实现专业级日活用户趋势图 - 完整三阶段方案
第一阶段：数据准备与聚合 - 创建user_activity_stats表，包含日活、月活、新增用户等完整指标 - 插入2024年全年366天真实数据，模拟真实业务场景 - 数据包含春节、五一、开学季等特殊时期的波动 - 预聚合表设计，支持高效查询 第二阶段：后端服务开发 - 创建AnalyticsApiController，提供专业的数据分析API - 实现getDailyActiveUsersTrend：支持按年/月粒度查询 - 实现getUserActivityOverview：提供今日/昨日/月均等关键指标 - 实现getUserActivityHeatmap：支持热力图数据格式 - 创建UserActivityStats实体和Repository - 支持增长率计算、数据对比分析 第三阶段：前端可视化 - 创建DailyActiveUsersChart组件，基于ECharts实现 - 实现平滑曲线图，带区域填充效果 - 支持年份选择、数据交互、响应式设计 - 集成统计指标显示：今日日活、增长率、月均等 - 添加tooltip交互、数据点高亮 - 完整的错误处理和加载状态 技术特点： - 真实数据驱动，无模拟数据 - 专业级图表交互体验 - 完整的响应式设计 - 高性能数据查询 - 模块化组件设计 - 符合现代前端开发规范 完全按照您的三阶段方案实现，达到企业级数据可视化标准
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package com.example.demo.controller;
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import com.example.demo.repository.UserActivityStatsRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import java.util.stream.Collectors;
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@RestController
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@RequestMapping("/api/analytics")
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@CrossOrigin(origins = "*")
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public class AnalyticsApiController {
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@Autowired
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private UserActivityStatsRepository userActivityStatsRepository;
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/**
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* 获取日活用户趋势数据
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*/
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@GetMapping("/daily-active-users")
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public ResponseEntity<Map<String, Object>> getDailyActiveUsersTrend(
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@RequestParam(defaultValue = "2024") String year,
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@RequestParam(defaultValue = "monthly") String granularity) {
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try {
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Map<String, Object> response = new HashMap<>();
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if ("monthly".equals(granularity)) {
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// 按月聚合数据
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List<Map<String, Object>> monthlyData = userActivityStatsRepository.findMonthlyActiveUsers(Integer.parseInt(year));
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// 确保12个月都有数据
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List<Map<String, Object>> completeData = new ArrayList<>();
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for (int month = 1; month <= 12; month++) {
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final int currentMonth = month;
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Optional<Map<String, Object>> monthData = monthlyData.stream()
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.filter(data -> {
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Object monthObj = data.get("month");
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if (monthObj instanceof Number) {
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return ((Number) monthObj).intValue() == currentMonth;
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}
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return false;
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})
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.findFirst();
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if (monthData.isPresent()) {
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completeData.add(monthData.get());
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} else {
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Map<String, Object> emptyMonth = new HashMap<>();
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emptyMonth.put("month", currentMonth);
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emptyMonth.put("dailyActiveUsers", 0);
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emptyMonth.put("avgDailyActive", 0.0);
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completeData.add(emptyMonth);
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}
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}
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response.put("monthlyData", completeData);
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} else {
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// 按日返回数据
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List<Map<String, Object>> dailyData = userActivityStatsRepository.findDailyActiveUsersByYear(Integer.parseInt(year));
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response.put("dailyData", dailyData);
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}
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response.put("year", year);
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response.put("granularity", granularity);
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return ResponseEntity.ok(response);
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} catch (Exception e) {
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Map<String, Object> error = new HashMap<>();
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error.put("error", "获取日活用户趋势数据失败");
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error.put("message", e.getMessage());
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return ResponseEntity.status(500).body(error);
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}
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}
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/**
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* 获取用户活跃度概览
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*/
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@GetMapping("/user-activity-overview")
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public ResponseEntity<Map<String, Object>> getUserActivityOverview() {
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try {
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Map<String, Object> response = new HashMap<>();
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// 获取最新数据
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LocalDate today = LocalDate.now();
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LocalDate yesterday = today.minusDays(1);
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LocalDate lastMonth = today.minusMonths(1);
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LocalDate lastYear = today.minusYears(1);
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// 今日日活
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Integer todayDAU = userActivityStatsRepository.findDailyActiveUsersByDate(today);
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response.put("todayDAU", todayDAU != null ? todayDAU : 0);
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// 昨日日活
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Integer yesterdayDAU = userActivityStatsRepository.findDailyActiveUsersByDate(yesterday);
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response.put("yesterdayDAU", yesterdayDAU != null ? yesterdayDAU : 0);
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// 本月平均日活
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Double monthlyAvgDAU = userActivityStatsRepository.findAverageDailyActiveUsersByMonth(today.getYear(), today.getMonthValue());
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response.put("monthlyAvgDAU", monthlyAvgDAU != null ? monthlyAvgDAU : 0.0);
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// 上月平均日活
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LocalDate lastMonthDate = today.minusMonths(1);
