tp5.1 phpspreadsheet- 工具类 导入导出(整合优化,非原创,抄一抄,加了一些自己的东西,)

phpspreadsheet-工具类 导入导出(整合优化,非原创,抄一抄,加了一些自己的东西)
1. composer require phpoffice/phpspreadsheet
2. 看最下面的两个demo  (使用框架 : tp5.1 , laravel也能用,改改不就行了..)

 <?php
 namespace app\common\utils;

 use PhpOffice\PhpSpreadsheet\Spreadsheet;
 use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
 use PhpOffice\PhpSpreadsheet\IOFactory;

 /**
  * phpoffice-phpspreadsheet-工具类
  */
 class PhpOffice{

     /**
      * @title 导出表格
      * @param arr：要导出excel表的数据，接受一个二维数组
      * @param fileName：excel表的表名
      * @param headAr：excel表的表头，接受一个一维数组
      * @param keyAr：$arr中对应表头的键的数组，接受一个一维数组
      */
     public function exportExcel($fileName='表格', $arr=[], $headAr=[], $keyAr=[]){
         $count = count($headAr)-1;//计算所需表头数量

         $spreadsheet = new Spreadsheet();
         $sheet = $spreadsheet->getActiveSheet();

         //设置列
         $rowAr=self::setRowAr($count);
         foreach ($rowAr as $k => $v) {
             if($k>$count) break;
             $sheet->setCellValue($v.'1',$headAr[$k]);
         }

         //写入值
         foreach ($arr as $k => $v) {
             foreach ($rowAr as $ke => $ve){
                 if($ke>$count) break;
                 $sheet->setCellValue($ve.($k+2),$v[$keyAr[$ke]]);
                 $spreadsheet->getActiveSheet()->getColumnDimension($ve)->setWidth(10); //固定列宽
             }
         }
         //冻结首行
         $spreadsheet->getActiveSheet()->freezePaneByColumnAndRow(0,2);

         //在输出Excel前，缓冲区中处理BOM头
         ob_end_clean();
         ob_start();

         header('Content-Type: application/vnd.ms-excel');
         header('Content-Disposition: attachment;filename="'.$fileName.date('_Ymd_Hi',time()).'.xlsx"');
         header('Cache-Control: max-age=0');
         $writer = new Xlsx($spreadsheet);
         $writer->save('php://output');

         //删除清空：
         $spreadsheet->disconnectWorksheets();
         unset($spreadsheet);
         exit;
     }

     //导入
     public function importExcel(){
         set_time_limit(0);  

         //文件上传导入
         // $fileController=new FileController();
         $res=self::uploadFileImport();
         $data=$res['data'];
         //手动输入路径
         // $data='muban/muban.xlsx';

         //修正路径
         $filename=str_replace('/uploads', 'uploads',$data);
         //进行读取
         $spreadsheet = IOFactory::load($filename);
         $sheetData = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
         return $sheetData;
     }

     //文件上传,导入文件专用,数据不入库
     public function uploadFileImport(){
         // 获取表单上传文件
         $file = \request()->file('file');
         $return  = array('status' => 1, 'info' => '上传成功', 'data' => []);
         // 移动到框架应用根目录/public/uploads/ 目录下
         if($file){
             $savePath = '/uploads/importExcel';
             $info = $file->move(ROOT_PATH . 'public' . DS .$savePath);
             $md5 = $info->hash('md5');
             $sha1= $info->hash('sha1');
             $saveName=strtr($info->getSaveName(),'\\','/');
             return self::setResAr(1,'上传成功',$savePath.'/'.$saveName);
         }
         return self::setResAr(0,'上传失败');
     }

     //设置列一维数组(最多701列)
     public function setRowAr($count=26){
         $indData='A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z';
         $indData=explode(',',$indData);
         $curCount=26;
         for ($i=0; $i <26 ; $i++) {
             for ($j=0; $j <26 ; $j++) {
                 if($curCount>=$count) return $indData;
                 $indData[]=$indData[$i].$indData[$j];
                 $curCount++;
             }
         }
         return $indData;
     }

     //设置返回结果格式
     public function setResAr($code=0,$msg='',$data=array()){
         return ['code'=>$code,'msg'=>$msg,'data'=>$data];
     }

     // 如何实现..
     // //定义好命名空间
     // use app\common\utils\PhpOffice;
     // use think\Db;

     // class Demo{
     //     //导出demo-实现
     //     public function exportDemo(){
     //         //获取数据
     //         $data=Db::name('config')->select();
     //         //获取表头(自行定义)
     //         $sql="select COLUMN_NAME as name,column_comment as val from INFORMATION_SCHEMA.Columns where table_name='表名'";
     //         $arr=Db::query($sql);

     //         $headAr=[];
     //         $keyAr=[];
     //         foreach ($arr as $k => $v) {
     //             $headAr[]=$v['val'];
     //             $keyAr[]=$v['name'];
     //         }
     //         $phpOffice = new PhpOffice();
     //         $phpOffice->exportExcel('导出表格',$data,$headAr,$keyAr);
     //     }

     //     //导入demo-实现
     //     public function importDemo(){
     //         $phpOffice = new PhpOffice();
     //         $data=$phpOffice->importExcel();
     //         dump($data);
     //         //自行foreach进行数据处理..
     //         //..
     //     }
     // }
     // 

 }

 <?php
 //定义好命名空间
 use app\common\utils\PhpOffice;
 use think\Db;

 class Demo{

     //导出demo-实现
     public function exportDemo(){
         //获取数据
         $data=Db::name('config')->select();
         //获取表头(自行定义)
         $sql="select COLUMN_NAME as name,column_comment as val from INFORMATION_SCHEMA.Columns where table_name='表名'";
         $arr=Db::query($sql);

         $headAr=[];
         $keyAr=[];
         foreach ($arr as $k => $v) {
             $headAr[]=$v['val'];
             $keyAr[]=$v['name'];
         }
         $phpOffice = new PhpOffice();
         $phpOffice->exportExcel('导出表格',$data,$headAr,$keyAr);
     }

     //导入demo-实现
     public function importDemo(){
         $phpOffice = new PhpOffice();
         $data=$phpOffice->importExcel();
         dump($data);
         //自行foreach进行数据处理..
         //..
     }
 }
 ?>