feat: complete web app features and fix encoding

static/css/analysis.css

@@ -0,0 +1,95 @@
+.analysis-container {
+    max-width: 900px;
+    margin: 0 auto;
+}
+
+.section {
+    margin-bottom: 40px;
+    padding: 30px;
+    background: #f8f9fa;
+    border-radius: 15px;
+}
+
+.section h2 {
+    font-size: 1.8em;
+    margin-bottom: 25px;
+    color: #333;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    font-weight: bold;
+    color: #555;
+}
+
+.form-input, .form-textarea {
+    width: 100%;
+    padding: 12px;
+    border: 2px solid #e9ecef;
+    border-radius: 8px;
+    font-size: 1em;
+    font-family: inherit;
+    transition: border-color 0.3s;
+}
+
+.form-input:focus, .form-textarea:focus {
+    outline: none;
+    border-color: #667eea;
+}
+
+.form-textarea {
+    resize: vertical;
+    min-height: 120px;
+}
+
+.analysis-result {
+    background: white;
+    padding: 25px;
+    border-radius: 10px;
+    border-left: 4px solid #667eea;
+    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+}
+
+.analysis-result h3 {
+    margin-top: 0;
+    color: #667eea;
+}
+
+.analysis-result .analysis-section {
+    margin: 20px 0;
+    padding: 15px;
+    background: #f8f9fa;
+    border-radius: 8px;
+}
+
+.analysis-result .analysis-section h4 {
+    color: #555;
+    margin-top: 0;
+}
+
+.message-area {
+    margin-top: 20px;
+    padding: 15px;
+    border-radius: 8px;
+    display: none;
+}
+
+.message-area.success {
+    background: #d4edda;
+    color: #155724;
+    border: 1px solid #c3e6cb;
+    display: block;
+}
+
+.message-area.error {
+    background: #f8d7da;
+    color: #721c24;
+    border: 1px solid #f5c6cb;
+    display: block;
+}
+

static/css/data_collection.css

@@ -0,0 +1,77 @@
+.data-collection-container {
+    max-width: 800px;
+    margin: 0 auto;
+}
+
+.section {
+    margin-bottom: 40px;
+    padding: 30px;
+    background: #f8f9fa;
+    border-radius: 15px;
+}
+
+.section h2 {
+    font-size: 1.8em;
+    margin-bottom: 25px;
+    color: #333;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    font-weight: bold;
+    color: #555;
+}
+
+.form-input, .form-textarea {
+    width: 100%;
+    padding: 12px;
+    border: 2px solid #e9ecef;
+    border-radius: 8px;
+    font-size: 1em;
+    font-family: inherit;
+    transition: border-color 0.3s;
+}
+
+.form-input:focus, .form-textarea:focus {
+    outline: none;
+    border-color: #667eea;
+}
+
+.form-textarea {
+    resize: vertical;
+    min-height: 100px;
+}
+
+.message-area {
+    margin-top: 20px;
+    padding: 15px;
+    border-radius: 8px;
+    display: none;
+}
+
+.message-area.success {
+    background: #d4edda;
+    color: #155724;
+    border: 1px solid #c3e6cb;
+    display: block;
+}
+
+.message-area.error {
+    background: #f8d7da;
+    color: #721c24;
+    border: 1px solid #f5c6cb;
+    display: block;
+}
+
+.message-area.info {
+    background: #d1ecf1;
+    color: #0c5460;
+    border: 1px solid #bee5eb;
+    display: block;
+}
+

static/css/recitation.css

@@ -191,6 +191,34 @@
     color: #333;
 }
 
+/* 导出按钮样式 */
+.export-buttons {
+    display: flex;
+    gap: 10px;
+    margin-bottom: 20px;
+    flex-wrap: wrap;
+}
+
+.btn-export {
+    padding: 10px 20px;
+    background: #28a745;
+    color: white;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+    font-size: 0.9em;
+    transition: all 0.3s;
+}
+
+.btn-export:hover {
+    background: #218838;
+    transform: translateY(-2px);
+}
+
+.btn-export:active {
+    transform: translateY(0);
+}
+
 /* 响应式设计 */
 @media (max-width: 768px) {
     .wheel-container {

static/css/recommendation.css

@@ -0,0 +1,99 @@
+.recommendation-container {
+    max-width: 900px;
+    margin: 0 auto;
+}
+
+.section {
+    margin-bottom: 40px;
+    padding: 30px;
+    background: #f8f9fa;
+    border-radius: 15px;
+}
+
+.section h2 {
+    font-size: 1.8em;
+    margin-bottom: 25px;
+    color: #333;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    font-weight: bold;
+    color: #555;
+}
+
+.form-input {
+    width: 100%;
+    padding: 12px;
+    border: 2px solid #e9ecef;
+    border-radius: 8px;
+    font-size: 1em;
+    font-family: inherit;
+    transition: border-color 0.3s;
+}
+
+.form-input:focus {
+    outline: none;
+    border-color: #667eea;
+}
+
+.recommendations-list {
+    display: grid;
+    gap: 20px;
+}
+
+.recommendation-card {
+    background: white;
+    padding: 20px;
+    border-radius: 10px;
+    border-left: 4px solid #667eea;
+    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+}
+
+.recommendation-card h3 {
+    margin-top: 0;
+    color: #667eea;
+}
+
+.recommendation-card .food-list {
+    margin: 15px 0;
+}
+
+.recommendation-card .food-item {
+    padding: 8px;
+    margin: 5px 0;
+    background: #f8f9fa;
+    border-radius: 5px;
+}
+
+.recommendation-card .confidence {
+    color: #28a745;
+    font-weight: bold;
+}
+
+.message-area {
+    margin-top: 20px;
+    padding: 15px;
+    border-radius: 8px;
+    display: none;
+}
+
+.message-area.success {
+    background: #d4edda;
+    color: #155724;
+    border: 1px solid #c3e6cb;
+    display: block;
+}
+
+.message-area.error {
+    background: #f8d7da;
+    color: #721c24;
+    border: 1px solid #f5c6cb;
+    display: block;
+}
+

