phpexcel 导入mysql

<?php
require_once 'vendor/autoload.php';

use PhpOffice\PhpSpreadsheet\IOFactory;

// 连接 MySQL 数据库
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

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

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

// 读取 Excel 文件
$inputFileName = 'example.xlsx';
$spreadsheet = IOFactory::load($inputFileName);
$worksheet = $spreadsheet->getActiveSheet();

// 获取 Excel 文件中的数据
$data = [];
foreach ($worksheet->getRowIterator() as $row) {
    $cellIterator = $row->getCellIterator();
    $cellIterator->setIterateOnlyExistingCells(false);
    $rowData = [];
    foreach ($cellIterator as $cell) {
        $rowData[] = $cell->getValue();
    }
    $data[] = $rowData;
}

// 将数据插入到 MySQL 数据库中
foreach ($data as $row) {
    $sql = "INSERT INTO table_name (column1, column2, column3) VALUES (?, ?, ?)";
    $stmt = $conn->prepare($sql);
    $stmt->bind_param("sss", $row[0], $row[1], $row[2]);
    $stmt->execute();
}

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

echo "数据导入成功！";
?>