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优化

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qaq
2025-08-15 12:57:56 +08:00
parent 6f80e26a8f
commit 23980578d7
5 changed files with 42 additions and 51 deletions
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springboot-backend/src/main/java/com/admin/service/impl/UserServiceImpl.java
+36 -42
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@@ -727,50 +727,44 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
* @return 最近24小时流量统计列表
*/
private List<StatisticsFlow> getLast24HoursFlowStatistics(Long userId) {
try {
// 按ID倒序查最近24条记录（ID越大越新，时间就是23:00, 22:00, 21:00...这样倒序）
List<StatisticsFlow> recentFlows = statisticsFlowService.list(
new QueryWrapper<StatisticsFlow>()
.eq("user_id", userId)
.orderByDesc("id")
.last("LIMIT 24")
);
List<StatisticsFlow> result = new ArrayList<>(recentFlows);
// 如果查出来的记录不足24条，需要补0和对应的时间
if (result.size() < 24) {
// 获取最早记录的时间，继续往前推
int startHour = getCurrentHour();
if (!result.isEmpty()) {
// 从最后一条记录的时间继续往前推
String lastTime = result.get(result.size() - 1).getTime();
startHour = parseHour(lastTime) - 1;
}
// 补0到24条
while (result.size() < 24) {
if (startHour < 0) startHour = 23; // 跨天处理
StatisticsFlow emptyFlow = new StatisticsFlow();
emptyFlow.setUserId(userId);
emptyFlow.setFlow(0L);
emptyFlow.setTotalFlow(0L);
emptyFlow.setTime(String.format("%02d:00", startHour));
result.add(emptyFlow);
startHour--;
}
// 按ID倒序查最近24条记录（ID越大越新，时间就是23:00, 22:00, 21:00...这样倒序）
List<StatisticsFlow> recentFlows = statisticsFlowService.list(
new QueryWrapper<StatisticsFlow>()
.eq("user_id", userId)
.orderByDesc("id")
.last("LIMIT 24")
);
List<StatisticsFlow> result = new ArrayList<>(recentFlows);
// 如果查出来的记录不足24条，需要补0和对应的时间
if (result.size() < 24) {
// 获取最早记录的时间，继续往前推
int startHour = getCurrentHour();
if (!result.isEmpty()) {
// 从最后一条记录的时间继续往前推
String lastTime = result.get(result.size() - 1).getTime();
startHour = parseHour(lastTime) - 1;
}
// 补0到24条
while (result.size() < 24) {
if (startHour < 0) startHour = 23; // 跨天处理
StatisticsFlow emptyFlow = new StatisticsFlow();
emptyFlow.setUserId(userId);
emptyFlow.setFlow(0L);
emptyFlow.setTotalFlow(0L);
emptyFlow.setTime(String.format("%02d:00", startHour));
result.add(emptyFlow);
startHour--;
}
log.debug("用户 {} 获取到 {} 条实际记录，补齐为 {} 条24小时记录", userId, recentFlows.size(), result.size());
return result;
} catch (Exception e) {
log.error("获取用户 {} 最近24小时流量统计失败", userId, e);
// 返回24条全0数据，时间从当前小时往前推
return generateEmpty24HourData(userId);
}
log.debug("用户 {} 获取到 {} 条实际记录，补齐为 {} 条24小时记录", userId, recentFlows.size(), result.size());
return result;
}
/**