C# 如何获取星期几的整数值
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/9199080/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
How to get the integer value of day of week
提问by akshaykumar6
How do I get the day of a week in integer format? I know ToString will return only a string.
如何以整数格式获取星期几？我知道 ToString 只会返回一个字符串。
DateTime ClockInfoFromSystem = DateTime.Now;
int day1;
string day2;
day1= ClockInfoFromSystem.DayOfWeek.ToString(); /// it is not working
day2= ClockInfoFromSystem.DayOfWeek.ToString(); /// it gives me string
采纳答案by Joe
Use
用
day1 = (int)ClockInfoFromSystem.DayOfWeek;
回答by FiveTools
day1= (int)ClockInfoFromSystem.DayOfWeek;
回答by FiveTools
int day = (int)DateTime.Now.DayOfWeek;
First day of the week: Sunday (with a value of zero)
一周的第一天：星期日（值为零）
回答by Martin Sansone - MiOEE
If you want to set first day of the week to Monday with integer value 1 and Sunday with integer value 7
如果要将一周的第一天设置为整数值为 1 的星期一和整数值为 7 的星期日
int day = ((int)DateTime.Now.DayOfWeek == 0) ? 7 : (int)DateTime.Now.DayOfWeek;
回答by Michael Murphy
DateTime currentDateTime = DateTime.Now;
int week = (int) currentDateTime.DayOfWeek;
回答by RaviKant Hudda
Try this. It will work just fine:
尝试这个。它会工作得很好：
int week = Convert.ToInt32(currentDateTime.DayOfWeek);
回答by Rob Sedgwick
The correct way to get the integer value of an Enum such as DayOfWeek as a string is:
将 Enum 的整数值（例如 DayOfWeek）作为字符串获取的正确方法是：
DayOfWeek.ToString("d")
回答by Ruslan Hayduk
Another way to get Monday with integer value 1 and Sunday with integer value 7
获得整数值为 1 的星期一和整数值为 7 的星期日的另一种方法
int day = ((int)DateTime.Now.DayOfWeek + 6) % 7 + 1;
