SSM的XML方式搭建
安装相关 maven 依赖
xml
<dependencies>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>6.1.14</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>6.2.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>6.1.14</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>6.1.14</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>3.0.4</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.16</version>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.33</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.2.24</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.18.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.1</version>
<scope>test</scope>
</dependency>
</dependencies>在 main/WEB-INF/web.xml 文件中配置
xml
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!-- Spring 配置 ****** 父容器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<!-- 配置文件地址 -->
<param-value>classpath:spring-context.xml</param-value>
</context-param>
<!-- Spring MVC 配置 ****** 子容器 -->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<!-- 参数名称必须叫做 contextConfigLocation 。 单词和大小写错误都导致配置文件无法正确运行 -->
<param-name>contextConfigLocation</param-name>
<!-- springmvc.xml 名称自定义，只要和我们创建的配置文件名称对应就可以了 -->
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<!-- /表示除了.jsp以外的请求都可以访问 DispatcherServlet，但是.jsp的请求不可以访问 -->
<!-- /表示除了.jsp结尾的url，其他的url都会触发 DispatcherServlet，都会被拦截 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>其中配置让其加载 spring-context.xml 和 spring-mvc.xml 相关配置，文件需要存放在 main\resources 目录中。
spring-context.xml 配置如下
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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
https://www.springframework.org/schema/tx/spring-tx.xsd
">
<!-- 加载db.properties配置文件 -->
<context:property-placeholder location="classpath:db.properties"></context:property-placeholder>
<!-- 整合Druid数据源连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${jdbc.driver}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
<!-- 连接池的属性配置 -->
<!-- 连接池中最大连接数 -->
<property name="maxActive" value="100"></property>
<!-- 连接池初始化时创建的连接数 -->
<property name="initialSize" value="10"></property>
<!-- 连接池中最小空闲连接数 -->
<property name="minIdle" value="5"></property>
<!-- 连接池中最大空闲连接数 -->
<property name="maxIdle" value="10"></property>
<!-- 获取连接时的最大等待时间（毫秒）-->
<property name="maxWait" value="60000"></property>
<!-- 是否缓存 poolPreparedStatements 建议时关闭 -->
<property name="poolPreparedStatements" value="false"></property>
</bean>
<!-- 配置 SqlSessionFactory 对象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 工厂依赖数据源, 所以需要注入数据对应的对应 -->
<property name="dataSource" ref="dataSource"/>
<property name="typeAliasesPackage" value="com.example.domain"/>
</bean>
<!-- 扫描 Dao -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入工厂对象 -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 扫描的文件 -->
<property name="basePackage" value="com.example.dao"/>
</bean>
<!-- 配置事务 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 配置事务注解 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<context:component-scan base-package="com.example">
<!-- 排除掉 controller 的 bean -->
<context:exclude-filter type="annotation" expression="com.example.controller"/>
</context:component-scan>
</beans>spring-mvc.xml 配置如下
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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://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
">
<!-- 只创建 controller 的 bean -->
<context:component-scan base-package="com.example.controller"></context:component-scan>
<!-- 开启SpringMvc 的注解支持 -->
<mvc:annotation-driven></mvc:annotation-driven>
</beans>