HTML5新手练习项目—个人记账本(附源码)


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项目源码

html 复制代码
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>个人财务记账本</title>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        :root {
            --primary-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
            --bg-gradient: linear-gradient(135deg, #e0f7fa 0%, #e8f5e9 100%);
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(255, 255, 255, 0.6);
            --text-main: #2d3436;
            --text-secondary: #636e72;
            --color-expense: #ff7675;
            --color-income: #00b894;
            --color-warning: #fdcb6e;
            --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-gradient);
            min-height: 100vh;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            color: var(--text-main);
        }

        .container {
            width: 100%;
            max-width: 800px;
            margin-top: 20px;
            margin-bottom: 40px;
        }

        /* 仪表盘区域 */
        .dashboard {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 25px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            animation: slideDown 0.6s ease-out;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .balance-card {
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .balance-title {
            font-size: 0.9em;
            color: var(--text-secondary);
            margin-bottom: 5px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .balance-amount {
            font-size: 2.5em;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
        }

        .stats-row {
            display: flex;
            gap: 20px;
            width: 100%;
        }

        .stat-box {
            flex: 1;
            background: rgba(255, 255, 255, 0.6);
            padding: 15px;
            border-radius: 16px;
            text-align: center;
            transition: transform 0.3s;
        }

        .stat-box:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.9);
        }

        .stat-label {
            font-size: 0.8em;
            color: var(--text-secondary);
            margin-bottom: 5px;
        }

        .stat-value {
            font-size: 1.2em;
            font-weight: 600;
        }

        .income-text { color: var(--color-income); }
        .expense-text { color: var(--color-expense); }

        /* 预算进度条区域 */
        .budget-container {
            grid-column: 1 / -1;
            margin-top: 10px;
            background: rgba(255, 255, 255, 0.4);
            padding: 15px;
            border-radius: 12px;
        }
        
        .budget-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .budget-title {
            font-size: 0.9em;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .budget-value {
            font-size: 0.85em;
            font-weight: 700;
            color: var(--text-main);
        }

        .progress-bar-bg {
            height: 12px;
            background: #dfe6e9;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            width: 0%;
            background: var(--color-income);
            border-radius: 10px;
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s;
        }

        /* 主内容区布局 */
        .main-content {
            display: grid;
            grid-template-columns: 350px 1fr;
            gap: 25px;
        }

        @media (max-width: 850px) {
            .main-content { grid-template-columns: 1fr; }
            .dashboard { grid-template-columns: 1fr; }
        }

        /* 通用卡片样式 */
        .card {
            background: white;
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            animation: fadeIn 0.5s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.98); }
            to { opacity: 1; transform: scale(1); }
        }

        .card h3 {
            margin-bottom: 20px;
            font-size: 1.1em;
            color: var(--text-main);
            border-left: 4px solid #38ef7d;
            padding-left: 10px;
        }

        /* 表单样式 */
        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9em;
            color: var(--text-secondary);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #f1f2f6;
            border-radius: 12px;
            font-size: 1em;
            transition: all 0.3s;
            outline: none;
            font-family: inherit;
        }

        .form-control:focus {
            border-color: #38ef7d;
            box-shadow: 0 0 0 3px rgba(56, 239, 125, 0.1);
        }

        .type-toggle {
            display: flex;
            background: #f1f2f6;
            padding: 5px;
            border-radius: 12px;
            margin-bottom: 20px;
        }

        .type-btn {
            flex: 1;
            padding: 10px;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 8px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all 0.3s;
        }

        .type-btn.active.income {
            background: white;
            color: var(--color-income);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .type-btn.active.expense {
            background: white;
            color: var(--color-expense);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--primary-gradient);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1em;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(56, 239, 125, 0.4);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        /* 交易列表 */
        .transaction-list {
            list-style: none;
            max-height: 500px;
            overflow-y: auto;
            padding-right: 5px;
        }

        .transaction-list::-webkit-scrollbar {
            width: 6px;
        }
        .transaction-list::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }

        .transaction-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 12px;
            margin-bottom: 10px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
            border-left: 4px solid transparent;
        }

        .transaction-item:hover {
            transform: translateX(5px);
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .transaction-item.income { border-left-color: var(--color-income); }
        .transaction-item.expense { border-left-color: var(--color-expense); }

        .t-info {
            display: flex;
            flex-direction: column;
        }

        .t-desc {
            font-weight: 600;
            color: var(--text-main);
        }

        .t-date {
            font-size: 0.8em;
            color: #b2bec3;
            margin-top: 4px;
        }

        .t-amount {
            font-weight: 700;
            margin-right: 15px;
        }

