bjhedasx/app/fire/controller/admin/Knowledge.php

<?php

namespace app\fire\controller\admin;


use app\fire\model\FireKnowledge;
use app\fire\model\FireKnowledgeCategory;
use excel\Excel;
use think\facade\Db;
use think\facade\View;

class Knowledge extends Base
{
    /**
     * 知识分类
     */
    public function category()
    {
        $where = [
            'uid' => UID,
        ];
        $category_model = new FireKnowledgeCategory();
        $dataList = $category_model->getAllData($where, '*', 'sort desc');
        View::assign('dataList', $dataList);

        return View::fetch();
    }

    /**
     * 添加分类
     */
    public function categoryAdd()
    {
        $category_model = new FireKnowledgeCategory();
        if (request()->isPost()) {
            $data = input('post.');
            $data['uid'] = UID;
            $res = $category_model->dataUpdate($data);
            if (!$res) {
                return sendErrorMessage();
            }
            return sendSuccessMessage();
        } else {
            $id = input('param.id', 0);
            $data = $category_model->getOneData(['id' => $id]);
            View::assign('data', $data);
            return View::fetch('categoryadd');
        }
    }

    /**
     * 修改分类
     */
    public function categoryUpdate()
    {
        return $this->categoryadd();
    }

    /**
     * 知识列表
     * @return string
     */
    public function knowledge()
    {
        $search = input('get.');
        autoSearch(['time', 'keyword', 'category_id', 'is_recommend'], $search);

        $knowledge_model = new FireKnowledge();
        $category_model = new FireKnowledgeCategory();

        $where = [['uid','=',UID]];
        if ($search['time']) {
            $time = explode('-', $search['time']);
            $where[] = ['create_time','between time', [$time[0], $time[1]]];
        }

        if ($search['keyword']) {
            $where[] = ['title  ','like', '%' . $search['keyword'] . '%'];
        }

        if ($search['is_recommend'] !== '') {
            $where []= ['is_recommend','=',$search['is_recommend']];
        }

        if ($search['category_id'] != '') {
            $where[] = ['category_id','=',$search['category_id']];
        }
        session('where',$where);

        $dataList = $knowledge_model->with(['knowledgeCategory'])->where($where)->order('id desc')
            ->paginate([
                'list_rows' => 15,
                'page' => array_key_exists("page", $search) ? (string)$search['page'] : "1",
                'query' => $search
            ], false)->each(function ($item, $key) {
                return $item;
            });

        $categoryList = $category_model->getAllData(['uid' => UID], 'id,name', 'sort desc');
        $attach = [
            'total_html' => [['总数', $dataList->total()]],
        ];
        View::assign('attach', $attach);
        View::assign('search', $search);
        View::assign('dataList', $dataList);
        View::assign('categoryList', $categoryList);
        return View::fetch();
    }

    /**
     * 知识列表导出
     * @return mixed
     */
    public function knowledgeExport()
    {
        $where = session('where');

        $knowledge_model = new FireKnowledge();

        $dataList = $knowledge_model->with(['knowledgeCategory'])->where($where)->order('id desc')
            ->select()->each(function ($item, $key) {
                return $item;
            });


        foreach ($dataList as $key => $value) {

            $data[$key] = [
                $value['id'], //ID
                $value['category_name'], //分类
                $value['title'], //标题
                $value['create_time'], //创建时间
                $value['is_recommend'] == 1?"未推荐":'已推荐', //属性
            ];
        };

        $fileName = "知识列表";
        $headArr = ["ID", "分类", '标题', "创建时间", "属性"];
        $msg = '';
        $excel_class = new Excel();
        $res = $excel_class->excelExport($fileName, $headArr, $data, $msg);
        return $res;
    }

    /**
     * 添加知识
     * @return string
     */
    public function knowledgeAdd()
    {
        $knowledge_model = new FireKnowledge();
        $category_model = new FireKnowledgeCategory();

        if (request()->isPost()) {
            $data = input('post.');

            $data['is_recommend'] = array_key_exists('is_recommend', $data) ? $data['is_recommend'] : 1;
            $data['uid'] = UID;

            Db::startTrans();
            $news_id = $knowledge_model->dataUpdate($data);
            if (!$news_id) {
                Db::rollback();
                return sendErrorMessage();
            }

            Db::commit();
            return sendSuccessMessage();
        } else {
            $id = input('param.id', 0);
            $data = $knowledge_model->getOneData(['id' => $id]);

            $where = [
                'uid' => UID
            ];
            $categoryList = $category_model->getAllData($where, 'id,name', 'sort desc');

            View::assign('categoryList', $categoryList);
            View::assign('data', $data);
            return View::fetch('knowledgeadd');
        }
    }

    public function knowledgeUpdate()
    {
        return $this->knowledgeAdd();
    }
}