11级_Java_曹建波 04.25 Spring便历Collection集合

package www.csdn.spring.collection.set;

public class User {
private String name;
private Integer age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}

}

package www.csdn.spring.collection.set;

import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

public class CollectionBean {
public Set<String> sets;

public void setSets(Set<String> sets) {
this.sets = sets;
}

public CollectionBean() {
super();
System.out.println("=================================");
}

public List<User> users;

public void setUsers(List<User> users) {
this.users = users;
}

public Map<Integer,User> map;

public void setMap(Map<Integer, User> map) {
this.map = map;
}

public Properties props;

public void setProps(Properties props) {
this.props = props;
}

}

package www.csdn.spring.collection.set;

import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;

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

public class TestBean {

@Test
public void testSets(){
ApplicationContext context=new ClassPathXmlApplicationContext("classpath:spring-collection.xml");
CollectionBean bean=context.getBean("collectionBean",CollectionBean.class);
Set<String> sets=bean.sets;
Iterator<String> it=sets.iterator();
while(it.hasNext()){
System.out.println(it.next());

}

System.out.println("----------------------List--------------");
List<User> users=bean.users;
for(User u:users){
System.out.println(u.getName()+"------"+u.getAge());
}

System.out.println("----------------------map--------------");

Map<Integer, User> map=bean.map;
Set<Integer> setKeys=map.keySet();
Iterator<Integer> itKeys=setKeys.iterator();
while(itKeys.hasNext()){
Integer key=itKeys.next();
User user=map.get(key);
System.out.println(key+":--"+user.getName()+"--"+user.getAge());
}

System.out.println("----------------------map2--------------");

Set<Entry<Integer,User>> setentry=map.entrySet();
Iterator<Entry<Integer, User>> itentry=setentry.iterator();
while(itentry.hasNext()){
Entry<Integer, User> entry=itentry.next();
System.out.println(entry.getKey()+"----"+entry.getValue().getName()+"----"+entry.getValue().getAge());
}

System.out.println("----------------------props--------------");

Properties props=bean.props;
Set<String> setprops=props.stringPropertyNames();
Iterator<String> keystr=setprops.iterator();
while(keystr.hasNext()){

String key=keystr.next();
System.out.println(key+"----"+props.getProperty(key));
}
}
}

<?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="collectionBean" class="www.csdn.spring.collection.set.CollectionBean"
scope="singleton" lazy-init="default">
<property name="sets">
<set>
<value>哈哈哈</value>
<value>嘿嘿嘿</value>
<value>呵呵呵</value>
<value>ASDA</value>
<value>哈啊啊是是哈</value>
<value>哈啊三哈</value>
</set>
</property>

<property name="users">
<array>
<ref bean="u1" />
<ref bean="u2" />
<ref bean="u3" />
<ref bean="u4" />
</array>
</property>

<property name="map">
<map>
<entry key="1" value-ref="u1" />
<entry key="2">
<ref bean="u2" />
</entry>
<entry key="3" value-ref="u3" />
</map>
</property>

<property name="props">
<props>
<prop key="1">jdbc:mysql</prop>
<prop key="2">jdbc:oracle</prop>
<prop key="3">jdbc:access</prop>
</props>
</property>
</bean>

<bean id="u1" class="www.csdn.spring.collection.set.User">
<property name="name" value="张三" />
<property name="age" value="28" />
</bean>
<bean id="u2" class="www.csdn.spring.collection.set.User">
<property name="name" value="李四" />
<property name="age" value="28" />
</bean>
<bean id="u3" class="www.csdn.spring.collection.set.User">
<property name="name" value="王五" />
<property name="age" value="30" />
</bean>
<bean id="u4" class="www.csdn.spring.collection.set.User">
<property name="name" value="马六" />
<property name="age" value="28" />
</bean>
</beans>