ssm框架基本配置

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<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">
<display-name>bookscity</display-name>
<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>

<!-- 配置SprongIoC容器加载的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:config/applicationContext.xml</param-value>
</context-param>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:config/log4j.properties</param-value>
</context-param>
<context-param>
<param-name>log4jRefreshInterval</param-name>
<param-value>6000</param-value>
</context-param>

<!-- 用于初始化SpringIoC容器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
 </listener>

<servlet>
<servlet-name>ds</servlet-name>
<!-- 核心控制器 -->
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<init-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath:config/ds-servlet.xml</param-value>
</init-param>

<!-- 应用启动时,加载servlet -->
<load-on-startup>1</load-on-startup>
<multipart-config>
  <location>e:/upimgs</location>
  <max-file-size>5242880</max-file-size>
  <max-request-size>10485760</max-request-size>
  <file-size-threshold>0</file-size-threshold>
</multipart-config>
</servlet>
<servlet-mapping>
<!-- 约定优于配置，Spring MVC框架默认加载/WEB-INF/<servlet-name/>开头-servlet.xml作为配置文件载入web工程中-->
<servlet-name>ds</servlet-name>
<!-- 拦截配置 -->
<url-pattern>*.do</url-pattern>
</servlet-mapping>

<!-- 过滤器配置 -->
<filter>
<filter-name>EncodingPictureFilter</filter-name>
<filter-class>com.bookscity.filter.EncodingPictureFilter</filter-class>
<init-param>
  <param-name>charset</param-name>
  <param-value>UTF-8</param-value> 
</init-param>
</filter>
<filter-mapping>
<filter-name>EncodingPictureFilter</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>
</web-app>

applocationContext.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"
       xsi:schemaLocation="http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
        <context:annotation-config />
        <context:component-scan base-package="com.azimiao.tmall.service" />
 
        <!-- 导入数据库配置文件 -->
        <context:property-placeholder location="classpath:jdbc.properties" />
 
        <!--配置数据库连接池> -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="clone">
        <!--基本属性 url、user、password-->
        <property name="url" value="${jdbc.url"/>
        <property name="username" value="${jdbc.username" />
        <property name="password" value="${jdbc.password"/>
 
        <!-- 配置初始化大小、最小、最大-->
        <property name="initialSize" value="1"/>
        <property name="minIdle" value="1"/>
        <property name="maxActive" value="20"/>
 
        <!--配置获取连接等待超时的时间 -->
        <property name="maxWait" value="30000"/>
 
        <!--配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒-->
        <property name="minEvictableIdleTimeMillis" value="300000"/>
 
        <property name="validationQuery" value="SELECT 1"/>
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false"/>
        <property name="testOnReturn" value="false"/>
 
        <!--打开PSCache,并且置顶每个连接上的PSCache的大小 -->
        <property name="poolPreparedStatements" value="true"/>
        <property name="maxPoolPreparedStatementPerConnectionSize" value="20"/>
    </bean>
 
    <!--Mybatis的SessionFactory配置 -->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="typeAliasesPackage" value="com.azimiao.tmall.pojo"/>
        <property name="dataSource" ref="dataSource"/>
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
        <!--分页插件，目前先注释，后面重构的时候才会使用
        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>
                        </value>
                    </property>
                </bean>
            </array>
        </property>
        -->
    </bean>
 
    <!--Mybatis的Mapper文件识别 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.azimiao.tmall.mapper"/>
    </bean>
    </beans>