web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
    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_3_0.xsd">
 
  <display-name></display-name>    
 
  <!-- 404錯誤攔截 -->
  <error-page>
    <error-code>404</error-code>
    <location>/error404.jsp</location>
  </error-page>
  <!-- 500錯誤攔截 -->
  <error-page>
    <error-code>500</error-code>
    <location>/error500.jsp</location>
  </error-page>
 
  <!-- 載入spring容器 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>WEB-INF/classes/spring/applicationContext-*.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
 
  <!-- 配置前端控制器 -->
  <servlet>
      <servlet-name>spring</servlet-name>
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
      <init-param>
          <!-- ContextconfigLocation配置springmvc載入的配置檔案
          介面卡、處理對映器等
           -->
          <param-name>contextConfigLocation</param-name>
          <param-value>WEB-INF/classes/spring/springmvc.xml</param-value>
  </init-param>
  </servlet>
  <servlet-mapping>
      <servlet-name>spring</servlet-name>
      <!-- 1、.action訪問以.action結尾的  由DispatcherServlet進行解析
           2、/,所有訪問都由DispatcherServlet進行解析
       -->
      <url-pattern>/</url-pattern>
  </servlet-mapping>
 
  <!-- 解決post亂碼問題的過濾器 -->
  <filter>
      <filter-name>CharacterEncodingFilter</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>
  </filter>
  <filter-mapping>
      <filter-name>CharacterEncodingFilter</filter-name>
      <url-pattern>/*</url-pattern>
  </filter-mapping>
  <welcome-file-list>
    <welcome-file>welcome.jsp</welcome-file>
  </welcome-file-list>
 
</web-app>