<form enctype="multipart/form-data" method="post" id="form-admin-role-add"><div class="form-group col-sm-2"><input type="file" name="file_stu" /></div><div class="form-group col-sm-2"><input type="submit" value="导入" class="btn btn-w-m btn-primary btn-outline" /></div></form><div class="form-group col-sm-2"><a class="btn btn-w-m btn-primary btn-outline" href="{:url('EquipmentList/out')}">下载excel表格</a></div>

//导入Excelpublic function into(){if (!empty ($_FILES ['file_stu'] ['name'])) {$tmp_file = $_FILES ['file_stu'] ['tmp_name'];$file_types = explode(".", $_FILES ['file_stu'] ['name']);$file_type = $file_types [count($file_types) - 1];/*判别是不是.xls文件，判别是不是excel文件*/if (strtolower($file_type) != "xlsx") {$this->error('不是Excel文件，重新上传');}/*设置上传路径*//*百度有些文章写的上传路径经过编译之后斜杠不对。不对的时候用大写的DS代替，然后用连接符链接就可以拼凑路径了。*/$savePath = ROOT_PATH . 'public' . DS . 'uploads' . DS;/*以时间来命名上传的文件*/$str = date('Ymdhis');$file_name = $str . "." . $file_type;/*是否上传成功*/if (!copy($tmp_file, $savePath . $file_name)) {$this->error('上传失败');}/**对上传的Excel数据进行处理生成编程数据,这个函数会在下面第三步的ExcelToArray类中*注意：这里调用执行了第三步类里面的read函数，把Excel转化为数组并返回给$res,再进行数据库写入*/require THINK_PATH.'library/think/ExcelToArrary.php';//导入excelToArray类//引入这个类试了百度出来的好几个方法都不行。最后简单粗暴的使用了require方式。这个类想放在哪里放在哪里。只要路径对就行。$ExcelToArrary = new ExcelToArrary();//实例化$res=$ExcelToArrary->read($savePath.$file_name,"UTF-8",$file_type);//传参,判断office2007还是office2003/*对生成的数组进行数据库的写入*/foreach ($res as $k => $v) {if ($k > 1) {$data[$k]['pname'] = $v[0];$data[$k]['access'] = $v[1];$data[$k]['jointime'] = time();}}//插入的操作最好放在循环外面$result = model('ProductAccess')->insertAll($data);if($result){return ['state'=>true, 'msg'=>'导入成功'];}else{return ['state'=>false, 'msg'=>'导入失败'];}}}

<?php
namespace think;use PHPExcel_IOFactory;
use PHPExcel_Cell;
use PHPExcel;
/** * 读取Excel数据*/
class ExcelToArrary
{public function __construct() {//这些文件需要下载phpexcel，然后放在vendor文件里面。具体参考上一篇数据导出。vendor("PHPExcel.PHPExcel.PHPExcel");vendor("PHPExcel.PHPExcel.Writer.IWriter");vendor("PHPExcel.PHPExcel.Writer.Abstract");vendor("PHPExcel.PHPExcel.Writer.Excel5");vendor("PHPExcel.PHPExcel.Writer.Excel2007");vendor("PHPExcel.PHPExcel.IOFactory");}public function read($filename,$encode,$file_type){if(strtolower ( $file_type )=='xls')//判断excel表类型为2003还是2007
            {Vendor("Excel.PHPExcel.Reader.Excel5"); $objReader = PHPExcel_IOFactory::createReader('Excel5');$objReader = PHPExcel_IOFactory::createReader('Excel5');}elseif(strtolower ( $file_type )=='xlsx'){Vendor("Excel.PHPExcel.Reader.Excel2007"); $objReader = PHPExcel_IOFactory::createReader('Excel2007');}$objReader->setReadDataOnly(true);$objPHPExcel = $objReader->load($filename);$objWorksheet = $objPHPExcel->getActiveSheet();$highestRow = $objWorksheet->getHighestRow();$highestColumn = $objWorksheet->getHighestColumn();$highestColumnIndex = PHPExcel_Cell::columnIndexFromString($highestColumn);$excelData = array();for ($row = 1; $row <= $highestRow; $row++) {for ($col = 0; $col < $highestColumnIndex; $col++) {$excelData[$row][] =(string)$objWorksheet->getCellByColumnAndRow($col, $row)->getValue();}}return $excelData;}}

//导出Excelpublic function out(){//导出$path = dirname(__FILE__); //找到当前脚本所在路径vendor("PHPExcel.PHPExcel.PHPExcel");vendor("PHPExcel.PHPExcel.Writer.IWriter");vendor("PHPExcel.PHPExcel.Writer.Abstract");vendor("PHPExcel.PHPExcel.Writer.Excel5");vendor("PHPExcel.PHPExcel.Writer.Excel2007");vendor("PHPExcel.PHPExcel.IOFactory");$objPHPExcel = new \PHPExcel();$objWriter = new \PHPExcel_Writer_Excel5($objPHPExcel);$objWriter = new \PHPExcel_Writer_Excel2007($objPHPExcel);// 实例化完了之后就先把数据库里面的数据查出来$sql = model('ProductAccess')->select();// 设置表头信息$objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', '机型')->setCellValue('B1', '机型编号')->setCellValue('C1', '生产日期');/*--------------开始从数据库提取信息插入Excel表中------------------*/$i=2;  //定义一个i变量，目的是在循环输出数据是控制行数$count = count($sql);  //计算有多少条数据for ($i = 2; $i <= $count+1; $i++) {$objPHPExcel->getActiveSheet()->setCellValue('A' . $i, $sql[$i-2]['pname']);$objPHPExcel->getActiveSheet()->setCellValue('B' . $i, $sql[$i-2]['access']);$objPHPExcel->getActiveSheet()->setCellValue('C' . $i, $sql[$i-2]['jointime']);}/*--------------下面是设置其他信息------------------*/$objPHPExcel->getActiveSheet()->setTitle('productaccess');      //设置sheet的名称$objPHPExcel->setActiveSheetIndex(0);                   //设置sheet的起始位置$objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');   //通过PHPExcel_IOFactory的写函数将上面数据写出来$PHPWriter = \PHPExcel_IOFactory::createWriter( $objPHPExcel,"Excel2007");header('Content-Disposition: attachment;filename="设备列表.xlsx"');header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');$PHPWriter->save("php://output"); //表示在$path路径下面生成demo.xlsx文件
        }