<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 
xmlns="http://java.sun.com/xml/ns/j2ee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
  <!--
  設定session過期的時間
  -->
  <session-config>
  <session-timeout>20</session-timeout>
  </session-config>
  
  <!--
  讀取spring的配置檔案
  -->
 <context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath:config/spring.xml;classpath:config/spring-myBatis.xml</param-value>
  </context-param>
  
  <listener>
  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  
   <listener>
    <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
  </listener>
  
<!--
  設定字元編碼，將所有的字元編碼同意設定為utf-8
  -->
  <filter>
  <filter-name>filterEncoding</filter-name>
  <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  <init-param>
  <param-name>encoding</param-name>
  <param-value>utf-8</