<filter> <filter-name>SetCharacterEncoding</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>SetCharacterEncoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 指定spring配置文件位置 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> <!--加载多个spring配置文件 --> /WEB-INF/applicationContext.xml, /WEB-INF/action-servlet.xml </param-value> </context-param> <!-- 定义SPRING监听器,加载spring。--> <p><listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <listener> <listener-class> org.springframework.web.context.request.RequestContextListener </listener-class> </listener></p> <p> </p>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee "
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance "
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd ">
监听器首先检查contextConfigLocation 参数,如果它不存在,它将使用/WEB-INF/applicationContext.xml 作为默认值。
ContextLoaderServlet 同ContextLoaderListener 一样使用contextConfigLocation 参数。