mr_web_api/app/admin/controller/News/News.php

<?php

namespace app\admin\controller\News;

use app\BaseController;
use app\common\model\News\News as ModelNews;
use app\Request;
use think\Validate;
use think\exception\ValidateException;
use think\facade\Filesystem;
use app\common\arw\adjfut\src\Excel;
use app\common\arw\adjfut\src\UploadFile;
use app\common\exception\Tool;
use think\facade\Db;
use think\facade\Env;


class News extends BaseController
{
    /**
     * 获取新闻列表
     */
    public function getNewsList(Request $request, $isExport = false): array
    {
        $params = $request->param();
        $con = [];

        $con = Tool::getOptionalQuery(['news_type', '='], ['news_title', 'LIKE'],);

        $query = ModelNews::where($con)
            ->field([
                'news_id',
                'news_guid',
                'news_type',
                'news_cover',
                'news_title',
                'news_intro',
                'news_source',
                'news_link',
                'news_issue_date',
                'news_views_num',
                'news_sort',
                'news_content'
            ])
            ->order('news_sort', 'asc');

        return $isExport ?  $query->select()->toArray() : msg("获取新闻列表成功!", $query);
    }

    /**
     * 添加新闻
     */
    public function addNews(Request $request): array
    {
        Db::startTrans();
        Tool::adminLockTableWrite('news');
        try {
            $params = $request->param();
            $this->validate($params, [
                'news_type|新闻类型' => 'require',
                'news_title|新闻标题' => 'require',
                'news_cover|新闻封面' => 'require',
                'news_sort|新闻排序' => 'require'
            ]);
            $model = ModelNews::create($params, [
                'news_type',
                'news_title',
                'news_cover',
                'news_intro',
                'news_source',
                'news_link',
                'news_issue_date',
                'news_views_num',
                'news_sort',
                'news_content',
                'news_guid',
                'news_create_user_guid',
                'news_update_user_guid'
            ]);
            Db::commit();
            Tool::unlockTable();
            return msg('添加成功!');
        } catch (\Throwable $th) {
            Db::rollback();
            Tool::unlockTable();
            throw  $th;
        }
    }

    /**
     * 编辑新闻
     */
    public function editNews(Request $request): array
    {
        Db::startTrans();
        Tool::adminLockTableWrite('news');
        try {
            $params = $request->param();
            $this->validate($params, [
                'news_type|新闻类型' => 'require',
                'news_title|新闻标题' => 'require',
                'news_cover|新闻封面' => 'require',
                'news_sort|新闻排序' => 'require'
            ]);
            $model = ModelNews::where('news_guid', $params['news_guid'])->find();
            if (!$model) throwErrorMsg("该新闻不存在", 1);
            $model->allowField([
                'news_type',
                'news_title',
                'news_cover',
                'news_intro',
                'news_source',
                'news_link',
                'news_issue_date',
                'news_views_num',
                'news_sort',
                'news_content',
                'news_update_user_guid'
            ])->save($params);
            Db::commit();
            Tool::unlockTable();
            return msg('编辑成功!');
        } catch (\Throwable $th) {
            Db::rollback();
            Tool::unlockTable();
            throw  $th;
        }
    }

    /**
     * 删除新闻
     */
    public function deleteNews(Request $request): array
    {
        Db::startTrans();
        Tool::adminLockTableWrite('news');
        try {
            $params = $request->param();
            $this->validate($params, [
                'news_guid' => 'require',
            ]);
            $news = ModelNews::where([
                'news_guid' => explode(',', $params['news_guid'])
            ])->select();
            $news->delete();
            Db::commit();
            Tool::unlockTable();
            return msg('删除成功!');
        } catch (\Throwable $th) {
            Db::rollback();
            Tool::unlockTable();
            throw  $th;
        }
    }

    /**
     * 导出Excel
     */
    public function exportExcel(Request $request): void
    {
        ModelNews::exportExcel(self::getNewsList($request, true));
    }

    /**
     * 下载导入模板
     */
    public function downloadTemplate(Request $request): void
    {
        $params = $request->param();
        $data = [
            array_values(ModelNews::EXCELFIELD),
            [
                '公司新闻',
                '想学嵌入式Linux？领免费的瑞萨RZ/G2L开发板！',
                'https://www.myir-tech.com/attached/image/20230609/1-1.jpg',
                '学习嵌入式系统开发是一个渐进的过程，一般我们从51单片机开始，逐步迁移到STM32微控制器，然后学习使用FreeRTOS操作系统，最终进入嵌入式Linux领域。以下是一个典型的学习路线：51单片机：作为嵌入式系统的入门级平台，学习51单片机可以帮助我们了解基本的嵌入式开发概念和编程技巧。可以学习使用C语言编写简单的驱动程序、控制IO口和外设等。 ',
                '米尔科技',
                '',
                '2023.6.9',
                '0',
                '1',
                '<p style="text-align: start;"><strong>需要报名RZ/G2L免费开发板请扫码</strong></p><p style="text-align: center;"><img src="https://www.myir-tech.com/attached/image/20230609/22.png" alt="" data-href="" style=""></p>',
            ]
        ];
        $excel = (new Excel())->exporTsheet($data);
        $excel->save('新闻导入模板.xlsx');
    }

    /**
     * 导入excel
     */
    public function importExcel(Request $request): array
    {
        $file = new UploadFile('uploads', 'fileExt:xlsx');
        $file->putFile('news');
        $msg = ModelNews::importExcel($file);
        return [
            'code' => 0,
            'msg' => $msg
        ];
    }
}