down.jsp<form name=form1 action="down_1.jsp">
<SELECT NAME="d1">
<option>1</option>
<option>2</option>
</SELECT>
<input type="submit" value="submit">down_1.jsp<BODY>
<%
String d1 = request.getParameter("d1");
%>
<%=d1%>
</BODY>
<SELECT NAME="d1">
<option>1</option>
<option>2</option>
</SELECT>
<input type="submit" value="submit">down_1.jsp<BODY>
<%
String d1 = request.getParameter("d1");
%>
<%=d1%>
</BODY>
<option value="1">1</option>
<option value="2">2</option>
</select>然后
String d1 = request.getParameter("d1");
就可以了
<form name=form1 action="myjsp.jsp">
<SELECT NAME="d1" multiple>
<option value=1>1</option>
<option value=2>2</option>
<option valeu=3>3</option>
<option value=4>4</option>
</SELECT>
<input type="submit" value="submit">myjsp.jsp
<%
String d1[]=request.getParameterValues("d1");
for(int i=0;i<d1.length;i++)
{
%>
<%=d1[i]%><br>
<%
}
%>