# Spring 2/24上課內容
###### tags: `Spring`

# 32 Spring動態網站開發

package tw.leonchen.action;

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

public class DemoStringAction {

	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		String value1 = context.getBean("string0", String.class);
		System.out.println("value1:"+ value1);
		
		String value2 = context.getBean("string1", String.class);
		System.out.println("value2:"+value2);
		
		((ConfigurableApplicationContext)context).close();
	}

}

# 33 Spring動態網站開發

<?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">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
</beans>


---
* **FullyQualifiedName**
* 

# 34 Spring動態網站開發

---
* property 參考bean id or value
* 

# 補昨天進度 4-1

package tw.leonchen.model;

public class LoginDao {
    public boolean checkLogin(String user, String pwd) {
    	
    	if("john".equalsIgnoreCase(user) && "test123".equalsIgnoreCase(pwd)) {
    		return true;
    	}
    	
    	return false;
    }
}

代建構子
不代參數建構子
* **建構子**
* 定義:任何class一定有建構子


package tw.leonchen.model;

public class LoginService {

	private LoginDao loginDao;

	public LoginService() {
	}
	
	public LoginService(LoginDao loginDao) {
		this.loginDao = loginDao;
	}

	public boolean checkLogin(String user, String pwd) {
		return loginDao.checkLogin(user, pwd);
	}
}

# 35 Spring動態網站開發

<?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">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
</beans>

---

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.LoginDao;

public class DemoLoginAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		LoginDao myLoginDao = context.getBean("loginDao", LoginDao.class);
		
		boolean result1 = myLoginDao.checkLogin("alice", "123Test");
		System.out.println("result1:" + result1);
		
		boolean result2 = myLoginDao.checkLogin("john", "test123");
		System.out.println("result2:" + result2);

		context.close();
	}

}


package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.LoginDao;
import tw.leonchen.model.LoginService;

public class DemoLoginAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		LoginDao myLoginDao = context.getBean("loginDao", LoginDao.class);
		
		boolean result1 = myLoginDao.checkLogin("alice", "123Test");
		System.out.println("result1:" + result1);
		
		boolean result2 = myLoginDao.checkLogin("john", "test123");
		System.out.println("result2:" + result2);
		
		LoginService loginService2 = context.getBean("loginService2", LoginService.class);
		boolean result3 = loginService2.checkLogin("mary", "123test123");
		System.out.println("result3:" + result3);

		context.close();
	}

}


* name屬性名子

<?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">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
</beans>

## DemoLoginAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.LoginDao;
import tw.leonchen.model.LoginService;

public class DemoLoginAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		LoginDao myLoginDao = context.getBean("loginDao", LoginDao.class);
		
		boolean result1 = myLoginDao.checkLogin("alice", "123Test");
		System.out.println("result1:" + result1);
		
		boolean result2 = myLoginDao.checkLogin("john", "test123");
		System.out.println("result2:" + result2);
		
		LoginService loginService2 = context.getBean("loginService2", LoginService.class);
		boolean result3 = loginService2.checkLogin("mary", "123test123");
		System.out.println("result3:" + result3);
		
		LoginService loginService1 = context.getBean("loginService1", LoginService.class);
		boolean result4 = loginService1.checkLogin("john", "test123");
		System.out.println("result4:" + result4);

		context.close();
	}

}

# 36 Spring動態網站開發(透過Setter/Constructor注入各種不同型態的資料)
* **不帶參數建構子**
* 

# 37 Spring動態網站開發

---
一定要有不帶參數建構子
不要大寫

# 38 Spring動態網站開發

---

# 39 Spring動態網站開發

---

# 40 Spring動態網站開發

---

# 41 Spring動態網站開發

---

# 42 Spring動態網站開發
[Date api](https://docs.oracle.com/javase/8/docs/api/)

## DateDao

package tw.leonchen.model;

import java.util.Date;

public class DateDao {

	private Date date;

	public DateDao(Date date) {
		this.date = date;
	}

	public Date getDate() {
		return date;
	}
    
}

## bean

<?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">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
    <!-- alt+/ -->
	   <constructor-arg ref="myDate"/>
	</bean>
	
</beans>

## DemoDateAction

package tw.leonchen.action;

import java.util.Date;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.DateDao;

public class DemoDateAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");

