PHP を使用して簡単なオンライン予約システムを作成する方法

id INT(11) PRIMARY KEY AUTO_INCREMENT
name VARCHAR(50)
email VARCHAR(50)
phone VARCHAR(20)
date DATE
time TIME

<form method="post" action="process.php">
  <input type="text" name="name" placeholder="姓名" required>
  <input type="email" name="email" placeholder="邮箱" required>
  <input type="tel" name="phone" placeholder="电话" required>
  <input type="date" name="date" required>
  <input type="time" name="time" required>
  <button type="submit">提交预约</button>
</form>

<?php
// 连接数据库
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "appointment";

$conn = new mysqli($servername, $username, $password, $dbname);

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

// 处理预约请求
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$date = $_POST['date'];
$time = $_POST['time'];

$sql = "INSERT INTO appointments (name, email, phone, date, time)
        VALUES ('$name', '$email', '$phone', '$date', '$time')";

if ($conn->query($sql) === TRUE) {
  echo "预约成功！";
} else {
  echo "预约失败：" . $conn->error;
}

$conn->close();
?>

<?php
// 连接数据库
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "appointment";

$conn = new mysqli($servername, $username, $password, $dbname);

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

// 获取预约列表
$sql = "SELECT * FROM appointments";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
  while ($row = $result->fetch_assoc()) {
    echo "姓名: " . $row['name'] . "<br>";
    echo "邮箱: " . $row['email'] . "<br>";
    echo "电话: " . $row['phone'] . "<br>";
    echo "日期: " . $row['date'] . "<br>";
    echo "时间: " . $row['time'] . "<br>";
    echo "<br>";
  }
} else {
  echo "暂无预约信息";
}

$conn->close();
?>