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我正在尝试使用此方法减去两个值,但它对我不起作用。知道如何用这种方式减去这个吗?
<td>'.$row['sales']-$row['return'].'</td>
用括号括起来:
<td>' . ($row['sales'] - $row['return']) . '</td>
<P:focus标签在普通表单中工作正常,但当表单位于 a 的第二个选项卡中时,p:tabView它不起作用。
<P:focus
p:tabView
选择选项卡时设置表单第一个输入的焦点的解决方案是什么?