Hệ thống quản lý phương tiện trong PHP

1 <?php
2     session_start();
3     $connection=mysqli_connect(
"localhost","root","","vehiclemanagement");
4     
5     $msg=
"";
6     
if(isset($_POST['submit'])){
7         $username=mysqli_real_escape_string($connection,strtolower($_POST[
'username']));
8         
9         $password=mysqli_real_escape_string($connection,$_POST[
'password']);
10         
11         $login_query=
"SELECT * FROM `admin` WHERE username='$username' and password='$password'";
12         
13         $login_res=mysqli_query($connection,$login_query);
14         
if(mysqli_num_rows($login_res)>0){
15             $_SESSION[
'username']=$username;
16             header(
'Location:admin.php');
17         }
18         
else{
19              $msg=
'<div class="alert alert-danger alert-dismissable" style="margin-top:30px";>
20                     <a href=
"#" class="close" data-dismiss="alert" aria-label="close">×</a>
21                     <strong>Unsuccessful!</strong> Login Unsuccessful.
22                   </div>
';
23         }
24     }
25
26 ?>
27
28
29 <!DOCTYPE html>
30 <html lang=
"en">
31 <head>
32     <meta charset=
"UTF-8">
33     <title>Sign Up</title>
34     <link rel=
"stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
35     <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
36     <script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
37     <script src=
"https://unpkg.com/sweetalert/dist/sweetalert.min.js"></script>
38     <link rel=
"stylesheet" href="animate.css">
39     <link rel=
"stylesheet" href="style.css">
40 </head>
41 <body>
42   <?php include
'navbar.php'; ?>
43    
44     
45     <br>
46     <div
class="container">
47      <div
class="row">
48        <div
class="col-md-3"></div>
49         <div
class="col-md-6">
50           <?php echo $msg; ?>
51             <div
class="page-header">
52                 <h1 style=
"text-align: center;">Admin Login</h1>
53           </div>
54             <form
class="form-horizontal animated bounce" action="" method="post">
55                 <div
class="input-group">
56                   <span
class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
57                   <input id=
"username" type="text" class="form-control" name="username" placeholder="Username">
58                 </div>
59                 <br>
60                 
61                 <div
class="input-group">
62                   <span
class="input-group-addon"><i class="glyphicon glyphicon-lock"></i></span>
63                   <input id=
"password" type="password" class="form-control" name="password" placeholder="Password">
64                 </div>
65                 <br>
66                 
67                 <div
class="input-group">
68                   <button type=
"submit" name="submit" class="btn btn-success">Log in</button>
69                   
70                 </div>
71
72               </form>
73         </div>
74         <div
class="col-md-3"></div>
75          
76      </div>
77          
78    
79     </div>
80     
81    
82     
83 </body>
84 </html>


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