Spring(一)——下载与测试
Spring(一)——下载与测试
安装jar包
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网页输入spring.io回车
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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
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新建一个普通的Java工程
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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>