<tr>
<td>a</td>
<td>上海市</td>
<td>市辖区</td>
<td>2014-05-30</td>
<td>2014-05-31</td>
<td>2219</td>
<td>0</td>
<td>
<a id = "queryBtn" data-id = "a" class = "action-btn">查看</a>
</td>
</tr>
jquery知道a标签如何查找a标签对应的上一级tr标签,并设置其背景颜色
$(“#queryBtn”).parents('tr:first').css({backgroundColor:'#d1eac8'});