Spring Bean的ref属性和IoC注入集合-白红宇

Spring Bean的ref属性和IoC注入集合

阅读量：5162 次

发布时间：2019-06-13

本文共 4426 字，大约阅读时间需要 14 分钟。

这是一个Demo

1、Phone.java

package com.cn.pojo;public class Phone {    private String name;    private double price;        public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public double getPrice() {        return price;    }    public void setPrice(double price) {        this.price = price;    }    public Phone(String name, double price) {        super();        this.name = name;        this.price = price;    }    public Phone() {        super();        // TODO Auto-generated constructor stub    }}

2、Student.java

package com.cn.pojo;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;public class Student {    private int stuId;    private String name;    private Phone phone;    private List
     
       favorties = new ArrayList
      
       ();;    private Map
       
         jobTime = new HashMap
        
         ();        public List
         
           getFavorties() {        return favorties;    }    public void setFavorties(List
          
            favorties) { this.favorties = favorties; } public Map
           
             getJobTime() { return jobTime; } public void setJobTime(Map
            
              jobTime) { this.jobTime = jobTime; } public Phone getPhone() { return phone; } public void setPhone(Phone phone) { this.phone = phone; } public int getStuId() { return stuId; } public void setStuId(int stuId) { this.stuId = stuId; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Student() { super(); System.out.println("come in..."); } public Student(int stuId, String name) { super(); this.stuId = stuId; this.name = name; } public void init(){ System.out.println("初始化。。。"); } public void destroy(){ System.out.println("销毁。。。"); }}

3、Test.java

package com.cn.test;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.Set;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import com.cn.pojo.Student;public class Test {    @org.junit.Test    public void test1(){                ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");                Student stu = (Student)applicationContext.getBean("stu");                System.out.println(stu.getName());            }        @org.junit.Test    public void test2(){                ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");                Student stu = (Student)applicationContext.getBean("stu");                System.out.println(stu.getPhone().getName());            }        @org.junit.Test    public void test3(){                ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");                Student stu = (Student)applicationContext.getBean("stu");                List
     
       favs = stu.getFavorties();                for(String str : favs){            System.out.println(str);        }            }        @org.junit.Test    public void test4(){                ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");                Student stu = (Student)applicationContext.getBean("stu");                Map
      
        maps = stu.getJobTime();                Set
       
         keys = maps.keySet();                Iterator
        
          iters = keys.iterator();                while(iters.hasNext()){            String key = iters.next();            System.out.println("key:"+key+",value:"+maps.get(key));        }                    }            }

4、applicationContext.xml