dao

/**

• 查找用户信息
• **/ public Users findUsersUid(int uId) { Connection con = DBTools.getConnection(); String sql = "select * from users where uId=?";
  PreparedStatement preparedStatement=null;
  ResultSet resultSet=null;
  try {
  preparedStatement= con.prepareStatement(sql);
  preparedStatement.setInt(1, uId); resultSet= preparedStatement.executeQuery(); Users u = null;
  if (resultSet.next()) {
  uId = resultSet.getInt(1);
  String uQQ = resultSet.getString(2);
  String uPwd = resultSet.getString(3);
  String uName = resultSet.getString(4);
  int uAge = resultSet.getInt(5);
  String uGender = resultSet.getString(6);
  String uImage = resultSet.getString(7);
  String uEmail = resultSet.getString(8);
  int uStatus = resultSet.getInt(9);
  Date uLastLoginTime = resultSet.getDate(10);
  Date uRegisterTime = resultSet.getDate(11);
  String uRemark = resultSet.getString(12); u = new Users(uId, uQQ, uPwd, uName, uAge, uGender,
  uImage, uEmail, uStatus, uLastLoginTime, uRegisterTime,
  uRemark);
  }
  return u; } catch (SQLException e) { e.printStackTrace();
  return null; // 返回-1表示发生异常
  } finally {
  DBTools.closeAll(con, preparedStatement, resultSet);
  } }
  这是查询的DAO方法，但是怎么调用呢，是不是还要查找账号

方法调用，无外乎2种，一种静态方法，直接类调用，还一种new个对象，通过对象调用