public String readinfo() { String[] cols = {"id", "account", "password"}; ArrayList<Map<String, String>> map = dataBaseOperator.query(DataBaseTable.UserDataTable.USER_TABLE_NAME, cols, null, null); String str = ""; for (int i = 0; i < map.size(); i++) { str += map.get(i).get("account"); } return str; }
public boolean isIdExist(String id) { String[] cols = {DataBaseTable.UserDataTable.ID}; ArrayList<Map<String, String>> map = dataBaseOperator.query(DataBaseTable.UserDataTable.USER_TABLE_NAME, cols, null, null); for (int i = 0; i < map.size(); i++) { if (map.get(i).get(DataBaseTable.UserDataTable.ID).equals(id)) { return true; } } return false; }