NextGenApp/page2.html at feature · yaoshuo114514/NextGenApp · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, initial-scale=1, maximum-scale=1">
    <title>Market-simulator 市场模拟器</title>
    <style>
        body {
            background-color: #f0f7ff;
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 左侧导航栏样式 */
        .sidenav {
            height: 100%;
            width: 200px;
            position: fixed;
            top: 0;
            left: 0;
            background-color: #333;
            padding-top: 20px;
        }

        /* 导航栏中的链接 */
        .sidenav a {
            padding: 15px 20px;
            text-decoration: none;
            font-size: 18px;
            color: white;
            display: block;
        }

        .sidenav a:hover {
            background-color: #575757;
        }

        /* 主体内容 */
        .container {
            margin-left: 220px; /* 给导航栏留出空间 */
            background-color: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
            max-width: 90%;
            width: 100%;
            margin-top: 40px;
        }

        h1 {
            font-size: 2em;
            margin-bottom: 10px;
            color: #333;
        }

        h2 {
            font-size: 1.8em;
            font-weight: bold;
            margin-bottom: 20px;
            color: #333;
        }

        p {
            font-size: 1em;
            margin-bottom: 20px;
            color: #555;
        }

        label {
            font-size: 1em;
            margin-bottom: 5px;
            display: block;
            text-align: left;
            color: #333;
        }

        select {
            width: 100%;
            padding: 10px;
            margin-bottom: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1.1em;
            box-sizing: border-box;
        }

        table {
            border-collapse: collapse;
            width: 100%;
            margin-top: 20px;
        }

        th, td {
            border: 1px solid #000;
            padding: 10px;
            text-align: left;
        }

        th {
            background-color: #f2f2f2;
        }

        .summary {
            margin-top: 10px;
            margin-bottom: 20px;
            font-size: 1.2em;
            padding: 20px;
            background-color: white;
            border-radius: 10px;
        }

        button {
            width: 100%;
            padding: 12px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1.2em;
            cursor: pointer;
            margin-top: 20px;
        }

        button:hover {
            background-color: #45a049;
        }
    </style>
</head>
<body>

    <!-- 左侧导航栏 -->
    <div class="sidenav">
        <a href="index.html">主页</a>
        <a href="#calculator">商品利润对比</a> <!-- 页面内跳转示例 -->
        <a href="page2.html">资源计算器</a>
        <a href="#about">关于</a> <!-- 页面内跳转示例 -->
    </div>

    <!-- 主体内容 -->
    <div class="container" id="calculator">
        <h1>Market-simulator <strong>市场模拟器</strong></h1>
        <hr>
        <p class="description">This page is developed for calculating how many resources should prepare to product, including cost and profit margin information.</p>
        <p class="description">这个页面是为了计算应该准备生产多少资源、成本及利润率而开发的。</p>

        <!-- 一级选项 -->
        <label for="primarySelect">请选择机器：</label>
        <select id="primarySelect" onchange="updateSecondaryOptions()">
            <option value="">--请选择--</option>
            <option value="brewing machinery">酿酒机</option>
            <option value="meat slicer">切肉器</option>
            <option value="oven">烤箱</option>
        </select>

        <!-- 二级选项 -->
        <label for="secondarySelect">请选择商品：</label>
        <select id="secondarySelect">
            <option value="">--请选择--</option>
        </select>

        <!-- 显示结果 -->
        <div id="resultArea"></div>

        <button onclick="calculateResults()">计算</button>
    </div>

    <script>
        // 一级选项对应的二级选项
        const options = {
            "brewing machinery": ["啤酒", "威士忌", "葡萄酒", "香槟"],
            "meat slicer": ["菲力牛排", "香肠", "发酵香肠", "汉堡肉", "条状牛排", "肋眼牛排", "肋排"],
            "oven": ["面包", "曲奇饼干", "姜饼", "派", "椒盐卷饼", "草莓巧克力"]
        };

        // 集中定义所有原材料的购买成本和生产成本
        const materialsInfo = {
            "麦芽": { purchaseCost: 2, productionCost: 1 },
            "酵母": { purchaseCost: 1.5, productionCost: 0.5 },
            "水": { purchaseCost: 0.1, productionCost: 0.05 },
            "谷物": { purchaseCost: 3, productionCost: 1 },
            "牛肉": { purchaseCost: 10, productionCost: 5 },
            "调料": { purchaseCost: 1, productionCost: 0.2 },
            "面粉": { purchaseCost: 2, productionCost: 0.5 },
            "黄油": { purchaseCost: 3, productionCost: 1 },
            "糖": { purchaseCost: 1.2, productionCost: 0.4 }
        };

        // 商品的销售价格、进货价以及生产数量
        const productPrices = {
            "啤酒": { salesPrice: 30, wholesalePrice: 22, productionQuantity: 4 },
            "威士忌": { salesPrice: 50, wholesalePrice: 35, productionQuantity: 3 },
            "菲力牛排": { salesPrice: 80, wholesalePrice: 60, productionQuantity: 2 },
            "面包": { salesPrice: 15, wholesalePrice: 10, productionQuantity: 10 },
            "曲奇饼干": { salesPrice: 25, wholesalePrice: 18, productionQuantity: 8 }
        };

