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  • Spring 初學 - 1. 在基礎java項目中運行Spring
    2022-08-29 23:53:39

    1. 下載并導入必須的包

    需要以下jar包

    1.1 從spring官網下載spring包

    https://repo.spring.io/ui/native/release/org/springframework/spring/

    下載spring-5.2.6.RELEASE-dist.zip,并解壓獲取需要的包

    1.2 下載commons-logging-1.2-bin.zip

    http://commons.apache.org/proper/commons-logging/download_logging.cgi

    下載commons-logging-1.2-bin.zip并解壓出需要的包

    1.3 將包復制到idea中構建的java的基礎項目中

    File -> Project Structure

    ?

    ?

    ?

    2. 創建簡單的類實例并通過Spring進行實例化

    2.1 創建user類文件(user.java)

    package com.firstSpringTest.me;
    
    public class user {
        public void say(){  
            System.out.println("I am a com.firstSpringTest.me.user class");
        }   
    }

    ?

    2.2 構建xml文件(ApplicationContext.xml)

    創建方式:

    ?

    ?添加<bean>

    <?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="user" class="com.firstSpringTest.me.user"></bean>
    </beans>

    2.3 創建測試類(SpringTest.java)

    package com.firstSpringTest.me;
    
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    public class springTest<sout> {
        public static void main(String[] args){
            ApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("ApplicationContext.xml");
            user user = (user) classPathXmlApplicationContext.getBean("user", user.class);
            user.say();
        }
    }

    ?

    運行結果如下

    ?

    本文摘自 :https://www.cnblogs.com/


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