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<?php
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$host = "localhost";
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$user = "root";
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$password = "";
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$database = "samochody";
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$conn = new mysqli($host, $user, $password, $database);
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if ($conn->connect_error) {
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die("Connection failed: " . $conn->connect_error);
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}
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$sql = "SELECT * FROM paliwa";
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$result = $conn->query($sql);
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$data = [];
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if ($result->num_rows > 0) {
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while ($row = $result->fetch_assoc()) {
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$data[] = $row;
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}
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}
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header('Content-Type: application/json');
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echo json_encode($data);
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$conn->close();
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?>
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async function oblicz() {
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const rodzaj = document.getElementById("rodzaj").value;
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const ilosc = document.getElementById("ilosc").value;
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if (!rodzaj || !ilosc) {
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document.getElementById("wynik").textContent = "Proszę podać rodzaj paliwa i ilość.";
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return;
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}
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try {
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const response = await fetch("get.php");
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const data = await response.json();
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let cena = 0;
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if (rodzaj == 1) {
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cena = data.find(item => item.rodzaj.trim() === "benzyna")?.cena || 0;
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} else if (rodzaj == 2) {
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cena = data.find(item => item.rodzaj.trim() === "olej_napędowy")?.cena || 0;
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}
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if (cena > 0) {
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const koszt = ilosc * cena;
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document.getElementById("wynik").textContent = `Koszt paliwa: ${koszt.toFixed(2)} ZŁ`;
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} else {
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document.getElementById("wynik").textContent = "Nie znaleziono wybranego rodzaju paliwa.";
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}
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} catch (error) {
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document.getElementById("wynik").textContent = "Błąd pobierania danych.";
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console.error("Error:", error);
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}
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}
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* {
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font-family: Cambria;
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text-align: center;
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}
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header, footer {
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background-color: rgb(120, 0, 46);
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color: white;
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padding: 5px;
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font-size: 150%;
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clear: both;
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}
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nav {
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background-color: rgb(173, 20, 87);
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text-align: center;
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}
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#lewy {
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background-color: snow;
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color: olivedrab;
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width: 60%;
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height: 322px;
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text-align: center;
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float: left;
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}
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#prawy {
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background-color: rgb(173, 20, 87);
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width: 40%;
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height: 322px;
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float: left;
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}
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#samochod {
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margin: 40px;
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padding: 10px;
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}
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#samochod:hover {
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border: 1px dotted yellowgreen;
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}
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a {
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padding: 0 50px;
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color: yellowgreen;
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}
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table, td {
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border: solid 1px olivedrab;
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}
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table {
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width: 90%;
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}
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