Spring系列【6】@Resource注解实现Bean的注入

Book.java

 1 package cn.com.xf;
 2
 3 public class Book {
 4     private String name;
 5     private double price;
 6     public String getName() {
 7         return name;
 8     }
 9     public void setName(String name) {
10         this.name = name;
11     }
12     @Override
13     public String toString() {
14         return "Book [name=" + name + ", price=" + price + "]";
15     }
16     public double getPrice() {
17         return price;
18     }
19     public void setPrice(double price) {
20         this.price = price;
21     }
22 }

Person.java

注意：@Resource(name="book")位置

 1 package cn.com.xf;
 2
 3 import javax.annotation.Resource;
 4
 5 public class Person {
 6     private String address;
 7     @Resource(name="book")
 8     private Book book;
 9     public String getAddress() {
10         return address;
11     }
12     public void setAddress(String address) {
13         this.address = address;
14     }
15     @Override
16     public String toString() {
17         return "Person [address=" + address + ", book=" + book + "]";
18     }
19     public Book getBook() {
20         return book;
21     }
22     public void setBook(Book book) {
23         this.book = book;
24     }
25 }

Spring配置文件：声明 org.springframework.context.annotation.CommonAnnotationBeanPostProcessor 类

<?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="book" class="cn.com.xf.Book">
        <property name="name" value="java系列丛书"></property>
        <property name="price" value="34.56"></property>
    </bean>
    <bean id="person" class="cn.com.xf.Person">
        <property name="address" value="河南省淅县"></property>
    </bean>
    <bean
        class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor">
    </bean>
</beans>

测试类：正确返回结果.

 1 package cn.com.xf;
 2
 3 import org.springframework.context.ConfigurableApplicationContext;
 4 import org.springframework.context.support.ClassPathXmlApplicationContext;
 5
 6 public class MainTest {
 7
 8     public static void main(String[] args) {
 9         ConfigurableApplicationContext ctx=new ClassPathXmlApplicationContext("applicationContext.xml");
10         Person p=(Person) ctx.getBean("person");
11         System.out.println(p);
12         ctx.close();
13     }
14 }