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根据 return_type 值返回给定日期的周数。 周数指示此周在一年中的数值。
分析表达式
WEEKNUM(<datetime>,<return_type>)
参数 | 定义 |
---|---|
datetime | 采用日期/时间格式的一个时间。 |
return_type | 一个整数(0 或 1)。 确定一周从哪一天开始的数字。0(星期日):西方传统。1(星期一):ISO-8601 |
返回一个整数。
该示例返回了当前日期的周数,按周从星期一开始计算。
分析表达式
WEEKNUM(now(),1)