static/css/style.css

@@ -89,8 +89,8 @@ body {
 
 .feature-cards {
     display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
-    gap: 30px;
+    gap: 25px;
     margin-top: 40px;
 }
 

static/js/analysis.js

@@ -0,0 +1,133 @@
+// 分析功能脚本
+
+let currentUserId = null;
+
+// DOM元素
+const loginSection = document.getElementById('loginSection');
+const requestSection = document.getElementById('requestSection');
+const analysisSection = document.getElementById('analysisSection');
+const messageArea = document.getElementById('messageArea');
+
+const loginBtn = document.getElementById('loginBtn');
+const userIdInput = document.getElementById('userId');
+const analyzeBtn = document.getElementById('analyzeBtn');
+const mealDataTextarea = document.getElementById('mealData');
+const analysisResult = document.getElementById('analysisResult');
+
+// 显示消息
+function showMessage(message, type = 'info') {
+    messageArea.textContent = message;
+    messageArea.className = `message-area ${type}`;
+    setTimeout(() => {
+        messageArea.className = 'message-area';
+        messageArea.style.display = 'none';
+    }, 3000);
+}
+
+// 用户登录
+loginBtn.addEventListener('click', async () => {
+    const userId = userIdInput.value.trim();
+    
+    if (!userId) {
+        showMessage('请输入用户ID', 'error');
+        return;
+    }
+    
+    loginBtn.disabled = true;
+    loginBtn.textContent = '登录中...';
+    
+    try {
+        const response = await fetch('/api/user/login', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: userId
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success) {
+            currentUserId = userId;
+            loginSection.style.display = 'none';
+            requestSection.style.display = 'block';
+            showMessage(`欢迎，${data.name || userId}！`, 'success');
+        } else {
+            showMessage(data.message || '登录失败', 'error');
+        }
+    } catch (error) {
+        console.error('登录失败:', error);
+        showMessage('登录失败，请检查网络连接', 'error');
+    } finally {
+        loginBtn.disabled = false;
+        loginBtn.textContent = '登录';
+    }
+});
+
+// 开始分析
+analyzeBtn.addEventListener('click', async () => {
+    const mealDataText = mealDataTextarea.value.trim();
+    
+    if (!mealDataText) {
+        showMessage('请输入餐食信息', 'error');
+        return;
+    }
+    
+    analyzeBtn.disabled = true;
+    analyzeBtn.textContent = '分析中...';
+    
+    try {
+        const response = await fetch('/api/analysis/nutrition', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: currentUserId,
+                meal_data: {
+                    text: mealDataText
+                }
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success && data.analysis) {
+            displayAnalysis(data.analysis);
+            analysisSection.style.display = 'block';
+            showMessage('分析完成！', 'success');
+        } else {
+            showMessage(data.message || '分析失败', 'error');
+        }
+    } catch (error) {
+        console.error('分析失败:', error);
+        showMessage('分析失败，请检查网络连接', 'error');
+    } finally {
+        analyzeBtn.disabled = false;
+        analyzeBtn.textContent = '开始分析';
+    }
+});
+
+// 显示分析结果
+function displayAnalysis(analysis) {
+    analysisResult.innerHTML = '';
+    
+    if (typeof analysis === 'string') {
+        // 如果是字符串，直接显示
+        analysisResult.innerHTML = `<div class="analysis-section"><p>${analysis.replace(/\n/g, '<br>')}</p></div>`;
+    } else if (analysis.analysis) {
+        // 如果包含analysis字段
+        analysisResult.innerHTML = `<div class="analysis-section"><h4>分析结果</h4><p>${analysis.analysis.replace(/\n/g, '<br>')}</p></div>`;
+    } else {
+        // 如果是对象，格式化显示
+        for (const [key, value] of Object.entries(analysis)) {
+            const section = document.createElement('div');
+            section.className = 'analysis-section';
+            section.innerHTML = `<h4>${key}</h4><p>${typeof value === 'string' ? value.replace(/\n/g, '<br>') : JSON.stringify(value, null, 2)}</p>`;
+            analysisResult.appendChild(section);
+        }
+    }
+}
+

