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danhsachnguoidung.php
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<?php
ob_start();
session_start();
require 'connect_db.php';
if (!empty($_SESSION['id'])) {
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
<title>Danh sách người dùng</title>
<style>
/* Set height of the grid so .sidenav can be 100% (adjust if needed) */
.row.content {
height: 1000px
}
/* Set gray background color and 100% height */
.sidenav {
background-color: #f1f1f1;
height: 100%;
}
/* Set black background color, white text and some padding */
footer {
background-color: #555;
color: white;
padding: 15px;
}
/* On small screens, set height to 'auto' for sidenav and grid */
@media screen and (max-width: 767px) {
.sidenav {
height: auto;
padding: 15px;
}
.row.content {
height: auto;
}
}
</style>
</head>
<body>
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="trangchu.php">Assignment</a>
</div>
<ul class="nav navbar-nav navbar-right">
<?php
if (!empty($_SESSION['username'])) {
?>
<li style="color:white; margin-top: 5px">
<h4>Xin chào <?= $_SESSION['username'] ?></h4>
</li>
<li><a href='logout.php'><span class='glyphicon glyphicon-user'></span> Đăng xuất</a></li>
<?php
} else {
echo '<li><a href="register.php"><span class="glyphicon glyphicon-user"></span> Đăng ký</a></li>
<li><a href="index.php"><span class="glyphicon glyphicon-log-in"></span> Đăng nhập</a></li>';
}
?>
</ul>
</div>
</nav>
<div class="container-fluid">
<div class="row content">
<div class="col-sm-3 sidenav" style="width:20%">
<h4>Danh Mục</h4>
<div class="list-group">
<a href="trangchu.php" class="list-group-item ">Giới Thiệu</a>
<?php if (!empty($_SESSION['id'])) { ?>
<?php if ($_SESSION['role'] == 0) { ?>
<a href="quanlysinhvien.php" class="list-group-item ">Quản lý sinh viên</a>
<?php } ?>
<a href="thongtincanhan.php" class="list-group-item">Thông tin cá nhân</a>
<a href="danhsachnguoidung.php" class="list-group-item active">Danh sách người dùng</a>
<?php
if (isset($_SESSION['role']) && $_SESSION['role'] == 0) {
echo '<a href="giaobai.php" class="list-group-item">Giao bài</a>';
} else {
echo '<a href="nopbai.php" class="list-group-item">Nộp bài</a>';
}
?>
<a href="challenge.php" class="list-group-item">Challenge</a>
<?php } ?>
</div><br>
</div>
<?php
if (empty($_GET['id'])) {
?>
<div class="col-sm-9">
<div class="container" style="width: 800px;">
<center>
<h1>Danh sách người dùng</h1>
</center>
<br>
<table class="table table-bordered">
<thead>
<tr>
<th>ID</th>
<th>Username</th>
<th>Họ tên</th>
<th>Vai trò</th>
<th></th>
</tr>
</thead>
<tbody>
<!-- Liệt kê danh sách sinh viên (role = 1) -->
<?php
$sql = "SELECT * FROM user";
$result_lietke = GetData($sql);
while ($row = mysqli_fetch_assoc($result_lietke)) {
?>
<tr>
<td><?= $row['id'] ?></td>
<td><?= htmlspecialchars($row['username']) ?></td>
<td><?= htmlspecialchars($row['hoten']) ?></td>
<td><?= ($row['role'] == 0) ? 'Giáo viên' : 'Sinh viên' ?></td>
<td style="width: 100px ; text-align: center;"><a href="?id=<?= $row['id'] ?>" class="btn btn-primary">Chi tiết</a></td>
</tr>
<?php
}
?>
</tbody>
</table>
</div>
</div>
<?php
} else {
?>
<!-- hien thi thong tin chi tiet va form tin nhan -->
<div class="row">
<?php
$id = $_GET['id'];
$conn = mysqli_connect('localhost', 'root', '', 'assignment');
$stmt = $conn->prepare('SELECT * FROM user WHERE id=?');
$stmt->bind_param('i', $id);
$stmt->execute();
$result = $stmt->get_result();
$result = $result->fetch_assoc();
$stmt->close();
$conn->close();
if ($result['role'] == 0) $value_role = 'Giáo viên';
else $value_role = 'Sinh viên';
$name = $result['username'];
$value_username = 'value="' . htmlspecialchars($result['username']) . '"';
$value_hoten = 'value="' . htmlspecialchars($result['hoten']) . '"';
$value_email = 'value="' . htmlspecialchars($result['email']) . '"';
$value_phone = 'value="' . htmlspecialchars($result['sdt']) . '"';
?>
<div class="col-sm-6" style="width: 500px ;">
<center>
<h1>Thông tin chi tiết</h1>
</center>
<br>
<form action="" method="POST">
<div class="form-group">
<label>ID:</label>
<input type="number" value="<?= htmlspecialchars($id) ?>" style="width: 50px ;" disabled>
<label>Role:</label>
<input type="text" value="<?= $value_role ?>" style="width: 100px ;" disabled>
</div>
<div class="form-group">
<label>Username:</label><br>
<input type="text" class="form-control" placeholder="Nhập Username" name="input_username" <?= $value_username ?> disabled>
</div>
<div class="form-group">
<label>Họ tên:</label>
<input type="text" class="form-control" placeholder="Nhập họ và tên đầy đủ" name="input_hoten" <?= $value_hoten ?> disabled>
</div>
<div class="form-group">
<label>Email:</label>
<input type="email" class="form-control" placeholder="Nhập email" name="input_email" <?= $value_email ?> disabled>
</div>
<div class="form-group">
<label>Số điện thoại:</label>
<input type="number" class="form-control" placeholder="Nhập số điện thoại" name="input_phone" <?= $value_phone ?> disabled>
</div>
</form>
</div>
<div class="col-sm-6" style="width: 550px ;">
<center>
<h1>Để lại lời nhắn</h1>
</center>
<br>
<?php
$value_mess = '';
if (!empty($_GET['idmess']) && !empty($_GET['id']) && !empty($_GET['noidung'])) {
$value_mess = 'value=' . $_GET['noidung'] . '';
}
?>
<form action="" method="POST">
<input type="text" size="61%" placeholder="Nhập tin nhắn" name="input_mess" <?= htmlspecialchars($value_mess) ?>>
<input type="submit" name="click_submit_mess">
</form>
<?php
if (isset($_POST['click_submit_mess'])) {
if (!empty($_POST['input_mess'])) {
$conn = mysqli_connect('localhost', 'root', '', 'assignment');
if (empty($_GET['idmess'])) {
date_default_timezone_set('Asia/Ho_Chi_Minh');
$time = date("[H:i-d/m/Y]");
$stmt = $conn->prepare('INSERT INTO messenger VALUES (null, ?, ?, ?, ?)');
$stmt->bind_param('iiss', $_SESSION['id'], $_GET['id'], $_POST['input_mess'], $time);
} else {
$stmt = $conn->prepare('UPDATE messenger SET noidung=? WHERE idmess=? AND idgui=?');
$stmt->bind_param('sii', $_POST['input_mess'], $_GET['idmess'], $_SESSION['id']);
echo '<script>alert("Cập nhật tin nhắn thành công")</script>';
}
$stmt->execute();
$stmt->close();
$conn->close();
} else {
echo '<script>alert("Không được để trống lời nhắn")</script>';
}
}
?>
<br>
<table class="table table-condensed table-hover">
<thead>
<tr>
<th>Nội dung</th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<?php
$conn = mysqli_connect('localhost', 'root', '', 'assignment');
$stmt1 = $conn->prepare('SELECT * FROM messenger WHERE (idnhan=? AND idgui=?) OR (idnhan=? AND idgui=?)');
$stmt1->bind_param('iiii', $_SESSION['id'], $_GET['id'], $_GET['id'], $_SESSION['id']);
$stmt1->execute();
$result = $stmt1->get_result();
$stmt1->close();
$conn->close();
while ($mess = mysqli_fetch_assoc($result)) {
?>
<tr>
<?php
if ($_SESSION['id'] == $mess['idgui']) {
//sinh token
$token = md5(uniqid());
$_SESSION['token'] = $token;
?>
<td style="width: 90%; "><?= $mess['time'] . ' [you] ' . htmlspecialchars($mess['noidung']) ?></td>
<td><a href="?idmess=<?= $mess['idmess'] ?>&id=<?= $_GET['id'] ?>&noidung=<?= htmlspecialchars($mess['noidung']) ?>"><img src="./image/edit.png" width="70%"></a></td>
<td><a href="delete.php?idmess=<?= $mess['idmess'] ?>&iddsnd=<?= $_GET['id'] ?>&token=<?=$token?>"><img src="./image/delete.png" width="70%"></a></td>
<?php
} else {
?>
<td style="width: 90%;"><?= $mess['time'] . ' [' . $name . '] ' . htmlspecialchars($mess['noidung']) ?></td>
<td></td>
<td></td>
<?php
}
?>
</tr>
<?php
}
?>
</tbody>
</table>
</div>
</div>
<?php
}
?>
</div>
<?php
?>
</div>
</div>
</body>
</html>
<?php
} else {
header("Location: trangchu.php");
}
?>