[英]Select MySQL limit columns by post request with columns number
我試圖通過將PHP發布請求發送到具有列號的MySQL來獲取MySQL列
PHP:
<?php
$columns = $_POST['number'];
$result = mysql_query(" SELECT * FROM table3 order by RAND() LIMIT '$columns'");
?>
HTML:
<form action="file.php" method="post" >
<input type="text" name="number" value="5" autocomplete="off">
<input type="submit" Value="Submit">
</form>
你是說
SELECT * FROM table3 order by RAND() LIMIT '5'
看到報價問題?
它應該是
<?php
$columns = (int)$_POST['number'];
$result = mysql_query(" SELECT * FROM table3 order by RAND() LIMIT $columns");
?>
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