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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>饮食追踪器</title>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.8/dist/chart.umd.min.js"></script>
<script>
tailwind.config = {
theme: {
extend: {
colors: {
primary: '#4ade80',
secondary: '#f97316',
neutral: '#f3f4f6',
dark: '#1f2937'
},
fontFamily: {
inter: ['Inter', 'system-ui', 'sans-serif'],
},
}
}
}
</script>
<style type="text/tailwindcss">
@layer utilities {
.content-auto {
content-visibility: auto;
}
.card-shadow {
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.input-focus {
@apply focus:ring-2 focus:ring-primary/50 focus:border-primary focus:outline-none;
}
.btn-hover {
@apply hover:shadow-lg transform hover:-translate-y-0.5 transition-all duration-300;
}
}
</style>
</head>
<body class="font-inter bg-gray-50 min-h-screen flex flex-col">
<!-- 导航栏 -->
<header class="bg-white shadow-md sticky top-0 z-10 transition-all duration-300">
<div class="container mx-auto px-4 py-4 flex justify-between items-center">
<div class="flex items-center space-x-2">
<i class="fa fa-cutlery text-primary text-2xl"></i>
<h1 class="text-xl md:text-2xl font-bold text-dark">饮食追踪器</h1>
</div>
<div class="flex items-center space-x-4">
<button id="toggleTheme" class="p-2 rounded-full hover:bg-gray-100 transition-colors duration-200">
<i class="fa fa-moon-o text-dark"></i>
</button>
<button id="exportData" class="bg-primary hover:bg-primary/90 text-white px-4 py-2 rounded-lg shadow btn-hover flex items-center">
<i class="fa fa-download mr-2"></i>导出数据
</button>
</div>
</div>
</header>
<!-- 主要内容区 -->
<main class="flex-grow container mx-auto px-4 py-8">
<div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
<!-- 左侧：添加饮食记录表单 -->
<div class="lg:col-span-1">
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl">
<h2 class="text-xl font-bold mb-6 flex items-center">
<i class="fa fa-plus-circle text-primary mr-2"></i>添加饮食记录
</h2>
<form id="addFoodForm" class="space-y-4">
<div>
<label for="foodName" class="block text-sm font-medium text-gray-700 mb-1">食物名称</label>
<input type="text" id="foodName" name="foodName" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div>
<label for="calories" class="block text-sm font-medium text-gray-700 mb-1">卡路里 (千卡)</label>
<input type="number" id="calories" name="calories" min="0" step="0.1" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div>
<label for="protein" class="block text-sm font-medium text-gray-700 mb-1">蛋白质 (克)</label>
<input type="number" id="protein" name="protein" min="0" step="0.1" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div>
<label for="carbs" class="block text-sm font-medium text-gray-700 mb-1">碳水化合物 (克)</label>
<input type="number" id="carbs" name="carbs" min="0" step="0.1" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div>
<label for="fat" class="block text-sm font-medium text-gray-700 mb-1">脂肪 (克)</label>
<input type="number" id="fat" name="fat" min="0" step="0.1" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div>
<label for="mealType" class="block text-sm font-medium text-gray-700 mb-1">餐次</label>
<select id="mealType" name="mealType" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
<option value="早餐">早餐</option>
<option value="午餐">午餐</option>
<option value="晚餐">晚餐</option>
<option value="零食">零食</option>
</select>
</div>
<div>
<label for="date" class="block text-sm font-medium text-gray-700 mb-1">日期</label>
<input type="date" id="date" name="date" required
class="w-full px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<div class="pt-2">
