<?php namespace app\common\model; use think\Model; use think\model\concern\SoftDelete; use think\Db; use think\facade\Session; class Sign extends Model { protected $pk = 'id'; //主键 protected $autoWriteTimestamp = true; //开启自动时间戳 protected $createTime = 'create_time'; protected $updateTime = 'update_time'; //用户关联评论 public function user() { return $this->hasMany('User','user_id','id'); } }