public function uplExcel(Request $request){if (!empty($_FILES['excel']['name'])) {$fileName = $_FILES['excel']['name'];    //得到文件全名$dotArray = explode('.', $fileName);    //把文件名安.区分，拆分成数组$type = end($dotArray);if ($type != "xls" && $type != "xlsx") {$ret['res'] = "0";$ret['msg'] = "不是Excel文件，请重新上传!";return json_encode($ret);}//取数组最后一个元素，得到文件类型$uploaddir = "../uploads2/" . date("Y-m-d") . '/';//设置文件保存目录 注意包含if (!file_exists($uploaddir)) {mkdir($uploaddir, 0777, true);}$path = $uploaddir . md5(uniqid(rand())) . '.' . $type; //产生随机文件名//$path = "images/".$fileName; //客户端上传的文件名；//下面必须是tmp_name 因为是从临时文件夹中移动move_uploaded_file($_FILES['excel']['tmp_name'], $path); //从服务器临时文件拷贝到相应的文件夹下$file_path = $path;if (!file_exists($path)) {$ret['res'] = "0";$ret['msg'] = "上传文件丢失!" . $_FILES['excel']['error'];return json_encode($ret);}//文件的扩展名$ext = strtolower(pathinfo($path, PATHINFO_EXTENSION));if ($ext == 'xlsx') {$objReader = \PHPExcel_IOFactory::createReader('Excel2007');$objPHPExcel = $objReader->load($file_path, 'utf-8');} elseif ($ext == 'xls') {$objReader = \PHPExcel_IOFactory::createReader('Excel5');$objPHPExcel = $objReader->load($file_path, 'utf-8');}$sheet = $objPHPExcel->getSheet(0);$highestRow = $sheet->getHighestRow(); // 取得总行数$highestColumn = $sheet->getHighestColumn(); // 取得总列数$ar = array();$i = 0;$importRows = 0;for ($j = 2; $j <= $highestRow; $j++) {$importRows++;$realName = (string)$objPHPExcel->getActiveSheet()->getCell("A$j")->getValue();//需要导入的realName$phone = (string)$objPHPExcel->getActiveSheet()->getCell("B$j")->getValue();   //需要导入的phone$company = (string)$objPHPExcel->getActiveSheet()->getCell("C$j")->getValue(); //需要导入的company$job = (string)$objPHPExcel->getActiveSheet()->getCell("D$j")->getValue();     //需要导入的job$email = (string)$objPHPExcel->getActiveSheet()->getCell("E$j")->getValue();   //需要导入的email$ret['mdata'] = $this->addMemb($phone, $realName, $company, $job, $email);//这里就是我的数据库添加操作定义的一个方法啦,对应替换为自己的if ($ret['mdata'] && !is_Bool($ret['mdata'])) {$ar[$i] = $ret['mdata'];$i++;}}if ($i > 0) {$ret['res'] = "0";$ret['errNum'] = $i;$ret['allNum'] = $importRows;$ret['sucNum'] = $importRows - $i;$ret['mdata'] = $ar;$ret['msg'] = "导入完毕!";return json_encode($ret);}$ret['res'] = "1";$ret['allNum'] = $importRows;$ret['errNum'] = 0;$ret['sucNum'] = $importRows;$ret['mdata'] = "导入成功!";return json_encode($ret);} else {$ret['res'] = "0";$ret['msg'] = "上传文件失败!";return json_encode($ret);}}　　

public function save(){if(request() -> isPost()){vendor("PHPExcel.PHPExcel"); $objPHPExcel =new \PHPExcel();//var_dump($objPHPExcel);die;//获取表单上传文件$file = request()->file('excel');//print_r($file);die;$info = $file->validate(['ext' => 'xlsx'])->move(ROOT_PATH . 'public/file');  //上传验证后缀名,以及上传之后移动的地址  if($info){$exclePath = $info->getSaveName();  //获取文件名$file_name = ROOT_PATH . 'public/file/' . DS . $exclePath;//上传文件的地址$objReader =\PHPExcel_IOFactory::createReader("Excel2007");$obj_PHPExcel =$objReader->load($file_name, $encode = 'utf-8');  //加载文件内容,编码utf-8$excel_array=$obj_PHPExcel->getSheet(0)->toArray();   //转换为数组格式//print_r($excel_array);die;array_shift($excel_array);  //删除第一个数组(标题);$city = [];$i=0;foreach($excel_array as $k=>$v) {$click_time  = strtotime($v[2]);//点击时间转为时间戳$active_time = strtotime($v[2]);//激活时间转为时间戳$city[$k]['adid']      = $v[0];$city[$k]['idfa']      = $v[1];$city[$k]['udid']      = $v[4];$city[$k]['model']     = $v[5];$city[$k]['os']        = $v[6];$city[$k]['ip']        = $v[7];$city[$k]['add_time']  = $click_time;$city[$k]['act_time']  = $active_time;$i++;}// print_r($city);die;Db::name("check_udid")->insertAll($city);}else{echo $file->getError();}}}　

use jianyan\excel\Excel;

            $file = request()->file('file');ini_set('memory_limit','1024M');$data =  Excel::import($file);