Spring(一)——下载与测试

Spring(一)——下载与测试

安装jar包#

• 网页输入spring.io回车

• 查看最新稳定版本，图中5.3.22，点击Github,一直跟着点红框

  

  

  

  

  

  

  

测试案例#

• 新建一个普通的Java工程

• 导入以下jar包

​

​ commons-logging-1.2.jar下载链接：http://commons.apache.org/proper/commons-logging/download_logging.cgi

• 剩下的如下图

​

User.java

package com.atguigu.spring5;

public class User {
    public void add(){
        System.out.println("add...............");
    }
}

TestSpring5.java

package com.atguigu.spring5.testdemo;

import com.atguigu.spring5.User;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TestSpring5 {
    @Test
    public void testAdd(){
        //加载spring配置文件
        ApplicationContext context=new ClassPathXmlApplicationContext("bean1.xml");
        //获取配置创建的对象
        User user=context.getBean("user", User.class);

        System.out.println(user);
        user.add();
    }
}

bean1.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">

        <!--配置User类对象创建-->
        <bean id="user" class="com.atguigu.spring5.User"></bean>
</beans>