讲解SSM的xml文件
概述：这些配置文件很烦，建议直接复制粘贴
springMVC.xml文件
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" 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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
applicationContext.xml
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" 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.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> init-method="init" destroy-method="close">
在这个文件中就已经配置了sqlSessionFactory、MapperScannerConfigurer 。
一个用来与数据库进行交互的，一个用来扫描包的。
项目结构：
然后配置一下jdbc.properties
druid.driverClassName=com.mysql.cj.jdbc.Driver
druid.url=jdbc:mysql://127.0.0.1:3306/cyl?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
druid.username=root
druid.password=123456
druid.initialSize=10
druid.minIdle=6
druid.maxActive=50
druid.maxWait=60000
pom依赖：