我正在創建一個登錄表單,我希望密碼區分大小寫。我寫了下面的代碼。如何使用where子句使其區分大小寫。區分大小寫查詢
PreparedStatement stm = con.prepareStatement(" select * from user where userid =? and password =?");
stm.setString(1, userid);
stm.setString(2, pswd);
ResultSet rs =stm.executeQuery();
if (!rs.next()) {
JOptionPane.showMessageDialog(this, "Invalid Id/Password");
}
謝謝。有效 :) – Malwaregeek