01.<?php
02.
03.if(isset($_POST['search']))
04. # code...
05.
06.{ if(Trim($_POST['key_card']) =="")
07.{
08.$p3=" กรุณากรองเลขบัตร";
09.}
10.else
11.{
12.
13.}
14.
15.
16.
17. $key_card= $_POST['key_card'];
18. $connect = mysqli_connect("localhost","root" ,"root","123456");
19. $query="SELECT `username`, `password`,`date_over` FROM `tb_member` WHERE `key_card`= $key_card LIMIT 1";
20. $result=mysqli_query($connect,$query);
21. if (mysqli_num_rows($result) > 0) {
22.
23. while ( $row=mysqli_fetch_array($result))
24. {
25. $user=$row['username'];
26. $pass=$row['password'];
27. $date_over=$row['date_over'];
28. }
29.
30. }else{
31. $errorcard= "ไม่มีเลขบัตรในระบบ";
32. $user="";
33. $pass="";
34. $date_over="";
35.
36. }
37. mysqli_free_result($result);
38. mysqli_close($connect);
39.}else{
40. $errorcard= "";
41. $user="";
42. $pass="";
43. $date_over="";
44.}
45.
46.
47.
48.?>
49.<!DOCTYPE html>
50.<html>
51.<head>
52.
53.
54. <meta charset="utf-8">
55. <meta name="viewport" content="widrh=device-width, initial - scale=1.0">
56.</head>
57. <form action="error.php" method="post">
58. key_card=<input type="text" name="key_card"><br><br>
59. test=<input type="text" name="test" value="<?php echo $errorcard ?>"><br><br>
60. user=<input type="text" name="user" value="<?php echo $user ?>"><br><br>
61. pass=<input type="text" name="pass" value="<?php echo $pass ?>"><br><br>
62. ใช้งานได้ถึ=<input type="text" name="pass" value="<?php echo $date_over ?>"><br><br>
63.
64. <input type="submit" name="search" value="Find">
65. </form>
66.<body>
67.
68.</body>
69.</html>