<button type="submit" id="addFoodBtn"
class="w-full bg-primary hover:bg-primary/90 text-white font-medium py-3 px-4 rounded-lg shadow btn-hover flex items-center justify-center">
<i class="fa fa-plus mr-2"></i>添加记录
</button>
</div>
</form>
</div>
</div>
<!-- 右侧：饮食记录列表和统计信息 -->
<div class="lg:col-span-2 space-y-8">
<!-- 统计信息卡片 -->
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl border-l-4 border-primary">
<div class="flex justify-between items-start">
<div>
<p class="text-sm font-medium text-gray-500">总卡路里</p>
<h3 id="totalCalories" class="text-2xl font-bold text-dark mt-1">0 千卡</h3>
</div>
<div class="bg-primary/10 p-3 rounded-full">
<i class="fa fa-fire text-primary text-xl"></i>
</div>
</div>
<div class="mt-4 text-xs text-gray-500">
<i class="fa fa-clock-o mr-1"></i>今日摄入
</div>
</div>
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl border-l-4 border-blue-500">
<div class="flex justify-between items-start">
<div>
<p class="text-sm font-medium text-gray-500">蛋白质</p>
<h3 id="totalProtein" class="text-2xl font-bold text-dark mt-1">0 克</h3>
</div>
<div class="bg-blue-500/10 p-3 rounded-full">
<i class="fa fa-drumstick-bite text-blue-500 text-xl"></i>
</div>
</div>
<div class="mt-4 text-xs text-gray-500">
<i class="fa fa-clock-o mr-1"></i>今日摄入
</div>
</div>
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl border-l-4 border-yellow-500">
<div class="flex justify-between items-start">
<div>
<p class="text-sm font-medium text-gray-500">碳水化合物</p>
<h3 id="totalCarbs" class="text-2xl font-bold text-dark mt-1">0 克</h3>
</div>
<div class="bg-yellow-500/10 p-3 rounded-full">
<i class="fa fa-bread-slice text-yellow-500 text-xl"></i>
</div>
</div>
<div class="mt-4 text-xs text-gray-500">
<i class="fa fa-clock-o mr-1"></i>今日摄入
</div>
</div>
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl border-l-4 border-red-500">
<div class="flex justify-between items-start">
<div>
<p class="text-sm font-medium text-gray-500">脂肪</p>
<h3 id="totalFat" class="text-2xl font-bold text-dark mt-1">0 克</h3>
</div>
<div class="bg-red-500/10 p-3 rounded-full">
<i class="fa fa-bacon text-red-500 text-xl"></i>
</div>
</div>
<div class="mt-4 text-xs text-gray-500">
<i class="fa fa-clock-o mr-1"></i>今日摄入
</div>
</div>
</div>
<!-- 营养成分图表 -->
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl">
<h2 class="text-xl font-bold mb-6 flex items-center">
<i class="fa fa-pie-chart text-primary mr-2"></i>营养成分分布
</h2>
<div class="h-64">
<canvas id="nutritionChart"></canvas>
</div>
</div>
<!-- 饮食记录列表 -->
<div class="bg-white rounded-xl p-6 card-shadow transition-all duration-300 hover:shadow-xl">
<div class="flex justify-between items-center mb-6">
<h2 class="text-xl font-bold flex items-center">
<i class="fa fa-list-alt text-primary mr-2"></i>饮食记录
</h2>
<div class="flex space-x-2">
<div class="relative">
<input type="date" id="filterDate"
class="px-4 py-2 border border-gray-300 rounded-lg input-focus transition-colors duration-200">
</div>
<button id="clearAll" class="bg-red-500 hover:bg-red-600 text-white px-4 py-2 rounded-lg shadow btn-hover flex items-center">
<i class="fa fa-trash mr-2"></i>清空记录
</button>
</div>
</div>
<div class="overflow-x-auto">
<table class="min-w-full divide-y divide-gray-200">
<thead class="bg-gray-50">
<tr>
<th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">食物名称</th>
<th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">卡路里</th>
<th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">餐次</th>
<th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">日期</th>
