public ReturnDTO create(UserToken token, string account, string password) { //不同的错误码 if (account == null || password == null) { return(new ReturnDTO(RETURN_CODE.INPUT_IS_ILLEGAL)); } if (accountCache.isHasAccount(account)) { return(new ReturnDTO(RETURN_CODE.ACCOUNT_NAME_HAS_EXIST)); } accountCache.createAccount(account, password); return(new ReturnDTO(RETURN_CODE.SUCCESS)); }