<select id="com" class="easyui-combobox" editable="false" panelHeight="auto" style="width:154px">
<option value=" "></option>
<option value="1">电话</option>
<option value="2">看房</option>
</select>
$('#com').combobox({
onSelect: function () {
var v = $('#com').combobox('getValue');
if(v == 2)
{
$('.t_info').show();
}
else
{
$('.t_info').hide();
}
}
});