web.xml的一份配置(备忘)

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                             http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         version="2.5" > 

  <display-name>Archetype Created Web Application</display-name>

  <!-- Spring的log4j监听器 -->
  <listener>
      <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
  </listener>

  <!-- 字符编码过滤 -->
  <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>forceEncoding</param-name>
       <param-value>true</param-value>
      </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

<!-- druid config-->
  <filter>
	<filter-name>DruidWebStatFilter</filter-name>
	<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
	<init-param>
		<!-- 经常需要排除一些不必要的url，比如*.js,/jslib/*等等。配置在init-param中-->
		<param-name>exclusions</param-name>
		<param-value>*.html,*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
	</init-param>
	<init-param>
		<!--缺省sessionStatMaxCount是1000个。-->
		<param-name>sessionStatMaxCount</param-name>
		<param-value>1000</param-value>
	</init-param>
	<init-param>
		<param-name>principalSessionName</param-name>
		<param-value>user</param-value>
	</init-param>
	<init-param>
		<!--配置profileEnable能够监控单个url调用的sql列表。-->
		<param-name>profileEnable</param-name>
		<param-value>true</param-value>
	</init-param>
  </filter>
  <filter-mapping>
	<filter-name>DruidWebStatFilter</filter-name>
	<url-pattern>/*</url-pattern>
  </filter-mapping>
  <!-- druid 监控 -->
  <servlet>
      <servlet-name>DruidStatView</servlet-name>
      <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
      <init-param>
          <param-name>loginUsername</param-name>
          <param-value>admin</param-value>
      </init-param>
      <init-param>
          <param-name>loginPassword</param-name>
          <param-value>admin</param-value>
      </init-param>
  </servlet>
  <servlet-mapping>
      <servlet-name>DruidStatView</servlet-name>
      <url-pattern>/druid/*</url-pattern>
  </servlet-mapping>

  <!-- 派遣器配置 -->
  <servlet>
      <servlet-name>tcm</servlet-name>
      <servlet-class>
         org.springframework.web.servlet.DispatcherServlet
      </servlet-class>
      <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
      <servlet-name>tcm</servlet-name>
      <url-pattern>/</url-pattern>
  </servlet-mapping>

  <error-page>
    <error-code>404</error-code>
    <location>/WEB-INF/views/commonpages/error/404.jsp</location>
  </error-page>

	<!-- CAS配置 -->
 	 <!-- 用于单点退出，该过滤器用于实现单点登出功能，可选配置 -->
	<listener>
		<listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
	</listener>

	<!-- 该过滤器用于实现单点登出功能，可选配置。 -->
	<filter>
		<filter-name>CAS Single Sign Out Filter</filter-name>
		<filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>CAS Single Sign Out Filter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<!-- 该过滤器负责用户的认证工作，必须启用它 -->
	<filter>
		<filter-name>CASFilter</filter-name>
		<filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
		<init-param>
			<param-name>casServerLoginUrl</param-name>
			<param-value>${CAS_ROOT_URI}/login</param-value>
			<!--这里的server是服务端的IP -->
		</init-param>
		<init-param>
			<param-name>serverName</param-name>
			<param-value>${SERVER_NAME}</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CASFilter</filter-name>
		<url-pattern>/user/loginpage</url-pattern>
	</filter-mapping>

	<!-- 该过滤器负责对Ticket的校验工作，必须启用它 -->
	<filter>
		<filter-name>CAS Validation Filter</filter-name>
		<filter-class>
			org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter
		</filter-class>
		<init-param>
			<param-name>casServerUrlPrefix</param-name>
			<param-value>${CAS_ROOT_URI}</param-value>
		</init-param>
		<init-param>
			<param-name>serverName</param-name>
			<param-value>${SERVER_NAME}</param-value>
		</init-param>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<param-name>redirectAfterValidation</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CAS Validation Filter</filter-name>
		<url-pattern>/user/loginpage</url-pattern>
	</filter-mapping>

	<!-- 该过滤器负责实现HttpServletRequest请求的包裹， 比如允许开发者通过HttpServletRequest的getRemoteUser()方法获得SSO登录用户的登录名，可选配置。 -->
	<filter>
		<filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
		<filter-class>
			org.jasig.cas.client.util.HttpServletRequestWrapperFilter
		</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
		<url-pattern>/user/loginpage</url-pattern>
	</filter-mapping>

	<!-- 该过滤器使得开发者可以通过org.jasig.cas.client.util.AssertionHolder来获取用户的登录名。 比如AssertionHolder.getAssertion().getPrincipal().getName()。 -->
	<filter>
		<filter-name>CAS Assertion Thread Local Filter</filter-name>
		<filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>CAS Assertion Thread Local Filter</filter-name>
		<url-pattern>/user/loginpage</url-pattern>
	</filter-mapping>

</web-app>