SpringHello.java
package com.spring.hjsjy;
/**
* 〈一句话功能简述〉<br>
*
* @author hjsjy
* @create 2018/9/20
* @since 1.0.0
*/
public class SpringHelloWorld {
private String name;
public void setName(String name) {
this.name = name;
}
public void printHello(){
System.out.println("Hello Spring!");
}
}
Main.java
package com.spring.hjsjy;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* 〈一句话功能简述〉<br>
*
* @author hjsjy
* @create 2018/9/20
* @since 1.0.0
*/
public class Main {
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");//加载spring上下
HelloSpring helloSpring = (HelloSpring) context.getBean("hj");//获取hj的bean
//HelloSpring helloSpring=context.getBean(HelloSpring.class)
//另一种写法这样就不需要强制类型转换
helloSpring.printHello();
}
}
applicationContext.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"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="hj" class="com.spring.hjsjy.HelloSpring">
<property name="name" value="hjsjy"/>
</bean>
</beans>