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美好的一天,我有一個巨大的問題,我知道PHP使用MySQL數據庫和JavaScript不。但我試圖完成的事情是使用數據庫號碼值「9000」,並從點擊「3000」這樣的prducts產生的javascript數值中減去它,那麼它必須給出6000的最終答案。在PHP計算中使用javascript數值
這裏就是我有
<table><tbody>
<tr>
<td class='odd'><?php echo htmlentities($_SESSION['usr']['usr'], ENT_QUOTES, 'UTF-8');
?></td>
<td class='even'> </td>
</tr>
<tr>
<td class='odd'>Your Value Points: </td>
<td class='even'><span id="valuep" class="valuep"><?php echo
htmlentities($_SESSION['usr']['points'], ENT_QUOTES, 'UTF-8'); ?></span></td>
</tr>
<tr>
<td class='odd'> </td>
<td class='even'> </td>
</tr>
<tr><td class='odd'>Total Items: </td><td class='even'><span id='simpleCart_quantity'
class='simpleCart_quantity'></span></td></tr>
<tr><td class='odd'>SubTotal: </td><td class='even'><span id='simpleCart_total'
class='simpleCart_total'></span></td></tr>
<tr><td class='odd'> </td><td class='even'> </td></tr>
<tr><td class='odd'>Total</td><td class='even'>
<?php
$first_number = htmlentities($_SESSION['usr']['points'], ENT_QUOTES, 'UTF-8');
$second_number = "This must be the simpleCart_total";
$sum_total = $first_number - $second_number;
print ($sum_total);
?>
</td>
</tr>
</tbody>
</table>
嗨@LinkinTED感謝您的評論,請你舉例說明這將如何完成,因爲我不是一個JavaScript專家。 – Christoff
嗯,我不會爲你編碼,但我可以給你這些有用的鏈接:1)https://www.google.nl/search?q=javascript+set+value+in+input 2)https:/ /www.google.nl/search?q=javascript+set+cookie – LinkinTED
再次感謝您的快速回復。如果你有時間,你可以請看看這個:http://hiteksecurity.net/Demo3/valueshop/index.php - 用戶名=演示 - 密碼= f2130c那麼也許你會明白我在看幹 – Christoff