• 好听的歌
• 美妙音乐

好听的歌

风往北吹 刀郎

你笑起来真好看

两两相忘

美妙音乐

type GRN struct{ DocType, GRNNO, PRID, PRODUCE, VARIETY string }

func filter(in []GRN, produce, variety string) []GRN { var out []GRN for _, each := range in { if each.PRODUCE == produce && each.VARIETY == variety { out = append(out, each) } } return out }