Spring5快速入门

Spring5快速入门

 1.新建一个Java项目

Spring5快速入门

Spring5快速入门

 Spring5快速入门

 2.下载jar包

下载地址:

(1)https://repo.spring.io/ui/native/release/org/springframework/spring/5.2.6.RELEASE

 Spring5快速入门

(2) Central Repository: commons-logging/commons-logging/1.1.1

Spring5快速入门

在项目目录下新建lib文件夹,并将下载的包拷进来并加载

Spring5快速入门

Spring5快速入门

 3.编写代码测试

Spring5快速入门

 (1)User.java

package com.leo.spring5;

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

(2)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"
       xmlns:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    <!--配置User对象创建-->
    <bean id="user" class="com.leo.spring5.User"/>
</beans>

(3)TestSpring5.java

package com.leo.spring5.testdemo;

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

public class TestSpring5 {

    @Test
    public void testAdd() {
        // 1.加载spring配置文件
        ApplicationContext context = new ClassPathXmlApplicationContext("bean1.xml");
        // 2.获取配置创建的对象
        User user = context.getBean("user", User.class);
        System.out.println(user);
        user.add();
    }
}

4.运行

Spring5快速入门

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