package dbstruct type MediaComponent struct { ImageIds *[]int64 `json:"image_ids" bson:"image_ids"` // 图片ids VideoIds *[]int64 `json:"video_ids" bson:"video_ids"` // 视频ids Images []*ToCImage `json:"images"` Videos []*ToCVideo `json:"videos"` } func (p *MediaComponent) GetImageIds() []int64 { if p != nil && p.ImageIds != nil { return *p.ImageIds } return nil } func (p *MediaComponent) GetVideoIds() []int64 { if p != nil && p.VideoIds != nil { return *p.VideoIds } return nil } func (p *MediaComponent) SetImages(images []*ToCImage) { if p != nil { p.Images = make([]*ToCImage, 0) p.Images = append(p.Images, images...) } } func (p *MediaComponent) SetVideos(videos []*ToCVideo) { if p != nil { p.Videos = make([]*ToCVideo, 0) p.Videos = append(p.Videos, videos...) } } // ImageIds和VideoIds不可同时为空 func (p *MediaComponent) IsEmpty() bool { if p == nil { return true } return len(p.GetImageIds()) == 0 && len(p.GetVideoIds()) == 0 }