live_product_api/app/model/system/News.php

<?php
declare (strict_types = 1);
namespace app\model\system;

use app\Request;
use library\basic\BaseModel;
use library\services\UtilService;
use library\utils\Arr;
use think\db\exception\DbException;
use think\Model;

class News extends BaseModel{
    private $_data;
    /**
     * 保存数据
     * @param type $post
     * @return boolean
     */
    public function newsSave($post){
        if(!empty($post['id'])) {
            $this->where('id',$post['id'])->save($post);
            return true;
        } else {
            unset($post['id']);
            $post["time"] = time();
            $bool = $this->insert($post);
            return $bool;
        }
    }
    /**
     * 删除数据
     * @param type $id
     * @return boolean
     */
    public function newsDel($id){
        $this->where("id",$id)->delete();
        return true;
    }
    
    /**
     * 设置显示状态
     * @param $id
     * @param $status
     */
    public function newsShowSet($id,$status) {
       self::beginTrans();
       try{
         $this->where('id', $id)->save(['is_show'=>$status]);
         self::commitTrans();
         return true;
       }catch (DbException $db) {
           self::rollbackTrans();
           return false;
       }
    }
}