static/js/data_collection.js

@@ -0,0 +1,193 @@
+// 数据采集功能脚本
+
+let currentUserId = null;
+
+// DOM元素
+const loginSection = document.getElementById('loginSection');
+const basicQuestionnaire = document.getElementById('basicQuestionnaire');
+const mealRecord = document.getElementById('mealRecord');
+const messageArea = document.getElementById('messageArea');
+
+const loginBtn = document.getElementById('loginBtn');
+const userIdInput = document.getElementById('userId');
+const userNameInput = document.getElementById('userName');
+
+const submitBasicBtn = document.getElementById('submitBasicBtn');
+const submitMealBtn = document.getElementById('submitMealBtn');
+
+// 显示消息
+function showMessage(message, type = 'info') {
+    messageArea.textContent = message;
+    messageArea.className = `message-area ${type}`;
+    setTimeout(() => {
+        messageArea.className = 'message-area';
+        messageArea.style.display = 'none';
+    }, 3000);
+}
+
+// 用户登录
+loginBtn.addEventListener('click', async () => {
+    const userId = userIdInput.value.trim();
+    const userName = userNameInput.value.trim();
+    
+    if (!userId || !userName) {
+        showMessage('请输入用户ID和姓名', 'error');
+        return;
+    }
+    
+    loginBtn.disabled = true;
+    loginBtn.textContent = '登录中...';
+    
+    try {
+        const response = await fetch('/api/user/register', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: userId,
+                name: userName
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success) {
+            currentUserId = userId;
+            loginSection.style.display = 'none';
+            basicQuestionnaire.style.display = 'block';
+            mealRecord.style.display = 'block';
+            showMessage('登录成功！', 'success');
+        } else {
+            showMessage(data.message || '登录失败', 'error');
+        }
+    } catch (error) {
+        console.error('登录失败:', error);
+        showMessage('登录失败，请检查网络连接', 'error');
+    } finally {
+        loginBtn.disabled = false;
+        loginBtn.textContent = '登录/注册';
+    }
+});
+
+// 提交基础信息
+submitBasicBtn.addEventListener('click', async () => {
+    const age = document.getElementById('age').value;
+    const gender = document.getElementById('gender').value;
+    const height = document.getElementById('height').value;
+    const weight = document.getElementById('weight').value;
+    const activityLevel = document.getElementById('activityLevel').value;
+    
+    if (!age || !gender || !height || !weight || !activityLevel) {
+        showMessage('请填写完整的基础信息', 'error');
+        return;
+    }
+    
+    submitBasicBtn.disabled = true;
+    submitBasicBtn.textContent = '提交中...';
+    
+    try {
+        const response = await fetch('/api/questionnaire/submit', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: currentUserId,
+                type: 'basic',
+                answers: {
+                    age: parseInt(age),
+                    gender: gender,
+                    height: parseFloat(height),
+                    weight: parseFloat(weight),
+                    activity_level: activityLevel
+                }
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success) {
+            showMessage('基础信息提交成功！', 'success');
+        } else {
+            showMessage(data.message || '提交失败', 'error');
+        }
+    } catch (error) {
+        console.error('提交失败:', error);
+        showMessage('提交失败，请检查网络连接', 'error');
+    } finally {
+        submitBasicBtn.disabled = false;
+        submitBasicBtn.textContent = '提交基础信息';
+    }
+});
+
+// 记录餐食
+submitMealBtn.addEventListener('click', async () => {
+    const mealDate = document.getElementById('mealDate').value || new Date().toISOString().split('T')[0];
+    const mealType = document.getElementById('mealType').value;
+    const foodsText = document.getElementById('foods').value;
+    const calories = document.getElementById('calories').value;
+    const satisfaction = document.getElementById('satisfaction').value;
+    
+    if (!foodsText || !calories) {
+        showMessage('请填写完整的餐食信息', 'error');
+        return;
+    }
+    
+    // 解析食物列表
+    const foods = foodsText.split('\n').filter(line => line.trim());
+    const quantities = foods.map(f => {
+        const parts = f.trim().split(/\s+/);
+        return parts.length > 1 ? parts.slice(1).join(' ') : '适量';
+    });
+    const foodNames = foods.map(f => f.trim().split(/\s+/)[0]);
+    
+    submitMealBtn.disabled = true;
+    submitMealBtn.textContent = '记录中...';
+    
+    try {
+        const response = await fetch('/api/meal/record', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: currentUserId,
+                date: mealDate,
+                meal_type: mealType,
+                foods: foodNames,
+                quantities: quantities,
+                calories: parseFloat(calories),
+                satisfaction_score: parseInt(satisfaction),
+                notes: ''
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success) {
+            showMessage('餐食记录成功！', 'success');
+            // 清空表单
+            document.getElementById('foods').value = '';
+            document.getElementById('calories').value = '';
+            document.getElementById('satisfaction').value = '3';
+        } else {
+            showMessage(data.message || '记录失败', 'error');
+        }
+    } catch (error) {
+        console.error('记录失败:', error);
+        showMessage('记录失败，请检查网络连接', 'error');
+    } finally {
+        submitMealBtn.disabled = false;
+        submitMealBtn.textContent = '记录餐食';
+    }
+});
+
+// 设置默认日期为今天
+document.addEventListener('DOMContentLoaded', () => {
+    const mealDateInput = document.getElementById('mealDate');
+    if (mealDateInput) {
+        mealDateInput.value = new Date().toISOString().split('T')[0];
+    }
+});
+

static/js/recitation.js

@@ -26,6 +26,73 @@ const currentItem = document.getElementById('currentItem');
 const resultSection = document.getElementById('resultSection');
 const sortedList = document.getElementById('sortedList');
 const resetBtn = document.getElementById('resetBtn');
+const exportTxtBtn = document.getElementById('exportTxtBtn');
+const exportJsonBtn = document.getElementById('exportJsonBtn');
+const exportCsvBtn = document.getElementById('exportCsvBtn');
+
+// 本地存储键名
+const STORAGE_KEY_EXTRACTED = 'recitation_extracted_items';
+const STORAGE_KEY_SORTED = 'recitation_sorted_items';
+const STORAGE_KEY_ORIGINAL_TEXT = 'recitation_original_text';
+
+// 页面加载时恢复数据
+window.addEventListener('DOMContentLoaded', () => {
+    restoreFromStorage();
+});
+
+// 保存到本地存储
+function saveToStorage() {
+    try {
+        if (extractedItems.length > 0) {
+            localStorage.setItem(STORAGE_KEY_EXTRACTED, JSON.stringify(extractedItems));
+        }
+        if (sortedItems.length > 0) {
+            localStorage.setItem(STORAGE_KEY_SORTED, JSON.stringify(sortedItems));
+        }
+        if (textInput.value.trim()) {
+            localStorage.setItem(STORAGE_KEY_ORIGINAL_TEXT, textInput.value);
+        }
+    } catch (e) {
+        console.error('保存到本地存储失败:', e);
+    }
+}
+
+// 从本地存储恢复
+function restoreFromStorage() {
+    try {
+        const savedExtracted = localStorage.getItem(STORAGE_KEY_EXTRACTED);
+        const savedSorted = localStorage.getItem(STORAGE_KEY_SORTED);
+        const savedText = localStorage.getItem(STORAGE_KEY_ORIGINAL_TEXT);
+        
+        if (savedText) {
+            textInput.value = savedText;
+        }
+        
+        if (savedExtracted) {
+            extractedItems = JSON.parse(savedExtracted);
+            displayExtractedItems(extractedItems);
+            extractedSection.style.display = 'block';
+            textInput.disabled = true;
+        }
+        
+        if (savedSorted) {
+            sortedItems = JSON.parse(savedSorted);
+            displaySortedItems(sortedItems);
+            createWheel(sortedItems);
+            wheelSection.style.display = 'block';
+            resultSection.style.display = 'block';
+        }
+    } catch (e) {
+        console.error('从本地存储恢复失败:', e);
+    }
+}
+
+// 清除本地存储
+function clearStorage() {
+    localStorage.removeItem(STORAGE_KEY_EXTRACTED);
+    localStorage.removeItem(STORAGE_KEY_SORTED);
+    localStorage.removeItem(STORAGE_KEY_ORIGINAL_TEXT);
+}
 
