docs: 合并并更新通知系统文档至 v3.0.0
主要更新: - 合并 ENHANCED_FEATURES_GUIDE.md 到 NOTIFICATION_SYSTEM.md - 移除过时的 Mock 模式和测试工具引用 - 更新所有调试工具为 window.__DEBUG__ - 完善增强功能文档(智能桌面通知、性能监控、历史记录) - 重新组织文档结构为 10 个清晰的部分 - 更新所有代码示例与最新代码保持一致 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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# 通知系统增强功能 - 使用指南
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## 📋 概述
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本指南介绍通知系统的三大增强功能:
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1. **智能桌面通知** - 自动请求权限,系统级通知
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2. **性能监控** - 追踪推送效果,数据驱动优化
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3. **历史记录** - 持久化存储,随时查询
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---
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## 🎯 功能 1:智能桌面通知
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### 功能说明
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首次收到重要/紧急通知时,自动请求浏览器通知权限,确保用户不错过关键信息。
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### 工作原理
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```javascript
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// 在 NotificationContext 中的逻辑
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if (priority === URGENT || priority === IMPORTANT) {
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if (browserPermission === 'default' && !hasRequestedPermission) {
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// 首次遇到重要通知,自动请求权限
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await requestBrowserPermission();
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setHasRequestedPermission(true); // 避免重复请求
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}
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}
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```
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### 权限状态
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- **granted**: 已授权,可以发送桌面通知
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- **denied**: 已拒绝,无法发送桌面通知
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- **default**: 未请求,首次重要通知时会自动请求
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### 使用示例
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**自动触发**(推荐)
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```javascript
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// 无需任何代码,系统自动处理
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// 首次收到重要/紧急通知时会自动弹出权限请求
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```
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**手动请求**
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```javascript
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import { useNotification } from 'contexts/NotificationContext';
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function SettingsPage() {
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const { requestBrowserPermission, browserPermission } = useNotification();
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return (
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<div>
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<p>当前状态: {browserPermission}</p>
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<button onClick={requestBrowserPermission}>
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开启桌面通知
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</button>
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</div>
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);
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}
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```
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### 通知分发策略
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| 优先级 | 页面在前台 | 页面在后台 |
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|-------|----------|----------|
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| 紧急 | 桌面通知 + 网页通知 | 桌面通知 + 网页通知 |
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| 重要 | 网页通知 | 桌面通知 |
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| 普通 | 网页通知 | 网页通知 |
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### 测试步骤
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1. **清除已保存的权限状态**
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```javascript
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localStorage.removeItem('browser_notification_requested');
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```
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2. **刷新页面**
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3. **触发一个重要/紧急通知**
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- Mock 模式:等待自动推送
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- Real 模式:创建测试事件
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4. **观察权限请求弹窗**
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- 浏览器会弹出通知权限请求
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- 点击"允许"授权
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5. **验证桌面通知**
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- 切换到其他标签页
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- 收到重要通知时应该看到桌面通知
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---
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## 📊 功能 2:性能监控
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### 功能说明
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追踪通知推送的各项指标,包括:
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- **到达率**: 发送 vs 接收
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- **点击率**: 点击 vs 接收
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- **响应时间**: 收到通知到点击的平均时间
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- **类型分布**: 各类型通知的数量和效果
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- **时段分布**: 每小时推送量
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### API 参考
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#### 获取汇总统计
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```javascript
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import { notificationMetricsService } from 'services/notificationMetricsService';
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const summary = notificationMetricsService.getSummary();
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console.log(summary);
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/* 输出:
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{
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totalSent: 100,
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totalReceived: 98,
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totalClicked: 45,
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totalDismissed: 53,
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avgResponseTime: 5200, // 毫秒
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clickRate: '45.92', // 百分比
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deliveryRate: '98.00' // 百分比
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}
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*/
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```
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#### 获取按类型统计
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```javascript
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const byType = notificationMetricsService.getByType();
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console.log(byType);
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/* 输出:
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{
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announcement: { sent: 20, received: 20, clicked: 15, dismissed: 5, clickRate: '75.00' },
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stock_alert: { sent: 30, received: 30, clicked: 20, dismissed: 10, clickRate: '66.67' },
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event_alert: { sent: 40, received: 38, clicked: 10, dismissed: 28, clickRate: '26.32' },
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analysis_report: { sent: 10, received: 10, clicked: 0, dismissed: 10, clickRate: '0.00' }
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}
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*/
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```
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#### 获取按优先级统计
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```javascript
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const byPriority = notificationMetricsService.getByPriority();
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console.log(byPriority);
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/* 输出:
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{
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urgent: { sent: 10, received: 10, clicked: 9, dismissed: 1, clickRate: '90.00' },
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important: { sent: 40, received: 39, clicked: 25, dismissed: 14, clickRate: '64.10' },
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normal: { sent: 50, received: 49, clicked: 11, dismissed: 38, clickRate: '22.45' }
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}
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*/
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```
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#### 获取每日数据
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```javascript
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const dailyData = notificationMetricsService.getDailyData(7); // 最近 7 天
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console.log(dailyData);
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/* 输出:
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[
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{ date: '2025-01-15', sent: 15, received: 14, clicked: 6, dismissed: 8, clickRate: '42.86' },
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{ date: '2025-01-16', sent: 20, received: 20, clicked: 10, dismissed: 10, clickRate: '50.00' },
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...
