您好,我有一个复选框,如果选中,我想将其值保存到数据库中,如果未选中,则保存不同的文本。
我试过这段代码,它可以工作,但如果我有 2 个复选框,它就不再工作了。
在 view.php 中尝试过代码:
$ch = SELECT check FROM users;
if($ch=="checked"){
echo "checked";
}else{
echo "not checked";
}
html :
<form action="action.php" method="post" id="form">
<p>checkbox: <input type="checkbox" name="check" value="checked" /></p>
<input type="submit" value="submit" />
</form>
action.php :
<?php
define('DB_NAME', 'users');
define('DB_USER', 'root');
define('DB_PASSWORD', '');
define('DB_HOST', 'localhost');
$link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
if (!$link) {
die('Could not connect : ' . mysql_error());
}
$db_selected = mysql_select_db(DB_NAME, $link);
if (!$db_selected) {
die('Can not use '.DB_NAME . ' : ' . mysql_error());
}
$check =$_POST['check'];
$sql = "INSERT INTO users (check) VALUES ('$check')";
echo "your informations were sent to our database click to come back";
mysql_query($sql);
mysql_close();
?>
view.php :
<?php
$dbname = "users";
$username = "root";
$password = "";
$servername = "localhost";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT * FROM users";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
echo "checkbox : ". $row["check"];
}
} else {
echo "<a class='btsc'>no one registrated if you want register complete the form</a>";
}
$conn->close();
?>
数据库:
最佳答案
如前所述,复选框值在未选中时不会被设置。
这是我使用过的一些解决方法:
<input type="hidden" name="check" value="false" />
<input type="checkbox" name="check" id="check" value="true" />
现在,如果复选框被选中,那么具有相同名称的隐藏元素将被覆盖。
关于php - 如何将复选框值保存到数据库中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30577664/