perf: 实时监控改为缓存+分页架构
后端: - 每2分钟刷新全量数据到内存缓存(并行查询两库) - 预计算统计信息(totalToday/totalAll/onlineCount/vehicleCount) - 预提取筛选选项(departments/customers/plates) - API 直接从缓存读取,支持分页(每页50条)+筛选+排序 前端: - KPI 统计使用后端返回的 stats - 车辆列表分页,带翻页控件 - 筛选选项从后端 filters 获取 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@@ -12,7 +12,7 @@ export async function fetchMonitoring(params?: {
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sortBy?: string;
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sortOrder?: string;
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limit?: number;
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offset?: number;
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page?: number;
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search?: string;
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dept?: string;
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customer?: string;
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@@ -21,7 +21,7 @@ export async function fetchMonitoring(params?: {
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if (params?.sortBy) query.set('sortBy', params.sortBy);
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if (params?.sortOrder) query.set('sortOrder', params.sortOrder);
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if (params?.limit) query.set('limit', String(params.limit));
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if (params?.offset) query.set('offset', String(params.offset));
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if (params?.page) query.set('page', String(params.page));
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if (params?.search) query.set('search', params.search);
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if (params?.dept) query.set('dept', params.dept);
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if (params?.customer) query.set('customer', params.customer);
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