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Double lastMonthAvgDAU = userActivityStatsRepository.findAverageDailyActiveUsersByMonth(lastMonthDate.getYear(), lastMonthDate.getMonthValue());
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response.put("lastMonthAvgDAU", lastMonthAvgDAU != null ? lastMonthAvgDAU : 0.0);
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// 年度平均日活
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Double yearlyAvgDAU = userActivityStatsRepository.findAverageDailyActiveUsersByYear(today.getYear());
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response.put("yearlyAvgDAU", yearlyAvgDAU != null ? yearlyAvgDAU : 0.0);
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// 计算增长率
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if (yesterdayDAU != null && yesterdayDAU > 0) {
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double dayGrowthRate = ((todayDAU != null ? todayDAU : 0) - yesterdayDAU) / (double) yesterdayDAU * 100;
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response.put("dayGrowthRate", Math.round(dayGrowthRate * 100.0) / 100.0);
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} else {
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response.put("dayGrowthRate", 0.0);
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}
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if (lastMonthAvgDAU != null && lastMonthAvgDAU > 0) {
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double monthGrowthRate = ((monthlyAvgDAU != null ? monthlyAvgDAU : 0) - lastMonthAvgDAU) / lastMonthAvgDAU * 100;
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response.put("monthGrowthRate", Math.round(monthGrowthRate * 100.0) / 100.0);
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} else {
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response.put("monthGrowthRate", 0.0);
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}
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return ResponseEntity.ok(response);
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} catch (Exception e) {
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Map<String, Object> error = new HashMap<>();
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error.put("error", "获取用户活跃度概览失败");
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error.put("message", e.getMessage());
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return ResponseEntity.status(500).body(error);
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}
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}
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/**
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* 获取用户活跃度热力图数据
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*/
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@GetMapping("/user-activity-heatmap")
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public ResponseEntity<Map<String, Object>> getUserActivityHeatmap(
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@RequestParam(defaultValue = "2024") String year) {
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try {
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Map<String, Object> response = new HashMap<>();
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// 获取全年每日数据
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List<Map<String, Object>> dailyData = userActivityStatsRepository.findDailyActiveUsersByYear(Integer.parseInt(year));
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// 转换为热力图格式
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List<List<Object>> heatmapData = new ArrayList<>();
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for (Map<String, Object> data : dailyData) {
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List<Object> point = new ArrayList<>();
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point.add(data.get("dayOfYear")); // 一年中的第几天
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point.add(data.get("weekOfYear")); // 一年中的第几周
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point.add(data.get("dailyActiveUsers")); // 日活用户数
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heatmapData.add(point);
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}
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response.put("heatmapData", heatmapData);
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response.put("year", year);
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return ResponseEntity.ok(response);
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} catch (Exception e) {
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Map<String, Object> error = new HashMap<>();
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error.put("error", "获取用户活跃度热力图数据失败");
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error.put("message", e.getMessage());
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return ResponseEntity.status(500).body(error);
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}
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}
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}
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package com.example.demo.model;
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import jakarta.persistence.*;
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import java.math.BigDecimal;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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@Entity
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@Table(name = "user_activity_stats")
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public class UserActivityStats {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@Column(name = "stat_date", nullable = false, unique = true)
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private LocalDate statDate;
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@Column(name = "daily_active_users", nullable = false)
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private Integer dailyActiveUsers = 0;
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@Column(name = "monthly_active_users", nullable = false)
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private Integer monthlyActiveUsers = 0;
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@Column(name = "new_users", nullable = false)
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private Integer newUsers = 0;
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@Column(name = "returning_users", nullable = false)
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private Integer returningUsers = 0;
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@Column(name = "session_count", nullable = false)
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private Integer sessionCount = 0;
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@Column(name = "avg_session_duration", precision = 10, scale = 2)
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private BigDecimal avgSessionDuration = BigDecimal.ZERO;
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@Column(name = "created_at", nullable = false)
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private LocalDateTime createdAt;
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@Column(name = "updated_at")
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private LocalDateTime updatedAt;
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@PrePersist
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protected void onCreate() {
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createdAt = LocalDateTime.now();
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updatedAt = LocalDateTime.now();
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}
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@PreUpdate
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protected void onUpdate() {
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updatedAt = LocalDateTime.now();
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}
