select控件问题?
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<!--include top.jsp begin-->
<%@ include file="top.jsp"%>
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<!--include menu.jsp begin-->
<%@ include file="menu.jsp"%>
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<td height="31" background="images/btl_bg.gif"><table width="100%" height="31" border="0" cellpadding="0" cellspacing="0" class="btlfirst">
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<td width="30"> </td>
<td><table width="100%" border="0" cellspacing="0" cellpadding="0">
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<td width="20"><img src="images/arrow2.gif" width="9" height="8"></td>
<td class="btlfirst">编辑项目</td>
</tr>
</table></td>
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</table></td>
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<table width="100%" border="0" cellpadding="0" cellspacing="0" class="bodycon">
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<td width="12" valign="top" background="images/body_leftbg.gif"><img src="images/body_left.gif" width="12" height="428"></td>
<td valign="top" class="bodycon"><br>
<br> <table border="0" align="center" cellpadding="0" cellspacing="0" class="input1">
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<td class="inputtitle"><table border="0" cellspacing="0" cellpadding="0">
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<td> </td>
<td><table border="0" cellspacing="0" cellpadding="0">
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<td><img src="images/button_left.gif" width="10" height="24"></td>
<td background="images/button_bg.gif"><table width="100%" border="0" cellspacing="0" cellpadding="0">
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<td width="20" align="center"><img src="images/icon_submit.gif" width="11" height="14"></td>
<td>提交</td>
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</table></td>
<td><img src="images/button_right.gif" width="10" height="24"></td>
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</table></td>
<td> </td>
<td><table border="0" cellspacing="0" cellpadding="0">
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<td><img src="images/button_left.gif" width="10" height="24"></td>
<td background="images/button_bg.gif"><table width="100%" border="0" cellspacing="0" cellpadding="0">
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<td width="20" align="center"><img src="images/icon_reset.gif" width="13" height="12"></td>
<td>重置</td>
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</table></td>
<td><img src="images/button_right.gif" width="10" height="24"></td>
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</table></td>
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<td><table width="100%" border="0" align="center" cellpadding="4" cellspacing="0">
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<td width="15%" align="center" class="inputunderline"><font color=red>*</font>使用语种</td>
<td class="inputunderline"><select name="select3" size="5" multiple="multiple">
<option value="1">中文</option>
<option value="2">英语</option>
<option value="3">日文</option>
</select></td>
</tr>
</table></td>
</tr>
</table>
<br></td>
</tr>
</table>
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<%@ include file="bottom.jsp"%>
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</body>
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如何实现语种的多选?(如果选择英语和中文的话,提交表单时应该得到1和2)