转载自https://blog.csdn.net/u010796790/article/details/52098258
一、spring 处理请求字符编码
<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>
二、配置监听器ContextLoaderListener
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
三、配置applicationContext的xml文件
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/applicationContext.xml</param-value>
</context-param>
四、配置静态资源的访问
<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>
五、配置spring MVC 的DispatcherServlet
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!--其中<param-value>**.xml</param-value> 这里可以使用多种写法-->
<!--1、不写,使用默认值:/WEB-INF/<servlet-name>-servlet.xml-->
<!--2、<param-value>/WEB-INF/classes/dispatcher-servlet.xml</param-value>-->
<!--3、<param-value>classpath*:dispatcher-servlet.xml</param-value>-->
<!--4、多个值用逗号分隔-->
<param-value>classpath:spring/dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<!--Servlet拦截匹配规则可以自已定义,当映射为@RequestMapping("/user/add")时,为例,拦截哪种URL合适?-->
<!--1、拦截*.do、*.htm, 例如:/user/add.do,这是最传统的方式,最简单也最实用。不会导致静态文件(jpg,js,css)被拦截。-->
<!--2、拦截/,例如:/user/add,可以实现现在很流行的REST风格。很多互联网类型的应用很喜欢这种风格的URL。弊端:会导致静态文件(jpg,js,css)被拦截后不能正常显示。 -->
<url-pattern>/</url-pattern> <!--会拦截URL中带“/”的请求。-->
</servlet-mapping>
六、指定特殊页面
<welcome-file-list><!--指定欢迎页面-->
<welcome-file>login.html</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>
七、指定会话超时
<session-config><!--会话超时配置,单位分钟-->
<session-timeout>360</session-timeout>
</session-config>