摘要：这个是struts2的核心过滤器(Filter)，代码如下： 1 /* 2 * $Id: DefaultActionSupport.java 651946 2008-04-27 13:41:38Z apetrelli $ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional ... 阅读全文