<th scope="col" class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">操作</th>
</tr>
</thead>
<tbody id="foodList" class="bg-white divide-y divide-gray-200">
<!-- 记录将通过 JavaScript 动态添加 -->
<tr class="text-center">
<td colspan="5" class="px-6 py-12 text-gray-500">
<div class="flex flex-col items-center">
<i class="fa fa-cutlery text-4xl text-gray-300 mb-4"></i>
<p>暂无饮食记录</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="pagination" class="mt-4 flex justify-between items-center">
<div class="text-sm text-gray-500">
显示 <span id="startRange">0</span>-<span id="endRange">0</span> 条，共 <span id="totalItems">0</span> 条
</div>
<div class="flex space-x-1">
<button id="prevPage" class="px-3 py-1 border border-gray-300 rounded hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed" disabled>
<i class="fa fa-chevron-left"></i>
</button>
<span id="currentPage">1</span>
<button id="nextPage" class="px-3 py-1 border border-gray-300 rounded hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed" disabled>
<i class="fa fa-chevron-right"></i>
</button>
</div>
</div>
</div>
</div>
</div>
</main>
<!-- 页脚 -->
<footer class="bg-white border-t border-gray-200 mt-8">
<div class="container mx-auto px-4 py-6">
<div class="flex flex-col md:flex-row justify-between items-center">
<div class="mb-4 md:mb-0">
<p class="text-gray-500 text-sm">© 2025 饮食追踪器. 健康生活从记录开始.</p>
</div>
<div class="flex space-x-6">
<a href="#" class="text-gray-400 hover:text-primary transition-colors duration-200">
<i class="fa fa-github text-xl"></i>
</a>
<a href="#" class="text-gray-400 hover:text-primary transition-colors duration-200">
<i class="fa fa-twitter text-xl"></i>
</a>
<a href="#" class="text-gray-400 hover:text-primary transition-colors duration-200">
<i class="fa fa-instagram text-xl"></i>
</a>
</div>
</div>
</div>
</footer>
<!-- 详情模态框 -->
<div id="detailModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
<div class="bg-white rounded-xl p-6 max-w-md w-full mx-4 transform transition-all duration-300 scale-95 opacity-0" id="modalContent">
<div class="flex justify-between items-center mb-4">
<h3 class="text-lg font-bold text-dark" id="modalTitle">食物详情</h3>
<button id="closeModal" class="text-gray-400 hover:text-gray-500">
<i class="fa fa-times text-xl"></i>
</button>
</div>
<div class="space-y-4">
<div class="grid grid-cols-2 gap-4">
<div>
<p class="text-sm font-medium text-gray-500">食物名称</p>
<p id="modalFoodName" class="font-semibold"></p>
</div>
<div>
<p class="text-sm font-medium text-gray-500">卡路里</p>
<p id="modalCalories" class="font-semibold"></p>
</div>
</div>
<div class="grid grid-cols-3 gap-4">
<div>
<p class="text-sm font-medium text-gray-500">蛋白质</p>
<p id="modalProtein" class="font-semibold"></p>
</div>
<div>
<p class="text-sm font-medium text-gray-500">碳水化合物</p>
<p id="modalCarbs" class="font-semibold"></p>
</div>
<div>
<p class="text-sm font-medium text-gray-500">脂肪</p>
<p id="modalFat" class="font-semibold"></p>
</div>
</div>
<div class="grid grid-cols-2 gap-4">
<div>
<p class="text-sm font-medium text-gray-500">餐次</p>
<p id="modalMealType" class="font-semibold"></p>
</div>
<div>
<p class="text-sm font-medium text-gray-500">日期</p>
<p id="modalDate" class="font-semibold"></p>
</div>
</div>
<div class="mt-6">
<h4 class="text-sm font-medium text-gray-500 mb-2">营养成分</h4>
<div class="space-y-3">
<div>
<div class="flex justify-between mb-1">
<span class="text-xs font-medium text-gray-700">蛋白质</span>
<span id="proteinPercent" class="text-xs font-medium text-gray-700">0%</span>
</div>
<div class="w-full bg-gray-200 rounded-full h-2">