 // 提取知识点
 extractBtn.addEventListener('click', async () => {
@@ -55,6 +122,7 @@ extractBtn.addEventListener('click', async () => {
             displayExtractedItems(extractedItems);
             extractedSection.style.display = 'block';
             textInput.disabled = true;
+            saveToStorage(); // 保存到本地存储
         } else {
             alert(data.message || '提取失败');
         }
@@ -108,6 +176,7 @@ sortBtn.addEventListener('click', async () => {
             wheelSection.style.display = 'block';
             resultSection.style.display = 'block';
             currentSpinIndex = 0;
+            saveToStorage(); // 保存到本地存储
         } else {
             alert(data.message || '排序失败');
         }
@@ -259,6 +328,50 @@ function displaySortedItems(items) {
     });
 }
 
+// 导出功能
+exportTxtBtn.addEventListener('click', () => exportData('txt'));
+exportJsonBtn.addEventListener('click', () => exportData('json'));
+exportCsvBtn.addEventListener('click', () => exportData('csv'));
+
+function exportData(format) {
+    if (sortedItems.length === 0) {
+        alert('没有可导出的数据');
+        return;
+    }
+    
+    fetch('/api/export/sorted', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json; charset=utf-8'
+        },
+        body: JSON.stringify({
+            items: sortedItems,
+            format: format
+        })
+    })
+    .then(response => {
+        if (!response.ok) {
+            throw new Error('导出失败');
+        }
+        return response.blob();
+    })
+    .then(blob => {
+        const url = window.URL.createObjectURL(blob);
+        const a = document.createElement('a');
+        a.href = url;
+        const timestamp = new Date().toISOString().slice(0, 19).replace(/[:-]/g, '').replace('T', '_');
+        a.download = `背诵排序结果_${timestamp}.${format}`;
+        document.body.appendChild(a);
+        a.click();
+        window.URL.revokeObjectURL(url);
+        document.body.removeChild(a);
+    })
+    .catch(error => {
+        console.error('导出失败:', error);
+        alert('导出失败，请重试');
+    });
+}
+
 // 重置
 resetBtn.addEventListener('click', () => {
     extractedItems = [];
@@ -281,5 +394,7 @@ resetBtn.addEventListener('click', () => {
     
     isSpinning = false;
     spinBtn.disabled = false;
+    
+    clearStorage(); // 清除本地存储
 });
 

static/js/recommendation.js

@@ -0,0 +1,135 @@
+// 推荐功能脚本
+
+let currentUserId = null;
+
+// DOM元素
+const loginSection = document.getElementById('loginSection');
+const requestSection = document.getElementById('requestSection');
+const recommendationsSection = document.getElementById('recommendationsSection');
+const messageArea = document.getElementById('messageArea');
+
+const loginBtn = document.getElementById('loginBtn');
+const userIdInput = document.getElementById('userId');
+const getRecommendationBtn = document.getElementById('getRecommendationBtn');
+const mealTypeSelect = document.getElementById('mealType');
+const recommendationsList = document.getElementById('recommendationsList');
+
+// 显示消息
+function showMessage(message, type = 'info') {
+    messageArea.textContent = message;
+    messageArea.className = `message-area ${type}`;
+    setTimeout(() => {
+        messageArea.className = 'message-area';
+        messageArea.style.display = 'none';
+    }, 3000);
+}
+
+// 用户登录
+loginBtn.addEventListener('click', async () => {
+    const userId = userIdInput.value.trim();
+    
+    if (!userId) {
+        showMessage('请输入用户ID', 'error');
+        return;
+    }
+    
+    loginBtn.disabled = true;
+    loginBtn.textContent = '登录中...';
+    
+    try {
+        const response = await fetch('/api/user/login', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: userId
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success) {
+            currentUserId = userId;
+            loginSection.style.display = 'none';
+            requestSection.style.display = 'block';
+            showMessage(`欢迎，${data.name || userId}！`, 'success');
+        } else {
+            showMessage(data.message || '登录失败', 'error');
+        }
+    } catch (error) {
+        console.error('登录失败:', error);
+        showMessage('登录失败，请检查网络连接', 'error');
+    } finally {
+        loginBtn.disabled = false;
+        loginBtn.textContent = '登录';
+    }
+});
+
+// 获取推荐
+getRecommendationBtn.addEventListener('click', async () => {
+    const mealType = mealTypeSelect.value;
+    
+    getRecommendationBtn.disabled = true;
+    getRecommendationBtn.textContent = '获取中...';
+    
+    try {
+        const response = await fetch('/api/recommendation/get', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json; charset=utf-8'
+            },
+            body: JSON.stringify({
+                user_id: currentUserId,
+                meal_type: mealType,
+                preferences: {},
+                context: {}
+            })
+        });
+        
+        const data = await response.json();
+        
+        if (data.success && data.recommendations && data.recommendations.length > 0) {
+            displayRecommendations(data.recommendations);
+            recommendationsSection.style.display = 'block';
+            showMessage('推荐获取成功！', 'success');
+        } else {
+            showMessage(data.message || '暂无推荐，请先完善个人数据', 'info');
+        }
+    } catch (error) {
+        console.error('获取推荐失败:', error);
+        showMessage('获取推荐失败，请检查网络连接', 'error');
+    } finally {
+        getRecommendationBtn.disabled = false;
+        getRecommendationBtn.textContent = '获取推荐';
+    }
+});
+
+// 显示推荐结果
+function displayRecommendations(recommendations) {
+    recommendationsList.innerHTML = '';
+    
+    recommendations.forEach((rec, index) => {
+        const card = document.createElement('div');
+        card.className = 'recommendation-card';
+        
+        let foods = [];
+        if (rec.foods && Array.isArray(rec.foods)) {
+            foods = rec.foods;
+        } else if (rec.food) {
+            foods = [rec.food];
+        }
+        
+        card.innerHTML = `
+            <h3>推荐方案 ${index + 1}</h3>
+            <div class="food-list">
+                ${foods.map(food => `<div class="food-item">${food}</div>`).join('')}
+            </div>
+            ${rec.confidence ? `<div class="confidence">置信度: ${(rec.confidence * 100).toFixed(1)}%</div>` : ''}
+            ${rec.reason ? `<div style="margin-top: 10px; color: #666;">推荐理由: ${rec.reason}</div>` : ''}
+        `;
+        
+        recommendationsList.appendChild(card);
+    });
+}
+

