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web.xml里配置filter顺序按照先来后到

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Filter注解(urlPatterns只在web.xml配置即可):

@WebFilter(filterName = "EncodingFilter")

@WebFilter(filterName = "LogFilter")

web.xml里:

<!-- 过滤顺序:谁的写在上面,谁先被过滤 -->
  <filter-mapping>
    <filter-name>EncodingFilter</filter-name>
    <url-pattern>/*</url-pattern> 
  </filter-mapping>

  <filter-mapping>
    <filter-name>LogFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

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