下拉列表框 select 动态赋值

<tr>
        <td class="label">所属群组:</td>
        <td>
          <select name="group" dataType="Require" msg="请选择群组">
            {foreach from=$arrgroups item=group}
              <option value="{$group.car_group_id}" {if $group.car_group_id eq $car.group}selected{/if} >{$group.car_group_name}</option>
            {/foreach}
          </select>
        </td>
</tr>

　　

Smarty赋值

 <tr>
            <td height="55">用户群组：</td>
            <td>
                <select name="group_id" >
                    <option value ="17">请选择</option>
                    {foreach from=$group_user item=group}
                      <option value="{$group.user_group_id}" {if $group.user_group_id eq $brand.user_group_id}selected{/if} >{$group.title}

</option>
                    {/foreach}     

                 </select>
            </td>

        </tr>