struts配置文件 init-param说明

本文解析了Struts框架中配置文件的使用方式,介绍了如何通过不同的配置文件针对特定模块进行配置,以此来减轻顶级配置文件的压力并提高代码组织的灵活性。

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    <init-param>  
              <param-name>config</param-name>  
              <param-value>/WEB-INF/struts-config.xml</param-value>  
          </init-param>  
          <init-param>  
              <param-name>config/member</param-name>  
              <param-value>/WEB-INF/member/struts-config-member.xml</param-value>  
          </init-param>  
   
  假设   set   config   =   ${web-app-root}  
   
  得  
  ${web-app-root}   =   /WEB-INF/struts-config.xml  
  ${web-app-root}/member   =   /WEB-INF/member/struts-config-member.xml  
   
  1. 也就是说struts-config.xml是对${web-app-root}所有jsp及jsp里的javabean进行配置  
  2. 而struts-config-member.xml是对${web-app-root}/member所有jsp及jsp里的javabean进行配置  
   
  你配置的FormBean在哪个目录下调用,就到相应的config-XXX.xml配置一次就行了。  
   
  /WEB-INF/struts-config.xml处于顶层。ActionServlet对其映射的优先级是最低的。  
  当然也是最保险的。  
   
  这样使得/WEB-INF/struts-config.xml不用这么拥挤。  
   
   
  也就是说:   到相应的config-XXX.xml配置一次就行了。  
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <display-name></display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath*:applicationContext*.xml classpath*:*Context.xml </param-value> </context-param> <context-param> <param-name>webAppRootKey</param-name> <param-value>rms.root</param-value> </context-param> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/classes/log4j.properties</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60</param-value> </context-param> <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <listener> <listener-class>com.hg.filter.UrlAuthListen</listener-class> </listener> <listener> <listener-class>com.hg.filter.WebConfigListener</listener-class> </listener> <filter> <filter-name>openSessionInViewFilter</filter-name> <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter </filter-class> <init-param> <param-name>singleSession</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>openSessionInViewFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter> <filter-name>XssFilter</filter-name> <filter-class>com.hg.aop.XssFilter</filter-class> </filter> <filter-mapping> <filter-name>XssFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- dwr 配置 --> <servlet> <servlet-name>dwr-invoker</servlet-name> <servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class> <init-param> <param-name>debug</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>activeReverseAjaxEnabled</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>crossDomainSessionSecurity</param-name> <param-value>false</param-value> </init-param> <init-param> <description>How quickly do scriptSessions timeout?</description> <param-name>scriptSessionTimeout</param-name> <param-value>1800000</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dwr-invoker</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping> <listener> <listener-class>org.directwebremoting.servlet.EfficientShutdownServletContextAttributeListener</listener-class> </listener> <!-- dwr 配置 --> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>具体解释一下web.xml的配置
最新发布
07-08
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