<?php namespace app\model; use think\Model; class Campaign extends PgBaseModel { protected $table = 'ad_ga_campaigns'; // 对应数据库表名 protected $primaryKey = 'id'; // 主键 protected $autoWriteTimestamp = true; // 自动时间戳 protected $createTime = 'created_at'; // 创建时间字段 protected $updateTime = 'updated_at'; // 更新时间字段 // 关联广告预算 public function campaignBudget() { return $this->belongsTo(CampaignBudget::class, 'budget_id', 'id'); } }