feat: 优化API错误处理、CORS支持、请求日志、404处理

- 添加CORS headers支持跨域访问
- 添加请求日志记录
- 改善各API的错误处理
- 添加404处理器
- 添加timestamp返回便于调试

public/index.html

@@ -112,6 +112,19 @@
     /* Content padding for tabbar */
     .main-content { padding-bottom: 80px; }
     
+    /* My Content */
+    .my-content { padding-bottom: 80px; }
+    .fav-item, .history-item { background: var(--card); border-radius: var(--radius); padding: 12px; margin-bottom: 8px; display: flex; gap: 10px; align-items: center; box-shadow: var(--shadow); }
+    .fav-img { width: 48px; height: 48px; border-radius: 6px; background: #f3f4f6; display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
+    .fav-img img { width: 100%; height: 100%; object-fit: cover; }
+    .fav-info { flex: 1; min-width: 0; }
+    .fav-title { font-size: 13px; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
+    .fav-price { font-size: 14px; color: #ef4444; font-weight: 700; }
+    .fav-remove { color: var(--text-light); font-size: 18px; padding: 4px 8px; cursor: pointer; }
+    .history-item { justify-content: space-between; }
+    .history-keyword { font-size: 14px; }
+    .history-time { font-size: 11px; color: var(--text-light); }
+
     /* Search Results Panel */
     .search-panel { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--bg); z-index: 100; overflow-y: auto; }
     .search-panel.active { display: block; }
@@ -193,7 +206,45 @@
       </div>
     </div>
 
