PHP を使用して Excel で画像を読み取る方法 (コード付き)

composer require phpoffice/phpspreadsheet=1.8.2

use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\IOFactory;

$imageFilePath = './uploads/imgs/'; //图片本地存储的路径
if (!file_exists($imageFilePath)) { //如果目录不存在则递归创建
    mkdir($imageFilePath, 0777, true);
}

try {
    $inputFileName = './files/1.xlsx';  //包含图片的Excel文件
    $objRead = IOFactory::createReader('Xlsx');
    $objSpreadsheet = $objRead->load($inputFileName);
    $objWorksheet = $objSpreadsheet->getSheet(0);
    $data = $objWorksheet->toArray();

    foreach ($objWorksheet->getDrawingCollection() as $drawing) {
        list($startColumn, $startRow) = Coordinate::coordinateFromString($drawing->getCoordinates());
        $imageFileName = $drawing->getCoordinates() . mt_rand(1000, 9999);

        switch ($drawing->getExtension()) {
            case 'jpg':
            case 'jpeg':
                $imageFileName .= '.jpg';
                $source = imagecreatefromjpeg($drawing->getPath());
                imagejpeg($source, $imageFilePath . $imageFileName);
                break;
            case 'gif':
                $imageFileName .= '.gif';
                $source = imagecreatefromgif($drawing->getPath());
                imagegif($source, $imageFilePath . $imageFileName);
                break;
            case 'png':
                $imageFileName .= '.png';
                $source = imagecreatefrompng($drawing->getPath());
                imagepng($source, $imageFilePath, $imageFileName);
                break;
        }
        $startColumn = ABC2decimal($startColumn);
        $data[$startRow-1][$startColumn] = $imageFilePath . $imageFileName;
    }
    dump($data);die();
} catch (\Exception $e) {
    throw $e;
}

public function ABC2decimal($abc)
{
    $ten = 0;
    $len = strlen($abc);
    for($i=1;$i<=$len;$i++){
        $char = substr($abc,0-$i,1);//反向获取单个字符

        $int = ord($char);
        $ten += ($int-65)*pow(26,$i-1);
    }
    return $ten;
}

use PHPExcel_IOFactory;
use PHPExcel_Cell;

try {
    $inputFileName = './files/1.xlsx';
    $inputFileType = PHPExcel_IOFactory::identify($inputFileName);
    $objReader = PHPExcel_IOFactory::createReader($inputFileType);
    $objPHPExcel = $objReader->load($inputFileName);
} catch (\Exception $e) {
    die('加载文件发生错误："'.pathinfo($inputFileName,PATHINFO_BASENAME).'": '.$e->getMessage());
}

$sheet = $objPHPExcel->getSheet(0);
$data = $sheet->toArray(); //该方法读取不到图片，图片需单独处理
$imageFilePath = './uploads/imgs/'; //图片本地存储的路径
if (!file_exists($imageFilePath)) {
    mkdir($imageFilePath, 0777, true);
}

//处理图片
foreach ($sheet->getDrawingCollection() as $img) {
    list($startColumn, $startRow) = PHPExcel_Cell::coordinateFromString($img->getCoordinates()); //获取图片所在行和列
    $imageFileName = $img->getCoordinates() . mt_rand(1000, 9999);
    switch($img->getExtension()) {
        case 'jpg':
        case 'jpeg':
            $imageFileName .= '.jpeg';
            $source = imagecreatefromjpeg($img->getPath());
            imagejpeg($source, $imageFilePath.$imageFileName);
            break;
        case 'gif':
            $imageFileName .= '.gif';
            $source = imagecreatefromgif($img->getPath());
            imagejpeg($source, $imageFilePath.$imageFileName);
            break;
        case 'png':
            $imageFileName .= '.png';
            $source = imagecreatefrompng($img->getPath());
            imagejpeg($source, $imageFilePath.$imageFileName);
            break;
    }
    $startColumn = ABC2decimal($startColumn);
    $data[$startRow-1][$startColumn] = $imageFilePath . $imageFileName;

}
var_dump($data);

public function ABC2decimal($abc)
{
    $ten = 0;
    $len = strlen($abc);
    for($i=1;$i<=$len;$i++){
        $char = substr($abc,0-$i,1);//反向获取单个字符

        $int = ord($char);
        $ten += ($int-65)*pow(26,$i-1);
    }
    return $ten;
}