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]
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*/
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```
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#### 获取完整指标
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```javascript
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const allMetrics = notificationMetricsService.getAllMetrics();
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console.log(allMetrics);
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```
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#### 导出数据
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```javascript
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// 导出为 JSON
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const json = notificationMetricsService.exportToJSON();
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console.log(json);
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// 导出为 CSV
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const csv = notificationMetricsService.exportToCSV();
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console.log(csv);
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```
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#### 重置指标
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```javascript
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notificationMetricsService.reset();
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```
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### 在控制台查看实时指标
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打开浏览器控制台,执行:
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```javascript
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// 引入服务
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import { notificationMetricsService } from './services/notificationMetricsService.js';
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// 查看汇总
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console.table(notificationMetricsService.getSummary());
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// 查看按类型分布
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console.table(notificationMetricsService.getByType());
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// 查看最近 7 天数据
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console.table(notificationMetricsService.getDailyData(7));
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```
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### 监控埋点(自动)
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监控服务已自动集成到 `NotificationContext`,无需手动调用:
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- **trackReceived**: 收到通知时自动调用
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- **trackClicked**: 点击通知时自动调用
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- **trackDismissed**: 关闭通知时自动调用
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### 可视化展示(可选)
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你可以基于监控数据创建仪表板:
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```javascript
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import { notificationMetricsService } from 'services/notificationMetricsService';
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import { PieChart, LineChart } from 'recharts';
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function MetricsDashboard() {
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const summary = notificationMetricsService.getSummary();
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const dailyData = notificationMetricsService.getDailyData(7);
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const byType = notificationMetricsService.getByType();
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return (
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<div>
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{/* 汇总卡片 */}
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<StatsCard title="总推送数" value={summary.totalSent} />
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<StatsCard title="点击率" value={`${summary.clickRate}%`} />
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<StatsCard title="平均响应时间" value={`${summary.avgResponseTime}ms`} />
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{/* 类型分布饼图 */}
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<PieChart data={Object.entries(byType).map(([type, data]) => ({
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name: type,
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value: data.received
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}))} />
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{/* 每日趋势折线图 */}
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<LineChart data={dailyData} />
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</div>
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);
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}
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```
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---
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## 📜 功能 3:历史记录
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### 功能说明
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持久化存储所有接收到的通知,支持:
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- 查询和筛选
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- 搜索关键词
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- 标记已读/已点击
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- 批量删除
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- 导出(JSON/CSV)
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### API 参考
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#### 获取历史记录(支持筛选和分页)
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```javascript
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import { notificationHistoryService } from 'services/notificationHistoryService';
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const result = notificationHistoryService.getHistory({
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type: 'event_alert', // 可选:筛选类型
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priority: 'urgent', // 可选:筛选优先级
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readStatus: 'unread', // 可选:'read' | 'unread' | 'all'
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startDate: Date.now() - 7 * 24 * 60 * 60 * 1000, // 可选:开始日期
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endDate: Date.now(), // 可选:结束日期
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page: 1, // 页码
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pageSize: 20, // 每页数量
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});
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console.log(result);
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/* 输出:
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{
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records: [...], // 当前页的记录
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total: 150, // 总记录数
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page: 1, // 当前页
