So implementieren Sie PHP zur Implementierung der Werbeverwaltungsfunktion eines CMS-Systems

CREATE TABLE `advertisements` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `img_url` varchar(255) NOT NULL,
  `link_url` varchar(255) NOT NULL,
  `start_time` datetime NOT NULL,
  `end_time` datetime NOT NULL,
  `status` tinyint(1) NOT NULL DEFAULT '0',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

<?php
  if($_POST) {
    $title = $_POST['title'];
    $img_url = $_POST['img_url'];
    $link_url = $_POST['link_url'];
    $start_time = $_POST['start_time'];
    $end_time = $_POST['end_time'];
    $status = $_POST['status'];

    // TODO: 插入广告信息到数据库中
    // $insertQuery = "INSERT INTO `advertisements` (title, img_url, link_url, start_time, end_time, status) VALUES ('$title', '$img_url', '$link_url', '$start_time', '$end_time', '$status')";
    // $insertResult = mysqli_query($connection, $insertQuery);
    
    if($insertResult) {
      echo '广告添加成功！';
    } else {
      echo '广告添加失败，请重试！';
    }
  }
?>

<form method="post" action="">
  <label for="title">标题：</label>
  <input type="text" name="title" /><br>
  <label for="img_url">图片链接：</label>
  <input type="text" name="img_url" /><br>
  <label for="link_url">跳转链接：</label>
  <input type="text" name="link_url" /><br>
  <label for="start_time">开始时间：</label>
  <input type="text" name="start_time" /><br>
  <label for="end_time">结束时间：</label>
  <input type="text" name="end_time" /><br>
  <label for="status">状态：</label>
  <input type="text" name="status" /><br>
  <input type="submit" value="添加" />
</form>

<?php
  // TODO: 查询数据库中的广告列表
  // $query = "SELECT * FROM `advertisements`";
  // $result = mysqli_query($connection, $query);

  while($row = mysqli_fetch_assoc($result)) {
    echo '<div>';
    echo '<h4>'.$row['title'].'</h4>';
    echo '<img src="'.$row['img_url'].'" />';
    echo '<a href="'.$row['link_url'].'">点击跳转</a>';
    echo '<p>开始时间：'.$row['start_time'].'</p>';
    echo '<p>结束时间：'.$row['end_time'].'</p>';
    echo '<p>状态：'.$row['status'].'</p>';
    echo '<a href="edit.php?id='.$row['id'].'">编辑</a> ';
    echo '<a href="delete.php?id='.$row['id'].'">删除</a>';
    echo '</div>';
  }
?>

<?php
  // TODO: 获取指定ID的广告信息
  // $id = $_GET['id'];
  // $query = "SELECT * FROM `advertisements` WHERE id = $id";
  // $result = mysqli_query($connection, $query);
  // $ad = mysqli_fetch_assoc($result);

  if($_POST) {
    $title = $_POST['title'];
    $img_url = $_POST['img_url'];
    $link_url = $_POST['link_url'];
    $start_time = $_POST['start_time'];
    $end_time = $_POST['end_time'];
    $status = $_POST['status'];

    // TODO: 更新广告信息
    // $updateQuery = "UPDATE `advertisements` SET title = '$title', img_url = '$img_url', link_url = '$link_url', start_time = '$start_time', end_time = '$end_time', status = '$status' WHERE id = $id";
    // $updateResult = mysqli_query($connection, $updateQuery);
    
    if($updateResult) {
      echo '广告编辑成功！';
    } else {
      echo '广告编辑失败，请重试！';
    }
  }
?>

<form method="post" action="">
  <label for="title">标题：</label>
  <input type="text" name="title" value="<?php echo $ad['title']; ?>" /><br>
  <label for="img_url">图片链接：</label>
  <input type="text" name="img_url" value="<?php echo $ad['img_url']; ?>" /><br>
  <label for="link_url">跳转链接：</label>
  <input type="text" name="link_url" value="<?php echo $ad['link_url']; ?>" /><br>
  <label for="start_time">开始时间：</label>
  <input type="text" name="start_time" value="<?php echo $ad['start_time']; ?>" /><br>
  <label for="end_time">结束时间：</label>
  <input type="text" name="end_time" value="<?php echo $ad['end_time']; ?>" /><br>
  <label for="status">状态：</label>
  <input type="text" name="status" value="<?php echo $ad['status']; ?>" /><br>
  <input type="submit" value="保存" />
</form>