web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app 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/web-app_2_4.xsd"
    version="2.4">
    <display-name>vi</display-name>
    <description>整理一下验证码,生成不同形式的验证码</description>
    <icon>
        <!-- 这个没什么意义,可以查看index.html页面那个icon,那个挺酷 -->
        <small-icon>/images/logo.gif</small-icon>
    </icon>
    <!-- 可以使用distributable元素来告诉servlet/JSP容器,编写将在分布式Web容器中部署的应用 -->
<!--     <distributable /> -->
    <context-param>
        <param-name>jdbcDriver</param-name>
        <param-value>com.mysql.jdbc.Driver</param-value>
    </context-param>

    <!-- 验证码1 -->
    <servlet>
        <servlet-name>validateImage1</servlet-name>
        <servlet-class>com.xue0610.common.ValidateImage1</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>validateImage1</servlet-name>
        <url-pattern>v1/*</url-pattern>
    </servlet-mapping>
    <!-- 验证码2 -->
    <servlet>
        <servlet-name>validateImage2</servlet-name>
        <servlet-class>com.xue0610.common.ValidateImage2</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>validateImage2</servlet-name>
        <url-pattern>v2/*</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>TimeFilter</filter-name>
        <filter-class>com.xue0610.common.TimeFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>TimeFilter</filter-name>
        <servlet-name>*</servlet-name>
    </filter-mapping>



    <!-- 欢迎页面 -->
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
    </welcome-file-list>
    <!-- 错误页面 -->
    <error-page>
        <error-code>404</error-code>
        <location>/error/404.html</location>
    </error-page>
    <error-page>
        <error-code>500</error-code>
        <location>/error/500.html</location>
    </error-page>
</web-app>
原文地址:https://www.cnblogs.com/jfzh/p/4164537.html