'bigint',// 'specs_id' =>'bigint',//规格id 'cat_id' =>'bigint',//分类规格id 'is_del' =>'tinyint',// 'addtime' =>'datetime',// ]; protected $createTime='addtime'; public function cat(){ return $this->belongsTo(Cat::class,'cat_id','id'); } public function specs(){ return $this->belongsTo(Specs::class,'specs_id','id')->bind(["spec_name"]); } }