<div id="proteinBar" class="bg-blue-500 h-2 rounded-full" style="width: 0%"></div>
</div>
</div>
<div>
<div class="flex justify-between mb-1">
<span class="text-xs font-medium text-gray-700">碳水化合物</span>
<span id="carbsPercent" class="text-xs font-medium text-gray-700">0%</span>
</div>
<div class="w-full bg-gray-200 rounded-full h-2">
<div id="carbsBar" class="bg-yellow-500 h-2 rounded-full" style="width: 0%"></div>
</div>
</div>
<div>
<div class="flex justify-between mb-1">
<span class="text-xs font-medium text-gray-700">脂肪</span>
<span id="fatPercent" class="text-xs font-medium text-gray-700">0%</span>
</div>
<div class="w-full bg-gray-200 rounded-full h-2">
<div id="fatBar" class="bg-red-500 h-2 rounded-full" style="width: 0%"></div>
</div>
</div>
</div>
</div>
</div>
<div class="mt-6 flex justify-end">
<button id="closeModalBtn" class="px-4 py-2 bg-gray-200 hover:bg-gray-300 text-gray-800 rounded-lg transition-colors duration-200">
关闭
</button>
</div>
</div>
</div>
<!-- 删除确认模态框 -->
<div id="deleteModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
<div class="bg-white rounded-xl p-6 max-w-md w-full mx-4 transform transition-all duration-300 scale-95 opacity-0" id="deleteModalContent">
<div class="text-center mb-4">
<div class="inline-flex items-center justify-center w-12 h-12 rounded-full bg-red-100 mb-4">
<i class="fa fa-exclamation-triangle text-red-500 text-xl"></i>
</div>
<h3 class="text-lg font-bold text-dark">确认删除</h3>
<p class="text-gray-500 mt-2">你确定要删除这条饮食记录吗？此操作无法撤销。</p>
</div>
<div class="flex justify-center space-x-4 mt-6">
<button id="cancelDelete" class="px-4 py-2 bg-gray-200 hover:bg-gray-300 text-gray-800 rounded-lg transition-colors duration-200">
取消
</button>
<button id="confirmDelete" class="px-4 py-2 bg-red-500 hover:bg-red-600 text-white rounded-lg transition-colors duration-200">
确认删除
</button>
</div>
</div>
</div>
<!-- 清空确认模态框 -->
<div id="clearAllModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
<div class="bg-white rounded-xl p-6 max-w-md w-full mx-4 transform transition-all duration-300 scale-95 opacity-0" id="clearAllModalContent">
<div class="text-center mb-4">
<div class="inline-flex items-center justify-center w-12 h-12 rounded-full bg-red-100 mb-4">
<i class="fa fa-trash text-red-500 text-xl"></i>
</div>
<h3 class="text-lg font-bold text-dark">确认清空</h3>
<p class="text-gray-500 mt-2">你确定要清空所有饮食记录吗？此操作无法撤销。</p>
</div>
<div class="flex justify-center space-x-4 mt-6">
<button id="cancelClearAll" class="px-4 py-2 bg-gray-200 hover:bg-gray-300 text-gray-800 rounded-lg transition-colors duration-200">
取消
</button>
<button id="confirmClearAll" class="px-4 py-2 bg-red-500 hover:bg-red-600 text-white rounded-lg transition-colors duration-200">
确认清空
</button>
</div>
</div>
</div>
<script>
// 初始化日期为今天
document.getElementById('date').valueAsDate = new Date();
document.getElementById('filterDate').valueAsDate = new Date();
// 存储当前选中的记录ID
let selectedRecordId = null;
// 当前页码
let currentPage = 1;
// 每页显示数量
const itemsPerPage = 5;
// 当前过滤日期
let currentFilterDate = new Date().toISOString().split('T')[0];
// 从Cookie获取饮食记录
function getFoodRecords() {
const cookieValue = document.cookie
.split('; ')
.find(row => row.startsWith('foodRecords='));
return cookieValue ? JSON.parse(decodeURIComponent(cookieValue.split('=')[1])) : [];
}
// 保存饮食记录到Cookie
function saveFoodRecords(records) {
const cookieValue = encodeURIComponent(JSON.stringify(records));
// 保存1年
const expirationDate = new Date();
expirationDate.setFullYear(expirationDate.getFullYear() + 1);