templates/analysis.html

@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>营养分析 - 个性化饮食推荐助手</title>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/analysis.css') }}">
+</head>
+<body>
+    <div class="container">
+        <header class="header">
+            <h1>? 营养分析</h1>
+            <p class="subtitle">AI智能营养分析与建议</p>
+        </header>
+
+        <nav class="nav">
+            <a href="/" class="nav-item">首页</a>
+            <a href="/data-collection" class="nav-item">数据采集</a>
+            <a href="/recommendation" class="nav-item">智能推荐</a>
+            <a href="/analysis" class="nav-item active">营养分析</a>
+            <a href="/recitation" class="nav-item">背诵排序</a>
+        </nav>
+
+        <main class="main">
+            <div class="analysis-container">
+                <!-- 用户登录区域 -->
+                <div id="loginSection" class="section">
+                    <h2>用户登录</h2>
+                    <div class="form-group">
+                        <label for="userId">用户ID：</label>
+                        <input type="text" id="userId" class="form-input" placeholder="请输入用户ID">
+                    </div>
+                    <button id="loginBtn" class="btn btn-primary">登录</button>
+                </div>
+
+                <!-- 分析请求区域 -->
+                <div id="requestSection" class="section" style="display: none;">
+                    <h2>营养分析</h2>
+                    <div class="form-group">
+                        <label>餐食信息：</label>
+                        <textarea id="mealData" class="form-textarea" rows="5" placeholder="请输入餐食信息，例如：&#10;早餐：燕麦粥、香蕉、牛奶&#10;热量：350大卡"></textarea>
+                    </div>
+                    <button id="analyzeBtn" class="btn btn-primary">开始分析</button>
+                </div>
+
+                <!-- 分析结果显示 -->
+                <div id="analysisSection" class="section" style="display: none;">
+                    <h2>分析结果</h2>
+                    <div id="analysisResult" class="analysis-result"></div>
+                </div>
+
+                <!-- 操作提示 -->
+                <div id="messageArea" class="message-area"></div>
+            </div>
+        </main>
+
+        <footer class="footer">
+            <p>&copy; 2024 个性化饮食推荐助手</p>
+        </footer>
+    </div>
+
+    <script src="{{ url_for('static', filename='js/analysis.js') }}"></script>
+</body>
+</html>
+

templates/data_collection.html

@@ -0,0 +1,120 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>数据采集 - 个性化饮食推荐助手</title>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/data_collection.css') }}">
+</head>
+<body>
+    <div class="container">
+        <header class="header">
+            <h1>? 数据采集</h1>
+            <p class="subtitle">建立你的个人饮食档案</p>
+        </header>
+
+        <nav class="nav">
+            <a href="/" class="nav-item">首页</a>
+            <a href="/data-collection" class="nav-item active">数据采集</a>
+            <a href="/recommendation" class="nav-item">智能推荐</a>
+            <a href="/analysis" class="nav-item">营养分析</a>
+            <a href="/recitation" class="nav-item">背诵排序</a>
+        </nav>
+
+        <main class="main">
+            <div class="data-collection-container">
+                <!-- 用户登录区域 -->
+                <div id="loginSection" class="section">
+                    <h2>用户登录</h2>
+                    <div class="form-group">
+                        <label for="userId">用户ID：</label>
+                        <input type="text" id="userId" class="form-input" placeholder="请输入用户ID">
+                    </div>
+                    <div class="form-group">
+                        <label for="userName">姓名：</label>
+                        <input type="text" id="userName" class="form-input" placeholder="请输入姓名">
+                    </div>
+                    <button id="loginBtn" class="btn btn-primary">登录/注册</button>
+                </div>
+
+                <!-- 基础信息问卷 -->
+                <div id="basicQuestionnaire" class="section" style="display: none;">
+                    <h2>基础信息问卷</h2>
+                    <div class="form-group">
+                        <label>年龄：</label>
+                        <input type="number" id="age" class="form-input" placeholder="请输入年龄">
+                    </div>
+                    <div class="form-group">
+                        <label>性别：</label>
+                        <select id="gender" class="form-input">
+                            <option value="">请选择</option>
+                            <option value="男">男</option>
+                            <option value="女">女</option>
+                        </select>
+                    </div>
+                    <div class="form-group">
+                        <label>身高（cm）：</label>
+                        <input type="number" id="height" class="form-input" placeholder="请输入身高">
+                    </div>
+                    <div class="form-group">
+                        <label>体重（kg）：</label>
+                        <input type="number" id="weight" class="form-input" placeholder="请输入体重">
+                    </div>
+                    <div class="form-group">
+                        <label>活动水平：</label>
+                        <select id="activityLevel" class="form-input">
+                            <option value="">请选择</option>
+                            <option value="久坐">久坐</option>
+                            <option value="轻度活动">轻度活动</option>
+                            <option value="中度活动">中度活动</option>
+                            <option value="高度活动">高度活动</option>
+                        </select>
+                    </div>
+                    <button id="submitBasicBtn" class="btn btn-primary">提交基础信息</button>
+                </div>
+
+                <!-- 餐食记录 -->
+                <div id="mealRecord" class="section" style="display: none;">
+                    <h2>记录餐食</h2>
+                    <div class="form-group">
+                        <label>日期：</label>
+                        <input type="date" id="mealDate" class="form-input">
+                    </div>
+                    <div class="form-group">
+                        <label>餐次：</label>
+                        <select id="mealType" class="form-input">
+                            <option value="breakfast">早餐</option>
+                            <option value="lunch">午餐</option>
+                            <option value="dinner">晚餐</option>
+                        </select>
+                    </div>
+                    <div class="form-group">
+                        <label>食物列表（每行一个）：</label>
+                        <textarea id="foods" class="form-textarea" rows="5" placeholder="例如：&#10;燕麦粥 1碗&#10;香蕉 1根&#10;牛奶 200ml"></textarea>
+                    </div>
+                    <div class="form-group">
+                        <label>热量（大卡）：</label>
+                        <input type="number" id="calories" class="form-input" placeholder="请输入热量">
+                    </div>
+                    <div class="form-group">
+                        <label>满意度（1-5分）：</label>
+                        <input type="number" id="satisfaction" class="form-input" min="1" max="5" value="3">
+                    </div>
+                    <button id="submitMealBtn" class="btn btn-primary">记录餐食</button>
+                </div>
+
+                <!-- 操作提示 -->
+                <div id="messageArea" class="message-area"></div>
+            </div>
+        </main>
+
+        <footer class="footer">
+            <p>&copy; 2024 个性化饮食推荐助手</p>
+        </footer>
+    </div>
+
+    <script src="{{ url_for('static', filename='js/data_collection.js') }}"></script>
+</body>
+</html>
+

