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Function
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workday()
描述：
计算和指定日期相差n个工作日的日期。
语法：
workday(t,k,h)
备注：
计算和日期t相距k个工作日的日期，h是(非)假日序列，即h中成员若非周末则是假日，是周末则非假日，若为周末时按调休计算，调为工作日。
参数：
|
t |
日期。 |
|
k |
整数。 |
|
h |
日期型数据组成的序列。 |
返回值：
日期型
示例：
|
workday(date("2011-11-07"),25,[date("2011-12-03"),date("2011-12-31")]) |
2011-12-09 |
|
workday(date("2011-11-07"),25,[date("2011-11-30"),date("2011-12-31")]) |
2011-12-13 |