package model type Tag struct { IdModel Name string `json:"name" gorm:"default:'';not null;"` UserId uint `json:"user_id" gorm:"default:0;not null;index"` Color uint `json:"color" gorm:"default:0;not null;"` //color is a flutter color value, from 0x00000000 to 0xFFFFFFFF; the first two digits represent the alpha (transparency), the remaining 6 digits represent the color, can be converted to rgba CollectionId uint `json:"collection_id" gorm:"default:0;not null;index"` Collection *AddressBookCollection `json:"collection,omitempty"` TimeModel } type TagList struct { Tags []*Tag `json:"list"` Pagination }