templates/index.html

@@ -15,6 +15,9 @@
 
         <nav class="nav">
             <a href="/" class="nav-item active">首页</a>
+            <a href="/data-collection" class="nav-item">数据采集</a>
+            <a href="/recommendation" class="nav-item">智能推荐</a>
+            <a href="/analysis" class="nav-item">营养分析</a>
             <a href="/recitation" class="nav-item">背诵排序</a>
         </nav>
 
@@ -24,6 +27,24 @@
                 <p>这是一个集成了智能饮食推荐和背诵排序功能的网页应用。</p>
                 
                 <div class="feature-cards">
+                    <div class="card">
+                        <div class="card-icon">📝</div>
+                        <h3>数据采集</h3>
+                        <p>填写基础信息问卷，记录你的饮食习惯和偏好，建立个人档案。</p>
+                        <a href="/data-collection" class="btn btn-primary">开始使用</a>
+                    </div>
+                    <div class="card">
+                        <div class="card-icon">🤖</div>
+                        <h3>智能推荐</h3>
+                        <p>基于你的饮食习惯和偏好，AI为你推荐个性化的餐食搭配。</p>
+                        <a href="/recommendation" class="btn btn-primary">开始使用</a>
+                    </div>
+                    <div class="card">
+                        <div class="card-icon">🔬</div>
+                        <h3>营养分析</h3>
+                        <p>分析你的餐食营养状况，提供专业的营养建议和健康指导。</p>
+                        <a href="/analysis" class="btn btn-primary">开始使用</a>
+                    </div>
                     <div class="card">
                         <div class="card-icon">🎯</div>
                         <h3>背诵排序</h3>

templates/recitation.html

@@ -56,6 +56,11 @@
                 <!-- 排序结果显示 -->
                 <div id="resultSection" class="result-section" style="display: none;">
                     <h2>随机排序结果</h2>
+                    <div class="export-buttons">
+                        <button id="exportTxtBtn" class="btn btn-export">导出为TXT</button>
+                        <button id="exportJsonBtn" class="btn btn-export">导出为JSON</button>
+                        <button id="exportCsvBtn" class="btn btn-export">导出为CSV</button>
+                    </div>
                     <div id="sortedList" class="sorted-list"></div>
                     <button id="resetBtn" class="btn btn-secondary">重新开始</button>
                 </div>

templates/recommendation.html

@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>智能推荐 - 个性化饮食推荐助手</title>
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/recommendation.css') }}">
+</head>
+<body>
+    <div class="container">
+        <header class="header">
+            <h1>? 智能推荐</h1>
+            <p class="subtitle">基于AI的个性化餐食推荐</p>
+        </header>
+
+        <nav class="nav">
+            <a href="/" class="nav-item">首页</a>
+            <a href="/data-collection" class="nav-item">数据采集</a>
+            <a href="/recommendation" class="nav-item active">智能推荐</a>
+            <a href="/analysis" class="nav-item">营养分析</a>
+            <a href="/recitation" class="nav-item">背诵排序</a>
+        </nav>
+
+        <main class="main">
+            <div class="recommendation-container">
+                <!-- 用户登录区域 -->
+                <div id="loginSection" class="section">
+                    <h2>用户登录</h2>
+                    <div class="form-group">
+                        <label for="userId">用户ID：</label>
+                        <input type="text" id="userId" class="form-input" placeholder="请输入用户ID">
+                    </div>
+                    <button id="loginBtn" class="btn btn-primary">登录</button>
+                </div>
+
+                <!-- 推荐请求区域 -->
+                <div id="requestSection" class="section" style="display: none;">
+                    <h2>获取推荐</h2>
+                    <div class="form-group">
+                        <label>餐次：</label>
+                        <select id="mealType" class="form-input">
+                            <option value="breakfast">早餐</option>
+                            <option value="lunch">午餐</option>
+                            <option value="dinner">晚餐</option>
+                        </select>
+                    </div>
+                    <button id="getRecommendationBtn" class="btn btn-primary">获取推荐</button>
+                </div>
+
+                <!-- 推荐结果显示 -->
+                <div id="recommendationsSection" class="section" style="display: none;">
+                    <h2>推荐结果</h2>
+                    <div id="recommendationsList" class="recommendations-list"></div>
+                </div>
+
+                <!-- 操作提示 -->
+                <div id="messageArea" class="message-area"></div>
+            </div>
+        </main>
+
+        <footer class="footer">
+            <p>&copy; 2024 个性化饮食推荐助手</p>
+        </footer>
+    </div>
+
+    <script src="{{ url_for('static', filename='js/recommendation.js') }}"></script>
+</body>
+</html>
+

web_app.py

@@ -3,11 +3,20 @@
 网页端应用 - 个性化饮食推荐助手 + 背诵排序功能
 """
 