-    <!-- Tab Bar -->
+    <!-- My Tab Content -->
+    <div class="my-content" id="myContent" style="display:none;padding:20px;">
+      <div style="text-align:center;margin-bottom:24px;">
+        <div style="font-size:48px;margin-bottom:8px;">👤</div>
+        <div style="font-size:18px;font-weight:700;color:var(--text);">智币省用户</div>
+        <div style="font-size:13px;color:var(--text-light);">开始省钱之旅吧 ~</div>
+      </div>
+      
+      <!-- Stats -->
+      <div style="display:flex;gap:12px;margin-bottom:24px;">
+        <div style="flex:1;background:var(--card);border-radius:12px;padding:16px;text-align:center;box-shadow:var(--shadow);">
+          <div style="font-size:24px;font-weight:700;color:var(--primary);" id="myFavCount">0</div>
+          <div style="font-size:12px;color:var(--text-light);">我的收藏</div>
+        </div>
+        <div style="flex:1;background:var(--card);border-radius:12px;padding:16px;text-align:center;box-shadow:var(--shadow);">
+          <div style="font-size:24px;font-weight:700;color:#f59e0b;" id="mySearchCount">0</div>
+          <div style="font-size:12px;color:var(--text-light);">搜索记录</div>
+        </div>
+      </div>
+      
+      <!-- Favorites -->
+      <div style="margin-bottom:24px;">
+        <div style="font-size:16px;font-weight:700;margin-bottom:12px;">❤️ 我的收藏</div>
+        <div id="favoritesList">
+          <div style="text-align:center;padding:20px;color:var(--text-light);font-size:14px;">暂无收藏</div>
+        </div>
+      </div>
+      
+      <!-- Search History -->
+      <div>
+        <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;">
+          <div style="font-size:16px;font-weight:700;">🔍 搜索记录</div>
+          <div style="font-size:12px;color:var(--text-light);cursor:pointer;" onclick="clearSearchHistory()">清空</div>
+        </div>
+        <div id="searchHistoryList">
+          <div style="text-align:center;padding:20px;color:var(--text-light);font-size:14px;">暂无搜索记录</div>
+        </div>
+      </div>
+    </div>
     <div class="tabbar">
       <div class="tab active" data-tab="home">
         <span class="tab-icon">🏠</span>
@@ -265,11 +316,14 @@
         return;
       }
       dealsGrid.innerHTML = deals.map(deal => `
-        <div class="deal-card" onclick='openDeal(${JSON.stringify(deal)})'>
-          <div class="deal-img"><img src="https://picsum.photos/seed/${deal.id}/200/200" alt="${deal.title}" loading="lazy" onerror="this.style.display='none'"></div>
-          <div class="deal-title" style="margin-top:4px;"><span class="platform-badge ${deal.platform}" style="font-size:9px;margin-right:4px;">${PLATFORM_NAME[deal.platform] || deal.platform}</span>${deal.title}</div>
-          <div class="deal-price">¥${deal.price}<span>¥${deal.originalPrice}</span><span class="deal-tag">${deal.discount}</span></div>
-          <div class="deal-commission">🎁 预估返 ¥${deal.commission || 0}</div>
+        <div class="deal-card" style="position:relative;">
+          <div class="fav-btn" onclick="event.stopPropagation();toggleFavorite(${JSON.stringify(deal)},'deal')" style="position:absolute;top:8px;right:8px;font-size:18px;cursor:pointer;z-index:2;">${isFavorited('deal_'+deal.id) ? '❤️' : '🤍'}</div>
+          <div onclick='openDeal(${JSON.stringify(deal)})'>
+            <div class="deal-img"><img src="https://picsum.photos/seed/${deal.id}/200/200" alt="${deal.title}" loading="lazy" onerror="this.style.display='none'"></div>
+            <div class="deal-title" style="margin-top:4px;"><span class="platform-badge ${deal.platform}" style="font-size:9px;margin-right:4px;">${PLATFORM_NAME[deal.platform] || deal.platform}</span>${deal.title}</div>
+            <div class="deal-price">¥${deal.price}<span>¥${deal.originalPrice}</span><span class="deal-tag">${deal.discount}</span></div>
+            <div class="deal-commission">🎁 预估返 ¥${deal.commission || 0}</div>
+          </div>
         </div>
       `).join('');
     }
@@ -328,16 +382,19 @@
     // Render Search Results
     function renderSearchResults(products) {
       searchResults.innerHTML = products.map(p => `
-        <div class="product-item" onclick='goToCoupon(${JSON.stringify(p)})'>
-          <div class="product-img"><img src="https://picsum.photos/seed/${p.id}/200/200" alt="${p.title}" loading="lazy" onerror="this.parentElement.innerHTML='🏷️'"></div>
-          <div class="product-info">
-            <div class="product-title">${p.title}</div>
-            <div class="product-shop"><span class="platform-badge ${p.platform}">${PLATFORM_NAME[p.platform] || p.platform}</span> ${p.shop}</div>
-            <div class="product-bottom">
-              <span class="product-price">¥${p.price}</span>
-              <span class="product-coupon">-¥${p.coupon}券</span>
+        <div class="product-item" style="position:relative;">
+          <div class="fav-btn" onclick="event.stopPropagation();toggleFavorite(${JSON.stringify(p)},'product')" style="position:absolute;top:8px;right:8px;font-size:16px;cursor:pointer;z-index:2;">${isFavorited('product_'+p.id) ? '❤️' : '🤍'}</div>
+          <div onclick='goToCoupon(${JSON.stringify(p)})'>
+            <div class="product-img"><img src="https://picsum.photos/seed/${p.id}/200/200" alt="${p.title}" loading="lazy" onerror="this.parentElement.innerHTML='🏷️'"></div>
+            <div class="product-info">
+              <div class="product-title">${p.title}</div>
+              <div class="product-shop"><span class="platform-badge ${p.platform}">${PLATFORM_NAME[p.platform] || p.platform}</span> ${p.shop}</div>
+              <div class="product-bottom">
+                <span class="product-price">¥${p.price}</span>
+                <span class="product-coupon">-¥${p.coupon}券</span>
+              </div>
+              <div style="font-size:11px;color:var(--text-light);margin-top:4px;">🎁 返 ¥${p.commission || 0}</div>
             </div>
-            <div style="font-size:11px;color:var(--text-light);margin-top:4px;">🎁 返 ¥${p.commission || 0}</div>
           </div>
         </div>
       `).join('');
@@ -348,19 +405,91 @@
       // Stats updated from data
     }
 
