Hello Spring（4）Dao

文件结构

user.Bean.java

 1 package user;
 2 
 3 public class Bean {
 4     
 5     private String name;
 6     private String passwork;
 7     
 8     public String getName() {
 9         return name;
10     }
11     public void setName(String name) {
12         this.name = name;
13     }
14     public String getPasswork() {
15         return passwork;
16     }
17     public void setPasswork(String passwork) {
18         this.passwork = passwork;
19     }
20     
21     
22 
23 }

user.Dao.java

1 package user;
2 
3 public interface Dao {
4     
5     public void register( Bean bean );
6 
7 }

user.DaoImpl.java

 1 package user;
 2 
 3 import java.sql.Connection;
 4 
 5 import test.ConnectionUtility;
 6 
 7 public class DaoImpl implements Dao {
 8 
 9     private ConnectionUtility connectionUtility;
10     
11     
12     
13     public ConnectionUtility getConnectionUtility() {
14         return connectionUtility;
15     }
16 
17 
18 
19     public void setConnectionUtility(ConnectionUtility connectionUtility) {
20         this.connectionUtility = connectionUtility;
21     }
22 
23 
24 
25     public void register( Bean bean ){
26         
27         Connection conn = connectionUtility.getConnection();
28         System.out.println(conn);
29         System.out.println("哈哈，天空真蓝，世界平静了！");
30         
31     }
32     
33 }

beans.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <!DOCTYPE beans PUBLIC "" "http://www.springframework.org/dtd/spring-beans.dtd" >
 3 <beans>
 4 
 5     <bean id="connectionUtility" class="test.ConnectionUtility">
 6         <property name="userName" value="Livon"></property>
 7         <property name="password" value="Livon_2012"></property>
 8         <property name="dbUrl" value="jdbc:mysql://192.168.1.136:3306/db_epolice"></property>
 9         <property name="dbDriver" value="com.mysql.jdbc.Driver"></property>
10     </bean>
11 
12     <bean id="userDao" class="user.DaoImpl">
13         <property name="connectionUtility" ref="connectionUtility"></property>
14     </bean>
15 
16 </beans>

test.Tester.java

 1 package test;
 2 
 3 import org.springframework.beans.factory.BeanFactory;
 4 import org.springframework.beans.factory.xml.XmlBeanFactory;
 5 import org.springframework.core.io.ClassPathResource;
 6 import org.springframework.core.io.Resource;
 7 
 8 import user.Dao;
 9 
10 @SuppressWarnings("deprecation")
11 public class Tester {
12     
13     public static void main( String[] args){
14         
15         Resource r = new ClassPathResource("beans.xml");
16         BeanFactory factory = new XmlBeanFactory(r);
17         
18         user.Dao dao = (Dao) factory.getBean("userDao");
19         dao.register( new user.Bean());
20         
21     }
22 
23 }

result