Filter 配置多个URL-PATTERN

from:Filter 配置多个URL-PATTERN

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>  

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