fastadmin 导出

1：先上效果图

2：实现步骤

①在对应的js（路径：/public/assets/js/backend/xxx.js）里添加下图代码

下面是图中的代码：

$(document).on("click", ".btn-export", function () {
                var ids = Table.api.selectedids(table);
                var page = table.bootstrapTable('getData');
                var all = table.bootstrapTable('getOptions').totalRows;
                console.log(ids, page, all);
                Layer.confirm("请选择导出的选项
", {
                    title: '导出数据',
                    btn: ["选中项(" + ids.length + "条)", "本页(" + page.length + "条)", "全部(" + all + "条)"],
                    success: function (layero, index) {
                        $(".layui-layer-btn a", layero).addClass("layui-layer-btn0");
                    }
                    , yes: function (index, layero) {
                        submitForm(ids.join(","), layero);
                        return false;
                    }
                    ,
                    btn2: function (index, layero) {
                        var ids = [];
                        $.each(page, function (i, j) {
                            ids.push(j.id);
                        });
                        submitForm(ids.join(","), layero);
                        return false;
                    }
                    ,
                    btn3: function (index, layero) {
                        submitForm("all", layero);
                        return false;
                    }
                })
            });
var submitForm = function (ids, layero) {
                var options = table.bootstrapTable('getOptions');
                console.log(options);
                var columns = [];
                $.each(options.columns[0], function (i, j) {
                    if (j.field && !j.checkbox && j.visible && j.field != 'operate') {
                        columns.push(j.field);
                    }
                });
                var search = options.queryParams({});
                $("input[name=search]", layero).val(options.searchText);
                $("input[name=ids]", layero).val(ids);
                $("input[name=filter]", layero).val(search.filter);
                $("input[name=op]", layero).val(search.op);
                $("input[name=columns]", layero).val(columns.join(','));
                $("form", layero).submit();
            };

②对应的前段页面导出按钮代码

 {:__('Export')}

③对应的后台添加导出方法

 
public function export()
{
    if ($this->request->isPost()) {
        set_time_limit(0);
        $search = $this->request->post('search');
        $ids = $this->request->post('ids');
        $filter = $this->request->post('filter');
        $op = $this->request->post('op');
        $columns = $this->request->post('columns');
        $excel = new \PHPExcel();
        $excel->getProperties()
            ->setCreator("FastAdmin")
            ->setLastModifiedBy("FastAdmin")
            ->setTitle("标题")
            ->setSubject("Subject");
        $excel->getDefaultStyle()->getFont()->setName('Microsoft Yahei');
        $excel->getDefaultStyle()->getFont()->setSize(12);
        
        $this->sharedStyle = new \PHPExcel_Style();
        $this->sharedStyle->applyFromArray(
            array(
                'fill'      => array(
                    'type'  => \PHPExcel_Style_Fill::FILL_SOLID,
                    'color' => array('rgb' => '000000')
                ),
                'font'      => array(
                    'color' => array('rgb' => "000000"),
                ),
                'alignment' => array(
                    'vertical'   => \PHPExcel_Style_Alignment::VERTICAL_CENTER,
                    'horizontal' => \PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
                    'indent'     => 1
                ),
                'borders'   => array(
                    'allborders' => array('style' => \PHPExcel_Style_Border::BORDER_THIN),
                )
            ));
            
        $worksheet = $excel->setActiveSheetIndex(0);
        $worksheet->setTitle('标题');
        $whereIds = $ids == 'all' ? '1=1' : ['id' => ['in', explode(',', $ids)]];
        $this->request->get(['search' => $search, 'ids' => $ids, 'filter' => $filter, 'op' => $op]);
        list($where, $sort, $order, $offset, $limit) = $this->buildparams();
        
        //$columns 是得到的字段，可以在这里写上自己的逻辑，比如删除或添加其他要写的字段
        
        $line = 1;
        $list = [];
        $this->model
            ->field($columns)
            ->where($where)
            ->where($whereIds)
            ->chunk(100, function ($items) use (&$list, &$line, &$worksheet) {
                global $userName;
                global $QuyuName;
                $styleArray = array(
                    'font' => array(
                        'bold'  => true,
                        'color' => array('rgb' => 'FF0000'),
                        'size'  => 15,
                        'name'  => 'Verdana'
                    ));
                $list = $items = collection($items)->toArray();
                foreach ($items as $index => $item) {
                    $line++;
                    $col = 0;
                    foreach ($item as $field => $value) {
                        //这样写能防止手机号被excel表格手机号数据自动科学计数，其他同理
                        if($field == "mobile"){
                            $value = " ".$value;
                        }
                        $worksheet->setCellValueByColumnAndRow($col, $line, $value);
                        $worksheet->getColumnDimension('B')->setAutoSize(true);//这样写代表B列自动列宽     
                        $worksheet->getStyleByColumnAndRow($col, $line)->getNumberFormat()->setFormatCode(\PHPExcel_Style_NumberFormat::FORMAT_TEXT);
                        $worksheet->getCellByColumnAndRow($col, $line)->getStyle()->applyFromArray($styleArray);
                        $col++;
                    }
                }
            });
        $first = array_keys($list[0]);
        foreach ($first as $index => $item) {
            $worksheet->setCellValueByColumnAndRow($index, 1, __($item));
        }
        $excel->createSheet();
        // Redirect output to a client’s web browser (Excel2007)
        $title = date("YmdHis");
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
        header('Cache-Control: max-age=0');
        // If you're serving to IE 9, then the following may be needed
        header('Cache-Control: max-age=1');
 
        // If you're serving to IE over SSL, then the following may be needed
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0
        $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
        $objWriter->save('php://output');exit;
        return;
    }
}