IDEA2022.3创建第一个Spring工程

布满荆棘的人生 2023-10-11 23:54 2阅读 0赞

#### 第一步：创建项目，导入Spring的maven坐标 ####

>     <dependency>
>       <groupId>org.springframework</groupId>
>       <artifactId>spring-context</artifactId>
>       <version>5.3.13</version>
>     </dependency>

![cd58303b660a4accab0dfc5d332faa72.png][]

#### 第二步：创建Spring的核心配置文件spring.xml ####

![8d1c8cc34579409c90ff7f8a678158ad.png][]

#### 第三步：追加配置文件内容 ####

>     <beans xmlns="http://www.springframework.org/schema/beans"
>            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>            xmlns:context="http://www.springframework.org/schema/context"
>            xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
>           http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
>     
>     
>         <bean id="userController" class="com.yy.controller.UserController">
>             <property name="userService" ref="userServiceImpl"></property>
>         </bean>
>         <bean id="userServiceImpl" class="com.yy.service.impl.UserServiceImpl">
>             <property name="userDao" ref="userDaoImpl"></property>
>         </bean>
>         <bean id="userDaoImpl" class="com.yy.dao.impl.UserDaoImpl"></bean>
>     
>     
>     </beans>

![28c92b9e6a3e4f9f85530e41e3718772.png][]

#### 第四步：测试 ####

>     public static void main(String[] args) {
>         //读取配置文件
>         BeanFactory beanFactory = new ClassPathXmlApplicationContext("spring.xml");
>     
>         //通过BeanFactory获取属性中的所有bean
>         UserController userController = (UserController) beanFactory.getBean("userController");
>     
>         userController.aa();
>     }

[cd58303b660a4accab0dfc5d332faa72.png]: https://img-blog.csdnimg.cn/cd58303b660a4accab0dfc5d332faa72.png
[8d1c8cc34579409c90ff7f8a678158ad.png]: https://img-blog.csdnimg.cn/8d1c8cc34579409c90ff7f8a678158ad.png
[28c92b9e6a3e4f9f85530e41e3718772.png]: https://img-blog.csdnimg.cn/28c92b9e6a3e4f9f85530e41e3718772.png