3 回答

TA貢獻(xiàn)1864條經(jīng)驗(yàn) 獲得超2個(gè)贊
var programStartDateTime = new DateTime(2018, 12, 31);
var timeSpan = DateTime.Now - programStartDateTime;
Console.WriteLine($"The difference is: {timeSpan.ToString()}");

TA貢獻(xiàn)1827條經(jīng)驗(yàn) 獲得超8個(gè)贊
您可以簡(jiǎn)單地DateTime從另一個(gè)對(duì)象中減去一個(gè)對(duì)象,這會(huì)導(dǎo)致TimeSpan表示差異:
DateTime x = DateTime.Now;
DateTime y = DateTime.Today;
TimeSpan difference = x - y;

TA貢獻(xiàn)2021條經(jīng)驗(yàn) 獲得超8個(gè)贊
我認(rèn)為下面的示例代碼可能對(duì)您有所幫助
DateTime date1 = DateTime.Now;
DateTime date2 = DateTime.Now.AddDays(-1);
TimeSpan time = date1 - date2;
WriteLine($"TimeSpan : {time}" );
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