application/index/model/NeedSpace.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 NeedSpace extends Model
{
    public function add() {
       
        $need = new NeedSpace;
                        //必填
			$need->need_name = request()->param('need_name');
                        
                        $need->shop_id = request()->param('shop_id');
                        $need->feed_uid = request()->param('feed_uid');
                        $need->feed_username = request()->param('feed_username');
                        
                        $need->price = request()->param('price');
                        $need->price2 = request()->param('price2');
                         $need->price3 = request()->param('price3');
                        $need->contact_type = request()->param('contact_type');
                         $need->advance_payment = request()->param('advance_payment');
                        $need->contact = request()->param('contact');
                        
                        //选填
			$need->need_type = request()->param('need_type');
                        $need->need_type2 = request()->param('need_type2');
                        $need->need_type3 = request()->param('need_type3');
			$need->detail = request()->param('detail');
                       // $need->file= request()->param('file');
                        $arr_pic=request()->post('pic/a');
                        if(!empty($arr_pic)){
			$pic_string=implode(",", $arr_pic);
                        }
			$need->pic = $pic_string;
                        
                         $arr_file = request()->post('file/a');
                        if (!empty($arr_file)) {
                            $file_string = implode(",", $arr_file);
                        }
                        $need->file = $file_string;

                        $need->update_time =time();
                        $need->pub_uid =  session('uid','', 'index');
                        $need->pub_username =  session('username','','index');
                        if($need->save()){
                    // return true;  
                          return $need->id;
    }
    }
	
}