		DateDao dDao = context.getBean("dateDao", DateDao.class);
		Date date = dDao.getDate();
		System.out.println("date:" + date);
		
		context.close();
	}

}

# 42 Spring動態網站開發
* set 不重複 沒順序
* list 按照順序 可重複
* **LinkedHashSet**
* 不可重複 按照順序放入
* LinkedList 按照順序 可重複

# 43 Spring動態網站開發

---

## DateDao

package tw.leonchen.model;

import java.util.Date;
import java.util.Map;

public class DateDao {

	private Date date;
	private Map<String, String> map;

	public DateDao(Date date) {
		this.date = date;
	}
	
	public DateDao(Map<String, String> map) {
		this.map = map;
	}

	public Date getDate() {
		return date;
	}

	public Map<String, String> getMap() {
		return map;
	}
    
}

## bean

<?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">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
</beans>

## DemoDateAction

package tw.leonchen.action;

import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.DateDao;

public class DemoDateAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");

		DateDao dDao = context.getBean("dateDao", DateDao.class);
		Date date = dDao.getDate();
		System.out.println("date:" + date);
		
		DateDao dDaoMap =context.getBean("dateDaoMap", DateDao.class);
		Map<String, String> map = dDaoMap.getMap();
		
		Set<String> keys = map.keySet();
		Collection<String> values = map.values();
		Set<Entry<String, String>> mapping = map.entrySet();
		
		System.out.println("keys:" + keys);
		System.out.println("values:" + values);
		System.out.println("mapping:" + mapping);
		
		System.out.println("fruit1 Value:" + map.get("fruit1"));
		
		Iterator<String> i1 = keys.iterator();
		while(i1.hasNext()) {
			String key = i1.next();
			String value = map.get(key);
			System.out.println(key + ":" + value);
		}
		
		context.close();
	}

}

# 44 Spring動態網站開發

---

# 45 Spring動態網站開發
## DateDao

package tw.leonchen.model;

import java.util.Date;
import java.util.Map;

public class DateDao {

	private Date date;
	private Map<String, String> map;
	private String msg;
	
	public DateDao() {		
	}

	public DateDao(Date date) {
		this.date = date;
	}
	
	public DateDao(Map<String, String> map) {
		this.map = map;
	}

	public Date getDate() {
		return date;
	}

	public Map<String, String> getMap() {
		return map;
	}

	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}
    
}

## beans

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
</beans>

## DemoDateAction

package tw.leonchen.action;

import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.DateDao;

public class DemoDateAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");

		DateDao dDao = context.getBean("dateDao", DateDao.class);
		Date date = dDao.getDate();
		System.out.println("date:" + date);
		
		DateDao dDaoMap =context.getBean("dateDaoMap", DateDao.class);
		Map<String, String> map = dDaoMap.getMap();
		
		Set<String> keys = map.keySet();
		Collection<String> values = map.values();
		Set<Entry<String, String>> mapping = map.entrySet();
		
		System.out.println("keys:" + keys);
		System.out.println("values:" + values);
		System.out.println("mapping:" + mapping);
		
		System.out.println("fruit1 Value:" + map.get("fruit1"));
		
		Iterator<String> i1 = keys.iterator();
		while(i1.hasNext()) {
			String key = i1.next();
			String value = map.get(key);
			System.out.println(key + ":" + value);
		}
		
		DateDao dDaoMsg1 = context.getBean("dateDaoMsg1", DateDao.class);
		String msg1 = dDaoMsg1.getMsg();
		System.out.println("msg1:" + msg1);
		
		DateDao dDaoMsg2 = context.getBean("dateDaoMsg2", DateDao.class);
		String msg2 = dDaoMsg2.getMsg();
		System.out.println("msg2:" + msg2);
		
		context.close();
	}

}

# 46 Spring動態網站開發(Spring產生物件的方式)

---

# 47 Spring動態網站開發

## TruckBean

package tw.leonchen.model;

public class TruckBean {

	private int id;
	private String brand;

	public TruckBean() {
	}

	public TruckBean(int id, String brand) {
		this.id = id;
		this.brand = brand;
	}

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getBrand() {
		return brand;
	}

	public void setBrand(String brand) {
		this.brand = brand;
	}

}

## beans

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
</beans>

## DemoTruckBeanAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.TruckBean;

public class DemoTruckBeanAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		TruckBean tBean1 = context.getBean("truckBean", TruckBean.class);
		int id = tBean1.getId();
		String brand = tBean1.getBrand();
		
