在resources里面新建applicationContext.xml
配置如下:
<?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-4.3.xsd">
<!--构造方法注入-->
<bean id="book1" class="com.ssz.entity.Book">
<constructor-arg name="name" value="张三三"/>
</bean>
<bean id="book2" class="com.ssz.entity.Book">
<constructor-arg name="id" value="50"/>
<constructor-arg name="name" value="李思思"/>
</bean>
<!--setter方法注入-->
<bean id="book3" class="com.ssz.entity.Book" scope="prototype">
<property name="id" value="100"/>
<property name="name" value="王五五"/>
<property name="price" value="30"/>
</bean>
<!--setter方法注入+ 集合setter方法注入-->
<bean id="book4" class="com.ssz.entity.Book" scope="prototype">
<property name="id" value="200"/>
<property name="name" value="赵六六"/>
<property name="price" value="40.08"/>
<property name="address">
<array>
<value>郑州市</value>
<value>开封市</value>
<value>南阳市</value>
<value>洛阳市</value>
</array>
</property>
</bean> <!--User类-->
<bean id="user" class="com.ssz.entity.User" destroy-method="close" init-method="init" >
<property name="id" value="001"/>
<property name="name" value="王九九"/>
<property name="age" value="26"/>
<property name="address" value="河南省郑州市"/>
</bean> <bean id="user2" class="com.ssz.entity.User">
<property name="id" value="002"/>
<property name="name" value="孙十十"/>
<property name="age" value="33"/>
<property name="address" value="河南省开封市"/>
</bean> <!--setter方法注入+ array注入-->
<bean id="book5" class="com.ssz.entity.Book" scope="prototype">
<property name="id" value="300"/>
<property name="name" value="孙七七"/>
<property name="price" value="60"/>
<property name="address">
<array>
<value>郑州市</value>
<value>开封市</value>
<value>南阳市</value>
<value>洛阳市</value>
</array>
</property>
</bean> <!--setter方法注入+ array注入 + list + map + set + Properties 集合-->
<bean id="book6" class="com.ssz.entity.Book">
<property name="id" value="400"/>
<property name="name" value="钱八八"/>
<property name="price" value="70"/>
<property name="address">
<!--array-->
<array>
<value>郑州市</value>
<value>开封市</value>
<value>南阳市</value>
<value>洛阳市</value>
</array>
</property> <!--list-->
<property name="list">
<list>
<value>10</value>
<value>100</value>
<value>1000</value>
</list>
</property>
<property name="user" ref="user2">
</property> <!--map-->
<property name="map">
<map>
<entry key="u1" value-ref="user"/>
<entry key="u2" value-ref="user"/>
</map>
</property> <!--set-->
<property name="set">
<set>
<value>java</value>
<value>C语言</value>
<value>C++</value>
<value>PHP</value>
</set>
</property> <!--Properties 集合-->
<property name="pro">
<props>
<prop key="k1">pt1</prop>
<prop key="k2">pt1</prop>
<prop key="k3">pt1</prop>
<prop key="k4">pt1</prop>
</props>
</property>
</bean> </beans>
lombok依赖
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.18</version>
<scope>provided</scope>
</dependency>
创建测试类
package com.ssz; import com.ssz.entity.Book;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext; import java.util.List; public class Demo {
@Test
public void tt(){
BeanFactory bf=new ClassPathXmlApplicationContext("applicationContext.xml");//建立bean工厂
//Book book1=bf.getBean("book2",Book.class);
// Book book1=bf.getBean(Book.class);
//Book book2=bf.getBean("book3",Book.class);
//Book book2=bf.getBean(Book.class);
// Book b=bf.getBean("book",Book.class);
// book.setId(100);
// book.setName("C语言入门");
//System.out.println(book1.getPrice());
//System.out.println(book2);
//System.out.println(book1==book2);
// System.out.println(book1);
// Book bk1=bf.getBean("book4",Book.class);
// Book bk2=bf.getBean("book4",Book.class);
// Book bk3=bf.getBean("book4",Book.class);
// System.out.println(bk1==bk2);
// System.out.println(bk1==bk3);
// System.out.println(bk2==bk3);
// Book book1=bf.getBean("book6",Book.class);
// System.out.println(book1);
// for (String addr:book1.getAddress()){
// System.out.println(addr);
// }
Book book=bf.getBean("book5",Book.class);
System.out.println(book);
}
@Test
public void bb(){
// BeanFactory bf1=new ClassPathXmlApplicationContext("applicationContext.xml");
ClassPathXmlApplicationContext bf1=new ClassPathXmlApplicationContext("applicationContext.xml");
Book bk=bf1.getBean("book6",Book.class);
System.out.println(bk.getMap());
System.out.println(bk.getPro().getProperty("k1"));
for (Integer i: bk.getList()){
System.out.println(i);
}
bf1.close();
}
}