C
public class UserImp extends GenricDao { //根据用户密码查询用户信息 public Users user(String name,String password ){ connection(); String sql="select * from USERS "; try { pstmt=conn.prepareStatement(sql); rs=pstmt.executeQuery(); System.out.println(rs.next()); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } }
我调用这个方法,结果rs.next输出的是false,有什么解决办法?
qq_莫非
相关分类