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美好的一天!我在存儲數據庫中的值時遇到問題。該程序的流程是用戶將輸入他將獲得多少主題。例如,他/她可以放6個科目。所以它會釋放6個輸入類型,其值等於文本。我的問題是我的數據庫中沒有6行,因爲用戶需要6個輸入。從while循環插入多行到數據庫
HTML/PHP
<form method="POST">
<table>
<tr>
<td>SUBJECT CODE/SUBJECT DESCRIPTION/SEMESTER</td>
</tr>
<?php $counter=1 ;
while($counter <= $subj){?>
<tr>
<td>
<select name="sub">
<?php $select=mysql_query("SELECT * FROM subject
WHERE course_code = '$course' AND semester = '$sem'");
while($rows=m ysql_fetch_assoc($select)){
$code=$rows['subj_code'];
$desc=$rows['subj_desc'];
$units=$rows['units'];
$yr=$rows[ 'year_level'];
?>
<**option value="<?php echo $codes[$code]; ?>">
<?php echo $code. " - ".$desc; ?>
</option>**
<?php } ?>
</select>
</td>
<td>
</td>
</tr>
<?php $counter++; } } ?>
<tr>
<td>
<input type="submit" name="add" value="add subjects">
</td>
</tr>
</table>
</form>
PHP/SQL
<?php
if (isset($_POST['add'])) {
$data = array();
$subject = $_POST['sub'];
$sem = $_SESSION['sem'];
for ($i = 0; $i < count($subject); $i++) {
$subject = mysql_real_escape_string($subject[$i]);
$sem = mysql_real_escape_string($sem[$i]);
$yr = mysql_real_escape_string($yr[$i]);
$fac = mysql_real_escape_string($fac[$i]);
$col = mysql_real_escape_string($col[$i]);
$set = mysql_query("SET foreign_key_checks = 0");
if (!$set) {
die("Foreign key SET failed");
} else {
$insertmid = mysql_query("INSERT INTO grade_midterm
(midterm_grade, semester, year_level, subj_code, stud_id, fac_id, col_code)
VALUES ('NA','$sem','$yr','$subject', '$user','$fac','$col')");
if (!$insertmid) {
die("Failed to insert midterm" . mysql_error());
} else {
$insertfinal = mysql_query("INSERT INTO grade_final
(final_grade, semester, year_level, subj_code, stud_id, fac_id, col_code)
VALUES ('NA','$sem','$yr','$subject','$user','$fac','$col')");
if (!$insertfinal) {
die("Failed to indert final");
} else {
$set2 = mysql_query("SET foreign_key_checks = 1");
echo "<script>alert('Success Adding Subject');</script>";
}
}
}
}
}
?>
首先的陣列,用戶應立即停止使用mysql_功能。他們現在已經過時了一段時間。使用pdo或mysqli_ instaed –
是的,我會先生!即時轉向PHP7格式。但我大多熟悉php5。即時通訊只是害怕我會卡在一些部分,我只有很短的時間完成這項任務。但我正在研究mysqli。 :) –