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inventory_operation.php.bak
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<?php
session_start();
require_once 'config.php';
require_once 'auth.php';
requireLogin();
$user_id = getCurrentUserId();
$message = '';
function processOperation($conn, $user_id, $barcode, $quantity, $operation) {
if (!is_numeric($quantity) || $quantity <= 0) {
return [
"success" => false,
"message" => "數量必須為正數",
"barcode" => $barcode
];
}
$quantity = (int)$quantity;
$conn->begin_transaction();
try {
$stmt = $conn->prepare("SELECT id, name, stock FROM products WHERE barcode = ? AND user_id = ? FOR UPDATE");
$stmt->bind_param("si", $barcode, $user_id);
$stmt->execute();
$result = $stmt->get_result();
if ($result->num_rows === 0) {
$conn->rollback();
return [
"success" => false,
"message" => "找不到該商品",
"barcode" => $barcode
];
}
$product = $result->fetch_assoc();
$new_stock = $operation === 'in' ? $product['stock'] + $quantity : $product['stock'] - $quantity;
if ($new_stock > 1000000) {
$conn->rollback();
return [
"success" => false,
"message" => "超過最大庫存限制",
"name" => $product['name'],
"currentStock" => $product['stock'],
"barcode" => $barcode
];
}
if ($new_stock < 0) {
$conn->rollback();
return [
"success" => false,
"message" => "庫存不足",
"name" => $product['name'],
"currentStock" => $product['stock'],
"barcode" => $barcode
];
}
$stmt = $conn->prepare("UPDATE products SET stock = ? WHERE id = ? AND user_id = ?");
$stmt->bind_param("iii", $new_stock, $product['id'], $user_id);
$stmt->execute();
$stmt = $conn->prepare("INSERT INTO inventory_operations (product_id, operation_type, quantity, user_id) VALUES (?, ?, ?, ?)");
$stmt->bind_param("isii", $product['id'], $operation, $quantity, $user_id);
$stmt->execute();
$conn->commit();
error_log("用戶 {$user_id} 對商品 {$product['name']} (ID: {$product['id']}) 進行了 {$operation} 操作，數量: {$quantity}，新庫存: {$new_stock}");
return [
"success" => true,
"name" => $product['name'],
"quantityChange" => $operation === 'in' ? $quantity : -$quantity,
"oldStock" => $product['stock'],
"newStock" => $new_stock,
"barcode" => $barcode
];
} catch (Exception $e) {
$conn->rollback();
error_log("操作失敗: " . $e->getMessage());
return [
"success" => false,
"message" => "操作失敗，請稍後再試。錯誤: " . $e->getMessage(),
"barcode" => $barcode
];
}
}
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$mode = $_POST['mode'];
$operation = $_POST['operation'];
if ($mode == '1' || $mode == '2') {
$barcode = $_POST['barcode'];
$quantity = $mode == '1' ? intval($_POST['quantity']) : 1;
if (empty($barcode)) {
$message = ["success" => false, "message" => "請輸入商品條碼"];
} else {
$message = processOperation($conn, $user_id, $barcode, $quantity, $operation);
}
if (isset($_POST['ajax']) && $_POST['ajax'] === 'true') {
echo json_encode($message);
exit;
}
} elseif ($mode == '3') {
$barcodes = explode("\n", $_POST['barcodes']);
$results = [];
foreach ($barcodes as $barcode) {
$barcode = trim($barcode);
if (!empty($barcode)) {
$results[] = processOperation($conn, $user_id, $barcode, 1, $operation);
}
}
$message = $results;
}
}
?>
<!DOCTYPE html>
<html lang="zh-TW">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>入庫/出庫 - 庫存管理系統</title>
<link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet">
<style>
.scan-result-item {
transition: all 0.3s ease;
}
.scan-result-item:first-child {
animation: highlight 2s ease;
}
@keyframes highlight {
0% { background-color: #fecaca; }
100% { background-color: transparent; }
}
</style>
</head>
<body class="bg-gray-100">
<nav class="bg-white shadow-lg">
<div class="max-w-6xl mx-auto px-4">
<div class="flex justify-between">
<div class="flex space-x-7">
<div>
<a href="index.php" class="flex items-center py-4 px-2">
