/// <summary>
/// 添加用户到角色
/// </summary>
/// <param name="roleIds"></param>
/// <param name="userId"></param>
/// <returns></returns>
public void AddRoleToUser(string userIds, string roleIds)
{
string[] id = userIds.Split(',');
for (int i = 0; i < id.Length; i++)
{
_userDB.AddRoleToUser(Convert.ToInt32(id[i]), roleIds);
}
}