ssm 框架配置详解

环境信息

JDK1.7 + Tomcat7 + spring4.0

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">
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>
    <!-- post请求编码设置 -->
    <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>
    <!--监听器: 监听项目启动，加载配置文件-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- spring 扫描-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:conf/spring-application.xml</param-value>
    </context-param>
    <!-- spring mvc -->
    <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:conf/spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springMVC</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

spring-application.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:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-4.0.xsd
       http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">

    <context:property-placeholder location="classpath:conf/application.properties"/>

    <!-- 数据源配置 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <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>

    <!-- 数据工厂配置 -->
    <bean id="sqlFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:conf/mybatis-config.xml"/>
        <property name="typeAliasesPackage" value="com.huawei.demo.entity"/>
        <!-- 扫描mapper.xml文件 -->
        <property name="mapperLocations">
            <list>
                <value>classpath:mapper/*.xml</value>
            </list>
        </property>
    </bean>

    <!-- 扫描da层接口-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.huawei.demo.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlFactory"/>
    </bean>

    <!-- 扫描出控制层之外的service层 -->
    <context:component-scan base-package="com.huawei.demo">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <bean id="txManage" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 启用事务注解驱动，自动扫描注册 -->
    <tx:annotation-driven transaction-manager="txManage"/>

    <import resource="classpath:conf/spring-mvc.xml"/>

</beans>

spring-mvc.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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context 
       http://www.springframework.org/schema/context/spring-context-4.0.xsd 
       http://www.springframework.org/schema/mvc 
       http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 只扫描控制层 -->
    <context:component-scan base-package="com.huawei.demo">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <!-- 静态资源处理 -->
    <mvc:default-servlet-handler/>

    <!-- 视图解析 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/page/"/>
        <property name="suffix" value=".html"/>
    </bean>

    <!-- 静态资源加载 -->
    <mvc:resources location="/static/" mapping="/static/**"/>

    <!-- 拦截器 -->
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**" />
            <bean class="com.huawei.demo.interceptor.LoginInterceptor"/>
        </mvc:interceptor>
    </mvc:interceptors>

    <mvc:annotation-driven />

</beans>

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD SQL Map Config 3.0//EN"  
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
	<settings>
		<!-- 使用数据库自增主键 -->
		<setting name="useGeneratedKeys" value="true"/>
		<!-- 使用列别名-->
		<setting name="useColumnLabel" value="true"/>
		<!-- 启用驼峰命名转换-->
		<setting name="mapUnderscoreToCamelCase" value="true"/>
	</settings>
</configuration>

项目结构

依赖jar包