1. JCreator3.5中导入:%tomcat_home%\Tomcat 5.0\common\lib下的servlet-api.jar2. 目录结构:
   webapps(%tomcat_home%\Tomcat 5.0\)
      |
      |---工程目录1
      |
      |---工程目录2
              |
              |---WEB-INF(大写)
                     |
                     |---web.xml
                     |
                     |---classes(放.class文件的)
                     |
                     |---lib3. web.xml<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
    <servlet>
        <servlet-name>HelloWorld</servlet-name>
        <servlet-class>HelloWorld</servlet-class>
    </servlet>     <servlet-mapping>
        <servlet-name>HelloWorld</servlet-name>
        <url-pattern>/Hello</url-pattern>
    </servlet-mapping>
</web-app>