<!-- 字符编码过滤器 -->
<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>
<!-- spring 监听器-->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<!-- 静态文件拦截 -->
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.css</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.swf</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.gif</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.jpg</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.png</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.js</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.html</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.xml</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.json</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.map</url-pattern>
	</servlet-mapping>
<!-- spring mvc servlet-->
	<servlet>
		<servlet-name>DispatcherServlet</servlet-name><!--在DispatcherServlet的初始化过程中,框架会在web应用的 -->
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:dispatcher-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>DispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern> <!--会拦截URL中带“/”的请求。 -->
	</servlet-mapping>
<!-- 欢迎页面 -->
	<welcome-file-list><!--指定欢迎页面 -->
		<welcome-file>/login</welcome-file>
	</welcome-file-list>
	<error-page> <!--当系统出现404错误,跳转到页面nopage.html -->
		<error-code>404</error-code>
		<location>/nopage.html</location>
	</error-page>
	<error-page> <!--当系统出现java.lang.NullPointerException,跳转到页面error.html -->
		<exception-type>java.lang.NullPointerException</exception-type>
		<location>/error.html</location>
	</error-page>
	<session-config><!--会话超时配置,单位分钟 -->
		<session-timeout>360</session-timeout>
	</session-config>
原文:https://www.cnblogs.com/hjwc/p/10409062.html