英文:
Easy way to get the weekday in a batch file
问题
我在寻找一个从%date%获取星期几的好简单答案，看到了很多答案，但没有一个非常流畅。
英文:
I was searching for a good easy answer to getting the day of the week from %date% and saw a lot of answers but none very eloquent.
答案1
得分: 1
以下是翻译好的内容：
你要的，就在这里！
@echo off
setlocal
for /F "tokens=1-3 delims=/" %%a in ("%date%") do set /A "M=1%%a-100,D=1%%b-100,Y=%%c"
set /A "DOW=( D + 30*(M-1)+M/2+(M>>3)*(M&1) - !(((2-M)>>31)+1)*(2-!(Y%%4)) +6)%7+1"
for /F "tokens=%DOW%" %%a in ("Sunday Monday Tuesday Wednesday Thursday Friday Saturday") do echo %date% is %%a
这是一个从%date%获取星期几的“好易用答案”。然而，我恐怕不理解“非常雄辩”是什么意思... **`;)`**
这个公式假定`%date%`以MM/DD/YYYY格式显示日期。如果顺序不同，只需更改公式中的`M`和`D`变量。
这种方法每到新年需要进行小的调整：只需将`+6`的调整值更改为在新年的1月1日得到正确星期几的值（该值必须在0和6之间）。这是为了保持该方法“简单易用”...
英文:
You ask for it, so here it is!
@echo off
setlocal
for /F "tokens=1-3 delims=/" %%a in ("%date%") do set /A "M=1%%a-100,D=1%%b-100,Y=%%c"
set /A "DOW=( D + 30*(M-1)+M/2+(M>>3)*(M&1) - !(((2-M)>>31)+1)*(2-!(Y%%4)) +6)%%7+1"
for /F "tokens=%DOW%" %%a in ("Sunday Monday Tuesday Wednesday Thursday Friday Saturday") do echo %date% is %%a
This is a "good easy answer to getting the day of the week from %date%". However, I'm afraid I don't understand what "very eloquent" means... ;)
This formula assumes that %date% show the date in MM/DD/YYYY format. If the order is a different one, just change the M and D variables in the formula.
This method requires a small adjustment every new year: just change the +6 adjustment to a value that get the right day of week on Jan/1st of the new year (the value must be between 0 and 6). This is done in order to keep the method "simple and easy"...
答案2
得分: 1
Here is the translated content:
另一种使用 Powershell 命令的解决方案：
@echo off
Title 获取并显示星期几
@for /f "delims=" %%a in ('Powershell -C "(Get-Date).ToString('dddd')"' ) do Set "DayOfWeek=%%a"
echo( 星期几是 %DayOfWeek%
Pause
英文:
Another solution using Powershell command :
@echo off
Title Get and Show The day of the week
@for /f "delims=" %%a in ('Powershell -C "(Get-Date).ToString('dddd')"') do Set "DayOfWeek=%%a"
echo( The day of the Week is %DayOfWeek%
Pause
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