application/index/model/FeedSpace.php

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<?php
//声明当前model的目录位置
namespace app\index\model;

use think\Model;
//use think\Request;
class FeedSpace extends Model
{
  
	     public function add()
    {
           $feed = new FeedSpace;
                        //必填
//			$feed->feed_name = request()->param('feed_name');
                        $feed->price = request()->param('price');
                        $feed->need_id = request()->param('need_id');
                        $feed->need_uid = request()->param('need_uid');
			$feed->detail = request()->param('detail');
                        $feed->update_time =time();
                        $feed->pub_uid =  session('uid','', 'index');
                        $feed->pub_username =  session('username','','index');
                        if($feed->save()){
                         return  $feed->id;
    }
    }
}