通过web.xml来配置servlet程序

IDEA 2022.3.3 + tomcat-9.0.27
Java EE8 + JDK-16

配置访问的虚拟路径

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"version="4.0"><servlet><servlet-name>firstDemo</servlet-name><servlet-class>com.study.ServletDemo</servlet-class></servlet><servlet-mapping><servlet-name>firstDemo</servlet-name><url-pattern>/good</url-pattern></servlet-mapping>
</web-app>

效果演示