一个Filter配置多个url-pattern

本文介绍了在Web应用中正确配置Filter以匹配多个URL模式的方法,并对比了常见配置误区。

一个Filter配置多个url-pattern

(2012-02-27 16:43:24)
标签:

杂谈

分类: WEB

最近做项目遇到一个Filter需要配置多个url-pattern,上网查了下资料,经测试,现总结下 

一、完全错误的方式 
Java代码
  1. <filter>  
  2.     <filter-name>authority</filter-name>  
  3.     <filter-class>com.util.AuthorityFilter</filter-class 
  4. </filter>  
  5. <filter-mapping>  
  6.     <filter-name>authority</filter-name>  
  7.     <url-pattern>/pages/cmm/*;/pages/genbill/*</url-pattern>  
  8. </filter-mapping>  

二、有一定作用,但不能实现需要的效果,只会过滤最下面配置的url-pattern。 
Java代码 
  1. <filter>  
  2.     <filter-name>authority</filter-name>  
  3.     <filter-class>com.util.AuthorityFilter</filter-class 
  4. </filter>  
  5. <filter-mapping>  
  6.     <filter-name>authority</filter-name>  
  7.     <url-pattern>/pages/cmm/*</url-pattern>  
  8.        <url-pattern>/pages/genbill/*</url-pattern>  
  9. </filter-mapping>  

三、现在给出正确的配置方式 
Java代码
  1. <filter>  
  2.     <filter-name>authority</filter-name>  
  3.     <filter-class>com.util.AuthorityFilter</filter-class 
  4. </filter>  
  5. <filter-mapping>  
  6.     <filter-name>authority</filter-name>  
  7.        <url-pattern>/pages/genbill/*</url-pattern>  
  8. </filter-mapping>  
  9. <filter-mapping>  
  10.     <filter-name>authority</filter-name>  
  11.     <url-pattern>/pages/cmm/*</url-pattern>  
  12. </filter-mapping>  

8

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    <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" 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"> <display-name></display-name> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.css</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>*.mp3</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.mp4</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.ttf</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.woff</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.woff2</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.ppt</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.doc</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.docx</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.xls</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.xlsx</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.zip</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>*.rar</url-pattern> </servlet-mapping> <filter> <filter-name>Set Character Encoding</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> </filter> <filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>wangzhan/index.jsp</welcome-file> </welcome-file-list> </web-app>
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