Delphi XE 时间和时间戳互转换

uses
  System.DateUtils;
function TForm1.Gettamptime(vlen: Integer): string;

var

ss: string;

begin

if vlen = 13 then

begin

ss := DateTimeToTimeStamp(now).time.ToString;

Result := IntToStr(DateTimeToUnix(Now, false)) + Copy(ss, Length(ss) - 2, Length(ss));

end

else if vlen = 10 then

begin

Result := IntToStr(DateTimeToUnix(Now, false));

end

end;
function TForm1.GettampToTime(vtamp: string): string;

var

ls10, lms: string;

begin

if Length(vtamp) = 10 then

Result := FormatDateTime('yyyy-MM-dd hh:mm:ss', UnixToDateTime(StrToInt64(vtamp), false))

else if Length(vtamp) = 13 then

begin

ls10 := Copy(vtamp, 1, 10);

lms := Copy(vtamp, 11, 13);

Result := FormatDateTime('yyyy-MM-dd hh:mm:ss', UnixToDateTime(StrToInt64(ls10), false));

Result := Result + '.' + lms;

end;

end;