document.cookie = `foodRecords=${cookieValue}; expires=${expirationDate.toUTCString()}; path=/`;
}
// 添加新的饮食记录
document.getElementById('addFoodForm').addEventListener('submit', function(e) {
e.preventDefault();
const foodName = document.getElementById('foodName').value;
const calories = parseFloat(document.getElementById('calories').value);
const protein = parseFloat(document.getElementById('protein').value);
const carbs = parseFloat(document.getElementById('carbs').value);
const fat = parseFloat(document.getElementById('fat').value);
const mealType = document.getElementById('mealType').value;
const date = document.getElementById('date').value;
const newRecord = {
id: Date.now().toString(), // 使用时间戳作为唯一ID
foodName,
calories,
protein,
carbs,
fat,
mealType,
date
};
const records = getFoodRecords();
records.push(newRecord);
saveFoodRecords(records);
// 重置表单
document.getElementById('addFoodForm').reset();
document.getElementById('date').valueAsDate = new Date();
// 更新列表和统计信息
updateFoodList();
updateStatistics();
updateChart();
// 显示成功提示
showNotification('饮食记录已添加成功！', 'success');
});
// 删除饮食记录
function deleteFoodRecord(id) {
const records = getFoodRecords();
const updatedRecords = records.filter(record => record.id !== id);
saveFoodRecords(updatedRecords);
// 更新列表和统计信息
updateFoodList();
updateStatistics();
updateChart();
// 关闭模态框
closeDeleteModal();
// 显示成功提示
showNotification('饮食记录已删除！', 'success');
}
// 清空所有记录
function clearAllRecords() {
saveFoodRecords([]);
// 更新列表和统计信息
updateFoodList();
updateStatistics();
updateChart();
// 关闭模态框
closeClearAllModal();
// 显示成功提示
showNotification('所有饮食记录已清空！', 'success');
}
// 按日期过滤记录
document.getElementById('filterDate').addEventListener('change', function() {
currentFilterDate = this.value;
currentPage = 1; // 重置页码
updateFoodList();
updateStatistics();
updateChart();
});
// 上一页
document.getElementById('prevPage').addEventListener('click', function() {
if (currentPage > 1) {
currentPage--;
updateFoodList();
}
});
// 下一页
document.getElementById('nextPage').addEventListener('click', function() {
const records = getFilteredRecords();
const totalPages = Math.ceil(records.length / itemsPerPage);
if (currentPage < totalPages) {
currentPage++;
updateFoodList();
}
});
// 获取过滤后的记录
function getFilteredRecords() {
const records = getFoodRecords();
return records.filter(record => record.date === currentFilterDate);
}
// 更新饮食记录列表
function updateFoodList() {
const records = getFilteredRecords();
const foodListElement = document.getElementById('foodList');
const pagination = document.getElementById('pagination');
const startRange = document.getElementById('startRange');
const endRange = document.getElementById('endRange');
const totalItems = document.getElementById('totalItems');
const currentPageElement = document.getElementById('currentPage');
const prevPage = document.getElementById('prevPage');
const nextPage = document.getElementById('nextPage');
// 计算分页
const totalPages = Math.max(1, Math.ceil(records.length / itemsPerPage));
currentPage = Math.min(currentPage, totalPages); // 确保当前页不超过总页数
const startIndex = (currentPage - 1) * itemsPerPage;
const endIndex = Math.min(startIndex + itemsPerPage, records.length);
const paginatedRecords = records.slice(startIndex, endIndex);
// 更新分页信息
startRange.textContent = records.length > 0 ? startIndex + 1 : 0;
endRange.textContent = endIndex;
totalItems.textContent = records.length;
currentPageElement.textContent = currentPage;
// 启用/禁用分页按钮
prevPage.disabled = currentPage === 1;
nextPage.disabled = currentPage === totalPages;
// 清空列表
foodListElement.innerHTML = '';
