<tr>
<td width="120"> 上传头图：</td>
<td >
<input type="file" id="head_pic" name="head_pic" />
<{if ($activity_basic_info.head_pic)}>
<img src="<{$activity_basic_info.head_pic}>" height="50px" width="50px">
<input type="hidden" id="hidden_head_pic" name="hidden_head_pic" value="<{$activity_basic_info.head_pic}>" />
<{/if}>
</td>
</tr>