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;
}