<?php

namespace Repository;
//use PHPExcel_IOFactory;
use PHPExcel;
/**
 * 数据导出表格
 * Class LogRepositories
 * @package repositories
 */
class ExcelRepository
{

    /**
     * 导出Excel
     * @param $expTitle 导出文件标题
     * @param $expCellName  标题栏数据
     * @param $expTableData 表格数据
     * @param $savePath 保存路径
     */
    public static function exportExcel($expTitle, $expCellName, $expTableData, $savePath)
    {
        //include_once EXTEND_PATH.'PHPExcel/PHPExcel.php';//方法二
//        $xlsTitle = iconv('utf-8', 'gb2312', $expTitle);//文件名称
        $fileName = $expTitle.'.xls';  //or $xlsTitle 文件名称可根据自己情况设定
        $cellNum = count($expCellName);
        $dataNum = count($expTableData);
        $objPHPExcel = new PHPExcel();//方法一
        //$objPHPExcel = new \PHPExcel();//方法二
        $cellName = array('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','AA','AB','AC','AD','AE','AF','AG','AH','AI','AJ','AK','AL','AM','AN','AO','AP','AQ','AR','AS','AT','AU','AV','AW','AX','AY','AZ');
        $objPHPExcel->getActiveSheet(0)->mergeCells('A1:'.$cellName[$cellNum-1].'1');//合并单元格
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', $expTitle.'  Export time:'.date('Y-m-d H:i:s'));
        for($i=0;$i<$cellNum;$i++){
            $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i].'2', $expCellName[$i][1]);
        }
        // Miscellaneous glyphs, UTF-8
        for($i=0;$i<$dataNum;$i++){
            for($j=0;$j<$cellNum;$j++){
                $objPHPExcel->getActiveSheet(0)->setCellValue($cellName[$j].($i+3), $expTableData[$i][$expCellName[$j][0]]);
            }
        }
//        ob_end_clean();//这一步非常关键，用来清除缓冲区防止导出的excel乱码
//        header('pragma:public');
//        header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$xlsTitle.'.xls"');
//        header("Content-Disposition:attachment;filename=$fileName.xls");//"xls"参考下一条备注
        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');//"Excel2007"生成2007版本的xlsx，"Excel5"生成2003版本的xls
        $objWriter->save($savePath.$fileName);
    }

}