Delphi ×Ö·û´®²Ù×÷
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Õ⼸¸öº¯Êý¶¼°üº¬ÔÚStrUtilsÖУ¬ËùÒÔÐèÒªuses StrUtils;
¼ÙÉè×Ö·û´®ÊÇ Dstr := ’Delphi is the BEST’, ÄÇô
LeftStr(Dstr, 5) := ’Delph’
MidStr(Dstr, 6, 7) := ’i is th’
RightStr(Dstr, 6) := ’e BEST’
~~~~~~~~~~~~~~~~~~~~~~~~~
function RightStr
(Const Str: String; Size: Word): String;
begin
if Size > Length(Str) then Size := Length(Str) ;
RightStr := Copy(Str, Length(Str)-Size+1, Size)
end;
function MidStr
(Const Str: String; from, Size: Word): String;
begin
MidStr := Copy(Str, from, Size)
end;
function LeftStr
(Const Str: String; Size: Word): String;
begin
LeftStr := Copy(Str, 1, Size)
end;
Õ⼸¸öº¯Êý¾³£½áºÏPos, Length, CopyʹÓÃ
²ð·Ö×Ö·û´®µÄº¯Êý [2005-12-13]
delphiÖÐûÓÐÌṩ´ËÀຯÊý£¬´Ó´ó¸»ÎÌÕÒÁËÒ»¸ö
function split(src,dec : string):TStringList;
var
i : integer;
str : string;
begin
result := TStringList.Create;
repeat
i := pos(dec,src);
str := copy(src,1,i-1);
if (str='') and (i>0) then
begin
delete(src,1,length(dec));
continue;
end;
if i
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