belongsTo(UploadFile::class, 'img', 'file_id'); } /** * 关联文件库 * @return \think\model\relation\BelongsTo */ public function urls() { return $this->belongsTo(UploadFile::class, 'codes_file', 'file_id'); } /** * 关联优惠券库 * @return \think\model\relation\BelongsTo */ public function coupon() { return $this->belongsTo(Coupon::class, 'coupon_id', 'coupon_id'); } public function draws(){ return $this->hasMany(MemberWelfareDraw::class,'target_id','id'); } public function drawsChecked(){ return $this->hasMany(MemberWelfareDraw::class,'target_id','id'); } public function drawsExpired(){ return $this->hasMany(MemberWelfareDraw::class,'target_id','id'); } }