CRM客户管理系统【SSM框架项目学习笔记】

<!--注册中央调度器--><servlet><servlet-name>crmWeb</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><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>crmWeb</servlet-name><url-pattern>*.do</url-pattern><!--这里的*.do表示，所有以do结尾的请求都有这个DispatcherServlet来处理--></servlet-mapping>

<!--注册spring的监听器--><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>

<!--注册字符集过滤器：解决乱码问题--><filter><filter-name>characterEncodingFilter</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><init-param><param-name>forceRequestEncoding</param-name><param-value>true</param-value></init-param><init-param><param-name>forceResponseEncoding</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>characterEncodingFilter</filter-name><url-pattern>/*</url-pattern>  <!--这里设置成/*表示所有的资源都要经过这个过滤器--></filter-mapping>

<context:component-scanbase-package="com.bjpowernode.crm.settings.web.controller"/><!--没有配视图解析器，打算不使用这个，直接使用完整路径--><!--注解驱动--><mvc:annotation-driven/>

<!--声明数据源，连接数据库--><context:property-placeholderlocation="classpath:jdbc.properties"/><beanid="dataSource"class="com.alibaba.druid.pool.DruidDataSource"init-method="init"destroy-method="close"><propertyname="driverClassName"value="${jdbc.driver}"/><propertyname="url"value="${jdbc.url}"/><propertyname="username"value="${jdbc.user}"/><propertyname="password"value="${jdbc.password}"/></bean><!--SqlSessionFactoryBean创建SqlSessionFactory，mybatis要用到的--><beanid="sqlSessionFactory"class="org.mybatis.spring.SqlSessionFactoryBean"><propertyname="dataSource"ref="dataSource"/><propertyname="configLocation"value="classpath:mybatis-config.xml"/></bean><!--声明mybatis的扫描器，创建dao对象--><beanclass="org.mybatis.spring.mapper.MapperScannerConfigurer"><propertyname="sqlSessionFactoryBeanName"value="sqlSessionFactory"/><propertyname="basePackage"value="com.bjpowernode.crm.settings.dao"/></bean><!--声明service的注解@Service所在的包名位置--><context:component-scanbase-package="com.bjpowernode.crm.settings.service"/><!--声明工具类--><context:component-scanbase-package="com.bjpowernode.crm.utils"/>

<typeAliases><packagename="com.bjpowernode.crm.settings.domain"/><!--设置别名，别名是他们对应的类名--></typeAliases><mappers><packagename="com.bjpowernode.crm.settings.dao"/><!--指定mapper文件位置--></mappers>

@ServicepublicclassUserServiceImplimplementsUserService {
@Autowired//引用类型的自动注入，默认是byType，只能有一个这样的类型的privateUserDaouserDao;
}

@ControllerpublicclassUserController {
@AutowiredprivateUserServiceuserService;
}