org.apache.catalina.core.ApplicationFilterChain#internalDoFilter
filter.doFilter(request, response, this);
this是ApplicationFilterChain
增加一个Filter,则Filters总数n增加1
org.apache.catalina.core.ApplicationFilterChain#addFilter
标签:core,catalina,中先,Filter,Servlet,ApplicationFilterChain From: https://www.cnblogs.com/softidea/p/17911397.html