+    // Local Storage Keys
+    const FAVORITES_KEY = 'zhibisheng_favorites';
+    const SEARCH_HISTORY_KEY = 'zhibisheng_search_history';
+    
+    // Load favorites from localStorage
+    function getFavorites() {
+      try {
+        return JSON.parse(localStorage.getItem(FAVORITES_KEY) || '[]');
+      } catch { return []; }
+    }
+    
+    // Save to favorites
+    function toggleFavorite(item, type) {
+      let favorites = getFavorites();
+      const id = type + '_' + item.id;
+      const index = favorites.findIndex(f => f.id === id);
+      if (index > -1) {
+        favorites.splice(index, 1);
+        showToast('已取消收藏');
+      } else {
+        favorites.unshift({ ...item, id, type, addedAt: Date.now() });
+        showToast('已收藏 ~');
+      }
+      localStorage.setItem(FAVORITES_KEY, JSON.stringify(favorites));
+      renderMyTab();
+    }
+    
+    // Check if favorited
+    function isFavorited(id) {
+      return getFavorites().some(f => f.id === id);
+    }
+    
+    // Toast notification
+    function showToast(msg) {
+      const existing = document.querySelector('.toast');
+      if (existing) existing.remove();
+      const toast = document.createElement('div');
+      toast.className = 'toast';
+      toast.textContent = msg;
+      toast.style.cssText = 'position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,0.75);color:white;padding:12px 24px;border-radius:8px;font-size:14px;z-index:9999;animation:fadeIn 0.3s';
+      document.body.appendChild(toast);
+      setTimeout(() => { toast.style.opacity = '0'; setTimeout(() => toast.remove(), 300); }, 1500);
+    }
+    
+    // Copy text to clipboard
+    function copyToClipboard(text, successMsg) {
+      if (navigator.clipboard) {
+        navigator.clipboard.writeText(text).then(() => showToast(successMsg || '已复制')).catch(() => fallbackCopy(text));
+      } else {
+        fallbackCopy(text);
+      }
+    }
+    
+    function fallbackCopy(text) {
+      const ta = document.createElement('textarea');
+      ta.value = text;
+      ta.style.position = 'fixed'; ta.style.opacity = '0';
+      document.body.appendChild(ta);
+      ta.select();
+      document.execCommand('copy');
+      document.body.removeChild(ta);
+      showToast('已复制');
+    }
+    
     // Actions
     function openDeal(deal) {
       if (deal.link && deal.link !== '#') {
         window.open(deal.link, '_blank');
       } else {
-        alert('复制商品链接，请在淘宝/京东App打开购买~');
+        // Generate mock coupon link
+        const couponLink = `https://taobao.com/item?id=${deal.id}`;
+        copyToClipboard(couponLink, '链接已复制，打开淘宝购买');
       }
     }
+    
     function goToCoupon(product) {
       if (product.link && product.link !== '#') {
         window.open(product.link, '_blank');
       } else {
-        alert('复制商品链接，请在淘宝/京东App打开购买~');
+        const couponText = `${product.title}
+原价: ¥${product.originalPrice}
+券后: ¥${product.price}
+${product.shop}
+【下载淘宝APP打开链接购买】`;
+        copyToClipboard(couponText, '已复制商品信息');
       }
     }
 
@@ -369,14 +498,94 @@
     searchInput.addEventListener('keypress', (e) => { if (e.key === 'Enter') doSearch(searchInput.value); });
 
     // Tab switching
+    const mainContent = document.getElementById('mainContent');
+    const myContent = document.getElementById('myContent');
+    
     document.querySelectorAll('.tab').forEach(tab => {
       tab.addEventListener('click', () => {
         document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
         tab.classList.add('active');
         currentTab = tab.dataset.tab;
+        
+        if (currentTab === 'my') {
+          mainContent.style.display = 'none';
+          myContent.style.display = 'block';
+          renderMyTab();
+        } else {
+          mainContent.style.display = 'block';
+          myContent.style.display = 'none';
+        }
       });
     });
     
+    // Render My Tab
+    function renderMyTab() {
+      const favorites = getFavorites();
+      document.getElementById('myFavCount').textContent = favorites.length;
+      
+      // Render favorites
+      if (favorites.length === 0) {
+        document.getElementById('favoritesList').innerHTML = '<div style="text-align:center;padding:20px;color:var(--text-light);font-size:14px;">暂无收藏</div>';
+      } else {
+        document.getElementById('favoritesList').innerHTML = favorites.map(f => `
+          <div class="fav-item">
+            <div class="fav-img"><img src="https://picsum.photos/seed/${f.id}/100/100" alt=""></div>
+            <div class="fav-info">
+              <div class="fav-title">${f.title}</div>
+              <div class="fav-price">¥${f.price}</div>
+            </div>
+            <div class="fav-remove" onclick="toggleFavorite({id:'${f.id.replace(f.type+'_', '')}', title:'${f.title}', price:${f.price}}, '${f.type}')">✕</div>
+          </div>
+        `).join('');
+      }
+      
+      // Render search history
+      try {
+        const history = JSON.parse(localStorage.getItem(SEARCH_HISTORY_KEY) || '[]');
+        document.getElementById('mySearchCount').textContent = history.length;
+        if (history.length === 0) {
+          document.getElementById('searchHistoryList').innerHTML = '<div style="text-align:center;padding:20px;color:var(--text-light);font-size:14px;">暂无搜索记录</div>';
+        } else {
+          document.getElementById('searchHistoryList').innerHTML = history.slice(0, 10).map(h => `
+            <div class="history-item" onclick="searchFromHistory('${h.keyword}')">
+              <span class="history-keyword">🔍 ${h.keyword}</span>
+              <span class="history-time">${formatTime(h.time)}</span>
+            </div>
+          `).join('');
+        }
+      } catch {}
+    }
+    
+    function formatTime(ts) {
+      const d = new Date(ts);
+      return `${d.getMonth()+1}/${d.getDate()} ${d.getHours()}:${String(d.getMinutes()).padStart(2, '0')}`;
+    }
+    
+    function searchFromHistory(keyword) {
+      searchInput.value = keyword;
+      document.querySelector('[data-tab="home"]').click();
+      doSearch(keyword);
+    }
+    
+    function clearSearchHistory() {
+      localStorage.removeItem(SEARCH_HISTORY_KEY);
+      renderMyTab();
+      showToast('已清空');
+    }
+    
+    // Save search to history
+    const originalDoSearch = doSearch;
+    async function doSearch(keyword) {
+      if (!keyword.trim()) return;
+      try {
+        const history = JSON.parse(localStorage.getItem(SEARCH_HISTORY_KEY) || '[]');
+        const filtered = history.filter(h => h.keyword !== keyword);
+        filtered.unshift({ keyword, time: Date.now() });
+        localStorage.setItem(SEARCH_HISTORY_KEY, JSON.stringify(filtered.slice(0, 20)));
+      } catch {}
+      return originalDoSearch(keyword);
+    }
+
     // Start
     init();
   </script>

