How does phpexcel import excel to process big data code examples?

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Just download the package corresponding to phpExcel first.

After the download is completed, just take out the files and folders in the Classes folder.

Write directly to the PHPExcel file. The call is simple. Introduce the phpExcel class to pass the path of the corresponding excel file.

Now upload to the specified directory, and then load the uploaded excel file to read. The array will not be converted when reading here. Note: Sheets can be read multiple times, the PHP upload value must be set large, and the upload timeout must be set long.

header('Content-type: text/html; charset=utf-8'); //设置页面编码
require_once 'phpexcel.class.php'; //引入文件
require_once 'PHPExcel/IOFactory.php'; //引入文件
require_once 'PHPExcel/Reader/Excel2007.php'; //引入文件
$uploadfile = $_FILES['select_file']['tmp_name'];  //获取上传文件
$auid = $_SESSION['auid'];
$date = date('Ymd');
$rand = rand(1,9999);
$_month=str_replace('-','',$date);
$file_name = str_pad($auid, 4, 0, STR_PAD_LEFT).$date.str_pad($rand, 4, 0, STR_PAD_LEFT).'.xlsx';
$path_file = '../data/upload/file/'.$file_name; //上传文件目录指定
move_uploaded_file($uploadfile, $path_file); //文件上传

$inputFileType = PHPExcel_IOFactory::identify($path_file);
$objReader = PHPExcel_IOFactory::createReader($inputFileType);
$objReader->setReadDataOnly(true);//只需要添加这个方法实现表格数据格式转换
$objPHPExcel = $objReader->load($path_file);

$sheet_read_arr = array();
$sheet_read_arr["表1"] = array("B","C");
$sheet_read_arr["表2"] = array("B","C");
$sheet_read_arr["表3"] = array("B","C");
$list_aray=array();
foreach ($sheet_read_arr as $key => $val){
 $currentSheet = $objPHPExcel->getSheetByName($key);
 $row_num = $currentSheet->getHighestRow();
 for ($i = 6; $i <= $row_num; $i++){
  $cell_values = array();
  foreach ($val as $cell_val){
   $address = $cell_val . $i;// 单元格坐标
   $cell_values[] = $currentSheet->getCell($address)->getFormattedValue();
  }
  $list_aray[]=$cell_values;
 }
}

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