不同的电脑时间格式可能不一样，有的时候可能会报错，用个简单例子写个字符串和时间的转换，算做个笔记，如要放到正式的代码中，需要好好更改
1 unit Unit1; 2 3 interface 4 5 uses 6 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, 7 Dialogs, StdCtrls; 8 9 type 10 TForm1 = class(TForm) 11 Edit1: TEdit; 12 Button1: TButton; 13 Label1: TLabel; 14 Edit2: TEdit; 15 Button2: TButton; 16 procedure Button1Click(Sender: TObject); 17 procedure Button2Click(Sender: TObject); 18 private 19 { Private declarations } 20 public 21 { Public declarations } 22 end; 23 24 var 25 Form1: TForm1; 26 27 implementation 28 29 {$R *.dfm} 30 function ConvertDateTime(sTime:String;DateFormat:string='yyyy/mm/dd'; 31 TimeFormat:String='hh:nn:ss';defDatetime:TDatetime=36526):TDateTime; 32 var 33 settings,oldSettings: TFormatSettings; 34 vDateSeparator:string; 35 d,t:string; 36 begin 37 GetLocaleFormatSettings(GetUserDefaultLCID, settings); 38 oldSettings:=settings; 39 if true then 40 begin 41 42 end; 43 44 //这个只是做个例子， 45 d:= Copy(DateFormat,5,1); 46 settings.DateSeparator:=d[1]; 47 t:=Copy(TimeFormat,3,1); 48 settings.TimeSeparator:=t[1]; 49 50 if DateFormat<>'' then 51 settings.ShortDateFormat :=DateFormat; 52 if TimeFormat<>'' then 53 settings.ShortTimeFormat :=TimeFormat; 54 try 55 Result:= strToDateTime(sTime,settings); 56 except 57 result:=defDatetime; 58 end; 59 oldSettings:=settings; 60 end; 61 procedure TForm1.Button1Click(Sender: TObject); 62 begin 63 Label1.Caption:=FormatDateTime('yyyy/mm/dd hh:mm:ss zzz',ConvertDateTime(Edit1.Text,Edit2.text )); 64 //ShowMessage(FormatDateTime('yyyy/mm/dd hh:mm:ss zzz',VarToDateTime(Edit1.Text))); 这个一般般，不太好用 65 end; 66 67 procedure TForm1.Button2Click(Sender: TObject); 68 var 69 vDatetime01,vDatetime02:TDateTime ; 70 begin 71 vDatetime01:=0; 72 vDatetime02:=vDatetime01+8888+0.258; 73 ShowMessage(FormatDateTime('yyyy-mm-dd hh:mm:ss',vDatetime02)); 74 ShowMessage(IntToStr(Trunc(0))); 75 76 end; 77 78 end.