WordPress プラグインを使用して即時入札機能を実装する方法

add_shortcode('bid_form', 'create_bid_form');

function create_bid_form() {
   return '<div class="bid-form">
             <h2>投标表单</h2>
             <form action="' . esc_url(admin_url('admin-post.php')) . '" method="post">
                 <label for="title">投标标题：</label><br>
                 <input type="text" id="title" name="title" required><br>
                 <label for="content">投标内容：</label><br>
                 <textarea id="content" name="content" required></textarea><br>
                 <label for="contact">联系信息：</label><br>
                 <input type="text" id="contact" name="contact" required><br>
                 <input type="hidden" name="action" value="submit_bid">
                 <input type="submit" value="提交投标">
             </form>
           </div>';
}

add_action('admin_post_nopriv_submit_bid', 'process_bid');

function process_bid() {
   if (isset($_POST['title'])) {
      // 处理表单数据，如将投标信息保存到数据库
      $title = sanitize_text_field($_POST['title']);
      $content = sanitize_text_field($_POST['content']);
      $contact = sanitize_text_field($_POST['contact']);
  
      // 示例：将投标信息保存到数据库
      global $wpdb;
      $wpdb->insert('bids', array(
         'title' => $title,
         'content' => $content,
         'contact' => $contact
      ));

      // 示例：发送邮件通知
      $admin_email = get_option('admin_email');
      $subject = '新的投标已提交';
      $message = "标题：$title
内容：$content
联系信息：$contact";
      wp_mail($admin_email, $subject, $message);
      
      // 跳转到投标成功页面
      wp_redirect(home_url('/success'));
      exit;
   }
}

[bid_form]