springmvc容器，ssh执行个人见解

超、凢脫俗 2022-08-25 11:55 116阅读 0赞

不管我们用的是springmvc+jpa springmvc+hibernate 或者搭载其他的关系模型框架，ssh 框架 tomcat作为服务器 首先读取的是项目WEB-INF下面的web.xml文件，因为框架不同，因而web.xml文件中的配置差异很大。

我们首先来看springmvc框架的web.xml配置文件 每一个我做一个解读吧。

<?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\_2\_5.xsd"  
id="WebApp\_ID" version="2.5">  
<display-name>cs</display-name>  
  
<context-param>  
<param-name>contextConfigLocation</param-name>  
<param-value> /WEB-INF/classes/applicationConfig.xml  
</param-value>  
</context-param>  
  
<listener>  
<listener-class>com.ece.ec.framework.SetupListener</listener-class>  
</listener>  
  
  
<filter>  
<filter-name>prestruts</filter-name>  
<filter-class>com.ece.ec.framework.PreStrutsFilter</filter-class>  
</filter>  
  
  
<filter-mapping>  
<filter-name>prestruts</filter-name>  
<url-pattern>/docs/\*</url-pattern>  
<url-pattern>\*.html</url-pattern>  
<url-pattern>\*.jsp</url-pattern>  
</filter-mapping>  
  
  
<filter>  
<filter-name>encoding-filter</filter-name>  
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>  
<init-param>  
<param-name>encoding</param-name>  
<param-value>UTF-8</param-value>  
</init-param>  
<init-param>  
<param-name>forceEncoding</param-name>  
<param-value>true </param-value>  
</init-param>  
</filter>  
  
  
<filter-mapping>  
<filter-name>encoding-filter</filter-name>  
<url-pattern>\*.html</url-pattern>  
<url-pattern>/print/\*</url-pattern>  
<url-pattern>\*.jsp</url-pattern>  
</filter-mapping>  
  
<servlet>  
<servlet-name>dispatcher</servlet-name>  
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> //这里是springmvc启动的核心  
<init-param>  
<param-name>contextConfigLocation</param-name>  
<param-value></param-value>  
</init-param>  
</servlet>  
<servlet-mapping>  
<servlet-name>dispatcher</servlet-name>  
<url-pattern>\*.html</url-pattern>  
<url-pattern>/print/\*</url-pattern>  
</servlet-mapping>  
  
<servlet>  
  
<servlet-name>dwr-invoker</servlet-name>  
  
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>  
  
<init-param>  
<param-name>config</param-name>  
  
<param-value>  
/WEB-INF/classes/dwr.xml  
</param-value>  
</init-param>  
  
<init-param>  
<param-name>debug</param-name>  
<param-value>true</param-value>  
</init-param>  
<init-param>  
<param-name>crossDomainSessionSecurity</param-name>  
<param-value>false</param-value>  
</init-param>  
</servlet>  
<servlet-mapping>  
<servlet-name>dwr-invoker</servlet-name>  
<url-pattern>/dwr/\*</url-pattern>  
</servlet-mapping>  
  
  
  
  
<session-config>  
<session-timeout>30</session-timeout>  
</session-config>  
  
  
<welcome-file-list>  
<welcome-file>index.jsp</welcome-file>  
</welcome-file-list>  
  
  
<error-page>  
<error-code>500</error-code>  
<location>/system/error.html</location>  
</error-page>  
<error-page>  
<error-code>400</error-code>  
<location>/system/error.html</location>  
</error-page>  
<error-page>  
<error-code>403</error-code>  
<location>/system/error.html</location>  
</error-page>  
</web-app>