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pageSize: 20, // 每页数量
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totalPages: 8 // 总页数
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}
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*/
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```
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#### 搜索历史记录
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```javascript
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const results = notificationHistoryService.searchHistory('降准');
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console.log(results); // 返回标题/内容中包含"降准"的所有记录
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```
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#### 标记已读/已点击
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```javascript
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// 标记已读
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notificationHistoryService.markAsRead('notification_id');
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// 标记已点击
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notificationHistoryService.markAsClicked('notification_id');
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```
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#### 删除记录
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```javascript
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// 删除单条
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notificationHistoryService.deleteRecord('notification_id');
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// 批量删除
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notificationHistoryService.deleteRecords(['id1', 'id2', 'id3']);
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// 清空所有
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notificationHistoryService.clearHistory();
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```
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#### 获取统计数据
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```javascript
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const stats = notificationHistoryService.getStats();
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console.log(stats);
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/* 输出:
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{
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total: 500, // 总记录数
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read: 320, // 已读数
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unread: 180, // 未读数
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clicked: 150, // 已点击数
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clickRate: '30.00', // 点击率
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byType: { // 按类型统计
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announcement: 100,
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stock_alert: 150,
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event_alert: 200,
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analysis_report: 50
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},
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byPriority: { // 按优先级统计
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urgent: 50,
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important: 200,
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normal: 250
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}
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}
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*/
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```
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#### 导出历史记录
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```javascript
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// 导出为 JSON 字符串
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const json = notificationHistoryService.exportToJSON({
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type: 'event_alert' // 可选:只导出特定类型
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});
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// 导出为 CSV 字符串
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const csv = notificationHistoryService.exportToCSV();
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// 直接下载 JSON 文件
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notificationHistoryService.downloadJSON();
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// 直接下载 CSV 文件
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notificationHistoryService.downloadCSV();
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```
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### 在控制台使用
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打开浏览器控制台,执行:
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```javascript
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// 引入服务
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import { notificationHistoryService } from './services/notificationHistoryService.js';
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// 查看所有历史
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console.table(notificationHistoryService.getHistory().records);
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// 搜索
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const results = notificationHistoryService.searchHistory('央行');
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console.table(results);
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// 查看统计
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console.table(notificationHistoryService.getStats());
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// 导出并下载
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notificationHistoryService.downloadJSON();
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```
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### 数据结构
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每条历史记录包含:
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```javascript
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{
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id: 'notif_123', // 通知 ID
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notification: { // 完整通知对象
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type: 'event_alert',
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priority: 'urgent',
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title: '...',
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content: '...',
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...
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},
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receivedAt: 1737459600000, // 接收时间戳
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readAt: 1737459650000, // 已读时间戳(null 表示未读)
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clickedAt: null, // 已点击时间戳(null 表示未点击)
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}
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```
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### 存储限制
