Template:Date.DaysInMonth查看源代码查看历史

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This template employs intricate features of template syntax.

You are encouraged to familiarise yourself with its setup and parser functions before editing the template. If your edit causes unexpected problems, please undo it quickly, as this template may appear on a large number of pages.
You can conduct experiments, and should test all major changes, in either , the general template sandbox, or your user space before changing anything here.

功能：返回输入月份的天数
用法：

{{Date.DaysInMonth|年|月}}

参数可由後依次省略，默認為當前年月。