struts2错误:The Struts dispatcher cannot be found. The Struts dispatcher cannot be found. This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, whi…

org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter与org.apache.struts.dispatcher.FilterDispatcher是什么区别?   网上收集的,自认为比较好的答案:   FilterDispatcher是struts2.0.x到2.1.2版本的核心过滤器.!StrutsPrepareAndExecuteFilter是自2.1.3开始就替代了FilterDispatcher的.! 这…

解决struts2中UI标签出现的问题: The Struts dispatcher cannot be found 异常信息: The Struts dispatcher cannot be found.  This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its se…

报错信息 The Struts dispatcher cannot be found.  This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed…

这一节主要讲解struts2里面的struts.xml的常用标签及作用: 解决乱码问题 <constant name="struts.i18n.encoding" value="utf-8"/> //设置编码格式为utf-8 自定义扩展名 <constant name="struts.action.extension" value="action,,wang"/> //struts默认扩展名是actio…

The Struts dispatcher cannot be found. This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for t…

参考资料:http://blog.csdn.net/hntyzgn2010/article/details/5547753 http://chenlh.iteye.com/blog/464341 入门资料:http://wenku.baidu.com/view/91a63c18c281e53a5802fff8.html Struts是开源软件.使用Struts的目的是为了帮助我们减少在运用MVC设计模型来开发Web应用的时间.如果我们想混合使用Servlets和JSP的优点来建立可扩展的应用,s…

先来展示一个配置文件 <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd" > <struts> <!-- include节点是struts2中组件化的方式 可以将每个功能模块独立到一个xml配置文件中 然后用inclu…

详见http://www.cnblogs.com/dooor/p/5323716.html 一. struts2工作原理(网友总结,千遍一律) 1 客户端初始化一个指向Servlet容器(例如Tomcat)的请求 2 这个请求经过一系列的过滤器(Filter)(这些过滤器中有一个叫做ActionContextCleanUp的可选过滤器,这个过滤器对于Struts2和其他框架的集成很有帮助,例如:SiteMesh Plugin) 3 接着FilterDispatcher被调用,FilterDisp…

1.新建项目,添加jar包到WEB-INF目录下的lib文件夹,并添加到builde path里面 整体目录结构如下 2.新建web.xml,添加struts2核心过滤器,和默认首页 <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi=…