application/index/model/ProfitsSpace.php

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

use think\Model;

class ProfitsSpace extends Model
{
public function add($total,$source_type,$source_id){
$profits = new ProfitsSpace;
        //必填
        $profits->total = $total;
        $profits->source_type = $source_type;
        $profits->source_id = $source_id;
        $profits->update_time =time();
        $profits->save();
        return $profits->id;
}

}