<?php

// 示例代码：连接到MySQL数据库

$servername = "localhost";

$username = "root";

$password = "password";

$dbname = "student_management_system";

// 创建连接

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

// 检测连接

if ($conn->connect_error) {

die("连接失败: " . $conn->connect_error);

}

// 示例查询：获取学生信息

$sql = "SELECT id, name, major FROM students";

$result = $conn->query($sql);

if ($result->num_rows > 0) {

// 输出数据

while($row = $result->fetch_assoc()) {

echo "id: " . $row["id"]. " - Name: " . $row["name"]. " - Major: " . $row["major"]. "<br>";

}

} else {

echo "0 结果";

}

$conn->close();

?>