From 0208c795499b808c762edbb3d61432410692dd6e Mon Sep 17 00:00:00 2001
From: chenhj <chenhj@lunor.cn>
Date: 星期六, 24 五月 2025 14:50:15 +0800
Subject: [PATCH] Merge pull request 'chen' (#7) from chen into master
---
ruoyi-quartz/src/main/java/com/ruoyi/quartz/util/CronUtils.java | 63 +++++++++++++++++++++++++++++++
1 files changed, 63 insertions(+), 0 deletions(-)
diff --git a/ruoyi-quartz/src/main/java/com/ruoyi/quartz/util/CronUtils.java b/ruoyi-quartz/src/main/java/com/ruoyi/quartz/util/CronUtils.java
new file mode 100644
index 0000000..dd53839
--- /dev/null
+++ b/ruoyi-quartz/src/main/java/com/ruoyi/quartz/util/CronUtils.java
@@ -0,0 +1,63 @@
+package com.ruoyi.quartz.util;
+
+import java.text.ParseException;
+import java.util.Date;
+import org.quartz.CronExpression;
+
+/**
+ * cron琛ㄨ揪寮忓伐鍏风被
+ *
+ * @author ruoyi
+ *
+ */
+public class CronUtils
+{
+ /**
+ * 杩斿洖涓�涓竷灏斿�间唬琛ㄤ竴涓粰瀹氱殑Cron琛ㄨ揪寮忕殑鏈夋晥鎬�
+ *
+ * @param cronExpression Cron琛ㄨ揪寮�
+ * @return boolean 琛ㄨ揪寮忔槸鍚︽湁鏁�
+ */
+ public static boolean isValid(String cronExpression)
+ {
+ return CronExpression.isValidExpression(cronExpression);
+ }
+
+ /**
+ * 杩斿洖涓�涓瓧绗︿覆鍊�,琛ㄧず璇ユ秷鎭棤鏁圕ron琛ㄨ揪寮忕粰鍑烘湁鏁堟��
+ *
+ * @param cronExpression Cron琛ㄨ揪寮�
+ * @return String 鏃犳晥鏃惰繑鍥炶〃杈惧紡閿欒鎻忚堪,濡傛灉鏈夋晥杩斿洖null
+ */
+ public static String getInvalidMessage(String cronExpression)
+ {
+ try
+ {
+ new CronExpression(cronExpression);
+ return null;
+ }
+ catch (ParseException pe)
+ {
+ return pe.getMessage();
+ }
+ }
+
+ /**
+ * 杩斿洖涓嬩竴涓墽琛屾椂闂存牴鎹粰瀹氱殑Cron琛ㄨ揪寮�
+ *
+ * @param cronExpression Cron琛ㄨ揪寮�
+ * @return Date 涓嬫Cron琛ㄨ揪寮忔墽琛屾椂闂�
+ */
+ public static Date getNextExecution(String cronExpression)
+ {
+ try
+ {
+ CronExpression cron = new CronExpression(cronExpression);
+ return cron.getNextValidTimeAfter(new Date(System.currentTimeMillis()));
+ }
+ catch (ParseException e)
+ {
+ throw new IllegalArgumentException(e.getMessage());
+ }
+ }
+}
--
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