package model import "gorm.io/gorm" type Comment struct { gorm.Model UserID uint `gorm:"index"` // 评论的用户ID User User `gorm:"foreignKey:UserID;references:ID"` // 关联的用户 TargetID uint `gorm:"index"` // 目标ID TargetType string `gorm:"index"` // 目标类型,如 "post", "page" ReplyID uint `gorm:"index"` // 回复的评论ID Content string `gorm:"type:text"` // 评论内容 Depth int `gorm:"default:0"` // 评论的层级深度 LikeCount uint64 CommentCount uint64 }