function DateToHour(Date1 :TDateTime):String;
var
hh,mm,ss,ms: word;
begin
DecodeTime(Date1,hh,mm,ss,ms);
Result := IntToStr(hh+24*Trunc(Date1))+':00');
end;
var
hh,mm,ss,ms: word;
begin
DecodeTime(Date1,hh,mm,ss,ms);
Result := IntToStr(hh+24*Trunc(Date1))+':00');
end;
TmyDate = record
hh:integer;
mm:integer;
ss:integer;
end;多后自己处理