/**
 * 设置导出的excel数据
 * @param type $objPHPExcel
 * @param type $colModel
 * @param type $grid
 */
public function setExcelData($objPHPExcel, $colModel, $grid)
{
    $table = $this->model->_table;
    for ($i = 0, $t = 0; $i < count($colModel); $i++) {
        $label = $colModel[$i][‘label‘];
        $name = $colModel[$i][‘name‘];
        $hidden = empty($colModel[$i][‘hidden‘]) ? FALSE : $colModel[$i][‘hidden‘];
        $key = empty($colModel[$i][‘key‘]) ? FALSE : $colModel[$i][‘key‘];
        $sorttype = empty($colModel[$i][‘sorttype‘]) ? ‘string‘ : $colModel[$i][‘sorttype‘];
        $width = empty($colModel[$i][‘width‘]) ? 20 : $colModel[$i][‘width‘] / 8;
        $isEdit = empty($colModel[$i][‘editable‘]) ? FALSE : $colModel[$i][‘editable‘];
        if ($isEdit && !empty($name) && strstr($name, "go_" . $table . ".") == $name) {
            $isEdit = TRUE;
        } else {
            $isEdit = FALSE;
        }
        if ($hidden && !$key) {
            continue;
        }
        if ($key) {
            $objPHPExcel->getActiveSheet()->setCellValueByColumnAndRow($t, 1, $label)->getStyleByColumnAndRow($t, 1)->getFont()->setBold(true)->getColor()->setRGB(‘FF0000‘);
        } else if ($isEdit) {
            $objPHPExcel->getActiveSheet()->setCellValueByColumnAndRow($t, 1, $label)->getStyleByColumnAndRow($t, 1)->getFont()->setBold(true)->getColor()->setRGB(‘00FF00‘);
        } else {
            $objPHPExcel->getActiveSheet()->setCellValueByColumnAndRow($t, 1, $label)->getStyleByColumnAndRow($t, 1)->getFont()->setBold(true);
        }
        $objPHPExcel->getActiveSheet()->getRowDimension(1)->setRowHeight(20);
        $objPHPExcel->getActiveSheet()->getColumnDimensionByColumn($t)->setWidth($width);
        for ($j = 0; $j < count($grid["rows"]); $j++) {
            $item = $grid["rows"][$j];
            $value = http://www.mamicode.com/$item[$name];
            if ($sorttype === ‘image‘ && !empty($value)) {
                $url = $this->saveImage("statics/uploads/export_excel_images/", $value);
                if (!$url || !isImage($url)) {
                    $objPHPExcel->getActiveSheet()->setCellValueExplicitByColumnAndRow($t, $j + 2, $value, PHPExcel_Cell_DataType::TYPE_STRING);
                    continue;
                }
                $img = new PHPExcel_Worksheet_Drawing();
                $img->setName($name);
                $img->setDescription($name);
                $img->setPath($url);
                $img->setWidth(40); //写入图片宽度
                $img->setHeight(40); //写入图片高度                   
                $img->setOffsetX(1); //写入图片在指定格中的X坐标值
                $img->setOffsetY(1); //写入图片在指定格中的Y坐标值
                $img->setRotation(1); //设置旋转角度
                $img->getShadow()->setVisible(true);
                $img->getShadow()->setDirection(50);
                $columnLetter = PHPExcel_Cell::stringFromColumnIndex($t);
                $coordinate = $columnLetter . ($j + 2);
                $img->setCoordinates($coordinate); //设置图片所在表格位置
                $img->setWorksheet($objPHPExcel->getActiveSheet()); //把图片写到当前的表格中
            } else if ($sorttype === ‘datetime‘ && !empty($value)) {
                if (strtotime($value)) {
                    $value = http://www.mamicode.com/strtotime($value);
                }
                $value = http://www.mamicode.com/date("Y-m-d H:m:s", $value);
                $objPHPExcel->getActiveSheet()->setCellValueExplicitByColumnAndRow($t, $j + 2, $value, PHPExcel_Cell_DataType::TYPE_STRING);
            } else if ($sorttype === ‘number‘) {
                $objPHPExcel->getActiveSheet()->setCellValueExplicitByColumnAndRow($t, $j + 2, $value, PHPExcel_Cell_DataType::TYPE_NUMERIC);
            } else {
                $objPHPExcel->getActiveSheet()->setCellValueExplicitByColumnAndRow($t, $j + 2, $value, PHPExcel_Cell_DataType::TYPE_STRING);
            }
        }
        $t++;
    }
}

 //开始导出列表
$grid = array("page" => $page, "records" => $day_num, "rows" => $rowsV, "total" => $total);
 writelog2([‘msg2‘ => $this->lang->line(‘txt_base_upload‘) . ‘2‘, ‘settlement_list_export_post_grid‘ => $grid]);
 writelog([‘msg2‘ => $this->lang->line(‘txt_base_upload‘) . ‘2‘, ‘settlement_list_export_post_grid‘ => $grid]);
 $colModel = json_decode($colModel, TRUE);
 require_once APPPATH . ‘/third_party/PHPExcel.php‘;
 require_once APPPATH . ‘/third_party/PHPExcel/Writer/Excel5.php‘;
 $title = empty($title) ? "gplqdb" : $title;
 $fileName = $title . date("YmdHis");
 $objPHPExcel = new PHPExcel();
 $objPHPExcel->getProperties()->setCreator($this->lang->line(‘txt_base_web_name‘));
 $objPHPExcel->getProperties()->setLastModifiedBy("1.gaopeng.com");
 $objPHPExcel->getProperties()->setTitle("Office 2007 XLSX Document");
 $objPHPExcel->getProperties()->setSubject("Office 2007 XLSX Document");
 $objPHPExcel->getProperties()->setDescription($this->lang->line(‘txt_base_web_name‘));
 $objPHPExcel->setActiveSheetIndex(0);
 $objPHPExcel->getActiveSheet()->getDefaultRowDimension()->setRowHeight(30);
 //填充数据
 $this->setExcelData($objPHPExcel, $colModel, $grid);
 $objPHPExcel->getActiveSheet()->setTitle($title);
 $objWriter = new PHPExcel_Writer_Excel5($objPHPExcel);
 $pub_dir = FCPATH . "statics/uploads/export_excels/";
 if (!is_dir($pub_dir)) {
     @mkdir($pub_dir, 0777, TRUE);
 }
 $file_name = $pub_dir . $fileName . ".xls";
 $objWriter->save($file_name);

 $this->returnData($_SERVER[‘SERVER_NAME‘]."/statics/uploads/export_excels/".$fileName . ".xls");

设置导出的excel数据