- SSM集成
如果要做三大框架集成，我们先保证在一个项目，每一个框架都能够独立运行！！
Spring :管理整个项目
Springmvc:mvc的框架
Mybatis:orm
spring-MVC
applicationContext-mvc.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:context="http://www.springframework.org/schema/context" 4 xmlns:mvc="http://www.springframework.org/schema/mvc" 5 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans 7 http://www.springframework.org/schema/beans/spring-beans.xsd 8 http://www.springframework.org/schema/context 9 http://www.springframework.org/schema/context/spring-context.xsd 10 http://www.springframework.org/schema/mvc 11 http://www.springframework.org/schema/mvc/spring-mvc.xsd"> 12 <!-- 放行核心控制器对静态资源的拦截 --> 13 <mvc:default-servlet-handler/> 14 <!-- 支持springmvc注解驱动 --> 15 <mvc:annotation-driven/> 16 <!-- 配置扫描器 --> 17 <context:component-scan base-package="com.wz"></context:component-scan> 18 <!-- 配置上传下载 下决心者，解决[答]问题者 --> 19 <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> 20 <property name="maxUploadSize"> 21 <value>200000</value> 22 </property> 23 </bean> 24 </beans>
applicationContext.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!-- spring的配置文件 --> 3 <beans xmlns="http://www.springframework.org/schema/beans" 4 xmlns:context="http://www.springframework.org/schema/context" 5 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans 7 http://www.springframework.org/schema/beans/spring-beans.xsd 8 http://www.springframework.org/schema/context 9 http://www.springframework.org/schema/context/spring-context.xsd"> 10 <!--在spring文件中配置db.properties --> 11 <context:property-placeholder location="classpath:db.properties"/> 12 <!-- 配置连接池对象 --> 13 <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> 14 <property name="driverClassName" value="${jdbc.driverClassName}"/> 15 <property name="url" value="${jdbc.url}"/> 16 <property name="username" value="${jdbc.username}"/> 17 <property name="password" value="${jdbc.password}"/> 18 </bean> 19 <!-- 配置mybatis的核心对象 sqlsessionFactory --> 20 <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 21 <property name="dataSource" ref="dataSource"/> 22 <!--加载所有的mapper路径--> 23 <property name="mapperLocations" value="classpath:com/wz/domain/*Mapper.xml"/> 24 </bean> 25 <!-- 配置mappper接口对象 --> 26 <!-- <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean"> 27 <property name="sqlSessionFactory" ref="sqlSessionFactory"/> 28 <property name="mapperInterface" value="com.wz.mapper.ProductMapper"/> 29 </bean> 30 31 <bean id="pruductMappetr" class="org.mybatis.spring.mapper.MapperFactoryBean"> 32 <property name="sqlSessionFactory" ref="sqlSessionFactory"/> 33 <property name="mapperInterface" value="com.wz.mapper.ProductMapper"/> 34 </bean> -->
配置所有的mapper接口：一劳永逸 35 <!-- 配置一个包的路径spring会自动扫描该包下的所有接口，并为其自动生成接口对象 --> 36 <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 37 <property name="basePackage" value="com.wz.mapper"/> 38 </bean> 39 40 </beans>
web.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> 3 <display-name>day53ssm</display-name> 4 <welcome-file-list> 5 <welcome-file>index.html</welcome-file> 6 <welcome-file>index.htm</welcome-file> 7 <welcome-file>index.jsp</welcome-file> 8 <welcome-file>default.html</welcome-file> 9 <welcome-file>default.htm</welcome-file> 10 <welcome-file>default.jsp</welcome-file> 11 </welcome-file-list> 12 <!-- 配置的全局的变量 contextConfigLocation = classpath:applicatinContext.xml --> 13 <context-param> 14 <param-name>contextConfigLocation</param-name> 15 <param-value>classpath:applicationContext.xml</param-value> 16 </context-param> 17 <!-- 在启动服务器时加载spring的配置文件 --> 18 <listener> 19 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 20 21 <!-- 配置post请求的乱码问题 --> 22 </listener> 23 <filter> 24 <filter-name>CharacterEncodingFilter</filter-name> 25 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 26 <init-param> 27 <param-name>encoding</param-name> 28 <param-value>UTF-8</param-value> 29 </init-param> 30 31 </filter> 32 <filter-mapping> 33 <filter-name>CharacterEncodingFilter</filter-name> 34 <url-pattern>/*</url-pattern> 35 </filter-mapping> 36 <!-- 配置springmvc核心控制器 --> 37 <servlet> 38 <servlet-name>dispatcherServlet</servlet-name> 39 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 40 <init-param> 41 <param-name>contextConfigLocation</param-name> 42 <param-value>classpath:applicationContext-mvc.xml</param-value> 43 </init-param> 44 </servlet> 45 46 <servlet-mapping> 47 <servlet-name>dispatcherServlet</servlet-name> 48 <url-pattern>/</url-pattern> 49 </servlet-mapping> 50 51 52 53 </web-app>