獲取當前星期幾的名單從DateTime.Now

我的矛盾或者是很重要的問題是創造我的格式DD的日子名單 - MM - 從今天的日期YY。假設我們今天是「2015/11/04」好嗎？我很想創建啓動恰好從週一，02.11.2015至週日，2015年8月11日的日期時間的列表。這怎麼可能？我想首先：獲取當前星期幾的名單從DateTime.Now

DateTime today = new DateTime.Now; 

int posDayOfWeek = (int)today.DayOfWeek; 

if (posDayOfWeek < 7 && posDayOfWeek > 1) 
{ 
    // And from there a black hole in my brain .... 
}

我真的不知道該怎麼辦....

謝謝親切克里斯蒂安Capannini

來源

2015-11-04 Cristian Capannini

始終週一至週日，或依賴於文化？ –

假設你總是希望週一至週日，你只是需要一些像：

DateTime today = DateTime.Today; 
int currentDayOfWeek = (int) today.DayOfWeek; 
DateTime sunday = today.AddDays(-currentDayOfWeek); 
DateTime monday = sunday.AddDays(1); 
// If we started on Sunday, we should actually have gone *back* 
// 6 days instead of forward 1... 
if (currentDayOfWeek == 0) 
{ 
    monday = monday.AddDays(-7); 
} 
var dates = Enumerable.Range(0, 7).Select(days => monday.AddDays(days)).ToList();

來源

2015-11-04 16:15:08

謝謝！完善！！ –

搜索類似的東西在網上，我發現這個問題/答案線程和擴大創建爲基於先從昨天星期ORT順序：

//create a sort order that starts yesterday 
DateTime orderStartDate = DateTime.Today.AddDays(-1); 
List<int> sortOrder = Enumerable.Range(0,7).Select(days => (int)orderStartDate.AddDays(days).DayOfWeek).ToList(); 

//sort collection using the index of the sortOrder 
collection.AddRange(list.OrderBy(list => sortOrder.FindIndex(days => day == list.TargetDay)));

來源

2017-10-04 00:07:09 LionDog823

只要使用此：

DayOfWeek[] days = { 
    DayOfWeek.Sunday, 
    DayOfWeek.Monday, 
    DayOfWeek.Tuesday, 
    DayOfWeek.Wednesday, 
    DayOfWeek.Thursday, 
    DayOfWeek.Friday, 
    DayOfWeek.Saturday };

很簡單。很明顯。我已經爲你輸入了它。

來源

2017-10-11 18:07:18 user2023861

獲取當前星期幾的名單從DateTime.Now

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