table合并单元格与img图片铺满整个td的html

<table>
<thead>
<tr><th colspan=2 >买家：易小麦</th></tr>
</thead>
<tbody>
<tr>
<td rowspan=4 >
<img src="../img/103.jpg" width="100%" height="100%">
</td>
<td >物品名称：移动电源</td>
</tr>
<tr><td >单价：￥28 元</td></tr>
<tr><td >数量：<input type="text" id="goods_number" ></td></tr>
<tr><td >卖家：易大麦</td></tr>
</tbody>
<tfoot>
<tr>
<td>支付方式:
<select class="w100">
<option value ="e">虚拟账户</option>
<option value ="r">现金账户</option>
<option value="b">网上银行</option>
</select>
</td>
<td>总价：<span id="total_price">0</span>万元</td>
</tr>
</tfoot>
</table>