DELPHIµÄTstring³éÏóÀàÑо¿
TStringsÊÇÒ»¸ö³éÏóÀ࣬ÔÚʵ¼Ê¿ª·¢ÖУ¬ÊdzýÁË»ù±¾ÀàÐÍÍ⣬ӦÓõÃ×î¶àµÄ¡£
³£¹æµÄÓ÷¨´ó¼Ò¶¼ÖªµÀ£¬ÏÖÔÚÀ´ÌÖÂÛËüµÄһЩ¸ß¼¶µÄÓ÷¨¡£
ÏÈ°ÑÒªÌÖÂ۵ļ¸¸öÊôÐÔÁгöÀ´£º
1¡¢CommaText
2¡¢Delimiter & DelimitedText
3¡¢Names & Values & ValuefromIndex
ÏÈ¿´µÚÒ»¸ö£ºCommaText¡£ÔõôÓÃÄØ£¿ÓôúÂë˵»°£º
const
constr :String = 'aaa,bbb,ccc,ddd';
var
strs :TStrings;
i :Integer;
begin
strs := TStringList.Create;
strs.CommaText := constr;
for i := 0 to Strs.Count-1 do
ShowMessage(Strs[i]);
end;
Ö´ÐÐÁËÕâ¶Î´úÂëºó£¬¿ÉÒÔ¿´µ½ShowMessageÏÔʾ³öÀ´µÄ·Ö±ðÊÇ£ºaaa bbb ccc ddd¡£
Ò²¾ÍÊÇ˵£¬strs.CommaText := constrÕâÒ»¾äµÄ×÷Ó㬾ÍÊÇ°ÑÒ»¸ö×Ö·û´®ÒÔ','Ϊ·Ö¸î·û£¬·Ö¶ÎÌí¼Óµ½TStringsÖС£
ÄÇôÈç¹û²»ÊÇÒÔ','À´·Ö¸î£¬ÓÖ¸ÃÔõô×öÄØ£¿ÏÖÔÚ¿´µÚ¶þ¸öÀý×Ó¡£Ê¹ÓÃDelimiterºÍDelimitedText¡£
const
constr :String = 'aaa\bbb\ccc\ddd';
var
strs :TStrings;
i :Integer;
begin
strs := TStringList.Create;
strs.Delimiter := '\';
strs.DelimitedText := constr;
for i := 0 to Strs.Count-1 do
ShowMessage(Strs[i]);
end;
¿ÉÒÔ¿´µ½£¬ ÏÔʾµÄЧ¹ûºÍµÚÒ»¸öÀý×ÓÊÇһģһÑùµÄ¡£½âÊÍһϣº
DelimiterΪ·Ö¸ô·û£¬Ä¬ÈÏΪ£º','¡£DelimitedText¾ÍÊÇ°´DelimiterΪ·Ö¸ô·ûµÄÒ»¸ö´®£¬µÃµ½¸³Öµºó»Ø°ÑÕâ¸ö×Ö·û´®°´DelimiterµÄ×Ö·ûÌí¼Óµ½TStringsÖС£
˵µ½ÕâÀÓÐÏëÆðÒ»¸öÊôÐÔ£¬QuoteChar¡£ÆäĬÈÏֵΪ£º'"'£¨²»°üÀ¨µ¥ÒýºÅ£©
ÓкÎÓÃÄØ£¿¿´Àý×Ó£º
const
constr :String = '"aaa"\"bbb"\"ccc"\"ddd"';
var
strs :TStrings;
i :Integer;
begin
strs := TStringList.Create;
strs.Delimiter := '\';
strs.DelimitedText := constr;
for i := 0 to Strs.Count-1 do
ShowMessage(Strs[i]);
end;
ÏÔʾ³öÀ´µÄÈÔÈ»ÊÇaaa bbb ccc ddd¡£ÎªÊ²Ã´²»ÊÇ£º"aaa" "bbb" "ccc" "ddd"ÄØ£¿
ÔÙÀ´¿´Ò»¸öÀý×Ó£º
const
constr :String = '|aaa|\|bbb|\|ccc|\|ddd|';
var
strs :TStrings;
i :Integer;
begin
strs := TStringList.Create;
strs.Delimiter := '\';
str
Ïà¹ØÎĵµ£º
這個½çÃæÊÇÓÃPB×öµÄ£¬delphiÈçºÎ設實現ÄØ£¬ÏëÓÃdbControlGrid來實現(ºÃÏñÒ²×ö²»µ½)£¬
問題ÊÇÈçºÎ實現²»Í¬Éú產類別顯ʾ³ö來µÄ·½Ê½²»Ò»樣
......
delphi TStringListµÄÓ÷¨
TStringsÊÇÒ»¸ö³éÏóÀ࣬ÔÚʵ¼Ê¿ª·¢ÖУ¬ÊdzýÁË»ù±¾ÀàÐÍÍ⣬ӦÓõÃ×î¶àµÄ¡£
³£¹æµÄÓ÷¨´ó¼Ò¶¼ÖªµÀ£¬ÏÖÔÚÀ´ÌÖÂÛËüµÄһЩ¸ß¼¶µÄÓ÷¨¡£
ÏÈ°ÑÒªÌÖÂ۵ļ¸¸öÊôÐÔÁгöÀ´£º
1¡¢CommaText
2¡¢Delimiter & DelimitedText
3¡¢Names & Values & ValuefromIndex
ÏÈ¿´µÚÒ»¸ö£ºCommaText¡£Ôõô ......
DirectoryExists('C:\WINDOWS'):Boolean;¼ì²âÎļþ¼ÐÊÇ·ñ´æÔÚ£¡
FileExists('c:\Dir.txt'):Boolean;¼ì²âÎļþÊÇ·ñ´æÔÚ£¡
EDIT×é¼þ
OnChange µ±±à¼¿òÖеÄÄÚÈÝ·¢Éú±ä»¯Ê±´¥·¢¸Ãʼþ
OnKeyPress µ±°´ÏÂÒ»¸ö°´¼üʱ£¬´¥·¢¸Ãʼþ
OnEnter ±à¼¿ò»ñµÃÊäÈë½¹µãʱ£¬´¥·¢¸Ãʼþ
MEMO×éºÏ
WordWrap ÓÃÓÚÉ趨Momo×é¼þÊÇ·ñ¾ßÓÐ×Ô¶ ......
Õâ¸ö±¾À´ÎÒÎÒÔÚDELPHIºÐ×Ó¿´µ½µÄ£¬ºóÀ´ÎÒ¶ÔÆä×÷ÁËÒ»µãÐ޸ģ¬ÕâÀïÉÏÈ«²¿´úÂ룬¿ÉÒÔÖ±½ÓÓÃ
Ê×ÏÈÓÐÁ½¸ö×Ô¶¨µÄת»»º¯Êý£º
function myStrToHex(s:string):string; //×Ö´®×ª16½øÖÆ
var
TmpStr:string;
i:integer;
begin
TmpStr:='';
for i:=1 to Length(s)do
TmpStr:=TmpStr+IntToHex(ord(s[i]),2);
Res ......