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..
        //..
    }
}
?>