PHP开发实时聊天系统的用户反馈收集和处理流程

<form id="feedbackForm">
  <label for="username">用户名：</label>
  <input type="text" id="username" name="username"><br>
  
  <label for="email">邮箱：</label>
  <input type="email" id="email" name="email"><br>
  
  <label for="type">反馈类型：</label>
  <select id="type" name="type">
    <option value="bug">Bug报告</option>
    <option value="feature">功能建议</option>
    <option value="other">其他问题</option>
  </select><br>
  
  <label for="content">反馈内容：</label><br>
  <textarea id="content" name="content" rows="5" cols="30"></textarea><br>
  
  <input type="submit" value="提交反馈">
</form>

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

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
  die("数据库连接失败: " . $conn->connect_error);
}

// 获取表单数据
$username = $_POST['username'];
$email = $_POST['email'];
$type = $_POST['type'];
$content = $_POST['content'];

// 插入数据到数据库
$sql = "INSERT INTO feedback (username, email, type, content) VALUES ('$username', '$email', '$type', '$content')";
if ($conn->query($sql) === TRUE) {
  echo "反馈提交成功！";
} else {
  echo "反馈提交失败！" . $conn->error;
}

// 关闭数据库连接
$conn->close();
?>

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

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
  die("数据库连接失败: " . $conn->connect_error);
}

// 查询反馈数据
$sql = "SELECT * FROM feedback";
$result = $conn->query($sql);

// 显示反馈列表
if ($result->num_rows > 0) {
  while($row = $result->fetch_assoc()) {
    echo "用户名：" . $row['username'] . "<br>";
    echo "邮箱：" . $row['email'] . "<br>";
    echo "反馈类型：" . $row['type'] . "<br>";
    echo "反馈内容：" . $row['content'] . "<br>";
    echo "<a href='reply.php?id=" . $row['id'] . "'>回应</a><br><br>";
  }
} else {
  echo "没有反馈数据！";
}

// 关闭数据库连接
$conn->close();
?>