		System.out.println("id:" + id);
		System.out.println("brand:" + brand);
		
		context.close();

	}

}

# 47 Spring動態網站開發

## TruckBeanStaticFactory

package tw.leonchen.model;

import java.util.HashMap;

public class TruckBeanStaticFactory {
	private static HashMap<Integer, TruckBean> map = new HashMap<Integer, TruckBean>();

	static {
		map.put(1, new TruckBean(3, "ford"));
		map.put(2, new TruckBean(4,"tesla"));
	}
	
	public static TruckBean getTruckBean(int id) {
		return map.get(id);
	}
}

# 47.48 Spring動態網站開發

## beans

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
</beans>

# 48 Spring動態網站開發

## DemoTruckBeanAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.TruckBean;

public class DemoTruckBeanAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		TruckBean tBean1 = context.getBean("truckBean", TruckBean.class);
		int id = tBean1.getId();
		String brand = tBean1.getBrand();
		
		System.out.println("id:" + id);
		System.out.println("brand:" + brand);
		
		TruckBean fordTruck = context.getBean("fordTruck", TruckBean.class);
		System.out.println("ID:" + fordTruck.getId());
		System.out.println("Brand:" + fordTruck.getBrand());
		
		TruckBean teslaTruck = context.getBean("teslaTruck", TruckBean.class);
		System.out.println("ID:" + teslaTruck.getId());
		System.out.println("Brand:" + teslaTruck.getBrand());
		
		context.close();

	}

}

# 49 Spring動態網站開發

## TruckBeanFactory

package tw.leonchen.model;

import java.util.HashMap;

public class TruckBeanFactory {
    private HashMap<Integer, TruckBean> map = new HashMap<Integer, TruckBean>();

	public void setMap(HashMap<Integer, TruckBean> map) {
		this.map = map;
	}
    
	public TruckBean getTruckBean(int id) {
		return map.get(id);
	}
}

## beans

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="truckBeanFactory" class="tw.leonchen.model.TruckBeanFactory">
	   <property name="map">
	      <map>
	         <entry key="1">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="5"/>
	               <property name="brand" value="bmw"/>
	            </bean>
	         </entry>
	         <entry key="2">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="6"/>
	               <property name="brand" value="benz"/>
	            </bean>
	         </entry>
	      </map>
	   </property>
	</bean>
	
</beans>

# 50 Spring動態網站開發

## beans

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="truckBeanFactory" class="tw.leonchen.model.TruckBeanFactory">
	   <property name="map">
	      <map>
	         <entry key="1">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="5"/>
	               <property name="brand" value="bmw"/>
	            </bean>
	         </entry>
	         <entry key="2">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="6"/>
	               <property name="brand" value="benz"/>
	            </bean>
	         </entry>
	      </map>
	   </property>
	</bean>
	
	<bean id="bmwTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="benzTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
</beans>

## DemoTruckBeanAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.TruckBean;

public class DemoTruckBeanAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		TruckBean tBean1 = context.getBean("truckBean", TruckBean.class);
		int id = tBean1.getId();
		String brand = tBean1.getBrand();
		
		System.out.println("id:" + id);
		System.out.println("brand:" + brand);
		
		TruckBean fordTruck = context.getBean("fordTruck", TruckBean.class);
		System.out.println("ID:" + fordTruck.getId());
		System.out.println("Brand:" + fordTruck.getBrand());
		
		TruckBean teslaTruck = context.getBean("teslaTruck", TruckBean.class);
		System.out.println("ID:" + teslaTruck.getId());
		System.out.println("Brand:" + teslaTruck.getBrand());
		
		TruckBean benzTruck = context.getBean("benzTruck", TruckBean.class);
		System.out.println("ID:" + benzTruck.getId());
		System.out.println("Brand:" + benzTruck.getBrand());
		
		context.close();

	}

}

# 51 Spring動態網站開發(使用註釋(Annotation)說明Bean的組裝資訊)

# 52 Spring動態網站開發

## beans

<?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:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
		
	<context:annotation-config/>
	<context:component-scan base-package="tw.leonchen"/>	

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="truckBeanFactory" class="tw.leonchen.model.TruckBeanFactory">
	   <property name="map">
	      <map>
	         <entry key="1">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="5"/>
	               <property name="brand" value="bmw"/>
	            </bean>
	         </entry>
	         <entry key="2">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="6"/>
	               <property name="brand" value="benz"/>
	            </bean>
	         </entry>
	      </map>
	   </property>
	</bean>
	
