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3 Commits

Author SHA1 Message Date
670788339
d3e84feb48 日志 2025-03-29 12:58:43 +08:00
670788339
d4964ca7f1 日志 2025-03-29 12:22:11 +08:00
670788339
efdfa6f00c study-video-time 最后修改时间调整 2025-03-29 10:51:08 +08:00
3 changed files with 28 additions and 11 deletions

View File

@@ -10,6 +10,8 @@ import org.springframework.data.redis.core.ScanOptions;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
@@ -31,9 +33,10 @@ public class StudyCourseTask {
* */
@XxlJob("saveStudyCourseItemLastTime")
public void saveStudyCourseItemLastTime() {
log.info("------定时任务-获取redis 中学习结束的数据更新入库------" );
// 1. 定义匹配模式匹配所有目标key
final String KEY_PATTERN = "studyContentId:*:last_active";
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
// 2. 使用SCAN安全遍历避免阻塞
ScanOptions options = ScanOptions.scanOptions()
.match(KEY_PATTERN)
@@ -45,9 +48,10 @@ public class StudyCourseTask {
// 3. 遍历处理符合条件的key
while (cursor.hasNext()) {
String redisKey = new String(cursor.next());
log.info("------定时任务-获取redis 中学习结束的数据更新入库------redisKey = " + redisKey );
// 4. 获取剩余TTL
Long ttl = redisTemplate.getExpire(redisKey, TimeUnit.SECONDS);
log.info("------定时任务-获取redis 中学习结束的数据更新入库------ttl = " + ttl );
// 5. 过滤条件:剩余时间 >= 29天23小时30分钟转换为秒
// 总需时间 = (30天 - 30分钟) = 29天23小时30分钟 = 2590200秒
// 5分钟 300秒 || 2592000 - 300 = 2591700
@@ -59,12 +63,17 @@ public class StudyCourseTask {
String studyContentId = parts[1];
// 7. 获取存储的时间点(示例逻辑)
String lastStudyTimeStr = redisTemplate.opsForValue().get(redisKey);
if (lastStudyTimeStr == null) continue;
int lastStudyTime = Integer.parseInt(lastStudyTimeStr);
String redisValue = redisTemplate.opsForValue().get(redisKey);
if (redisValue == null) continue;
String[] partValues = redisValue.split("&");
int lastStudyTime = Integer.parseInt(partValues[0]);
LocalDateTime timestamp = null;
if (partValues.length >= 2){
timestamp = LocalDateTime.parse(partValues[1], formatter);
}
log.info("-定时任务-获取redis 中学习结束的数据更新入库---studyContentId = " + studyContentId + ",lastStudyTime = " + lastStudyTime + ", timestamp = " + timestamp);
// 8. 更新数据库(调用已有服务方法)
studyService.updateStudyCourseItemLastTime(studyContentId, lastStudyTime, "system_job");
studyService.updateStudyCourseItemLastTime(studyContentId, lastStudyTime, timestamp);
// 9. 删除Redis键原子操作
redisTemplate.delete(redisKey);

View File

@@ -1,5 +1,6 @@
package com.xboe.school.study.service;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Map;
@@ -99,5 +100,5 @@ public interface IStudyService {
List<StudyCourseItem> getList(String courseId, String contentId, String name, Integer status);
void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime, String systemJob);
void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime, LocalDateTime timestamp);
}

View File

@@ -330,19 +330,25 @@ public class StudyServiceImpl implements IStudyService{
// 更新 前端传输已学习时长
@Override
public void updateLastTime(String studyContentId, int lastStudyTime,String aid) {
LocalDateTime now = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
String value = lastStudyTime + "&" + now.format(formatter); // 使用ISO8601时间格式
log.info("-study-video-time-----value = " + value);
// 20250303 优化 多次更新改一次更新
// 更新Redis中的最后活跃时间带30秒过期
redisTemplate.opsForValue().set(
"studyContentId:" + studyContentId + ":last_active",
String.valueOf(lastStudyTime),
value,
Duration.ofSeconds(2592000)
);
log.info("-study-video-time-redis保存---value = " + value);
// Duration.ofDays(30) 也就是 2592000秒
}
@Override
@Transactional
public void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime,String aid) {
public void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime,LocalDateTime timestamp) {
log.info("-study-video-time-定时---studyContentId = " + studyContentId + ",lastStudyTime = " + lastStudyTime + ", timestamp = " + timestamp);
// 更新最后的学习时间点
LocalDateTime now=LocalDateTime.now();
UpdateBuilder update=UpdateBuilder.from(StudyCourseItem.class);
@@ -350,8 +356,9 @@ public class StudyServiceImpl implements IStudyService{
//只记录时间长的时候的处理
update.addFilter(FieldFilters.lt("lastStudyTime", lastStudyTime));
update.addUpdateField("lastStudyTime", lastStudyTime);
update.addUpdateField("lastTime", now);
update.addUpdateField("lastTime", timestamp==null ? now : timestamp);
scItemDao.update(update.builder());
log.info("-study-video-time-mysql保存---studyContentId = " + studyContentId);
}
@Override