package mysqlmodel type Like struct { Model // LikeType 业务类型 1=社区穿搭;与 TargetID、UserID 组成联合唯一索引,支撑点赞/取消点赞 upsert。 LikeType int8 `gorm:"column:like_type;uniqueIndex:uk_like_user_target,priority:1"` TargetID int64 `gorm:"column:target_id;uniqueIndex:uk_like_user_target,priority:2"` // 穿搭ID UserID int64 `gorm:"column:user_id;uniqueIndex:uk_like_user_target,priority:3"` // 点赞用户ID Status int8 `gorm:"column:status"` // 状态 1=已点赞 0=已取消 } func (Like) TableName() string { return "likes" }