name="name" value="triangle name"/>
</bean>

<bean name="circle" class="com.zxl.aop.model.Circle">
<property name="name" value="Circle name"/>
</bean>
<!-- autowire自动装配 -->
<bean name="shapeService" class="com.zxl.aop.service.ShapeService" autowire="byName" />

</beans>