新手上路之ssm整合（经验之谈）

@[TOC]SSM的整合

前言： SSM整合其实不难，但是因为涉及到版本不兼容的问题，就会搞得很烦。这里我将自己的SSM框架整合经验总结给大家，希望能帮助到您。

一．下载Spring，SpringMVC，MyBatis框架。

这里我帮大家已经将说需要的框架整理好了。（spring-framework-5.2.3，mybatis-3.5.5.） 链接: SSM整合压缩包 提取码：33ja 压缩包的目录结构如下：

二．导入jar包

打开IDEA，创建web项目，在WEB-INF目录下新建一个lib文件夹，然后将压缩包里libs里面的jar包全部复制进来，导包就完成了。 别忘记了将lib Add as Library

三．文件配置

web.xml

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <!-- 配置spring--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置springmvc--> <servlet> <servlet-name>DispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 3.0的springmvc 默认加载WEB-INF下的dispatcher-servlet.xml文件 3.2的springmvc 加载DispatcherServlet-servlet.xml文件 --> <init-param> <!-- 修改默认springmvc加载的配置文件路径 --> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>DispatcherServlet</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <!-- 配置编码过滤器 --> <filter> <filter-name>EncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>EncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>

applicationContext.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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"> <context:property-placeholder location="classpath:db.properties"/> <!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"> <property name="driverClassName" value="${driverClass}"></property> <property name="url" value="${jdbcUrl}"></property> <property name="username" value="${user}"></property> <property name="password" value="${password}"></property> </bean> <!-- 配置sessionFactory --> <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <!-- 指定配置文件位置 --> <property name="configLocation" value="classpath:mybatis.xml"/> </bean> <!-- 自动生成dao,mapper--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.tfs.mapper"/> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryBean"/> </bean> <!--自动扫描Service--> <context:component-scan base-package="com.tfs"/> <!-- 配置事务--> <!-- 5.配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!-- 6.开启事务注解--> <tx:annotation-driven></tx:annotation-driven> </beans>

mybatis.xml

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <!-- 别名配置 --> <typeAliases> <!-- 批量配置别名：指定批量定义别名的类包，别名为类名（首字母大小写都可） --> <package name="com.tfs.model"/> </typeAliases> <mappers> <!-- 批量加载映射文件 --> <package name="com.tfs.mapper"/> </mappers> </configuration>

springmvc.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"> <!-- 1.注解扫描位置--> <context:component-scan base-package="com.tfs.web.controller" /> <!-- 2.配置映射处理和适配器--> <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/> <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/> <!-- 3.视图的解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/" /> <property name="suffix" value=".jsp" /> </bean> </beans>

db.properties

driverClass=com.mysql.cj.jdbc.Driver jdbcUrl=jdbc:mysql://localhost:3306/mybatis?serverTimezone=UTC & useUnicode=true & characterEncoding=utf-8 user=root password=123456

（我用的数据库是mysql，版本是8.0.12，需要的话可以联系我）

四．总结

至此你完成了SSM的整合，就可以去编写你的代码了。 最后附带一张我的项目结构照片。