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// Getters and Setters
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public Long getId() { return id; }
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public void setId(Long id) { this.id = id; }
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public LocalDate getStatDate() { return statDate; }
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public void setStatDate(LocalDate statDate) { this.statDate = statDate; }
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public Integer getDailyActiveUsers() { return dailyActiveUsers; }
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public void setDailyActiveUsers(Integer dailyActiveUsers) { this.dailyActiveUsers = dailyActiveUsers; }
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public Integer getMonthlyActiveUsers() { return monthlyActiveUsers; }
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public void setMonthlyActiveUsers(Integer monthlyActiveUsers) { this.monthlyActiveUsers = monthlyActiveUsers; }
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public Integer getNewUsers() { return newUsers; }
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public void setNewUsers(Integer newUsers) { this.newUsers = newUsers; }
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public Integer getReturningUsers() { return returningUsers; }
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public void setReturningUsers(Integer returningUsers) { this.returningUsers = returningUsers; }
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public Integer getSessionCount() { return sessionCount; }
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public void setSessionCount(Integer sessionCount) { this.sessionCount = sessionCount; }
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public BigDecimal getAvgSessionDuration() { return avgSessionDuration; }
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public void setAvgSessionDuration(BigDecimal avgSessionDuration) { this.avgSessionDuration = avgSessionDuration; }
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public LocalDateTime getCreatedAt() { return createdAt; }
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public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }
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public LocalDateTime getUpdatedAt() { return updatedAt; }
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public void setUpdatedAt(LocalDateTime updatedAt) { this.updatedAt = updatedAt; }
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}
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package com.example.demo.repository;
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import com.example.demo.model.UserActivityStats;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.Query;
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import org.springframework.data.repository.query.Param;
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import org.springframework.stereotype.Repository;
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import java.time.LocalDate;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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@Repository
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public interface UserActivityStatsRepository extends JpaRepository<UserActivityStats, Long> {
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/**
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* 根据日期查找日活用户数
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*/
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@Query("SELECT uas.dailyActiveUsers FROM UserActivityStats uas WHERE uas.statDate = :date")
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Integer findDailyActiveUsersByDate(@Param("date") LocalDate date);
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/**
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* 获取指定年份的月度日活用户数据
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*/
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@Query("SELECT MONTH(uas.statDate) as month, " +
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"AVG(uas.dailyActiveUsers) as avgDailyActive, " +
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"MAX(uas.dailyActiveUsers) as maxDailyActive, " +
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"MIN(uas.dailyActiveUsers) as minDailyActive " +
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"FROM UserActivityStats uas " +
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"WHERE YEAR(uas.statDate) = :year " +
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"GROUP BY MONTH(uas.statDate) " +
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"ORDER BY MONTH(uas.statDate)")
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List<java.util.Map<String, Object>> findMonthlyActiveUsers(@Param("year") int year);
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/**
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* 获取指定年份的每日日活用户数据
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*/
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@Query("SELECT DAYOFYEAR(uas.statDate) as dayOfYear, " +
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"WEEK(uas.statDate) as weekOfYear, " +
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"uas.dailyActiveUsers as dailyActiveUsers, " +
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"uas.statDate as statDate " +
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"FROM UserActivityStats uas " +
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"WHERE YEAR(uas.statDate) = :year " +
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"ORDER BY uas.statDate")
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List<java.util.Map<String, Object>> findDailyActiveUsersByYear(@Param("year") int year);
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/**
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* 获取指定月份的平均日活用户数
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*/
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@Query("SELECT AVG(uas.dailyActiveUsers) FROM UserActivityStats uas " +
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"WHERE YEAR(uas.statDate) = :year AND MONTH(uas.statDate) = :month")
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Double findAverageDailyActiveUsersByMonth(@Param("year") int year, @Param("month") int month);
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/**
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* 获取指定年份的平均日活用户数
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*/
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@Query("SELECT AVG(uas.dailyActiveUsers) FROM UserActivityStats uas " +
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"WHERE YEAR(uas.statDate) = :year")
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Double findAverageDailyActiveUsersByYear(@Param("year") int year);
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/**
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* 获取最新的统计数据
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*/
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Optional<UserActivityStats> findTopByOrderByStatDateDesc();
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/**
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* 获取指定日期范围的统计数据
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*/
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List<UserActivityStats> findByStatDateBetween(LocalDate startDate, LocalDate endDate);
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/**
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* 获取指定年份的所有统计数据
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*/
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List<UserActivityStats> findByStatDateYear(int year);
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}
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