当需要过滤forward请求的资源时,可以设置dispatcher为FORWARD过滤方式
FromServlet::doGet()
MappingFilter::doFilter():A
ToServlet::doGet()
MappingFilter::doFilter():B
在web.xml文件中配置代码如下:
<filter-mapping>
<filter-name>MappingFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
</filter-mapping>
转载于:https://blog.51cto.com/357712148/2105468