<?php

namespace Common\Business;
//[1.6.48]


/**
 * 文件与压缩包类
 * Class Export
 * [
 * 写入表格 把表格保存在服务器 generateXLS 新版
 * 写入表格 把表格保存在服务器 setExcel    旧版添加到压缩包
 * 生成文件目录 createDir
 * 删除目录下的所有文件 delDirFile
 * 添加Excel表格到压缩包 addFileToZip
 * ]
 * @package Common\Business
 */
class Export
{
    /**
     * 写入表格 把表格保存在服务器 generateXLS 新版
     * @param $param
     * [
     * expTitle
     * expCellName
     * expTableData
     * common
     * directory_name
     * page
     * ]
     * @return array
     * @throws \PHPExcel_Reader_Exception
     * @throws \PHPExcel_Writer_Exception
     */
    public function generateXLS($param)
    {
        vendor("PHPExcel.PHPExcel");
        import("Vendor.PHPExcel.Writer.Excel5");
        import("Vendor.PHPExcel.IOFactory.php");
        $directory_name = $param['directory_name'];
        $page = $param['page'];
        $param['cellNum'] = count($param['expCellName']);
        $param['dataNum'] = count($param['expTableData']);
        if ($page > 1) {
            $objPHPExcel = \PHPExcel_IOFactory::load($directory_name);
        } else {
            $objPHPExcel = new \PHPExcel();
        }
        $this->sheetEdit($param, $objPHPExcel);
        if ($page > 1) {
            $path = "{$directory_name}";
        } else {
            $this->createDir($directory_name); //生成文件目录
            $directory_name = $directory_name . createKey() . '.xls';
            $path = "{$directory_name}";
        }
        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
        $objWriter->save($path);
        ob_clean();
        return [
            'directory_name' => $directory_name
        ];
    }


    /**
     * 设置表格
     * @param $param
     */
    public function sheetEdit($param, $objPHPExcel)
    {
        $cellNum = $param['cellNum'];
        $expCellName = $param['expCellName'];
        $dataNum = $param['dataNum'];
        $expTableData = $param['expTableData'];
        $notes = $param['common'];
        $page = $param['page'] - 1;
        $cellName = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM', 'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ');
        if ($page != '0') {
            $objPHPExcel->createSheet();
        }
        $notes_count = count($notes);
        if ($notes_count > 0) {
            for ($s = 0; $s < $notes_count; $s++) {
                $objPHPExcel->getActiveSheet($page)->mergeCells('A' . ($s + 1) . ':' . $cellName[$cellNum - 1] . ($s + 1)); //合并单元格
                $objPHPExcel->setActiveSheetIndex($page)->setCellValue('A' . ($s + 1) . '', $notes[$s]);
            }
        }
        for ($i = 0; $i < $cellNum; $i++) {
            $objPHPExcel->setActiveSheetIndex($page)->setCellValue($cellName[$i] . ($notes_count + 1), $expCellName[$i][1]);
        }
        for ($i = 0; $i < $dataNum; $i++) {
            for ($j = 0; $j < $cellNum; $j++) {
                $objPHPExcel->getActiveSheet($page)->setCellValue($cellName[$j] . ($i + $notes_count + 2), $expTableData[$i][$expCellName[$j][0]] . "\t");
            }
        }
        foreach ($cellName as $value) {
            $objPHPExcel->getActiveSheet($page)->getColumnDimension($value)->setWidth(20);
        }
    }


    /**
     * 写入表格 把表格保存在服务器
     * @param $expTitle
     * @param $expCellName
     * @param $expTableData
     * @param string $common
     * @param string $directory_name
     * @throws \PHPExcel_Exception
     * @throws \PHPExcel_Reader_Exception
     * @throws \PHPExcel_Writer_Exception
     */
    public function setExcel($expTitle, $expCellName, $expTableData, $common = "", $directory_name = "./Public")
    {
        $fileName = $expTitle; //or $xlsTitle 文件名称可根据自己情况设定
        $cellNum = count($expCellName);
        $dataNum = count($expTableData);
        vendor("PHPExcel.PHPExcel");
        ob_clean();
        $objPHPExcel = new \PHPExcel();
        $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', $common);
        for ($i = 0; $i < $cellNum; $i++) {
            $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i] . '2', $expCellName[$i][1]);
        }

        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]]);
            }
        }
        foreach ($cellName as $value) {
            $objPHPExcel->getActiveSheet()->getColumnDimension($value)->setWidth(20);
        }
        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');

        $this->createDir($directory_name); //生成文件目录
        $path = "{$directory_name}/{$fileName}.xls";
        $objWriter->save($path);
    }


    /**
     * 生成文件目录
     * @param $directory_name 目录地址
     */
    private function createDir($directory_name)
    {
        if (!is_dir($directory_name)) {
            $temp = ltrim($directory_name, './');
            $arr = explode('/', $temp);
            $str = './';
            foreach ($arr as $key => $sv) {
                if (!is_dir("{$str}/{$sv}")) {
                    mkdir("{$str}/{$sv}", 0777);
                }
                $str = "{$str}/{$sv}";
            }
        }
    }

    /**
     * 删除目录下的所有文件
     * @param $dir  目录地址
     */
    public function delDirFile($dir)
    {
        $dh = opendir($dir);
        while ($file = readdir($dh)) {
            if ($file != "." && $file != "..") {
                $full_path = $dir . "/" . $file;
                if (!is_dir($full_path)) {
                    unlink($full_path);
                } else {
                    $this->delDirFile($full_path);
                }
            }
        }

        closedir($dh);
    }

    /**
     * 添加Excel表格到压缩包
     * @param $path
     * @param $zip
     * @param string $name
     */
    public function addFileToZip($path, $zip, $name = '商品档案导出')
    {
        $handler = opendir($path); //打开当前文件夹由$path指定。
        while (($filename = readdir($handler)) !== false) {
            if ($filename != "." && $filename != "..") { //文件夹文件名字为'.'和‘..'，不要对他们进行操作
                if (is_dir($path . "/" . $filename)) { // 如果读取的某个对象是文件夹，则递归
                    $this->addFileToZip($path . "/" . $filename, $zip);
                } else { //将文件加入zip对象
                    $sName = $name . "-第" . explode('.', $filename)[1] . "页.xls";
                    $dir = iconv("utf-8", "gb2312", $sName);
                    $zip->addFile($path . "/" . $filename, $dir);
                }
            }
        }
        @closedir($handler);
    }
}