<input type="checkbox" name="status" value="yes"> Yes
<input type="checkbox" name="status" value="no"> No

$status = isset($_POST['status']) ? $_POST['status'] : 'no';

// 连接数据库
$servername = "数据库服务器地址";
$username = "数据库用户名";
$password = "数据库密码";
$dbname = "数据库名";
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接是否成功
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 获取复选框的值
$status = isset($_POST['status']) ? $_POST['status'] : 'no';

// 插入或更新数据库
$sql = "INSERT INTO 表名 (status) VALUES ('$status') ON DUPLICATE KEY UPDATE status='$status'";
if ($conn->query($sql) === TRUE) {
    echo "记录插入/更新成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

// 关闭数据库连接
$conn->close();