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【修复】定时任务指定某一年执行时,只会执行一次,后台查看任务详细会报错
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@ -34,24 +34,24 @@ public class CronUtils {
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* @return 满足条件的执行时间
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*/
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public static List<LocalDateTime> getNextTimes(String cronExpression, int n) {
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// 获得 CronExpression 对象
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// 1. 获得 CronExpression 对象
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CronExpression cron;
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try {
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cron = new CronExpression(cronExpression);
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} catch (ParseException e) {
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throw new IllegalArgumentException(e.getMessage());
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}
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// 从当前开始计算,n 个满足条件的
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// 2. 从当前开始计算,n 个满足条件的
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Date now = new Date();
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List<LocalDateTime> nextTimes = new ArrayList<>(n);
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for (int i = 0; i < n; i++) {
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Date nextTime = cron.getNextValidTimeAfter(now);
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// 2.1 如果 nextTime 为 null,说明没有更多的有效时间,退出循环
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if (nextTime == null) {
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// 如果 nextTime 为 null,说明没有更多的有效时间,退出循环
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break;
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}
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nextTimes.add(LocalDateTimeUtil.of(nextTime));
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// 切换现在,为下一个触发时间;
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// 2.2 切换现在,为下一个触发时间;
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now = nextTime;
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}
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return nextTimes;
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