-from flask import Flask, render_template, request, jsonify
+from flask import Flask, render_template, request, jsonify, session, Response
 import re
 import random
 import logging
+import json
 from pathlib import Path
+from datetime import datetime
+
+# 导入业务模块
+from core.base import BaseConfig, AppCore, ModuleManager, ModuleType, initialize_app
+from modules.data_collection import DataCollectionModule
+from modules.ai_analysis import AIAnalysisModule
+from modules.recommendation_engine import RecommendationEngine
+from modules.ocr_calorie_recognition import OCRCalorieRecognitionModule
 
 # 配置日志
 logging.basicConfig(
@@ -27,6 +36,43 @@ app.config['SECRET_KEY'] = 'your-secret-key-here'
 app.jinja_env.auto_reload = True
 app.config['TEMPLATES_AUTO_RELOAD'] = True
 
+# 确保所有响应使用UTF-8编码
+@app.after_request
+def after_request(response):
+    """确保所有响应使用UTF-8编码"""
+    response.headers['Content-Type'] = response.headers.get('Content-Type', 'text/html; charset=utf-8')
+    if 'charset=' not in response.headers.get('Content-Type', ''):
+        if response.headers.get('Content-Type', '').startswith('text/html'):
+            response.headers['Content-Type'] = 'text/html; charset=utf-8'
+        elif response.headers.get('Content-Type', '').startswith('application/json'):
+            response.headers['Content-Type'] = 'application/json; charset=utf-8'
+    return response
+
+# 初始化应用核心（延迟加载，避免在导入时就初始化）
+app_core = None
+config = None
+
+def get_app_core():
+    """获取应用核心实例（延迟初始化）"""
+    global app_core, config
+    if app_core is None:
+        config = BaseConfig()
+        if initialize_app(config):
+            app_core = AppCore(config)
+            # 注册所有模块
+            module_manager = ModuleManager(config)
+            module_manager.register_module(DataCollectionModule(config))
+            module_manager.register_module(AIAnalysisModule(config))
+            module_manager.register_module(RecommendationEngine(config))
+            module_manager.register_module(OCRCalorieRecognitionModule(config))
+            module_manager.initialize_all()
+            app_core.module_manager = module_manager
+            app_core.start()
+            logger.info("应用核心初始化完成")
+        else:
+            logger.error("应用核心初始化失败")
+    return app_core
+
 
 class RecitationSorter:
     """背诵排序器"""
@@ -110,13 +156,31 @@ sorter = RecitationSorter()
 @app.route('/')
 def index():
     """首页"""
-    return render_template('index.html')
+    return render_template('index.html', encoding='utf-8')
 
 
 @app.route('/recitation')
 def recitation():
     """背诵排序页面"""
-    return render_template('recitation.html')
+    return render_template('recitation.html', encoding='utf-8')
+
+
+@app.route('/data-collection')
+def data_collection():
+    """数据采集页面"""
+    return render_template('data_collection.html', encoding='utf-8')
+
+
+@app.route('/recommendation')
+def recommendation():
+    """推荐页面"""
+    return render_template('recommendation.html', encoding='utf-8')
+
+
+@app.route('/analysis')
+def analysis():
+    """分析页面"""
+    return render_template('analysis.html', encoding='utf-8')
 
 
 @app.route('/api/extract', methods=['POST'])
@@ -189,6 +253,322 @@ def sort_items():
         }), 500
 