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- **最大数量**: 500 条(超过后自动删除最旧的)
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- **存储位置**: localStorage
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- **容量估算**: 约 2-5MB(取决于通知内容长度)
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---
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## 🔧 技术细节
|
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### 文件结构
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```
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src/
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├── services/
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│ ├── browserNotificationService.js [已存在] 浏览器通知服务
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│ ├── notificationMetricsService.js [新建] 性能监控服务
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│ └── notificationHistoryService.js [新建] 历史记录服务
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├── contexts/
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│ └── NotificationContext.js [修改] 集成所有功能
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└── components/
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└── NotificationContainer/
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└── index.js [修改] 添加点击追踪
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```
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### 修改清单
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| 文件 | 修改内容 | 状态 |
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|------|---------|------|
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| `NotificationContext.js` | 添加智能权限请求、监控埋点、历史保存 | ✅ 已完成 |
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| `NotificationContainer/index.js` | 添加点击追踪 | ✅ 已完成 |
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| `notificationMetricsService.js` | 性能监控服务 | ✅ 已创建 |
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| `notificationHistoryService.js` | 历史记录服务 | ✅ 已创建 |
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### 数据流
|
||||
|
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```
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用户收到通知
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||||
↓
|
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NotificationContext.addWebNotification()
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├─ notificationMetricsService.trackReceived() [监控埋点]
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├─ notificationHistoryService.saveNotification() [历史保存]
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├─ 首次重要通知 → requestBrowserPermission() [智能权限]
|
||||
└─ 显示网页通知或桌面通知
|
||||
|
||||
用户点击通知
|
||||
↓
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||||
NotificationContainer.handleClick()
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├─ notificationMetricsService.trackClicked() [监控埋点]
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├─ notificationHistoryService.markAsClicked() [历史标记]
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└─ 跳转到目标页面
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用户关闭通知
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↓
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NotificationContext.removeNotification()
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└─ notificationMetricsService.trackDismissed() [监控埋点]
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||||
```
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---
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||||
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||||
## 🧪 测试步骤
|
||||
|
||||
### 1. 测试智能桌面通知
|
||||
|
||||
```bash
|
||||
# 1. 清除已保存的权限状态
|
||||
localStorage.removeItem('browser_notification_requested');
|
||||
|
||||
# 2. 刷新页面
|
||||
|
||||
# 3. 等待或触发一个重要/紧急通知
|
||||
|
||||
# 4. 观察浏览器弹出权限请求
|
||||
|
||||
# 5. 授权后验证桌面通知功能
|
||||
```
|
||||
|
||||
### 2. 测试性能监控
|
||||
|
||||
```javascript
|
||||
// 在控制台执行
|
||||
import { notificationMetricsService } from './services/notificationMetricsService.js';
|
||||
|
||||
// 查看实时统计
|
||||
console.table(notificationMetricsService.getSummary());
|
||||
|
||||
// 模拟推送几条通知,再次查看
|
||||
console.table(notificationMetricsService.getAllMetrics());
|
||||
|
||||
// 导出数据
|
||||
console.log(notificationMetricsService.exportToJSON());
|
||||
```
|
||||
|
||||
### 3. 测试历史记录
|
||||
|
||||
```javascript
|
||||
// 在控制台执行
|
||||
import { notificationHistoryService } from './services/notificationHistoryService.js';
|
||||
|
||||
// 查看历史
|
||||
console.table(notificationHistoryService.getHistory().records);
|
||||
|
||||
// 搜索
|
||||
console.table(notificationHistoryService.searchHistory('降准'));
|
||||
|
||||
// 查看统计
|
||||
console.table(notificationHistoryService.getStats());
|
||||
|
||||
// 导出
|
||||
notificationHistoryService.downloadJSON();
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📈 数据导出示例
|
||||
|
||||
### 导出性能监控数据
|
||||
|
||||
```javascript
|
||||
import { notificationMetricsService } from 'services/notificationMetricsService';
|
||||
|
||||
// 导出 JSON
|
||||
const json = notificationMetricsService.exportToJSON();
|
||||
// 复制到剪贴板或保存
|
||||
|
||||
// 导出 CSV
|
||||
const csv = notificationMetricsService.exportToCSV();
|
||||
// 可以在 Excel 中打开
|
||||
```
|
||||
|
||||
### 导出历史记录
|
||||
|
||||
```javascript
|
||||
import { notificationHistoryService } from 'services/notificationHistoryService';
|
||||
|
||||
// 导出最近 7 天的事件动向通知
|
||||
const json = notificationHistoryService.exportToJSON({
|
||||
type: 'event_alert',
|
||||
startDate: Date.now() - 7 * 24 * 60 * 60 * 1000
|
||||
});
|
||||
|
||||
// 直接下载为文件
|
||||
notificationHistoryService.downloadJSON({
|
||||
type: 'event_alert'
|
||||
});
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## ⚠️ 注意事项
|
||||
|
||||
### 1. localStorage 容量限制
|
||||
|
||||
- 大多数浏览器限制为 5-10MB
|
||||
- 建议定期清理历史记录和监控数据
|
||||
- 使用导出功能备份数据
|
||||
|
||||
### 2. 浏览器兼容性
|
||||
|
||||
- **桌面通知**: 需要 HTTPS 或 localhost
|
||||
- **localStorage**: 所有现代浏览器支持
|
||||
- **权限请求**: 需要用户交互(不能自动授权)
|
||||
|
||||
### 3. 隐私和数据安全
|
||||
|
||||
- 所有数据存储在本地(localStorage)
|
||||
- 不会上传到服务器
|
||||
- 用户可以随时清空数据
|
||||
|
||||
### 4. 性能影响
|
||||
|
||||
- 监控埋点非常轻量,几乎无性能影响
|
||||
- 历史记录保存异步进行,不阻塞 UI
|
||||
- 数据查询在客户端完成,不增加服务器负担
|
||||
|
||||
---
|
||||
|
||||
## 🎉 总结
|
||||
|
||||
### 已实现的功能
|
||||
|
||||
✅ **智能桌面通知**
|
||||
- 首次重要通知时自动请求权限
|
||||
- 智能分发策略(前台/后台)
|
||||
- localStorage 持久化权限状态
|
||||
|
||||
✅ **性能监控**
|
||||
- 到达率、点击率、响应时间追踪
|
||||
- 按类型、优先级、时段统计
|
||||
- 数据导出(JSON/CSV)
|
||||
|
||||
✅ **历史记录**
|
||||
- 持久化存储(最多 500 条)
|
||||
- 筛选、搜索、分页
|
||||
- 已读/已点击标记
|
||||
- 数据导出(JSON/CSV)
|
||||
|
||||
### 未实现的功能(备份,待上线)
|
||||
|
||||
⏸️ 历史记录页面 UI(代码已备份,随时可上线)
|
||||
⏸️ 监控仪表板 UI(可选,暂未实现)
|
||||
|
||||
### 下一步建议
|
||||
|
||||
1. **用户设置页面**: 允许用户自定义通知偏好
|
||||
2. **声音提示**: 为紧急通知添加音效
|
||||
3. **数据同步**: 将历史和监控数据同步到服务器
|
||||
4. **高级筛选**: 添加更多筛选维度(如关键词、股票代码等)
|
||||
|
||||
---
|
||||
|
||||
**文档版本**: v1.0
|
||||
**最后更新**: 2025-01-21
|
||||
**维护者**: Claude Code
|
||||
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Block a user