php mysql插入多行

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

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

// 准备多行数据
$data = [
    ['name' => 'Alice', 'age' => 25],
    ['name' => 'Bob', 'age' => 30],
    ['name' => 'Charlie', 'age' => 35]
];

// 准备SQL语句
$sql = "INSERT INTO users (name, age) VALUES (?, ?)";
$stmt = $conn->prepare($sql);

// 绑定参数并执行插入操作
foreach ($data as $row) {
    $stmt->bind_param("si", $row['name'], $row['age']);
    $stmt->execute();
}

echo "新记录插入成功";

$stmt->close();
$conn->close();
?>

$conn->set_charset("utf8");

CREATE DATABASE myDB CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE TABLE users (
    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(30) NOT NULL,
    age INT(3) NOT NULL
) CHARACTER SET utf8 COLLATE utf8_general_ci;

$conn->begin_transaction();
try {
    foreach ($data as $row) {
        $stmt->bind_param("si", $row['name'], $row['age']);
        $stmt->execute();
    }
    $conn->commit();
    echo "新记录插入成功";
} catch (Exception $e) {
    $conn->rollback();
    echo "插入失败: " . $e->getMessage();
}