spring task 基於介面的動態定時任務
阿新 • • 發佈:2020-11-24
基於介面(SchedulingConfigurer)
@Configuration @EnableScheduling public class DynamicScheduleTask implements SchedulingConfigurer { /** * 動態 執行定時任務. */ @Override public void configureTasks(ScheduledTaskRegistrar taskRegistrar) { List<Map<String, String>> mapList = newArrayList<>(); { Map<String, String> map = new HashMap<>(); map.put("id", "1"); map.put("cron", "0/5 * * * * ?"); mapList.add(map); } { Map<String, String> map2 = new HashMap<>(); map2.put("id", "2"); map2.put("cron", "0/6 * * * * ?"); mapList.add(map2); } for (Map<String, String> stringMap : mapList) { String id = stringMap.get("id"); String cron = stringMap.get("cron"); taskRegistrar.addTriggerTask(//新增任務內容(Runnable) () -> System.out.println("執行動態定時任務: " + LocalDateTime.now().toLocalTime()),
//設定執行週期(Trigger) triggerContext -> { //2.1 從資料庫獲取執行週期 // TODO //2.2 合法性校驗. if (StringUtils.isEmpty(cron)) { // Omitted Code .. } //2.3 返回執行週期(Date) return new CronTrigger(cron).nextExecutionTime(triggerContext); } ); } } }
參考文章:https://blog.csdn.net/u013987258/article/details/106671908