        .delete-btn {
            background: none;
            border: none;
            color: #fab1a0;
            cursor: pointer;
            padding: 5px;
            transition: color 0.3s;
            opacity: 0;
        }

        .transaction-item:hover .delete-btn {
            opacity: 1;
        }

        .delete-btn:hover {
            color: var(--color-expense);
        }

        /* Toast 提示 */
        #toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
        }

        .toast {
            background: white;
            padding: 15px 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: slideInRight 0.3s ease-out;
            border-left: 4px solid #38ef7d;
        }

        .toast.error { border-left-color: var(--color-expense); }

        @keyframes slideInRight {
            from { transform: translateX(100%); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 40px;
            color: #b2bec3;
        }
        .empty-state i {
            font-size: 3em;
            margin-bottom: 15px;
            opacity: 0.5;
        }
    </style>
</head>
<body>

    <div class="container">
        <!-- 顶部仪表盘 -->
        <div class="dashboard">
            <div class="balance-card">
                <div class="balance-title">当前结余</div>
                <div class="balance-amount" id="totalBalance">¥0.00</div>
            </div>
            <div class="stats-row">
                <div class="stat-box">
                    <div class="stat-label">总收入</div>
                    <div class="stat-value income-text" id="totalIncome">+¥0.00</div>
                </div>
                <div class="stat-box">
                    <div class="stat-label">总支出</div>
                    <div class="stat-value expense-text" id="totalExpense">-¥0.00</div>
                </div>
            </div>
            
            <!-- 预算进度条 -->
            <div class="budget-container">
                <div class="budget-header">
                    <div class="budget-title">
                        <i class="fas fa-wallet"></i> 本月预算消耗
                    </div>
                    <div class="budget-value" id="budgetText">¥0 / ¥5000</div>
                </div>
                <div class="progress-bar-bg">
                    <div class="progress-fill" id="budgetBar"></div>
                </div>
            </div>
        </div>

        <div class="main-content">
            <!-- 左侧:添加记录表单 -->
            <div class="card">
                <h3><i class="fas fa-plus-circle"></i> 记一笔</h3>
                <form id="transactionForm">
                    <div class="type-toggle">
                        <button type="button" class="type-btn active expense" data-type="expense">支出</button>
                        <button type="button" class="type-btn income" data-type="income">收入</button>
                    </div>

                    <div class="form-group">
                        <label>金额</label>
                        <input type="number" id="amount" class="form-control" placeholder="0.00" step="0.01" min="0.01">
                    </div>

                    <div class="form-group">
                        <label>描述</label>
                        <input type="text" id="text" class="form-control" placeholder="例如:早餐、工资...">
                    </div>

                    <div class="form-group">
                        <label>日期</label>
                        <input type="date" id="date" class="form-control">
                    </div>

                    <button type="submit" class="submit-btn">添加记录</button>
                </form>
            </div>

            <!-- 右侧:交易列表 -->
            <div class="card">
                <h3><i class="fas fa-list-ul"></i> 近期明细</h3>
                <ul id="list" class="transaction-list">
                    <!-- 列表项将通过 JS 动态生成 -->
                </ul>
            </div>
        </div>
    </div>

    <div id="toast-container"></div>

    <script>
        // 获取 DOM 元素
        const balanceEl = document.getElementById('totalBalance');
        const incomeEl = document.getElementById('totalIncome');
        const expenseEl = document.getElementById('totalExpense');
        const listEl = document.getElementById('list');
        const form = document.getElementById('transactionForm');
        const textInput = document.getElementById('text');
        const amountInput = document.getElementById('amount');
        const dateInput = document.getElementById('date');
        const typeBtns = document.querySelectorAll('.type-btn');
        const budgetBar = document.getElementById('budgetBar');
        const budgetText = document.getElementById('budgetText');

        // 状态
        let transactions = JSON.parse(localStorage.getItem('transactions')) || [];
        let currentType = 'expense';
        const MONTHLY_BUDGET = 5000; // 默认月预算

        // 初始化日期为今天
        dateInput.valueAsDate = new Date();

        // 切换收入/支出类型
        typeBtns.forEach(btn => {
            btn.addEventListener('click', () => {
                typeBtns.forEach(b => b.classList.remove('active'));
                btn.classList.add('active');
                currentType = btn.dataset.type;
            });
        });

        // 添加交易
        function addTransaction(e) {
            e.preventDefault();

            const text = textInput.value.trim();
            const amount = +amountInput.value;
            const date = dateInput.value;

            if (text === '' || amount <= 0) {
                showToast('请输入有效的描述和金额', 'error');
                return;
            }

            const transaction = {
                id: generateID(),
                text,
                amount: currentType === 'expense' ? -amount : amount,
                date,
                type: currentType
            };

            transactions.push(transaction);
            addTransactionDOM(transaction);
            updateValues();
            updateLocalStorage();

            textInput.value = '';
            amountInput.value = '';
            showToast('记录添加成功!');
        }

