我们知道帆软Report本质是一个web项目，所以他也有filter，servelt。当一个请求来到时，先经过filter，然后再经过servlet。
第一步，要经过的filter：
帆软报表内部加了7个filter。他们分别是：
ApplicationFilterConfig[name=encodingFilter, filterClass=com.fr.third.springframework.web.filter.CharacterEncodingFilter]
ApplicationFilterConfig[name=MyGlobalFilter, filterClass=com.fr.decision.base.DecisionServletInitializer$5]
ApplicationFilterConfig[name=html5_filter, filterClass=com.fr.decision.base.DecisionServletInitializer$5]
ApplicationFilterConfig[name=decision, filterClass=com.fr.decision.base.DecisionServletInitializer$4]
ApplicationFilterConfig[name=counter, filterClass=com.fr.decision.base.DecisionServletInitializer$6]
ApplicationFilterConfig[name=TenantFilter, filterClass=com.fr.decision.webservice.filter
