SSM中 web.xml配置文件

<!--核心監聽器
 當tomcat（web容器，應用服務器，web服務器）啟動的時候創建spring 工廠類對象，綁定到tomcat上下文中
 -->
            <listener>
                <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
            </listener>

           <!--手動指定spring 主配置文件的位置和名稱-->

           <context-param>
               <param-name>contextConfigLocation</param-name>
               <param-value>classpath:spring.xml</param-value>
           </context-param>


<!--spring的前端控制器 攔截請求 交給spring mvc 處理-->
    <servlet>
        <servlet-name>spring-mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <!--指定spring mvc 主配置文件的位置和名稱-->

        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>

    </servlet>

    <servlet-mapping>
        <servlet-name>spring-mvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>


<!--配置過濾器解決post請求的中文亂碼問題-->

    <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>
        <init-param>
            <param-name>forceRespanseEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>