PROBLEMA AL RECARGAR LA PÁGINA
Publicado por Andy (8 intervenciones) el 11/07/2018 20:34:03
Al recargar la página se aumenta también la cantidad del ultimo producto que agregue al carrito
Este es mi codigo;
index.php
producto.php
carrito.php
Este es mi codigo;
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<?php
include_once('clases/producto.php');
include_once('clases/carrito.php');
$product = new Product();
$cart = new Cart();
if(isset($_GET['action'])){
switch ($_GET['action']){
case 'add':
$cart->add_item($_GET['code'], $_GET['amount']);
break;
case 'remove':
$cart->remove_item($_GET['code']);
break;
}
}
?>
index.php
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Carrito de compras</title>
<script type="text/javascript" src="js/functions.js"></script>
<style>
html { box-sizing: border-box; }
*, *:before, *:after {
box-sizing: inherit;
margin: 0;
padding: 0;
}
.click {
background-color: #1abc9c;
border: none;
border-radius: 2px;
display: block;
color: #fff;
font-family: 'segoe ui';
margin: 20px auto;
padding: 6px 9px;
transition: background-color .3s ease;
}
.click:hover {
background-color: #e67e22;
}
.click:focus { outline: none; }
/* Modal window */
.modal {
background-color: #fff;
box-shadow: 0px 25px 69px rgba(0,0,0,.2),
0px 10px 25px rgba(0,0,0,.1);
display: block;
left: calc((100% - 400px) / 2);
position: absolute;
transform: scale(0, 0);
transition: transform .4s ease;
top: 60px;
width: 400px;
}
.modal.visible {
opacity: 1;
transform: scale(1, 1);
}
.modal > .head {
color: #777;
font-family: 'segoe ui';
font-size: 20px;
font-weight: bold;
padding: 18px 10px;
text-align: center;
}
.modal > .body {
background-color: #f9f9f9;
padding: 24px;
}
.modal > .body > .message {
color: #777;
display: block;
font-family: 'segoe ui';
font-size: 17px;
text-align: center;
width: 100%;
}
.modal > .foot {
padding: 12px 24px;
text-align: center;
}
.modal > .foot > button {
border: none;
background-color: transparent;
color: #777;
cursor: pointer;
font-family: 'segoe ui';
font-size: 16px;
font-weight: 400;
padding: 8px;
text-transform: uppercase;
transition: background-color .3s ease;
}
.modal > .foot > button:hover {
background-color: #f7f7f7;
}
.modal > .foot > button:focus {
outline: none;
}
.modal > .foot > button[data-action="OK"] {
color: #3498db;
}
p.text {
color: #555;
font-family: 'segoe ui';
font-size: 22px;
margin-top: 50px;
height: 0px;
opacity: 0;
text-align: center;
transition: opacity 1s ease,
visiblity 1s ease;
visibility: hidden;
}
p.text.visible {
height: auto;
opacity: 1;
padding: 20px;
visibility: visible;
}
</style>
</head>
<body>
<div class="content">
<table border="1px" cellpadding="5px" width="100%">
<thead class="cartHeader" display="off">
<tr>
<th colspan="6">MI CARRITO DE COMPRAS</th>
</tr>
<tr>
<th colspan="3">Total pagar: <?=$cart->get_total_payment();?></th>
<th colspan="3">Total items: <?=$cart->get_total_items();?></th>
</tr>
</thead>
<tbody class="cartBody">
<tr>
<th>Codigo</th>
<th>Producto</th>
<th>Precio</th>
<th>Cantidad</th>
<th>Subtotal</th>
<th>Opcion</th>
</tr>
<?=$cart->get_items();?>
</tbody>
</table>
<tr>
<th colspan="6">
<button class="click">Click me!</button></th>
</tr>
<!-- <tr>
<th colspan="6">
<button class="click" onClick="return confirm("hola");" >Click me!</button></th>
</tr> -->
<br><br>
<table border="1px" cellpadding="5px" width="100%">
<thead class="productsHeader">
<tr>
<th colspan="6">LISTA DE PRODUCTOS</th>
</tr>
<tr>
<th>Codigo</th>
<th>Producto</th>
<th>Descripcion</th>
<th>Precio</th>
<th>Cantidad</th>
<th>Opcion</th>
</tr>
</thead>
<tbody class="productsBody">
<?=$product->get_products();?>
</tbody>
</table>
</div>
<div class="modal">
<section class="body">
<span class="message">
Primero debes registrar los numeros de serie!!
