spring--集合注入(常规方法)

数据，list，set，map，Properties 集合注入

package Spring_collections;

/**

 * Created by luozhitao on 2017/8/11.

 */

public class Employee {

    public int getAge() {

        return age;

    }

    public void setAge(int age) {

        this.age = age;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    private int age;

    private  String name;

    public Employee(int age, String name) {

        this.age = age;

        this.name = name;

    }

  public Employee(){}

}

package Spring_collections;

import java.util.List;

import java.util.Map;

import java.util.Properties;

import java.util.Set;

/**

 * Created by luozhitao on 2017/8/11.

 */

public class Employee_collection {

    public String[] getEmpName() {

        return empName;

    }

    public void setEmpName(String[] empName) {

        this.empName = empName;

    }

    public List<Employee> getEmpList() {

        return empList;

    }

    public void setEmpList(List<Employee> empList) {

        this.empList = empList;

    }

    public Set<Employee> getEmpSets() {

        return empSets;

    }

    public void setEmpSets(Set<Employee> empSets) {

        this.empSets = empSets;

    }

    public Map<String, Employee> getEmpMaps() {

        return empMaps;

    }

    public void setEmpMaps(Map<String, Employee> empMaps) {

        this.empMaps = empMaps;

    }

    public Properties getPp() {

        return pp;

    }

    public void setPp(Properties pp) {

        this.pp = pp;

    }

    private String [] empName;

    private List<Employee> empList;

    private Set<Employee> empSets;

    private Map<String,Employee> empMaps;

    private Properties pp;

}

package Spring_collections;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.Iterator;

import java.util.Map;

/**

 * Created by luozhitao on 2017/8/11.

 */

public class Emp_app {

    public static void main(String [] args){

        ApplicationContext context=new ClassPathXmlApplicationContext("collection_beans.xml");

        Employee_collection employee_collection=(Employee_collection)context.getBean("collection_emp");

        //数组

        for (String str:employee_collection.getEmpName()){

            System.out.println("集合 "+str);

        }

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

        //list

        for(Employee emp:employee_collection.getEmpList()){

            System.out.println("list"+emp.getName()+"--"+emp.getAge());

        }

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

        //set

        for(Employee emp:employee_collection.getEmpSets()){

            System.out.println("set"+emp.getName()+"--"+emp.getAge());

        }

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

        //map

         Map<String,Employee> map=employee_collection.getEmpMaps();

       for (Map.Entry<String,Employee> m:employee_collection.getEmpMaps().entrySet()){

           System.out.println("map"+m.getKey()+":"+m.getValue().getName());

       }

        //迭代器方式

        System.out.println("map迭代器方式----------------");

        Iterator<String> iterator=employee_collection.getEmpMaps().keySet().iterator();

        while (iterator.hasNext()){

            Employee e=map.get(iterator.next());

            System.out.println("maps迭代器"+e.getName()+"--"+e.getAge());

        }

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

        //properties

        for(Map.Entry<Object,Object> en:employee_collection.getPp().entrySet()){

            System.out.println("properties"+en.getKey().toString()+":"+en.getValue().toString());

        }

    }

}

bean.xml

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xmlns:context="http://www.springframework.org/schema/context"

       xsi:schemaLocation="http://www.springframework.org/schema/beans

    http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

    http://www.springframework.org/schema/context

    http://www.springframework.org/schema/context/spring-context-2.5.xsd">

    <context:component-scan base-package="spring_service" />

    <bean id="emp1" class="Spring_collections.Employee">

        <property name="age" value="15"></property>

        <property name="name" value="cat"></property>

    </bean>

    <bean id="emp2" class="Spring_collections.Employee">

        <property name="age" value="16"></property>

        <property name="name" value="cat1"></property>

    </bean>

    <bean id="collection_emp" class="Spring_collections.Employee_collection">

        <!-- 数组 -->

        <property name="empName">

            <list>

                <value>猫儿爹</value>

                <value>猫儿妈</value>

                <value>猫儿</value>

            </list>

        </property>

       <!-- list -->

        <property name="empList">

            <list>

                <ref bean="emp1"></ref>

                <ref bean="emp2"></ref>

            </list>

        </property>

        <!--  sets  -->

        <property name="empSets">

            <set>

              <ref bean="emp1"></ref>

                <ref bean="emp2"></ref>

            </set>

        </property>

       <!-- maps -->

        <property name="empMaps">

            <map>

                <entry key="001" value-ref="emp1"></entry>

                <entry key="002" value-ref="emp2"></entry>

            </map>

        </property>

        <!-- properties  -->

        <property name="pp">

        <props>

          <prop key="003">hello3</prop>

          <prop key="004">hello4</prop>

        </props>

        </property>

    </bean>

</beans>