package models import "time" type Comment struct { ID string `json:"id"` TargetID string `json:"targetID"` // 被评论的文章、书籍等ID CreatorID int64 `json:"creatorID"` Creator *UserSimple `json:"creator"` Md string `json:"md"` Likes int `json:"likes"` Liked bool `json:"liked"` Replies []*Comment `json:"replies"` Created time.Time `json:"created"` Updated time.Time `json:"updated"` } type Comments []*Comment func (ar Comments) Len() int { return len(ar) } func (ar Comments) Swap(i, j int) { ar[i], ar[j] = ar[j], ar[i] } func (ar Comments) Less(i, j int) bool { return ar[i].Created.Unix() > ar[j].Created.Unix() }