Java web.xml的加载顺序
web.xml加载顺序:context-param(上下文信息) -> listener(监听器) ->filter(过滤器) ->servlet(控制器)
注:
1).filter中可配置多个,与之匹配的配置节叫filter-mapping.但filter-mapping必须配置在filter之后
例:
<filter>
<!-- 过滤器名称 --> <filter-name>filter</filter-name> <filter-class>com.hl.xxx.MyFilter</filter-class> <init-param> <param-name>charset</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>contentType</param-name> <param-value>text/html;charset=UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>filter</filter-name> <!-- * 代表截获任何请求 实际项目中会有相应的后缀 例如: .do 需配置为 /*.do--> <url-pattern>/*</url-pattern> </filter-mapping>
posted on 2018-04-08 12:56 SevenAndSeven 阅读(151) 评论(0) 编辑 收藏 举报