if (paginatedRecords.length === 0) {
// 无记录时显示空状态
foodListElement.innerHTML = `
<tr class="text-center">
<td colspan="5" class="px-6 py-12 text-gray-500">
<div class="flex flex-col items-center">
<i class="fa fa-cutlery text-4xl text-gray-300 mb-4"></i>
<p>暂无饮食记录</p>
</div>
</td>
</tr>
`;
pagination.classList.add('hidden');
} else {
// 有记录时显示记录列表
pagination.classList.remove('hidden');
paginatedRecords.forEach(record => {
const row = document.createElement('tr');
row.className = 'hover:bg-gray-50 transition-colors duration-150';
row.innerHTML = `
<td class="px-6 py-4 whitespace-nowrap">
<div class="flex items-center">
<div class="ml-4">
<div class="text-sm font-medium text-gray-900">${record.foodName}</div>
</div>
</div>
</td>
<td class="px-6 py-4 whitespace-nowrap">
<div class="text-sm text-gray-900">${record.calories} 千卡</div>
</td>
<td class="px-6 py-4 whitespace-nowrap">
<div class="text-sm text-gray-900">${record.mealType}</div>
</td>
<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
${formatDate(record.date)}
</td>
<td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
<button data-id="${record.id}" class="view-details text-primary hover:text-primary/80 mr-3 transition-colors duration-200">
<i class="fa fa-eye"></i> 查看
</button>
<button data-id="${record.id}" class="delete-record text-red-500 hover:text-red-700 transition-colors duration-200">
<i class="fa fa-trash"></i> 删除
</button>
</td>
</div>
</div>
</div>
</div>
</div>
</div>
</td>
</tr>
`;
foodListElement.appendChild(row);
});
// 添加查看和删除事件监听器
document.querySelectorAll('.view-details').forEach(button => {
button.addEventListener('click', function() {
const id = this.getAttribute('data-id');
openDetailModal(id);
});
});
document.querySelectorAll('.delete-record').forEach(button => {
button.addEventListener('click', function() {
const id = this.getAttribute('data-id');
openDeleteModal(id);
});
});
}
}
// 更新统计信息
function updateStatistics() {
const records = getFilteredRecords();
let totalCalories = 0;
let totalProtein = 0;
let totalCarbs = 0;
let totalFat = 0;
records.forEach(record => {
totalCalories += record.calories;
totalProtein += record.protein;
totalCarbs += record.carbs;
totalFat += record.fat;
});
document.getElementById('totalCalories').textContent = totalCalories.toFixed(1) + ' 千卡';
document.getElementById('totalProtein').textContent = totalProtein.toFixed(1) + ' 克';
document.getElementById('totalCarbs').textContent = totalCarbs.toFixed(1) + ' 克';
document.getElementById('totalFat').textContent = totalFat.toFixed(1) + ' 克';
}
// 更新图表
function updateChart() {
const records = getFilteredRecords();
let totalProtein = 0;
let totalCarbs = 0;
let totalFat = 0;
records.forEach(record => {
totalProtein += record.protein;
totalCarbs += record.carbs;
totalFat += record.fat;
});
const ctx = document.getElementById('nutritionChart').getContext('2d');
// 销毁现有图表
if (window.nutritionChart) {
// window.nutritionChart.destroy();
}
// 创建新图表
window.nutritionChart = new Chart(ctx, {
type: 'doughnut',
data: {
labels: ['蛋白质', '碳水化合物', '脂肪'],
datasets: [{
data: [totalProtein, totalCarbs, totalFat],
backgroundColor: [
'#3B82F6', // 蓝色
'#F59E0B', // 黄色
'#EF4444' // 红色
],
borderWidth: 0,
hoverOffset: 15
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: {
position: 'bottom',
labels: {
padding: 20,
font: {
size: 12
}
}
},
tooltip: {
callbacks: {
label: function(context) {
const label = context.label || '';
const value = context.raw || 0;
const total = context.dataset.data.reduce((a, b) => a + b, 0);
const percentage = total > 0 ? Math.round((value / total) * 100) : 0;
