SSM框架搭建步骤
首先要导入相关的jar包(spring\spring-core\spring-jdbc\spring-aop\spring-context\spring-webmvc\junit\commons-lang\mybatis\mybatis-spring等包)
然后对web.xml进行配置
<!-- 配置spring --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/applicationContext-*.xml</param-value> </context-param> <!-- 配置监听器加载spring --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置过滤器,解决post的乱码问题 --> <filter> <filter-name>encoding</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>encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 配置SpringMVC --> <servlet> <servlet-name>boot-crm</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/springmvc.xml</param-value> </init-param> <!-- 配置springmvc什么时候启动,参数必须为整数 --> <!-- 如果为0或者大于0,则springMVC随着容器启动而启动 --> <!-- 如果小于0,则在第一次请求进来的时候启动 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>boot-crm</servlet-name> <!-- 所有的请求都进入springMVC --> <url-pattern>/</url-pattern> </servlet-mapping>
配置jdbc.properties:(个人比较推荐druid连接池,性能比较好)
jdbc.driver=?
jdbc.url=?
jdbc.username=?
jdbc.password=?
核心文件配置:
applicationContext-dao.xml:
<!-- 配置 读取properties文件 jdbc.properties --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 配置 数据源 --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> <!-- 配置SqlSessionFactory --> <bean class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 设置MyBatis核心配置文件 --> <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" /> <!-- 设置数据源 --> <property name="dataSource" ref="dataSource" /> </bean> <!-- 配置Mapper扫描 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 设置Mapper扫描包 --> <property name="basePackage" value="com.****.mapper" /> </bean>
applicationContext-service:
<!-- 配置 扫描 @Service -->
<context:component-scan base-package="com.****.service"/>
Springmvc.xml:
<!-- 配置Controller扫描 --> <context:component-scan base-package="com.****.controller" /> <!-- 配置注解驱动 --> <mvc:annotation-driven /> <!-- 对静态资源放行 --> <mvc:resources location="/css/" mapping="/css/**"/> <mvc:resources location="/js/" mapping="/js/**"/> <mvc:resources location="/fonts/" mapping="/fonts/**"/> <!-- 配置视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 前缀 --> <property name="prefix" value="/jsp/" /> <!-- 后缀 --> <property name="suffix" value=".jsp" /> </bean>
最后就是Mybatis的核心文件配置:
SqlMapConfig.xml:
<configuration>
<!-- 别名 -->
<typeAliases>
<package name="com.****.pojo"/>
</typeAliases>
</configuration>
这样SSM框架基本搭建好了。