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
- <filter>
- <filter-name>authority</filter-name>
- <filter-class>com.util.AuthorityFilter</filter-class>
- </filter>
- <filter-mapping>
- <filter-name>authority</filter-name>
- <url-pattern>/pages/cmm/*;/pages/genbill/*</url-pattern>
- </filter-mapping>
<filter>
<filter-name>authority</filter-name>
<filter-class>com.util.AuthorityFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>authority</filter-name>
<url-pattern>/pages/cmm/*;/pages/genbill/*</url-pattern>
</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。
- <filter>
- <filter-name>authority</filter-name>
- <filter-class>com.util.AuthorityFilter</filter-class>
- </filter>
- <filter-mapping>
- <filter-name>authority</filter-name>
- <url-pattern>/pages/cmm/*</url-pattern>
- <url-pattern>/pages/genbill/*</url-pattern>
- </filter-mapping>
<filter>
<filter-name>authority</filter-name>
<filter-class>com.util.AuthorityFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>authority</filter-name>
<url-pattern>/pages/cmm/*</url-pattern>
<url-pattern>/pages/genbill/*</url-pattern>
</filter-mapping>
三、现在给出正确的配置方式
- <filter>
- <filter-name>authority</filter-name>
- <filter-class>com.util.AuthorityFilter</filter-class>
- </filter>
- <filter-mapping>
- <filter-name>authority</filter-name>
- <url-pattern>/pages/genbill/*</url-pattern>
- </filter-mapping>
- <filter-mapping>
- <filter-name>authority</filter-name>
- <url-pattern>/pages/cmm/*</url-pattern>
- </filter-mapping>
本文探讨了在Web应用中配置Filter的多种方式,并对比分析了不同配置的有效性。文章详细介绍了三种配置方法:完全错误的方式、部分生效的方式及正确的配置方案。通过实践测试,明确了如何准确设置多个URL-Pattern。



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