server.js

@@ -2,37 +2,73 @@ const express = require('express');
 const path = require('path');
 
 const app = express();
-const PORT = 3000;
+const PORT = process.env.PORT || 3000;
 
 // Middleware
 app.use(express.json());
 app.use(express.static(path.join(__dirname, 'public')));
 
+// CORS headers
+app.use((req, res, next) => {
+  res.header('Access-Control-Allow-Origin', '*');
+  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
+  res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+  if (req.method === 'OPTIONS') {
+    return res.sendStatus(200);
+  }
+  next();
+});
+
+// Request logging
+app.use((req, res, next) => {
+  const start = Date.now();
+  res.on('finish', () => {
+    const duration = Date.now() - start;
+    console.log(`${req.method} ${req.path} - ${res.statusCode} (${duration}ms)`);
+  });
+  next();
+});
+
 // API: 搜索优惠券 (预留淘宝/京东联盟API接入点)
 app.get('/api/search', async (req, res) => {
   const { keyword } = req.query;
   if (!keyword) {
-    return res.json({ success: false, message: '请输入搜索关键词' });
+    return res.status(400).json({ success: false, message: '请输入搜索关键词' });
   }
 
-  // TODO: 接入淘宝联盟API / 京东联盟API
-  // 目前返回模拟数据用于本地验证
-  const mockResults = generateMockResults(keyword);
-  res.json({ success: true, data: mockResults });
+  try {
+    // TODO: 接入淘宝联盟API / 京东联盟API
+    // 目前返回模拟数据用于本地验证
+    const mockResults = generateMockResults(keyword);
+    res.json({ success: true, data: mockResults, keyword, timestamp: Date.now() });
+  } catch (error) {
+    console.error('搜索API错误:', error);
+    res.status(500).json({ success: false, message: '服务器错误，请重试' });
+  }
 });
 
 // API: 今日特价
 app.get('/api/today-deals', (req, res) => {
-  // TODO: 接入真实特价API
-  const deals = generateMockDeals();
-  res.json({ success: true, data: deals });
+  try {
+    // TODO: 接入真实特价API
+    const deals = generateMockDeals();
+    res.json({ success: true, data: deals, timestamp: Date.now() });
+  } catch (error) {
+    console.error('特价API错误:', error);
+    res.status(500).json({ success: false, message: '服务器错误，请重试' });
+  }
 });
 
 // API: 线报广场
 app.get('/api/linbao', (req, res) => {
-  // TODO: 接入线报数据源
-  const linbao = generateMockLinbao();
-  res.json({ success: true, data: linbao });
+  try {
+    // TODO: 接入线报数据源
+    const linbao = generateMockLinbao();
+    res.json({ success: true, data: linbao, timestamp: Date.now() });
+  } catch (error) {
+    console.error('线报API错误:', error);
+    res.status(500).json({ success: false, message: '服务器错误，请重试' });
+  }
 });
 
 // API: 历史价格查询 (预留)
@@ -60,6 +96,11 @@ app.get('/', (req, res) => {
   res.sendFile(path.join(__dirname, 'public', 'index.html'));
 });
 
+// 404 handler
+app.use((req, res) => {
+  res.status(404).json({ success: false, message: 'API不存在' });
+});
+
 // Mock data generators
 function generateMockResults(keyword) {
   return [