[英]what is the c# equivalent of Calendar in java?
I am converting Java to C# and need to convert code involving Calendar: 我正在将Java转换为C#,并且需要转换涉及Calendar的代码:
Calendar rightNow = Calendar.getInstance();
StringBuilder sb = new StringBuilder();
sb.append((rightNow.get(Calendar.MONTH) + 1));
sb.append(rightNow.get(Calendar.DAY_OF_MONTH));
sb.append(rightNow.get(Calendar.YEAR)).substring(2);
sb.append(rightNow.get(Calendar.HOUR_OF_DAY));
sb.append(rightNow.get(Calendar.MINUTE));
MORE EDIT As there are two possible approaches (System.DateTime and Calendar) which should I use? 更多编辑由于应该使用两种可能的方法(System.DateTime和Calendar)? (I recall problems in the Java universe here)
(我在这里回顾了Java宇宙中的问题)
SUMMARY of RESPONSES For simple uses System.DateTime is appropriate and does not have the problems of Java's Date. 响应摘要对于简单使用,System.DateTime是合适的,并且没有Java的Date问题。 There should be a single call in case the date ticks forward between calls.
应该有一个通话,以防日期在通话之间滴答作响。
The System.DateTime
structure is what you're looking for. 您正在寻找
System.DateTime
结构。
sb.Append(DateTime.Now.AddMonths(1).ToString("MMddyyHHmm"));
As Joel Coehoorn points out, you could condense that code down to one line. 正如Joel Coehoorn指出的那样,您可以将该代码压缩为一行。 I had become so engorged on the implementation, I didn't see what you were actually trying to do -- luckily Joel pointed it out.
我对实现变得如此着迷,没有看到您实际上要做什么—幸运的是,乔尔指出了这一点。
That will roll all of those up into one call. 这会将所有这些汇总为一个呼叫。 Pretty nifty.
很漂亮
To translate your Java code into C#, you'd do something like the following: 要将Java代码转换为C#,您需要执行以下操作:
string year = DateTime.Now.Year.ToString();
sb.Append(DateTime.Now.AddMonths(1));
sb.Append(DateTime.Now.Day);
sb.Append(year.Substring(2));
sb.Append(DateTime.Now.Hour);
sb.Append(DateTime.Now.Minute);
You can copy/paste this C# code to see: 您可以复制/粘贴此C#代码以查看:
StringBuilder sb = new StringBuilder();
string year = DateTime.Now.Year.ToString();
sb.Append(String.Format("Next Month is: {0} \n ",DateTime.Now.AddMonths(1)));
sb.Append(String.Format("Day is {0}\n ", DateTime.Now.Day));
sb.Append(String.Format("Year is {0}\n ", year.Substring(2)));
sb.Append(String.Format("The Hour is {0}\n ", DateTime.Now.Hour)); //getting late
sb.Append(String.Format("The Minute is {0}\n ", DateTime.Now.Minute));
The DateTime
structure doesn't have the same issues that Java had with their date implementation; DateTime
结构没有与Java的日期实现相同的问题; so you shouldn't have the same problems that plagued the Java world. 因此,您不应遇到困扰Java世界的相同问题。
As another user pointed out , you can use the System.Globalization.Calendar
class as well. 正如另一个用户指出的那样 ,您也可以使用
System.Globalization.Calendar
类。 I get along just fine with the DateTime
struct, and it's a little lighter-weight than the Calendar class, but they both can be used. 我与
DateTime
结构很好地相处,并且比Calendar类轻一些,但是它们都可以使用。 If you're going to jump around date and calendar implemenations, then go with the Calendar
class; 如果您打算跳过日期和日历的实现,请使用
Calendar
类; if you're going to stick with one implementation of dates, then the DateTime
struct
is just fine. 如果您要坚持使用日期的一种实现,那么
DateTime
struct
就可以了。
System.DateTime
Like: 喜欢:
DateTime now = DateTime.Now;
DateTime tommorowsTomorrow = now.AddDays(2);
And so on. 等等。
还有Calendar 。
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