	<bean id="bmwTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="benzTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
</beans>

# 53 Spring動態網站開發

---
* @Component:我
*
# 54 Spring動態網站開發

---

# 55 Spring動態網站開發

---

# 56 Spring動態網站開發

## Animal

package tw.leonchen.model;

import org.springframework.stereotype.Component;

@Component(value="animal")
public class Animal {
	private int id;
	private String name;
	private String continent;

	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 String getContinent() {
		return continent;
	}

	public void setContinent(String continent) {
		this.continent = continent;
	}

}

## DemoAnimalAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.Animal;

public class DemoAnimalAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");		

		Animal myAnimal = context.getBean("animal", Animal.class);
		myAnimal.setId(1000);
		myAnimal.setName("Tiger");
		myAnimal.setContinent("ASIA");
		
		System.out.println("ID:" + myAnimal.getId());
		System.out.println("Name:" + myAnimal.getName());
		System.out.println("Continent:" + myAnimal.getContinent());
		
		context.close();
	}

}

# 57 Spring動態網站開發(@Autowired)

---

# 58 Spring動態網站開發

---

# 59 Spring動態網站開發

## AnimalDao
* @AutoWired:讓程式自己找


package tw.leonchen.model;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

@Repository(value = "animalDao")
public class AnimalDao {
	@Autowired
    private Animal animal;
    
    public void showDetails() {
    	System.out.println("id:" + animal.getId());
    	System.out.println("name:" + animal.getName());
    	System.out.println("continent:" + animal.getContinent());
    }
}

## DemoAnimalAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.Animal;
import tw.leonchen.model.AnimalDao;

public class DemoAnimalAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");		

		Animal myAnimal = context.getBean("animal", Animal.class);
		myAnimal.setId(1000);
		myAnimal.setName("Tiger");
		myAnimal.setContinent("ASIA");
		
		System.out.println("ID1:" + myAnimal.getId());
		System.out.println("Name1:" + myAnimal.getName());
		System.out.println("Continent1:" + myAnimal.getContinent());
		
		AnimalDao aDao = context.getBean("animalDao", AnimalDao.class);
		aDao.showDetails();
		
		context.close();
	}

}

## beans

<?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:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
		
	<context:annotation-config/>
	<context:component-scan base-package="tw.leonchen"/>
	
	<bean id="animal1" class="tw.leonchen.model.Animal">
	   <property name="id" value="1001"/>
	   <property name="name" value="camel"/>
	   <property name="continent" value="africa"/>
	</bean>	
	
	<bean id="animal2" class="tw.leonchen.model.Animal">
	   <property name="id" value="1002"/>
	   <property name="name" value="panda"/>
	   <property name="continent" value="asia"/>
	</bean>	

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="truckBeanFactory" class="tw.leonchen.model.TruckBeanFactory">
	   <property name="map">
	      <map>
	         <entry key="1">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="5"/>
	               <property name="brand" value="bmw"/>
	            </bean>
	         </entry>
	         <entry key="2">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="6"/>
	               <property name="brand" value="benz"/>
	            </bean>
	         </entry>
	      </map>
	   </property>
	</bean>
	
	<bean id="bmwTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="benzTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
</beans>

## AnimalDao

package tw.leonchen.model;

import org.springframework.beans.factory.annotation.Autowired;
import package tw.leonchen.model;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Repository;

@Repository(value="animalDao")
public class AnimalDao {
	@Autowired @Qualifier(value="animal2")//beans id
	private Animal animal;
	
	public void showDetails() {
		System.out.println("id:"+animal.getId());
		System.out.println("name:"+animal.getName());
		System.out.println("Continent:"+animal.getContinent());
		
		
		
	}
}

# 59 Spring動態網站開發
set

# 60 Spring動態網站開發
Constructor

# 61 Spring動態網站開發

# 62 Spring動態網站開發(系統常數檔案化)

## tree.properties

name=MapleTree
age=18

# 63 Spring動態網站開發

## beans
[spring api](https://docs.spring.io/spring-framework/docs/current/javadoc-api/)

<?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:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
		
	<context:annotation-config/>
	<context:component-scan base-package="tw.leonchen"/>
	
