Autowired注解

package com.how2java.pojo;
 
import org.springframework.beans.factory.annotation.Autowired;
 
public class Product {
 
    private int id;
    private String name;
    @Autowired
// 等价于 @Resource(name="c")
private Category category; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Category getCategory() { return category; } // @Autowired public void setCategory(Category category) { this.category = category; } }
--------------------Category类-----------------

package com.how2java.pojo;

public class Category {

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
private int id;
private String name;
}

--------------------------
<?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:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
   http://www.springframework.org/schema/beans 
   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
   http://www.springframework.org/schema/aop 
   http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
   http://www.springframework.org/schema/tx 
   http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
   http://www.springframework.org/schema/context      
   http://www.springframework.org/schema/context/spring-context-3.0.xsd">
  
    <context:annotation-config/>  //使用注解
    <bean name="c" class="com.how2java.pojo.Category">
        <property name="name" value="category 1" />
    </bean>
    <bean name="p" class="com.how2java.pojo.Product">
        <property name="name" value="product1" />
<!--         <property name="category" ref="c" /> --> //已经注解     @Resource
    </bean>
  
</beans>

-----------------------

package com.how2java.test;

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

import com.how2java.pojo.Product;

public class TestSpring {

public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext(new String[] { "applicationContext.xml" });
Product p = (Product) context.getBean("p");
System.out.println(p.getName());
System.out.println(p.getCategory().getName());
}
}

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posted @ 2017-11-17 16:29  Code~Rush  阅读(246)  评论(0编辑  收藏  举报