<form action="<%=path%>/Index">

  <c:set var="qqq" value="123" scope="page"></c:set>

    	<%

    		request.setAttribute("temp1","456") ;

    	%>

   <input type="submit" value="111">

 </form>

System.out.println(request.getAttribute("qqq"));

System.out.println(request.getAttribute("temp1"));

<form method="post" name="unform" action="<%=basePath%>LoginServlet" target="_parent">

<table border="0" width="61%" style="background-color:#888fff" bgcolor="#888fff" > 

 

 

<td width="80%" class="3dfont"><font color="#008040"></font>

 

  

<table border="0" width="100%"  bgcolor="#888fff" > 

    <input type="hidden"  id="info" value="${param.info}">

   <tr >

   <td width="10%" class="3dfont"><b>账户</b></td>

   <td width="20%"><input type="text" name="username"  value="bcsflilong"/></td>

   <td width="10%" class="3dfont"><b>密码</b></td>

   <td width="20%"><input type="password" name="psw"  value="" /></td>

   <td width="20%"><input type="submit" onClick="return _submit()" value="登录"> </td>

   </tr></b>

    

</table></td></table></center>

</form>

public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {