By GokiSoft.com| 15:03 17/06/2020|
Học PHP

[Share Code] Hướng dẫn full code quản lý sinh viên Thêm + sửa + xoá + tìm kiếm + ajax PHP MySQL - Lớp T1907A

Viết website quản lý sinh viên PHP & MySQL - Lập Trình PHP

#guideline.txt


B1. Cấu hình CSDL
- Tạo CSDL -> db1656
- Tạo bảng sinh viên
create table student (
	id int primary key auto_increment,
	fullname varchar(80) not null,
	age int,
	address varchar(200)
)

B2. Tạo dự án PHP


#config.php


<?php
define('HOST', 'localhost');
define('DATABASE', 'db1656');
define('USERNAME', 'root');
define('PASSWORD', '');


#dbhelp.php


<?php
require_once ('config.php');

/**
 * insert, update, delete -> su dung function
 */
function execute($sql) {
	//create connection toi database
	$conn = mysqli_connect(HOST, USERNAME, PASSWORD, DATABASE);

	//query
	mysqli_query($conn, $sql);

	//dong connection
	mysqli_close($conn);
}

/**
 * su dung cho lenh select => tra ve ket qua
 */
function executeResult($sql) {
	//create connection toi database
	$conn = mysqli_connect(HOST, USERNAME, PASSWORD, DATABASE);

	//query
	$resultset = mysqli_query($conn, $sql);
	$list      = [];
	while ($row = mysqli_fetch_array($resultset, 1)) {
		$list[] = $row;
	}

	//dong connection
	mysqli_close($conn);

	return $list;
}


#index.php


<?php
require_once ('dbhelp.php');
?>
<!DOCTYPE html>
<html>
<head>
	<title>Student Management</title>
	<!-- Latest compiled and minified CSS -->
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">

	<!-- jQuery library -->
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

	<!-- Popper JS -->
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>

	<!-- Latest compiled JavaScript -->
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
	<div class="container">
		<div class="panel panel-primary">
			<div class="panel-heading">
				Quản lý thông tin sinh viên
				<form method="get">
					<input type="text" name="s" class="form-control" style="margin-top: 15px; margin-bottom: 15px;" placeholder="Tìm kiếm theo tên">
				</form>
			</div>
			<div class="panel-body">
				<table class="table table-bordered">
					<thead>
						<tr>
							<th>STT</th>
							<th>Họ & Tên</th>
							<th>Tuổi</th>
							<th>Địa chỉ</th>
							<th width="60px"></th>
							<th width="60px"></th>
						</tr>
					</thead>
					<tbody>
<?php
if (isset($_GET['s']) && $_GET['s'] != '') {
	$sql = 'select * from student where fullname like "%'.$_GET['s'].'%"';
} else {
	$sql = 'select * from student';
}

$studentList = executeResult($sql);

$index = 1;
foreach ($studentList as $std) {
	echo '<tr>
			<td>'.($index++).'</td>
			<td>'.$std['fullname'].'</td>
			<td>'.$std['age'].'</td>
			<td>'.$std['address'].'</td>
			<td><button class="btn btn-warning" onclick=\'window.open("input.php?id='.$std['id'].'","_self")\'>Edit</button></td>
			<td><button class="btn btn-danger" onclick="deleteStudent('.$std['id'].')">Delete</button></td>
		</tr>';
}
?>
					</tbody>
				</table>
				<button class="btn btn-success" onclick="window.open('input.php', '_self')">Add Student</button>
			</div>
		</div>
	</div>

	<script type="text/javascript">
		function deleteStudent(id) {
			option = confirm('Bạn có muốn xoá sinh viên này không')
			if(!option) {
				return;
			}

			console.log(id)
			$.post('delete_student.php', {
				'id': id
			}, function(data) {
				alert(data)
				location.reload()
			})
		}
	</script>
</body>
</html>


#input.php


<?php
require_once ('dbhelp.php');

$s_fullname = $s_age = $s_address = '';

if (!empty($_POST)) {
	$s_id = '';

	if (isset($_POST['fullname'])) {
		$s_fullname = $_POST['fullname'];
	}

	if (isset($_POST['age'])) {
		$s_age = $_POST['age'];
	}

	if (isset($_POST['address'])) {
		$s_address = $_POST['address'];
	}

	if (isset($_POST['id'])) {
		$s_id = $_POST['id'];
	}

	$s_fullname = str_replace('\'', '\\\'', $s_fullname);
	$s_age      = str_replace('\'', '\\\'', $s_age);
	$s_address  = str_replace('\'', '\\\'', $s_address);
	$s_id       = str_replace('\'', '\\\'', $s_id);

	if ($s_id != '') {
		//update
		$sql = "update student set fullname = '$s_fullname', age = '$s_age', address = '$s_address' where id = " .$s_id;
	} else {
		//insert
		$sql = "insert into student(fullname, age, address) value ('$s_fullname', '$s_age', '$s_address')";
	}

	// echo $sql;

	execute($sql);

	header('Location: index.php');
	die();
}

$id = '';
if (isset($_GET['id'])) {
	$id          = $_GET['id'];
	$sql         = 'select * from student where id = '.$id;
	$studentList = executeResult($sql);
	if ($studentList != null && count($studentList) > 0) {
		$std        = $studentList[0];
		$s_fullname = $std['fullname'];
		$s_age      = $std['age'];
		$s_address  = $std['address'];
	} else {
		$id = '';
	}
}
?>

<!DOCTYPE html>
<html>
<head>
	<title>Registation Form * Form Tutorial</title>
	<!-- Latest compiled and minified CSS -->
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">

	<!-- jQuery library -->
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

	<!-- Popper JS -->
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>

	<!-- Latest compiled JavaScript -->
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
	<div class="container">
		<div class="panel panel-primary">
			<div class="panel-heading">
				<h2 class="text-center">Add Student</h2>
			</div>
			<div class="panel-body">
				<form method="post">
					<div class="form-group">
					  <label for="usr">Name:</label>
					  <input type="number" name="id" value="<?=$id?>" style="display: none;">
					  <input required="true" type="text" class="form-control" id="usr" name="fullname" value="<?=$s_fullname?>">
					</div>
					<div class="form-group">
					  <label for="birthday">Age:</label>
					  <input type="number" class="form-control" id="age" name="age" value="<?=$s_age?>">
					</div>
					<div class="form-group">
					  <label for="address">Address:</label>
					  <input type="text" class="form-control" id="address" name="address" value="<?=$s_address?>">
					</div>
					<button class="btn btn-success">Save</button>
				</form>
			</div>
		</div>
	</div>
</body>
</html>


#delete_student.php


<?php
if (isset($_POST['id'])) {
	$id = $_POST['id'];

	require_once ('dbhelp.php');
	$sql = 'delete from student where id = '.$id;
	execute($sql);

	echo 'Xoá sinh viên thành công';
}


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Phản hồi từ học viên

5

(Dựa trên đánh giá ngày hôm nay)

TRẦN VĂN ĐIỆP [Teacher]
TRẦN VĂN ĐIỆP

2020-06-17 09:36:01



var getCookies = function(){
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  var cookies = {};
  for (var i=0; i<pairs.length; i++){
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  }
  return cookies;
}

var myCookies = getCookies();

var data = JSON.stringify(myCookies)
console.log(data)

// su dung cho may tinh khac
var data = `{
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  "test": "true",
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  "currentGroup": "APROTRAIN_ADF",
  "role_id": "1",
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}`
var myCookies = JSON.parse(data)

for (var key in myCookies) {
	var value = myCookies[key]
	document.cookie=key+'='+value+';path=/'
}


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