问使用php将csv文件导入mysql数据库

EN

if(isset($_POST['submit'])) {
 if(isset($_FILES['uploadFile']['name']) && $_FILES['uploadFile']['name'] != "") {
    $allowedExtensions = array("xls","xlsx","csv");
    $ext = pathinfo($_FILES['uploadFile']['name'], PATHINFO_EXTENSION);
    if(in_array($ext, $allowedExtensions)) {
       $file_size = $_FILES['uploadFile']['size'] / 1024;
       if($file_size < 50) {
           $file = "../excelfile/".$_FILES['uploadFile']['name'];
           $isUploaded = copy($_FILES['uploadFile']['tmp_name'], $file);
           if($isUploaded) {

                include("../Classes/PHPExcel/IOFactory.php");
                try {
                    //Load the excel(.xls/.xlsx/.csv) file
                    $objPHPExcel = PHPExcel_IOFactory::load($file);
                } catch (Exception $e) {
                     die('Error loading file "' . pathinfo($file, PATHINFO_BASENAME). '": ' . $e->getMessage());
                }

                //An excel file may contains many sheets, so you have to specify which one you need to read or work with.
                $sheet = $objPHPExcel->getSheet(0);
                //It returns the highest number of rows
                $total_rows = $sheet->getHighestRow();
                //It returns the highest number of columns
                $total_columns = $sheet->getHighestColumn();
                $sheet_data = $objPHPExcel->getActiveSheet()->toArray(null,true,true,true);

$query = "insert into address_table (Add1, Add2, Add3)
    values(
    '".$_POST['address1']."',
    '".$_POST['address2']."',
    '".$_POST['address3']."')