你不能得到工作與$submit
按鈕值,它應該是$_POST['submit']
你可以試試這個腳本
<?php
if(isset($_POST['next'])) {
$submit = 'Next button was clicked.';
// header(...);
} elseif(isset($_POST['back'])) {
$submit = 'Back button was clicked.';
// header(...);
} else {
$submit = '';
}
?>
<form action="" method="post">
<p>Click...</p>
<input type="submit" name="back" value="Back"/>
<input type="submit" name="next" value="Next"/>
</form>
<br/><?=$submit;?>
或用相同的按鈕名稱,像您的意見箭頭:。
<?php
if(isset($_POST['submit']) && $_POST['submit'] == 'next') {
$submit = 'Next button was clicked.';
// header(...);
} elseif(isset($_POST['submit']) && $_POST['submit'] == 'back') {
$submit = 'Back button was clicked.';
// header(...);
} else {
$submit = '';
}
?>
<form action="" method="post">
<p>Click...</p>
<input type="image" name="submit" src="http://cdn4.iconfinder.com/data/icons/brightmix/128/monotone_arrow_left_small.png" value="back"/>
<input type="image" name="submit" src="http://cdn4.iconfinder.com/data/icons/brightmix/128/monotone_arrow_right.png" value="next"/>
</form>
<br/><?=$submit;?>
什麼是'$提交[ '回']'的價值?什麼是提交按鈕的HTML? – Quentin
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