<span class="font-semibold text-gray-500 text-lg">庫存管理系統</span>
</a>
</div>
</div>
<div class="hidden md:flex items-center space-x-3">
<a href="product_list.php" class="py-2 px-2 font-medium text-gray-500 rounded hover:bg-green-500 hover:text-white transition duration-300">商品列表</a>
<a href="inventory_operation.php" class="py-2 px-2 font-medium text-white bg-green-500 rounded hover:bg-green-400 transition duration-300">入庫/出庫</a>
<a href="logout.php" class="py-2 px-2 font-medium text-gray-500 rounded hover:bg-red-500 hover:text-white transition duration-300">登出</a>
</div>
</div>
</div>
</nav>
<div class="container mx-auto p-6">
<h1 class="text-3xl font-bold mb-4">入庫/出庫操作</h1>
<div class="bg-white shadow-md rounded px-8 pt-6 pb-8 mb-4">
<form id="operationForm" method="POST">
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="mode">
選擇操作模式
</label>
<select id="mode" name="mode" class="shadow border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" onchange="changeMode()">
<option value="1">模式一：一件多入</option>
<option value="2">模式二：一件一入</option>
<option value="3">模式三：批量條碼入庫</option>
</select>
</div>
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2">
操作類型
</label>
<div class="mt-2">
<label class="inline-flex items-center">
<input type="radio" class="form-radio" name="operation" value="in" checked>
<span class="ml-2">入庫</span>
</label>
<label class="inline-flex items-center ml-6">
<input type="radio" class="form-radio" name="operation" value="out">
<span class="ml-2">出庫</span>
</label>
</div>
</div>
<div id="mode1" class="mode-content">
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="barcode">
商品條碼
</label>
<input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" id="barcode" name="barcode" type="text">
</div>
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="quantity">
數量
</label>
<input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" id="quantity" name="quantity" type="number" min="1" value="1">
</div>
</div>
<div id="mode2" class="mode-content" style="display:none;">
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="barcode2">
商品條碼
</label>
<input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" id="barcode2" name="barcode" type="text">
</div>
<div class="mb-4">
<label class="inline-flex items-center">
<input type="checkbox" class="form-checkbox" id="ttsEnabled" checked>
<span class="ml-2">啟用文字轉語音</span>
</label>
</div>
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="ttsRate">
語音速度 (0.1 - 10)
</label>
<input type="number" id="ttsRate" min="0.1" max="10" step="0.1" value="1" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline">
</div>
<div class="mb-4">
<button type="button" id="testTTS" class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline">
測試語音
</button>
</div>
</div>
<div id="mode3" class="mode-content" style="display:none;">
<div class="mb-4">
<label class="block text-gray-700 text-sm font-bold mb-2" for="barcodes">
批量條碼（每行一個）
</label>
<textarea class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" id="barcodes" name="barcodes" rows="5"></textarea>
</div>
</div>
<div class="flex items-center justify-between">
<button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline" type="submit">
執行操作
</button>
</div>
</form>
</div>
<div id="scanResults" class="bg-white shadow-md rounded px-8 py-6">
<h2 class="text-2xl font-bold mb-4">掃描結果</h2>
<div id="scanResultsList"></div>
</div>
</div>
<script>
function changeMode() {
var mode = document.getElementById('mode').value;
var modeContents = document.querySelectorAll('.mode-content');
var form = document.getElementById('operationForm');
modeContents.forEach(function(content) {
content.style.display = 'none';
