<th id="province" data-options="field:'province',width:100,halign:'center',title:'省份'" align="center"></th>
<th data-options="field:'city',width:100,halign:'center',title:'城市'" align="center"></th>
<th data-options="field:'area',width:100,halign:'center',title:'地区'" align="center"></th>
如何将三个列中的province,city,area拼接起来在一起显示