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Spring6梳理20——基于注解管理之Spring全注解开发

article 2024/10/24 6:25:51

以上笔记来源：
尚硅谷Spring零基础入门到进阶，一套搞定spring6全套视频教程（源码级讲解）https://www.bilibili.com/video/BV1kR4y1b7Qc

一、引言

全注解开发就是不再使用spring配置文件了，写一个配置类来代替配置文件。

package com.atguigu.spring6.config;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@Configuration  //标记类注解
@ComponentScan("com.atguigu.spring6")  //开启组件扫描
//@ComponentScan({"com.atguigu.spring6.controller", "com.atguigu.spring6.service","com.atguigu.spring6.dao"})
public class SpringConfig {
}

测试类

package com.atguigu.spring6.config;

import com.atguigu.spring6.resource.controller;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class AnnotationTest {
    public static void main(String[] args) {
        ApplicationContext context = new AnnotationConfigApplicationContext(SpringConfig.class);
        controller controller = context.getBean(com.atguigu.spring6.resource.controller.class);
        controller.addcontroller();
    }
}

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