 
+@app.route('/api/export/sorted', methods=['POST'])
+def export_sorted():
+    """导出排序结果"""
+    try:
+        data = request.get_json()
+        items = data.get('items', [])
+        export_format = data.get('format', 'txt')  # txt, json, csv
+        
+        if not items:
+            return jsonify({
+                'success': False,
+                'message': '没有可导出的数据'
+            }), 400
+        
+        if export_format == 'json':
+            content = json.dumps({
+                'items': items,
+                'count': len(items),
+                'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+            }, ensure_ascii=False, indent=2)
+            filename = f'背诵排序结果_{datetime.now().strftime("%Y%m%d_%H%M%S")}.json'
+            mimetype = 'application/json; charset=utf-8'
+        elif export_format == 'csv':
+            import csv
+            import io
+            output = io.StringIO()
+            writer = csv.writer(output)
+            writer.writerow(['序号', '知识点'])
+            for i, item in enumerate(items, 1):
+                writer.writerow([i, item])
+            content = output.getvalue()
+            filename = f'背诵排序结果_{datetime.now().strftime("%Y%m%d_%H%M%S")}.csv'
+            mimetype = 'text/csv; charset=utf-8'
+        else:  # txt
+            content_lines = ['背诵排序结果', '=' * 50, '']
+            for i, item in enumerate(items, 1):
+                content_lines.append(f'{i}. {item}')
+            content_lines.extend(['', '=' * 50, f'导出时间: {datetime.now().strftime("%Y-%m-%d %H:%M:%S")}'])
+            content = '\n'.join(content_lines)
+            filename = f'背诵排序结果_{datetime.now().strftime("%Y%m%d_%H%M%S")}.txt'
+            mimetype = 'text/plain; charset=utf-8'
+        
+        response = Response(
+            content.encode('utf-8'),
+            mimetype=mimetype,
+            headers={
+                'Content-Disposition': f'attachment; filename="{filename}"'
+            }
+        )
+        
+        return response
+    
+    except Exception as e:
+        logger.error(f"导出失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'导出失败: {str(e)}'
+        }), 500
+
+
+# ==================== 业务功能API ====================
+
+@app.route('/api/user/login', methods=['POST'])
+def user_login():
+    """用户登录"""
+    try:
+        data = request.get_json()
+        user_id = data.get('user_id', '').strip()
+        
+        if not user_id:
+            return jsonify({
+                'success': False,
+                'message': '请输入用户ID'
+            }), 400
+        
+        # 获取用户数据（如果不存在会自动创建）
+        core = get_app_core()
+        user_data = core.get_user_data(user_id)
+        
+        if user_data:
+            session['user_id'] = user_id
+            return jsonify({
+                'success': True,
+                'user_id': user_id,
+                'name': user_data.profile.get('name', '未设置')
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'message': '用户数据获取失败'
+            }), 500
+    
+    except Exception as e:
+        logger.error(f"用户登录失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'登录失败: {str(e)}'
+        }), 500
+
+
+@app.route('/api/user/register', methods=['POST'])
+def user_register():
+    """用户注册"""
+    try:
+        data = request.get_json()
+        user_id = data.get('user_id', '').strip()
+        name = data.get('name', '').strip()
+        
+        if not user_id or not name:
+            return jsonify({
+                'success': False,
+                'message': '请输入用户ID和姓名'
+            }), 400
+        
+        core = get_app_core()
+        user_data = core.get_user_data(user_id)
+        
+        # 更新用户基本信息
+        user_data.profile['name'] = name
+        core.data_manager.save_user_data(user_data)
+        
+        session['user_id'] = user_id
+        return jsonify({
+            'success': True,
+            'user_id': user_id,
+            'name': name
+        })
+    
+    except Exception as e:
+        logger.error(f"用户注册失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'注册失败: {str(e)}'
+        }), 500
+
+
+@app.route('/api/questionnaire/submit', methods=['POST'])
+def submit_questionnaire():
+    """提交问卷"""
+    try:
+        user_id = session.get('user_id') or request.json.get('user_id')
+        if not user_id:
+            return jsonify({
+                'success': False,
+                'message': '请先登录'
+            }), 401
+        
+        data = request.get_json()
+        questionnaire_type = data.get('type', 'basic')  # basic, taste, physiological
+        answers = data.get('answers', {})
+        
+        core = get_app_core()
+        input_data = {
+            'type': 'questionnaire',
+            'questionnaire_type': questionnaire_type,
+            'answers': answers
+        }
+        
+        result = core.process_user_request(ModuleType.DATA_COLLECTION, input_data, user_id)
+        
+        if result and result.result.get('success', False):
+            return jsonify({
+                'success': True,
+                'message': '问卷提交成功'
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'message': result.result.get('message', '问卷提交失败') if result else '处理失败'
+            }), 500
+    
+    except Exception as e:
+        logger.error(f"提交问卷失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'提交失败: {str(e)}'
+        }), 500
+
+
+@app.route('/api/meal/record', methods=['POST'])
+def record_meal():
+    """记录餐食"""
+    try:
+        user_id = session.get('user_id') or request.json.get('user_id')
+        if not user_id:
+            return jsonify({
+                'success': False,
+                'message': '请先登录'
+            }), 401
+        
+        data = request.get_json()
+        meal_data = {
+            'date': data.get('date', datetime.now().strftime('%Y-%m-%d')),
+            'meal_type': data.get('meal_type', 'lunch'),  # breakfast, lunch, dinner
+            'foods': data.get('foods', []),
+            'quantities': data.get('quantities', []),
+            'calories': data.get('calories', 0),
+            'satisfaction_score': data.get('satisfaction_score', 3),
+            'notes': data.get('notes', '')
+        }
+        
+        core = get_app_core()
+        input_data = {
+            'type': 'meal_record',
+            **meal_data
+        }
+        
+        result = core.process_user_request(ModuleType.DATA_COLLECTION, input_data, user_id)
+        
+        if result and result.result.get('success', False):
+            return jsonify({
+                'success': True,
+                'message': '餐食记录成功'
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'message': result.result.get('message', '记录失败') if result else '处理失败'
+            }), 500
+    
+    except Exception as e:
+        logger.error(f"记录餐食失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'记录失败: {str(e)}'
+        }), 500
+
+
+@app.route('/api/recommendation/get', methods=['POST'])
+def get_recommendations():
+    """获取餐食推荐"""
+    try:
+        user_id = session.get('user_id') or request.json.get('user_id')
+        if not user_id:
+            return jsonify({
+                'success': False,
+                'message': '请先登录'
+            }), 401
+        
+        data = request.get_json()
+        meal_type = data.get('meal_type', 'lunch')
+        preferences = data.get('preferences', {})
+        context = data.get('context', {})
+        
+        core = get_app_core()
+        input_data = {
+            'type': 'meal_recommendation',
+            'meal_type': meal_type,
+            'preferences': preferences,
+            'context': context
+        }
+        
+        result = core.process_user_request(ModuleType.RECOMMENDATION, input_data, user_id)
+        
+        if result and result.result.get('success', False):
+            return jsonify({
+                'success': True,
+                'recommendations': result.result.get('recommendations', [])
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'message': result.result.get('message', '推荐失败') if result else '处理失败',
+                'recommendations': []
+            }), 500
+    
+    except Exception as e:
+        logger.error(f"获取推荐失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'获取失败: {str(e)}',
+            'recommendations': []
+        }), 500
+
+
+@app.route('/api/analysis/nutrition', methods=['POST'])
+def analyze_nutrition():
+    """营养分析"""
+    try:
+        user_id = session.get('user_id') or request.json.get('user_id')
+        if not user_id:
+            return jsonify({
+                'success': False,
+                'message': '请先登录'
+            }), 401
+        
+        data = request.get_json()
+        meal_data = data.get('meal_data', {})
+        
+        core = get_app_core()
+        input_data = {
+            'type': 'nutrition_analysis',
+            'meal_data': meal_data
+        }
+        
+        result = core.process_user_request(ModuleType.USER_ANALYSIS, input_data, user_id)
+        
+        if result and result.result.get('success', False):
+            return jsonify({
+                'success': True,
+                'analysis': result.result.get('analysis', {})
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'message': result.result.get('message', '分析失败') if result else '处理失败'
+            }), 500
+    
+    except Exception as e:
+        logger.error(f"营养分析失败: {e}")
+        return jsonify({
+            'success': False,
+            'message': f'分析失败: {str(e)}'
+        }), 500
+
+
 @app.route('/health')
 def health():
     """健康检查"""