今天先不讲Spring是什么。
Spring网址：http://projects.spring.io/spring-framework/
Eclipse 安装开发IDE
在Eclipse Marketplace搜索spring，然后直接安装。
下载spring的Jar包
http://repo.spring.io/simple/libs-release-local/org/springframework/spring/
下载4.3.8的zip包
先直接看代码。
目录结构
代码
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="helloService" class="com.study.spring.a_quickstart.HelloServiceImpl">
</bean>
</beans>
package com.study.spring.a_quickstart;
public interface HelloService {
public void sayHello();
}
package com.study.spring.a_quickstart;
public class HelloServiceImpl implements HelloService {
@Override
public void sayHello() {
// TODO Auto-generated method stub
System.out.println("hello spring!");
}
}
package com.study.spring.a_quickstart;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class HelloTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
HelloServiceImpl service = new HelloServiceImpl();
service.sayHello();
ApplicationContext ext = new ClassPathXmlApplicationContext("applicationContext.xml");
HelloService helloService = (HelloService) ext.getBean("helloService");
helloService.sayHello();
}
}
下面是输出结果：
hello spring! 五月 17, 2017 10:13:04 下午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh 信息: Refreshing org[email protected]3eb07fd3: startup date [Wed May 17 22:13:04 CST 2017]; root of context hierarchy 五月 17, 2017 10:13:04 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions 信息: Loading XML bean definitions from class path resource [applicationContext.xml] hello spring!
时间： 2024-10-10 10:42:02