        // 商品对应的原材料及其数量
        const materialsData = {
            "啤酒": [
                { material: "麦芽", quantity: 5 },
                { material: "酵母", quantity: 1 },
                { material: "水", quantity: 10 }
            ],
            "威士忌": [
                { material: "谷物", quantity: 7 },
                { material: "酵母", quantity: 2 },
                { material: "水", quantity: 8 }
            ],
            "菲力牛排": [
                { material: "牛肉", quantity: 1 },
                { material: "调料", quantity: 0.1 }
            ],
            "面包": [
                { material: "面粉", quantity: 3 },
                { material: "酵母", quantity: 1 },
                { material: "水", quantity: 2 }
            ],
            "曲奇饼干": [
                { material: "面粉", quantity: 2 },
                { material: "黄油", quantity: 1 },
                { material: "糖", quantity: 0.5 }
            ]
        };

        // 更新二级选项
        function updateSecondaryOptions() {
            var primarySelect = document.getElementById("primarySelect");
            var secondarySelect = document.getElementById("secondarySelect");
            var selectedValue = primarySelect.value;

            // 清空二级选项
            secondarySelect.innerHTML = '<option value="">--请选择--</option>';

            // 如果有对应的二级选项数据，则更新二级下拉框
            if (selectedValue && options[selectedValue]) {
                var subOptions = options[selectedValue];
                subOptions.forEach(function(option) {
                    var newOption = document.createElement("option");
                    newOption.value = option;
                    newOption.text = option;
                    secondarySelect.appendChild(newOption);
                });
            }
        }

        // 显示选定商品的原材料、数量、成本、利润率信息
        function calculateResults() {
            var selectedProduct = document.getElementById('secondarySelect').value;
            var resultArea = document.getElementById('resultArea');

            // 清空之前的结果
            resultArea.innerHTML = "";

            // 检查是否有该商品的原材料数据和销售价格
            if (selectedProduct && materialsData[selectedProduct] && productPrices[selectedProduct]) {
                var salesPrice = productPrices[selectedProduct].salesPrice;
                var wholesalePrice = productPrices[selectedProduct].wholesalePrice;
                var productionQuantity = productPrices[selectedProduct].productionQuantity;

                // 生产每个商品所需的总成本
                let totalProductionCost = 0;
                let totalPurchaseCost = 0; // 用于进货模式计算

                // 遍历原材料数据，计算生产成本和购买成本
                materialsData[selectedProduct].forEach(function(item) {
                    var material = item.material;
                    var quantity = item.quantity;
                    var productionCost = materialsInfo[material].productionCost * quantity;
                    var purchaseCost = materialsInfo[material].purchaseCost * quantity;

                    totalProductionCost += productionCost;
                    totalPurchaseCost += purchaseCost;
                });

                // 由于每次生产生成指定数量的商品，因此生产成本除以生产数量
                let costPerProductProduction = totalProductionCost / productionQuantity;
                let costPerProductPurchase = totalPurchaseCost;  // 进货模式每次仅进货一个商品

                // 计算利润率
                var productionProfitMargin = ((salesPrice - costPerProductProduction) / salesPrice * 100).toFixed(2);
                var purchaseProfitMargin = ((salesPrice - costPerProductPurchase) / salesPrice * 100).toFixed(2);
                var wholesaleProfitMargin = ((salesPrice - wholesalePrice) / salesPrice * 100).toFixed(2);

                // 创建表格来显示原材料、数量、生产成本和进货成本
                var tableHTML = "<h2>商品：" + selectedProduct + " 所需原材料及成本</h2>";
                tableHTML += "<table><tr><th>原材料</th><th>数量</th><th>生产成本</th><th>进货成本</th></tr>";

                // 遍历原材料并插入表格
                materialsData[selectedProduct].forEach(function(item) {
                    var material = item.material;
                    var quantity = item.quantity;
                    var productionCost = materialsInfo[material].productionCost * quantity;
                    var purchaseCost = materialsInfo[material].purchaseCost * quantity;
                    tableHTML += "<tr><td>" + material + "</td><td>" + quantity + "</td><td>¥" + productionCost.toFixed(2) + "</td><td>¥" + purchaseCost.toFixed(2) + "</td></tr>";
                });

                tableHTML += "<tr><th colspan='2'>总计</th><th>¥" + totalProductionCost.toFixed(2) + "</th><th>¥" + totalPurchaseCost.toFixed(2) + "</th></tr>";
                tableHTML += "</table>";

                // 显示销售价格和利润率信息，分为生产模式和进货模式
                var summaryHTML = "<div class='summary summary-1'><strong>销售价格：</strong>¥" + salesPrice.toFixed(2) + "<br>";
                summaryHTML += "<strong>直接进货价：</strong>¥" + wholesalePrice.toFixed(2) + "</div><hr>";

                summaryHTML += "<div class='summary summary-2'><h3>生产模式</h3>";
                summaryHTML += "<strong>基于生产模式的成本（每个商品）：</strong>¥" + costPerProductProduction.toFixed(2) + "<br>";
                summaryHTML += "<strong>基于生产模式的利润率：</strong>" + productionProfitMargin + "%</div><hr>";

                summaryHTML += "<div class='summary summary-3'><h3>进货模式</h3>";
                summaryHTML += "<strong>基于进货模式的原材料成本（每个商品）：</strong>¥" + costPerProductPurchase.toFixed(2) + "<br>";
                summaryHTML += "<strong>基于原材料进货的利润率：</strong>" + purchaseProfitMargin + "%<br>";
                summaryHTML += "<strong>基于直接进货的利润率：</strong>" + wholesaleProfitMargin + "%</div>";

                // 将表格和总结部分插入到页面中
                resultArea.innerHTML = tableHTML + summaryHTML;
            } else {
                resultArea.innerHTML = "<p>没有找到该商品的原材料数据或销售价格。</p>";
            }
        }
    </script>

</body>
</html>