return `${label}: ${value.toFixed(1)}g (${percentage}%)`;
}
}
}
},
cutout: '70%',
animation: {
animateScale: true,
animateRotate: true
}
}
});
}
// 打开详情模态框
function openDetailModal(id) {
const records = getFoodRecords();
const record = records.find(record => record.id === id);
if (record) {
document.getElementById('modalFoodName').textContent = record.foodName;
document.getElementById('modalCalories').textContent = record.calories + ' 千卡';
document.getElementById('modalProtein').textContent = record.protein + ' 克';
document.getElementById('modalCarbs').textContent = record.carbs + ' 克';
document.getElementById('modalFat').textContent = record.fat + ' 克';
document.getElementById('modalMealType').textContent = record.mealType;
document.getElementById('modalDate').textContent = formatDate(record.date);
// 计算营养成分百分比
const totalNutrition = record.protein + record.carbs + record.fat;
const proteinPercent = totalNutrition > 0 ? (record.protein / totalNutrition) * 100 : 0;
const carbsPercent = totalNutrition > 0 ? (record.carbs / totalNutrition) * 100 : 0;
const fatPercent = totalNutrition > 0 ? (record.fat / totalNutrition) * 100 : 0;
document.getElementById('proteinPercent').textContent = proteinPercent.toFixed(1) + '%';
document.getElementById('carbsPercent').textContent = carbsPercent.toFixed(1) + '%';
document.getElementById('fatPercent').textContent = fatPercent.toFixed(1) + '%';
document.getElementById('proteinBar').style.width = proteinPercent + '%';
document.getElementById('carbsBar').style.width = carbsPercent + '%';
document.getElementById('fatBar').style.width = fatPercent + '%';
// 显示模态框
const modal = document.getElementById('detailModal');
const modalContent = document.getElementById('modalContent');
modal.classList.remove('hidden');
setTimeout(() => {
modalContent.classList.remove('scale-95', 'opacity-0');
modalContent.classList.add('scale-100', 'opacity-100');
}, 10);
}
}
// 关闭详情模态框
function closeDetailModal() {
const modal = document.getElementById('detailModal');
const modalContent = document.getElementById('modalContent');
modalContent.classList.remove('scale-100', 'opacity-100');
modalContent.classList.add('scale-95', 'opacity-0');
setTimeout(() => {
modal.classList.add('hidden');
}, 300);
}
// 打开删除确认模态框
function openDeleteModal(id) {
selectedRecordId = id;
const modal = document.getElementById('deleteModal');
const modalContent = document.getElementById('deleteModalContent');
modal.classList.remove('hidden');
setTimeout(() => {
modalContent.classList.remove('scale-95', 'opacity-0');
modalContent.classList.add('scale-100', 'opacity-100');
}, 10);
}
// 关闭删除确认模态框
function closeDeleteModal() {
const modal = document.getElementById('deleteModal');
const modalContent = document.getElementById('deleteModalContent');
modalContent.classList.remove('scale-100', 'opacity-100');
modalContent.classList.add('scale-95', 'opacity-0');
setTimeout(() => {
modal.classList.add('hidden');
}, 300);
}
// 打开清空确认模态框
function openClearAllModal() {
const modal = document.getElementById('clearAllModal');
const modalContent = document.getElementById('clearAllModalContent');
modal.classList.remove('hidden');
setTimeout(() => {
modalContent.classList.remove('scale-95', 'opacity-0');
modalContent.classList.add('scale-100', 'opacity-100');
}, 10);
}
// 关闭清空确认模态框
function closeClearAllModal() {
const modal = document.getElementById('clearAllModal');
const modalContent = document.getElementById('clearAllModalContent');
modalContent.classList.remove('scale-100', 'opacity-100');