	<bean id="animal1" class="tw.leonchen.model.Animal">
	   <property name="id" value="1001"/>
	   <property name="name" value="camel"/>
	   <property name="continent" value="africa"/>
	</bean>	
	
	<bean id="animal2" class="tw.leonchen.model.Animal">
	   <property name="id" value="1002"/>
	   <property name="name" value="panda"/>
	   <property name="continent" value="asia"/>
	</bean>	

    <!-- LogProvider logProvider = new LogProvider();  -->
	<bean id="logProvider" class="tw.leonchen.util.LogProvider"/>
	
	<bean id="string0" name="string1, string2" class="java.lang.String">
	   <constructor-arg value="Test Information"/>
	</bean>
	
	<!-- LoginDao loginDao = new LoginDao(); -->
	<bean id="loginDao" class="tw.leonchen.model.LoginDao"/>
	
	<!-- LoginService loginService2 = new LoginService(loginDao); -->
	<bean id="loginService2" class="tw.leonchen.model.LoginService">
	   <constructor-arg ref="loginDao"/>
	</bean>
	
	<!-- 
	    LoginService loginService1 = new LoginService(); 
	    loginService1.setLoginDao(loginDao);
	-->	
	<bean id="loginService1" class="tw.leonchen.model.LoginService">
	   <property name="loginDao" ref="loginDao"/>
	</bean>
	
	<bean id="myDate" class="java.util.Date"/>
	
	<bean id="dateDao" class="tw.leonchen.model.DateDao">
	   <constructor-arg ref="myDate"/>
	</bean>
	
	<bean id="dateDaoMap" class="tw.leonchen.model.DateDao">
	   <constructor-arg>
	      <map>
	        <entry key="fruit1" value="banana"/>
	        <entry key="fruit2" value="apple"/>
	      </map>
	   </constructor-arg>
	</bean>
	
	<bean id="dateDaoMsg1" class="tw.leonchen.model.DateDao">
	   <property name="msg" value="good day"/>
	</bean>
	
	<bean id="dateDaoMsg2" class="tw.leonchen.model.DateDao" p:msg="have a good time"/>
	
	<bean id="truckBean" class="tw.leonchen.model.TruckBean">
	    <constructor-arg name="id" value="100"/>
	    <constructor-arg name="brand" value="toyota"/>
	</bean>
	
	<bean id="fordTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
	<bean id="teslaTruck" class="tw.leonchen.model.TruckBeanStaticFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="truckBeanFactory" class="tw.leonchen.model.TruckBeanFactory">
	   <property name="map">
	      <map>
	         <entry key="1">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="5"/>
	               <property name="brand" value="bmw"/>
	            </bean>
	         </entry>
	         <entry key="2">
	            <bean class="tw.leonchen.model.TruckBean">
	               <property name="id" value="6"/>
	               <property name="brand" value="benz"/>
	            </bean>
	         </entry>
	      </map>
	   </property>
	</bean>
	
	<bean id="bmwTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="1"/>
	</bean>
	
1. 	<bean id="benzTruck" factory-bean="truckBeanFactory" factory-method="getTruckBean">
	   <constructor-arg value="2"/>
	</bean>
	
	<bean id="props" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
	  <property name="location">
	     <value>classpath:tree.properties</value>
	  </property>
	</bean>
	
</beans>

# 63 Spring動態網站開發

## TreeBean

package tw.leonchen.model;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component("tree")
@Scope("singleton")
public class TreeBean {
	
	@Value("#{props.name}")
	private String name;
	
	@Value("#{props.age}")
	private int age;

	public String getName() {
		return name;
	}

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

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

}

## DemoTreeBeanAction

package tw.leonchen.action;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import tw.leonchen.model.TreeBean;

public class DemoTreeBeanAction {

	public static void main(String[] args) {
		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("beans.config.xml");
		
		TreeBean tBean = context.getBean("tree", TreeBean.class);
		System.out.println("Name:" + tBean.getName());
		System.out.println("Age:" + tBean.getAge());
		
		context.close();
	}

}

## TreeBean

package tw.leonchen.model;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component("tree")
@Scope("singleton")
@PropertySource("classpath:tree.properties")
public class TreeBean {
	
	//@Value("#{props.name}")
	@Value("${name}")
	private String name;
	
	//@Value("#{props.age}")
	@Value("${age}")
	private int age;

	public String getName() {
		return name;
	}

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

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

}