Spring

 1 /**
 2  * 用户管理DAO层接口
 3  * @author Administrator
 4  *
 5  */
 6 
 7 public interface UserDao {
 8     
 9     public void save();
10     
11 }

 1 /**
 2  * 用户管理Dao层的实现类
 3  * @author Administrator
 4  *
 5  */
 6 
 7 public class UserDaoImpl implements UserDao {
 8 
 9     private String name;
10     
11     
12     
13     public String getName() {
14         return name;
15     }
16 
17 
18 
19     public void setName(String name) {
20         this.name = name;
21     }
22 
23 
24 
25     public void save() {
26         System.out.println("UserDaoImpi执行了................"+name);
27     }
28 
29     
30 
31 }

1 <?xml version="1.0" encoding="UTF-8"?>
2 <beans     xmlns="http://www.springframework.org/schema/beans"
3         xmlns:p="http://www.springframework.org/schema/p"
4         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
5         xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
6      
7     <!-- Spring的入门配置 -->
8         <bean id="UserDao" class="com.zmy.spring.demo1.UserDaoImpl"> </bean>

 1 import org.junit.Test;
 2 import org.springframework.context.ApplicationContext;
 3 import org.springframework.context.support.ClassPathXmlApplicationContext;
 4 
 5 /**
 6  * Spring的入门
 7  * @author Administrator
 8  *
 9  */
10 
11 public class SpringDemo01 {
12 
13     @Test
14     //Spring的方式的调用
15     public void demo01() {
16         //创建spring工厂
17         ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
18         UserDao userDao = (UserDao) applicationContext.getBean("UserDao");
19         userDao.save();
20         
21     }
22     
23 }

 1 　　依赖
 2 
 3 Class A{
 4 
 5  
 6 
 7 }
 8 
 9  
10 
11 Class B{
12 
13 　　public void xxx(A a){
14 
15  
16 
17 　　}
18 
19 }
20 
21 　　继承:is a
22 
23 Class A{
24 
25  
26 
27 }
28 
29 Class B extends A{
30 
31  
32 
33 }
34 
35 　　聚合:has a

1 <!-- 构造方法的方式 -->
2      <bean id="Car2" class="com.zmy.spring.demo1.Car2">
3          <constructor-arg name="name" value="奔驰" />
4          <constructor-arg name="price" value="80000"/>
5      </bean>

<!-- set方法的方式 -->
    <bean id="Car" class="com.zmy.spring.demo1.Car">
        <property name="name" value="宝马"/>
        <property name="price" value="10000"/>
    </bean>

<?xml version="1.0" encoding="UTF-8"?>
<beans     xmlns="http://www.springframework.org/schema/beans"
        xmlns:p="http://www.springframework.org/schema/p"
        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">

1 <bean id="Car" class="com.zmy.spring.demo1.Car" p:name="杨戬"  p:price="18888"></bean>    
2     <bean id="Car3" class="com.zmy.spring.demo1.Car3"  p:name="花木兰" p:Car-ref="Car"></bean>

 1 <!-- Spel的属性注入 -->
 2     <bean id="User" class="com.zmy.spring.demo1.User"></bean>
 3     <bean id="Car" class="com.zmy.spring.demo1.Car"  >
 4         <property name="name"  value="#{User.name}"></property>
 5         <property name="price"  value="#{User.calculatorPrice()}"></property>
 6     </bean>
 7     <bean id="Car3" class="com.zmy.spring.demo1.Car3" >
 8         <property name="name"  value="#{‘花木兰‘}"></property>
 9         <property name="Car"  value="#{Car}"></property>
10     </bean> 

 1 <!-- spring 的集合注入================== -->
 2         <!-- 注入数组类型 -->
 3     <bean id="collectionBean" class="com.zmy.spring.demo2.CollectionBean">
 4          <!-- 数组类型 -->
 5         <property name="arrs">
 6             <list>
 7                 <value>诸葛亮</value>
 8                 <value>貂蝉</value>
 9                 <value>小乔</value>
10             </list>
11         </property>
12    　　　 <!-- 注入list集合 -->
13         <property name="list">
14             <list>
15                 <value>诸葛亮</value>
16                 <value>貂蝉</value>
17                 <value>小乔</value>
18             </list>
19         </property>
20       　　<!-- 注入set集合 -->
21         <property name="set">
22             <set>
23                 <value>诸葛亮</value>
24                 <value>貂蝉</value>
25                 <value>小乔</value>
26             </set>
27         </property>
28           <!-- 注入Map集合 -->
29         <property name="map">
30             <map>
31                 <entry key="aaa" value="111"/>
32                 <entry key="bbb" value="222"/>
33                 <entry key="ccc" value="333"/>
34             </map>
35         </property>
36     </bean>