C# 调用 ToString("YYYY-mm-dd") 导致日期格式错误
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Calling ToString("YYYY-mm-dd") results in wrong date format
提问by PiousVenom
I've got a constructor which takes a DateTimeobject:
我有一个构造函数，它接受一个DateTime对象：
public Report(DateTime date, string start = "0", string end = "0")
{
Logger.Info("Creating a new Report...");
StartTime = start;
EndTime = end;
Date = date.ToString("YYYY-mm-dd");
SetStartEndTimes();
Logger.Info("Report Created");
}
Now, this was working fine just 3 days ago. However, I come back today, after a break, and this is the results I'm seeing:
现在，这在 3 天前还可以正常工作。但是，休息后我今天回来了，这是我看到的结果：
As you can see, the date being passed in is right. However, after the format, it is not. Again, this worked before my break. I come back, and I get this. Am I missing something? Why would it format so incorrectly after working since the beginning?
如您所见，传入的日期是正确的。但是，格式化后，它不是。同样，这在我休息前奏效了。我回来了，我明白了。我错过了什么吗？为什么从一开始工作后格式会如此错误？
EDIT
编辑
Thanks guys. The messed up part is looking through the source control at previous versions, this worked. Or maybe I imagined it working. I don't know. But it's been this way for about 3 months.
谢谢你们。混乱的部分是查看以前版本的源代码管理，这是有效的。或者也许我想象它工作。我不知道。但这种情况已经持续了大约 3 个月。
采纳答案by Tim Schmelter
Year must be lowercase and month uppercase:
年份必须小写，月份大写：
Date = date.ToString("yyyy-MM-dd"); // btw, lowercase mm means minutes
回答by DGibbs
This:
这个：
Date = date.ToString("YYYY-mm-dd");
Should be this:
应该是这样的：
Date = date.ToString("yyyy-MM-dd");
Lowercase mmwill give you minutes.
小写mm会给你几分钟。