modalContent.classList.add('scale-95', 'opacity-0');
setTimeout(() => {
modal.classList.add('hidden');
}, 300);
}
// 格式化日期
function formatDate(dateString) {
const options = { year: 'numeric', month: 'long', day: 'numeric' };
return new Date(dateString).toLocaleDateString('zh-CN', options);
}
// 显示通知
function showNotification(message, type = 'info') {
// 创建通知元素
const notification = document.createElement('div');
notification.className = `fixed top-4 right-4 px-6 py-3 rounded-lg shadow-lg transform transition-all duration-500 ease-in-out z-50 flex items-center ${
type === 'success' ? 'bg-green-500 text-white' : 'bg-blue-500 text-white'
}`;
notification.innerHTML = `
<i class="fa ${type === 'success' ? 'fa-check-circle' : 'fa-info-circle'} mr-2"></i>
<span>${message}</span>
`;
// 添加到页面
document.body.appendChild(notification);
// 显示动画
setTimeout(() => {
notification.classList.add('translate-y-0');
notification.classList.remove('translate-y-[-20px]', 'opacity-0');
}, 10);
// 自动关闭
setTimeout(() => {
notification.classList.remove('translate-y-0');
notification.classList.add('translate-y-[-20px]', 'opacity-0');
setTimeout(() => {
document.body.removeChild(notification);
}, 500);
}, 3000);
}
// 导出数据
document.getElementById('exportData').addEventListener('click', function() {
const records = getFoodRecords();
if (records.length === 0) {
showNotification('没有数据可导出！', 'info');
return;
}
// 创建CSV内容
let csvContent = "ID,食物名称,卡路里(千卡),蛋白质(克),碳水化合物(克),脂肪(克),餐次,日期\n";
records.forEach(record => {
csvContent += `${record.id},"${record.foodName}",${record.calories},${record.protein},${record.carbs},${record.fat},"${record.mealType}",${record.date}\n`;
});
// 创建下载链接
const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.setAttribute('href', url);
link.setAttribute('download', `饮食记录_${new Date().toISOString().split('T')[0]}.csv`);
link.style.visibility = 'hidden';
// 添加到页面并触发下载
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
showNotification('数据导出成功！', 'success');
});
// 模态框关闭事件
document.getElementById('closeModal').addEventListener('click', closeDetailModal);
document.getElementById('closeModalBtn').addEventListener('click', closeDetailModal);
document.getElementById('cancelDelete').addEventListener('click', closeDeleteModal);
document.getElementById('confirmDelete').addEventListener('click', function() {
if (selectedRecordId) {
deleteFoodRecord(selectedRecordId);
}
});
document.getElementById('clearAll').addEventListener('click', openClearAllModal);
document.getElementById('cancelClearAll').addEventListener('click', closeClearAllModal);
document.getElementById('confirmClearAll').addEventListener('click', clearAllRecords);
// 点击模态框外部关闭
document.getElementById('detailModal').addEventListener('click', function(e) {
if (e.target === this) {
closeDetailModal();
}
});
document.getElementById('deleteModal').addEventListener('click', function(e) {
if (e.target === this) {
closeDeleteModal();
}
});
document.getElementById('clearAllModal').addEventListener('click', function(e) {
if (e.target === this) {
closeClearAllModal();
}
});
// 切换主题
document.getElementById('toggleTheme').addEventListener('click', function() {
document.body.classList.toggle('dark');
const icon = this.querySelector('i');
if (icon.classList.contains('fa-moon-o')) {
icon.classList.remove('fa-moon-o');
icon.classList.add('fa-sun-o');
} else {
icon.classList.remove('fa-sun-o');
icon.classList.add('fa-moon-o');
}
});
// 页面加载时初始化
window.addEventListener('DOMContentLoaded', function() {
updateFoodList();
updateStatistics();
updateChart();
});
</script>
</body>
</html>