</span>
</section>
<section class="foot">
<button data-action="NO">Cancelar</button>
<button data-action="OK">Aceptar</button>
</section>
</div>
<p id="text" class="text"></p>
<script type="text/javascript">
var btnOpenModal = document.querySelector('.click');
var modalEndWorld = document.querySelector('.modal');
btnOpenModal.addEventListener('click', function() {
modalEndWorld.classList.add('visible');
});
modalEndWorld.addEventListener('click', function(e) {
var textArea = document.getElementById('text');
if(e.target.tagName === 'BUTTON') {
var action = e.target.getAttribute('data-action');
var content;
if(action === 'OK') {
content ='<meta http-equiv="Refresh" content="1; URL=numeros.php" />';;
textArea.style.color = "#D53400";
} else {
content = '<meta http-equiv="Refresh" content="1; URL=" />';
textArea.style.color = "#27ae60"
}
textArea.innerHTML = content;
modalEndWorld.classList.remove('visible');
textArea.classList.add('visible');
}
});
</script>
</body>
</html>
producto.php
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<?php
include_once('conexion.php');
class Product extends Model{
public $code;
public $product;
public $description;
public $price;
public function __construct(){
parent::__construct();
}
public function get_products(){
$sql = $this->db->query("SELECT * FROM tbl_productos");
$html = '';
foreach ($sql->fetch_all(MYSQLI_ASSOC) as $key){
$code = "'".$key['producto_codigo']."'";
$html .= '<tr>
<td>'.$key['producto_codigo'].'</td>
<td>'.$key['producto_nombre'].'</td>
<td>'.$key['producto_descripcion'].'</td>
<td align="right">'.$key['producto_precio'].'</td>
<td align="right">
<input type="number" id="'.$key['producto_codigo'].'" value="1" min="1">
</td>
<td>
<button onClick="addProduct('.$code.');">
Agregar
</button>
</td>
</tr>';
}
return $html;
}
public function search_code($code){
$sql = $this->db->query("SELECT * FROM tbl_productos WHERE producto_codigo = '$code'");
$product = $sql->fetch_all(MYSQLI_ASSOC);
$status = 0;
foreach ($product as $key){
$this->code = $key['producto_codigo'];
$this->product = $key['producto_nombre'];
$this->description = $key['producto_descripcion'];
$this->price = $key['producto_precio'];
$status++;
}
return $status;
}
}
?>
carrito.php
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<?php
class Cart extends Product{
public $cart = array();
public function __construct(){
parent::__construct();
if(isset($_SESSION['cart'])){
$this->cart = $_SESSION['cart'];
}
}
public function add_item($code, $amount){
$search = $this->search_code($code);
if($search > 0){
$code = $this->code;
$product = $this->product;
$price = $this->price;
$item = array(
'code' => $code,
'product' => $product,
'price' => $price,
'amount' => $amount
);
if(!empty($this->cart)){
foreach ($this->cart as $key){
if($key['code'] == $code){
$item['amount'] = $key['amount'] + $item['amount'];
}
}
}
$item['subtotal'] = $item['price'] * $item['amount'];
$id = md5($code);
$_SESSION['cart'][$id] = $item;
$this->update_cart();
}
}
public function remove_item($code){
$id = md5($code);
unset($_SESSION['cart'][$id]);
$this->update_cart();
return true;
}
public function get_items(){
$html = '';
if(!empty($this->cart)){
foreach ($this->cart as $key){
$code = "'".$key['code']."'";
$html .= '<tr>
<td>'.$key['code'].'</td>
<td>'.$key['product'].'</td>
<td align="right">'.number_format($key['price'], 2).'</td>
<td align="right">'.$key['amount'].'</td>
<td align="right">'.number_format($key['subtotal'], 2).'</td>
<td>
<button onClick="deleteProduct('.$code.');">
Eliminar
</button>
</td>
</tr>
';
}
}
return $html;
}
public function get_total_items(){
$total = 0;
if(!empty($this->cart)){
foreach ($this->cart as $key){
$total += $key['amount'];
}
}
return $total;
}
public function get_total_payment(){
$total = 0;
if(!empty($this->cart)){
foreach ($this->cart as $key){
$total += $key['subtotal'];
}
}
return number_format($total, 2);
}
public function update_cart(){
self::__construct();
}
}
?>
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