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9.3. 日期规格
使用日期规格创建与时间有关的类似 cron 的表达式。每个字段可包含一个数字或范围。除默认为 0 外,会忽略所有未提供的字段。
例如:
monthdays="1" 代表每个月的第一天,hours="09-17" 代表 9am 到 5pm(包括 9am 和 5pm)。但不能指定为 weekdays="1,2" 或 weekdays="1-2,5-6",因为它们包含多个范围。
表 9.4. 日期规格属性

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