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  • Spring 1

    package com.hanqi.test;
    
    public class Car {
    
    	private String carNumber;
    
    	public String getCarNumber() {
    		return carNumber;
    	}
    
    	public Car() {
    		super();
    	}
    
    	public Car(String carNumber) {
    		super();
    		this.carNumber = carNumber;
    	}
    
    	@Override
    	public String toString() {
    		return "Car [carNumber=" + carNumber + "]";
    	}
    
    	public void setCarNumber(String carNumber) {
    		this.carNumber = carNumber;
    	}
    }
    

      

    package com.hanqi.test;
    
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    public class TestPerson {
    
    	public static void main(String[] args) {
    		// TODO 自动生成的方法存根
    
    		//1加载容器
    		ApplicationContext ac=new ClassPathXmlApplicationContext("abc.xml");
    		
    		//2从容其中获取对象
    		Person p1=(Person)ac.getBean("p1");
    		
    		System.out.println(p1);
    		
    		Person p2=(Person)ac.getBean("p2");
    		System.out.println(p2);
    
    		Person p3=(Person)ac.getBean("p3");
    		System.out.println(p3);
    		
    		Person p5=(Person)ac.getBean("p5");
    		System.out.println(p5);
    		
    		Person p6=(Person)ac.getBean("p6");
    		System.out.println(p6);
    		
    		
    		Person p6_1=(Person)ac.getBean("p6");
    		System.out.println(p6_1);
    		if(p6==p6_1)
    		{
    			System.out.println("asd");
    		}
    		
    		Person p8=(Person)ac.getBean("p8");
    		System.out.println(p8);
    		
    		
    		
    	}
    
    }
    

      xml

    <?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:context="http://www.springframework.org/schema/context"
    	xmlns:util="http://www.springframework.org/schema/util"
    	xmlns:p="http://www.springframework.org/schema/p"
    	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
    		http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd">
    <bean id="car1" class="com.hanqi.test.Car">
    <property name="carNumber" value="lucc550"></property>
    </bean>
    
    <bean id="p1" class="com.hanqi.test.Person">
    	<constructor-arg name="name" value="zhangsan"></constructor-arg>
    	<constructor-arg name="age" value="30"></constructor-arg>
    	<property name="car" ref="car1"></property>
    	<property name="bankcards">
    	<list>
    	<value>1234</value>
    	<value>2234</value>
    	<value>3234</value>
    	</list>
    	</property>
    </bean>
    <util:list id="card1">
    <value>123</value>
    <value>123</value>
    <value>123</value>
    </util:list>
    <!-- 使用p标签 -->
    <bean id="p2" class="com.hanqi.test.Person" p:name="李四"
    p:age="20" p:car-ref="car1" p:bankcards-ref="card1"></bean>
    
    
    <!-- 自动装配 -->
    <bean id="p3" class="com.hanqi.test.Person" 
    autowire="byType"></bean>
    
    <bean id="p5" parent="p1" p:name="小三" p:age="18"></bean>
    
    <!-- 定义模板 ,只能被继承,不能被外部使用-->
    <bean id="m1" class="com.hanqi.test.Person" p:name="默认" abstract="true"
    p:age="20" p:car-ref="car1" p:bankcards-ref="card1"></bean>
    
    <bean id="p6" parent="m1" p:name="小四" p:age="24"></bean>
    
    <!-- 默认是单例的 -->
    <bean id="p7" parent="m1" scope="prototype" p:name="小四" p:age="24"></bean>
    
    <!-- 加载外部配置文件 -->
    <context:property-placeholder location="classpath:person.properties"/>
    
    <bean id="p8" class="com.hanqi.test.Person"
    p:name="${name}" p:age="${age}">
    </bean>
    
    </beans>
    

     

    package com.hanqi.test;
    
    import java.util.List;
    
    public class Person {
    
    	
    	private String name;
    	private int age;
    	private List<String> bankcards;
    	private Car car;
    	public Person() {
    		super();
    		System.out.println("person被实例化了");
    	}
    
    	public Person(String name, int age) {
    		super();
    		this.name = name;
    		this.age = age;
    	}
    
    	@Override
    	public String toString() {
    		return "Person [name=" + name + ", age=" + age + ", bankcards=" + bankcards + ", car=" + car + "]";
    	}
    
    	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;
    	}
    
    	public List<String> getBankcards() {
    		return bankcards;
    	}
    
    	public void setBankcards(List<String> bankcards) {
    		this.bankcards = bankcards;
    	}
    
    	public Car getCar() {
    		return car;
    	}
    
    	public void setCar(Car car) {
    		this.car = car;
    	}
    
    
    }
    

      外部配置文件 person.properties

    name=tom
    age=20
    

      

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  • 原文地址:https://www.cnblogs.com/nicebaby/p/6179164.html
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