ship-expert/app/admin/controller/BestKnowledgeAd.php

<?php

namespace app\admin\controller;

use app\data\model\DataXwCategory;
use app\data\model\DataBestKnowledgeAd;
use think\admin\Controller;
/**
 * 新闻报道
 * Class BestKnowledgeAd
 * @package app\admin\controller\BestKnowledgeAd
 */
class BestKnowledgeAd extends Controller
{
    /**
     * 新闻广告列表
     * @auth true
     * @menu true
     */
    public function ad_index(){
        $this->title='广告列表';
        DataBestKnowledgeAd::mQuery()->layTable();
    }
    /**
     * 新闻广告添加
     * @auth true
     * @menu true
     */
    public function ad_add(){
        $this->ad_vali();
        $this->assign('category',DataXwCategory::show()->select());
        DataBestKnowledgeAd::mForm('ad_form');
    }
    /**
     * 新闻广告编辑
     * @auth true
     * @menu true
     */
    public function ad_edit(){
        $this->ad_vali();
        $this->assign('category',DataXwCategory::show()->select());
        DataBestKnowledgeAd::mForm('ad_form');
    }
    protected function ad_vali(){
        if($this->request->isPost()){
            $this->_vali([
                'title.max:50'=>'标题过长',
            ]);
        }
    }
    /**
     * 新闻广告删除
     * @auth true
     * @menu true
     */
    public function ad_del(){
        $ids=$this->request->post('id');
        DataBestKnowledgeAd::whereIn('id',$ids)->select()->each(function ($d){$d->delete();});
        $this->success('删除成功');
    }
    /**
     * 新闻广告上下架
     * @auth true
     * @menu true
     */
    public function ad_state(){
        DataBestKnowledgeAd::mSave([
            'status'=>$this->request->post('status'),
        ]);
    }

    public function _form_filter($vo){

        if ($this->request->isGet()) {

        }elseif ($this->request->isPost()){
            $vo['content'] = $this->textcl($vo['content']);
//            $vo['user_id'] = null;
//            var_dump($vo);die;
            if($this->request->action() == 'edit' || $this->request->action() == 'add'){
                isset($vo['id']) ? DataBestKnowledge::mk()->where('id',$vo['id'])->update($vo) : DataBestKnowledge::mk()->insert($vo);
                $this->success('数据更新成功',in_array($this->request->action(),['add','edit','ad_add','ad_edit'])? 'javascript:history.back()':'');
            }else if(($this->request->action() == 'ad_add' || $this->request->action() == 'ad_edit')){
                isset($vo['id']) ? DataBestKnowledgeAd::mk()->where('id',$vo['id'])->update($vo) : DataBestKnowledgeAd::mk()->insert($vo);
                $this->success('数据更新成功',in_array($this->request->action(),['add','edit','ad_add','ad_edit'])? 'javascript:history.back()':'');
            }

        }
    }


    /**
     * 表单结果处理
     * @param boolean $state
     */
    protected function _form_result(bool $state)
    {
        if ($state) {
            $this->success('保存成功！',in_array($this->request->action(),['add','edit','ad_add','ad_edit'])? 'javascript:history.back()':'');
        }
    }

    //视频加封面(阿里云文件)
    public function textcl($string = ''){

//        $string = '<div>
//        <video controls="controls" width="100%"><source src="https://shipcccn.oss-cn-shanghai.aliyuncs.com/dd/天文学家系列.mp4" type="audio/mp4" /></video>
//        </div>
//
//        <p>11111</p>
//
//        <div>
//        <video controls="controls" width="100%"><source src="https://shipcccn.oss-cn-shanghai.aliyuncs.com/dd/96326ec38bb7761ef74b7623e94e886c.mp4" type="audio/mp4" /></video>
//        </div>
//
//        <p>111216546485465468</p>'; // 原始字符串

        $position = strpos($string, '<video '); // 获取'video'在字符串中的位置

        if ($position !== false) {
            preg_match_all('/<video[^>]*>(.*?)<\/video>/s', $string, $matches);

            if (isset($matches[1])) {
//                echo "视频标签内容为：" . htmlspecialchars($matches[0][1]);die;
            } else {
                return $string;
//                echo "未找到视频标签";
            }

            foreach ($matches[0] as $k => $v){
//获取src部分 拼凑封面地址
                $pattern_src = '/\bsrc\b\s*=\s*[\'\"]?([^\'\"]*)[\'\"]?/i';
                preg_match_all($pattern_src,$matches[0][$k],$matchSrc);
                $url = $matchSrc[1][0];
                $url = $url.'?x-oss-process=video/snapshot,t_10000,m_fast';
                $replacement_d = '<video controls="controls" poster="'.$url.'" width="100%">';

                //第一次替换
                $originalString = $matches[0][$k];  //这是原始字符串
                $replacement = $replacement_d;  //被替换后的内容
                $searchValue = '<video controls="controls" width="100%">';  //要替换的部分

// 将 $searchValue 替换为 $replacement
                $newString = str_replace($searchValue, $replacement, $originalString);


                //第二次替换
                $originalString = $string;  //这是原始字符串
                $replacement = $newString;  //被替换后的内容
                $searchValue = $matches[0][$k];  //要替换的部分
                $newString = str_replace($searchValue, $replacement, $originalString);

                $string = $newString;
            }


            //echo $newString;die; // 输出结果为"这是被替换后的内容";
            return $newString;
        } else {
            return $string;
//            echo "未找到'video'关键词";
        }
    }


    /**
     * 新闻报道设置
     * @auth true
     * @menu true
     */
    public function config(){
        if($this->request->isGet()){
            $this->title='间隔设置';
            $this->assign('vo',sysconf('config_xw.'));
            $this->fetch();
        }else{
            $data=$this->_vali([
                'split_num2.require'=>'间隔数必须',
                'user_avatar2.require'=>'头像数必须',
                'user_avatar2.url'=>'头像链接有误',
                'username2.require'=>'名称必须',
                'split_num2.gt:0'=>'间隔数必须大于0',
            ]);
            sysconf('config_xw',$data);
            $this->success('保存成功');
        }
    }
}