xhg/app/admin/model/many/ManyDiscipline.php

<?php
/**
 * @author: xaboy<365615158@qq.com>
 * @day: 2017/11/11
 */

namespace app\admin\model\many;

use crmeb\services\PHPExcelService;
use crmeb\traits\ModelTrait;
use crmeb\basic\BaseModel;

/**
 * Class StoreCategory
 * @package app\admin\model\store
 */
class ManyDiscipline extends BaseModel
{

    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

    /**
     * 模型名称
     * @var string
     */
    protected $name = 'many_discipline';

    use ModelTrait;
    protected $autoWriteTimestamp = true;



    public static function list($where)
    {
        $model = self::alias('a')
        ->field('a.*,b.name')
        ->leftJoin('many b', 'b.id = a.many_id');

        if ($where['stage'])$model->where('a.stage' , '=', $where['stage']);
        if (trim($where['many_id']) != '')$model->where('b.id' , '=', $where['many_id']);
        if (trim($where['data']) != '') $model = self::getModelTime($where, $model,  'a.create_time');
        $data['count'] = $model->count();

        if (isset($where['excel']) && $where['excel'] == 1) {
            $list = ($list = $model->select()) && count($list) ? $list->toArray() : [];
        } else {
            $list = ($list = $model->page((int)$where['page'], (int)$where['limit'])->select()) && count($list) ? $list->toArray() : [];
        }
        if (isset($where['excel']) && $where['excel'] == 1) {
            self::SaveExcel($list);
        }

        if ($where['page'] && $where['limit']){
            $model->page($where['page'], $where['limit']);
        }else{
            $model->page(20, 1);
        }
        $list = $model->select()->toArray();
        $data['data'] = $list;
        return $data;

    }

    /*
    * 保存并下载excel
    * $list array
    * return
    */
    public static function SaveExcel($list)
    {
        $export = [];
        foreach ($list as $index => $item) {
            $status = $item['status']== 0 ? '正常' :  $item['status']== 1 ? '成功返还':$item['status']== 2 ? '失败返还': '未知';
            $export[] = [
                $item['order_id'],
                $item['nickname'],
                $item['name'],
                $item['stage'],
                $item['price'],
                $status,
                $item['create_time'],
            ];
        }
        PHPExcelService::setExcelHeader(['订单号', '用户', '众筹名称', '期数', '金额', '状态',
            '订单时间'])
            ->setExcelTile('订单导出' . date('YmdHis', time()), '订单信息' . time(), ' 生成时间：' . date('Y-m-d H:i:s', time()))
            ->setExcelContent($export)
            ->ExcelSave();
    }




}