var inputs = content.querySelectorAll('input, textarea');
inputs.forEach(function(input) {
input.disabled = true;
input.required = false;
});
});
var activeContent = document.getElementById('mode' + mode);
activeContent.style.display = 'block';
var activeInputs = activeContent.querySelectorAll('input, textarea');
activeInputs.forEach(function(input) {
input.disabled = false;
input.required = true;
});
if (mode === '1') {
document.getElementById('quantity').required = true;
}
}
function speak(text, rate = 1) {
if ("speechSynthesis" in window) {
speechSynthesis.cancel(); // 取消之前的語音
const utterance = new SpeechSynthesisUtterance(text);
utterance.lang = "zh-TW";
utterance.rate = rate;
speechSynthesis.speak(utterance);
}
}
function addScanResult(result) {
var resultsList = document.getElementById('scanResultsList');
var resultItem = document.createElement('div');
resultItem.className = 'scan-result-item mb-2 p-2 border rounded';
if (result.success) {
resultItem.innerHTML = `
<p><strong>商品:</strong> ${result.name}</p>
<p><strong>變更庫存:</strong> ${result.quantityChange}</p>
<p><strong>原本庫存:</strong> ${result.oldStock}</p>
<p><strong>總庫存:</strong> ${result.newStock}</p>
<p><strong>條碼:</strong> ${result.barcode}</p>
`;
} else {
resultItem.className += ' bg-red-500 text-white';
resultItem.innerHTML = `
<p><strong>未找到商品</strong></p>
<p><strong>掃描條碼:</strong> ${result.barcode}</p>
<button onclick="addNewProduct('${result.barcode}')" class="mt-2 bg-blue-500 hover:bg-blue-700 text-white font-bold py-1 px-2 rounded">
新增商品
</button>
`;
}
resultsList.insertBefore(resultItem, resultsList.firstChild);
}
function addNewProduct(barcode) {
window.open(`add_product.php?barcode=${encodeURIComponent(barcode)}`, '_blank');
}
function submitForm(e) {
e.preventDefault();
var mode = document.getElementById('mode').value;
var form = document.getElementById('operationForm');
var formData = new FormData(form);
if (mode === '2') {
formData.append('ajax', 'true');
fetch('inventory_operation.php', {
method: 'POST',
body: formData
})
.then(response => response.json())
.then(data => {
addScanResult(data);
if (document.getElementById('ttsEnabled').checked) {
const rate = parseFloat(document.getElementById('ttsRate').value);
if (data.success) {
speak(`${data.name}, 新庫存 ${data.newStock}`, rate);
} else {
speak(data.message, rate);
}
}
document.getElementById('barcode2').value = '';
document.getElementById('barcode2').focus();
})
.catch(error => {
console.error('Error:', error);
alert('操作失敗，請稍後再試');
});
} else {
form.submit();
}
}
// 初始化模式
changeMode();
// 為模式二添加回車鍵提交功能
document.getElementById('barcode2').addEventListener('keypress', function(e) {
if (e.key === 'Enter') {
e.preventDefault();
submitForm(e);
}
});
// 監聽模式變更
document.getElementById('mode').addEventListener('change', changeMode);
// 表單提交
document.getElementById('operationForm').addEventListener('submit', submitForm);
// 測試語音按鈕
document.getElementById('testTTS').addEventListener('click', function() {
const rate = parseFloat(document.getElementById('ttsRate').value);
speak("這是一個測試語音", rate);
});
// 初始聚焦到適當的輸入欄位
window.onload = function() {
var mode = document.getElementById('mode').value;
if (mode === '1') {
document.getElementById('barcode').focus();
} else if (mode === '2') {
document.getElementById('barcode2').focus();
} else if (mode === '3') {
document.getElementById('barcodes').focus();
}
};
<?php
if (!empty($message)) {
if (is_array($message) && isset($message[0])) {
// 批量處理結果
echo "var results = " . json_encode($message) . ";";
echo "results.forEach(function(result) { addScanResult(result); });";
} else {
// 單個處理結果
echo "addScanResult(" . json_encode($message) . ");";
}
}
?>
</script>
</body>
</html>