package models import ( "strconv" ) type User_role struct { ID uint `gorm:"primary_key" json:"id"` UserId string `json:"user_id"` RoleId uint `json:"role_id"` } func FindRoleByUserId(userId interface{}) User_role { var uRole User_role DB.Where("user_id = ?", userId).First(&uRole) return uRole } func CreateUserRole(userId uint, roleId uint) { uRole := &User_role{ UserId: strconv.Itoa(int(userId)), RoleId: roleId, } DB.Create(uRole) } func DeleteRoleByUserId(userId interface{}) { DB.Where("user_id = ?", userId).Delete(User_role{}) }