        // 生成随机 ID
        function generateID() {
            return Math.floor(Math.random() * 100000000);
        }

        // 添加交易到 DOM
        function addTransactionDOM(transaction) {
            // 如果列表为空,先清除空状态
            if(transactions.length === 1) {
                listEl.innerHTML = '';
            }

            const sign = transaction.amount < 0 ? '-' : '+';
            const item = document.createElement('li');
            item.classList.add('transaction-item');
            item.classList.add(transaction.amount < 0 ? 'expense' : 'income');

            item.innerHTML = `
                <div class="t-info">
                    <span class="t-desc">${transaction.text}</span>
                    <span class="t-date">${transaction.date}</span>
                </div>
                <div style="display:flex; align-items:center;">
                    <span class="t-amount ${transaction.amount < 0 ? 'expense-text' : 'income-text'}">
                        ${sign}¥${Math.abs(transaction.amount).toFixed(2)}
                    </span>
                    <button class="delete-btn" onclick="removeTransaction(${transaction.id})">
                        <i class="fas fa-trash"></i>
                    </button>
                </div>
            `;

            // 插入到列表顶部
            listEl.insertBefore(item, listEl.firstChild);
        }

        // 更新余额、收入和支出
        function updateValues() {
            const amounts = transactions.map(t => t.amount);

            const total = amounts.reduce((acc, item) => (acc += item), 0).toFixed(2);
            
            const income = amounts
                .filter(item => item > 0)
                .reduce((acc, item) => (acc += item), 0)
                .toFixed(2);

            const expense = (
                amounts.filter(item => item < 0).reduce((acc, item) => (acc += item), 0) * -1
            ).toFixed(2);

            balanceEl.innerText = `¥${total}`;
            incomeEl.innerText = `+¥${income}`;
            expenseEl.innerText = `-¥${expense}`;

            updateBudgetChart(expense);
        }

        // 更新预算图表
        function updateBudgetChart(currentExpense) {
            const expenseVal = parseFloat(currentExpense);
            const percent = Math.min((expenseVal / MONTHLY_BUDGET) * 100, 100);
            
            budgetBar.style.width = `${percent}%`;
            budgetText.innerText = `¥${expenseVal.toFixed(0)} / ¥${MONTHLY_BUDGET}`;

            // 根据进度改变颜色
            budgetBar.style.backgroundColor = 'var(--color-income)'; // 默认绿色
            
            if (percent >= 50 && percent < 80) {
                budgetBar.style.backgroundColor = 'var(--color-warning)'; // 黄色
            } else if (percent >= 80) {
                budgetBar.style.backgroundColor = 'var(--color-expense)'; // 红色
            }
        }

        // 删除交易
        function removeTransaction(id) {
            if(confirm('确定要删除这条记录吗?')) {
                transactions = transactions.filter(t => t.id !== id);
                updateLocalStorage();
                init();
                showToast('记录已删除');
            }
        }

        // 更新本地存储
        function updateLocalStorage() {
            localStorage.setItem('transactions', JSON.stringify(transactions));
        }

        // 初始化应用
        function init() {
            listEl.innerHTML = '';
            if (transactions.length === 0) {
                listEl.innerHTML = `
                    <div class="empty-state">
                        <i class="fas fa-receipt"></i>
                        <p>暂无交易记录,快去记一笔吧!</p>
                    </div>
                `;
            } else {
                // 按日期降序排序
                transactions.sort((a, b) => new Date(b.date) - new Date(a.date));
                transactions.forEach(addTransactionDOM);
            }
            updateValues();
        }

        // 显示 Toast 提示
        function showToast(message, type = 'success') {
            const container = document.getElementById('toast-container');
            const toast = document.createElement('div');
            toast.classList.add('toast');
            if (type === 'error') toast.classList.add('error');
            
            const icon = type === 'success' ? '<i class="fas fa-check-circle" style="color:#00b894"></i>' : '<i class="fas fa-exclamation-circle" style="color:#ff7675"></i>';
            
            toast.innerHTML = `${icon} <span>${message}</span>`;
            
            container.appendChild(toast);

            setTimeout(() => {
                toast.style.animation = 'slideInRight 0.3s reverse forwards';
                setTimeout(() => toast.remove(), 300);
            }, 3000);
        }

        form.addEventListener('submit', addTransaction);

        init();
    </script>
</body>
</html>
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