web.xml的基本配置

 

  <?xml version="1.0" encoding="UTF-8" ?>

- < web-app version =" 2.5 " xmlns =" http://java.sun.com/xml/ns/javaee " xmlns:xsi =" http://www.w3.org/2001/XMLSchema-instance " xsi:schemaLocation =" http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd ">

- < servlet >

  < servlet-name > action </ servlet-name >

  < servlet-class > org.apache.struts.action.ActionServlet </ servlet-class >

- < init-param >

  < param-name > config </ param-name >

  < param-value > /WEB-INF/struts-config.xml </ param-value >

  </ init-param >

- < init-param >

  < param-name > debug </ param-name >

  < param-value > 3 </ param-value >

  </ init-param >

- < init-param >

  < param-name > detail </ param-name >

  < param-value > 3 </ param-value >

  </ init-param >

  < load-on-startup > 0 </ load-on-startup >

  </ servlet >

- < servlet >

  < servlet-name > DisplayChart </ servlet-name >

  < servlet-class > org.jfree.chart.servlet.DisplayChart </ servlet-class >

  </ servlet >

- < servlet-mapping >

  < servlet-name > DisplayChart </ servlet-name >

  < url-pattern > /servlet/DisplayChart </ url-pattern >

  </ servlet-mapping >

- < servlet-mapping >

  < servlet-name > action </ servlet-name >

  < url-pattern > *.do </ url-pattern >

  </ servlet-mapping >

- < filter >

  < filter-name > encode </ filter-name >

  < filter-class >对应的 包名 </ filter-class >

- < init-param >

  < param-name > ccode </ param-name >

  < param-value > utf-8 </ param-value >

  </ init-param >

  </ filter >

- < filter-mapping >

  < filter-name > encode </ filter-name >

  < url-pattern > /* </ url-pattern >

  </ filter-mapping >

- < filter >

  < filter-name > DoFilter </ filter-name >

  < filter-class > 对应的包名 </ filter-class >

  </ filter >

- < filter-mapping >

  < filter-name > DoFilter </ filter-name >

  < url-pattern > /teacher/* </ url-pattern >

  < url-pattern > /student/* </ url-pattern >

  < url-pattern > /manager/* </ url-pattern >

  </ filter-mapping >

- < welcome-file-list >

  < welcome-file > index.jsp </ welcome-file >

  </ welcome-file-list >

  </ web-app >