next.jsp

来自「Java基础教程课程中的例题源码下载。总共有11章」· JSP 代码 · 共 18 行

<%
    out.println("JSP容器: "+application.getServerInfo()+"<br>");
    String filename = request.getServletPath();          //获得本文档名
    out.println("JSP文档: "+application.getRealPath(filename)+"<br>");
    String s = (String)application.getAttribute("count");
    out.println("您好!您是第 "+s+" 位访问者。<br><br>");
       
    String id =session.getId();
    out.println("session 的ID号:  "+id+"  "+"<br>");
    String nb = (String)session.getAttribute("number");
    if (nb==null)
       { session.setAttribute("number","1"); }
    else   
       { nb = (Integer.parseInt(nb) +1)+"";
         session.setAttribute("number",nb); }
    out.println("这是第 "+nb+" 页。<br>");
    session.invalidate();                         //设置当前session无效
%>