/**
 *
 * execl数据导出
 * 应用场景：订单导出
 * @param string $title 模型名（如Member），用于导出生成文件名的前缀
 * @param array $cellName 表头及字段名
 * @param array $data 导出的表数据
 *
 * 特殊处理：合并单元格需要先对数据进行处理
 */
function exportOrderExcel($title,$cellName,$data)
{   
    //引入核心文件
    vendor("PHPExcel.PHPExcel");
    $objPHPExcel = new \PHPExcel();
    //定义配置
    $topNumber = 2;//表头有几行占用
    $xlsTitle = iconv('utf-8', 'gb2312', $title);//文件名称
    $fileName = $title.date('_YmdHis');//文件名称
    $cellKey = 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'
    );
     
    //写在处理的前面（了解表格基本知识，已测试）
//     $objPHPExcel->getActiveSheet()->getDefaultRowDimension()->setRowHeight(20);//所有单元格（行）默认高度
//     $objPHPExcel->getActiveSheet()->getDefaultColumnDimension()->setWidth(20);//所有单元格（列）默认宽度
//     $objPHPExcel->getActiveSheet()->getRowDimension('1')->setRowHeight(30);//设置行高度
//     $objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(30);//设置列宽度
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setSize(18);//设置文字大小
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setBold(true);//设置是否加粗
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_WHITE);// 设置文字颜色
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);//设置文字居左（HORIZONTAL_LEFT，默认值）中（HORIZONTAL_CENTER）右（HORIZONTAL_RIGHT）
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);//垂直居中
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);//设置填充颜色
//     $objPHPExcel->getActiveSheet()->getStyle('A1')->getFill()->getStartColor()->setARGB('FF7F24');//设置填充颜色
     
    //处理表头标题
    $objPHPExcel->getActiveSheet()->mergeCells('A1:'.$cellKey[count($cellName)-1].'1');//合并单元格（如果要拆分单元格是需要先合并再拆分的，否则程序会报错）
    $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1','订单信息');
    $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setBold(true);
    $objPHPExcel->getActiveSheet()->getStyle('A1')->getFont()->setSize(18);
    $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
    $objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
     
    //处理表头
    foreach ($cellName as $k=>$v)
    {
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellKey[$k].$topNumber, $v[1]);//设置表头数据
        $objPHPExcel->getActiveSheet()->freezePane($cellKey[$k].($topNumber+1));//冻结窗口
        $objPHPExcel->getActiveSheet()->getStyle($cellKey[$k].$topNumber)->getFont()->setBold(true);//设置是否加粗
        $objPHPExcel->getActiveSheet()->getStyle($cellKey[$k].$topNumber)->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);//垂直居中
        if($v[3] > 0)//大于0表示需要设置宽度
        {
            $objPHPExcel->getActiveSheet()->getColumnDimension($cellKey[$k])->setWidth($v[3]);//设置列宽度
        }
    }
    //处理数据
    foreach ($data as $k=>$v)
    {
        foreach ($cellName as $k1=>$v1)
        {
            $objPHPExcel->getActiveSheet()->setCellValue($cellKey[$k1].($k+1+$topNumber), $v[$v1[0]]);
            if($v['end'] > 0)
            {
                if($v1[2] == 1)//这里表示合并单元格
                {
                    $objPHPExcel->getActiveSheet()->mergeCells($cellKey[$k1].$v['start'].':'.$cellKey[$k1].$v['end']);
                    $objPHPExcel->getActiveSheet()->getStyle($cellKey[$k1].$v['start'])->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
                }
            }
            if($v1[4] != "" && in_array($v1[4], array("LEFT","CENTER","RIGHT")))
            {
                $v1[4] = eval('return PHPExcel_Style_Alignment::HORIZONTAL_'.$v1[4].';');
                //这里也可以直接传常量定义的值，即left,center,right；小写的strtolower
                $objPHPExcel->getActiveSheet()->getStyle($cellKey[$k1].($k+1+$topNumber))->getAlignment()->setHorizontal($v1[4]);
            }
        }
    }
    //导出execl
    header('pragma:public');
    header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$xlsTitle.'.xls"');
    header("Content-Disposition:attachment;filename=$fileName.xls");//attachment新窗口打印inline本窗口打印
    $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
    $objWriter->save('php://output');
    exit;
}