D:\jbuilder5\lib\servlet.jar,
在JBuilder中加入该jar即可。

解决方案 »

  1.   

    在project--->project properties里的required libraries里加上servlet
      

  2.   

    bobosji(波波司机),对,不过我加的是tomcat3.2这个包。
      

  3.   

    只要你加入了servlet.jar就可以了
      

  4.   

    你需要在CLASSPATH中指明javax.servlet包。
    你用什么服务器?我的tomcat是3.2.1版本servlet.jar包含的类有:javax/
    javax/servlet/
    javax/servlet/http/
    javax/servlet/jsp/
    javax/servlet/jsp/tagext/
    javax/servlet/http/Cookie.class
    javax/servlet/http/HttpServlet.class
    javax/servlet/http/NoBodyResponse.class
    javax/servlet/http/NoBodyOutputStream.class
    javax/servlet/http/HttpServletRequest.class
    javax/servlet/http/HttpServletResponse.class
    javax/servlet/http/HttpSession.class
    javax/servlet/http/HttpSessionBindingEvent.class
    javax/servlet/http/HttpSessionBindingListener.class
    javax/servlet/http/HttpSessionContext.class
    javax/servlet/http/HttpUtils.class
    javax/servlet/http/LocalStrings.properties
    ......
    javax/servlet/jsp/PageContext.class
    ......里面包含的有你需要的类和包。
    注意你的类路径!