简单springmvc搭建流程

web.xml文件配置

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">    <display-name>springmvc19_day01_01</display-name>   <!--编码格式过滤器用于指定编码-->    <filter>        <filter-name>characterEncoding</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>characterEncoding</filter-name>        <url-pattern>/*</url-pattern>    </filter-mapping>    <!-- 加载spring配置文件 -->    <listener>        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    </listener>    <context-param>        <param-name>contextConfigLocation</param-name>        <param-value>classpath:spring/beans.xml</param-value>    </context-param>    <!-- 前段控制器-->    <servlet>        <servlet-name>springmvc</servlet-name>        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>        <init-param>            <param-name>contextConfigLocation</param-name>            <param-value>classpath:spring/springmvc-servlet.xml</param-value>        </init-param>        <!-- 默认加载方式               默认加载必须规范：               * 文件命名：servlet-name-servlet.xml====springmvc-servlet.xml               * 路径规范：必须在WEB-INF目录下面         -->        <load-on-startup>1</load-on-startup>    </servlet>    <servlet-mapping>        <servlet-name>springmvc</servlet-name>        <url-pattern>*.do</url-pattern>    </servlet-mapping>    <servlet-mapping>        <servlet-name>springmvc</servlet-name>        <url-pattern>/</url-pattern>    </servlet-mapping>    <welcome-file-list>        <welcome-file>index.html</welcome-file>        <welcome-file>index.htm</welcome-file>        <welcome-file>index.jsp</welcome-file>        <welcome-file>default.html</welcome-file>        <welcome-file>default.htm</welcome-file>        <welcome-file>default.jsp</welcome-file>    </welcome-file-list></web-app>

2 spring-servlet.xml 文件

<?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:p="http://www.springframework.org/schema/p"       xmlns:context="http://www.springframework.org/schema/context"       xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop"       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd">     <!--扫描基本包-->    <context:component-scan base-package="com.qunar" annotation-config="true"/>    <!--代替使用处理器映射器及处理器适配器-->    <mvc:annotation-driven/>    <!--视图解析器-->    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">        <property name="prefix" value="/WEB-INF/jsps/"/>        <property name="suffix" value=".jsp"/>    </bean></beans>

3 数据源mybatis和springmvc整合文件

<?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/beanshttp://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">    <context:component-scan base-package="com.qunar"></context:component-scan>    <!-- 第一步：配置数据源 -->    <context:property-placeholder location="classpath:jdbc.properties"/>    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">        <property name="jdbcUrl" value="${jdbc.url}"></property>        <property name="driverClass" value="${jdbc.driver}"></property>        <property name="user" value="${jdbc.username}"></property>        <property name="password" value="${jdbc.password}"></property>    </bean>    <!-- 第二步：创建sqlSessionFactory。生产sqlSession -->    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">        <property name="dataSource" ref="dataSource"></property>        <!--加载mapper文件-->        <property name="mapperLocations" value="classpath:mybatis/**/*.xml"/>        <!--加载mybatis全局配置文件-->        <property name="configLocation" value="classpath:sqlMapConfig.xml"></property>    </bean>    <!-- 配置mybatis接口代理开发        * 接口类名和映射文件必须同名        *　接口类和映射文件必须在同一个目录　下        * 映射文件namespace名字必须是接口的全类路径名        *　接口的方法名必须和映射Statement的ｉｄ一致     -->    <!--批量扫描dao中的mapper-->    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">        <property name="basePackage" value="com.qunar.dao"></property>        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>    </bean>    <!-- 第三步：事务 -->    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">        <property name="dataSource" ref="dataSource"></property>    </bean>    <!-- 配置通知 -->    <tx:advice id="txAdvice" transaction-manager="transactionManager">        <tx:attributes>            <tx:method name="save*" propagation="REQUIRED"/>            <tx:method name="update*" propagation="REQUIRED"/>            <tx:method name="delete*" propagation="REQUIRED"/>            <tx:method name="insert*" propagation="REQUIRED"/>            <tx:method name="*" propagation="REQUIRED"/>        </tx:attributes>    </tx:advice>    <!-- 配置拦截service -->    <aop:config>        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.qunar.service.*.*(..))"/>    </aop:config></beans>