標籤: utf8

Delphi讀取utf8格式ini及取得動態內容

使用Delphi讀取utf8格式時需使用Tmeminifile，另外動態取得的範例。

VAR SYSINI: TMemIniFile; // 讀取utf8格式的ini需使用TMemIniFile
ts:tstringlist;
i:integer;
ApplicationPath:string;
begin
// 先取得目前執行路徑
ApplicationPath := ExtractFilePath(Application.exename);
if ApplicationPath[length(ApplicationPath)] = ‘\’ then
begin
ApplicationPath := copy(ApplicationPath, 1, length(ApplicationPath) – 1);
end;
// 讀取sys.ini裡的memberid區塊並顯示值
MEMO1.Lines.Clear;
ts:=tstringlist.Create;
SYSini := TMemIniFile.Create(ApplicationPath+’\sys.ini’,TEncoding.UTF8);
if NOT (SYSini = nil) then begin
sysini.ReadSection(‘memberid’,ts);
for I:=0 TO TS.Count-1 DO BEGIN
MEMO1.Lines.Add(TS[I]);
MEMO1.LINES.Add(sysini.ReadString(‘MEMBERID’,TS[I],”));
END;
end;
ts.Free;
end;

PHP ord()函數utf8問題

早上在寫註冊機程式，不過遇到php的ord函數遇到utf8時無法運作的冏境。
找到了一個解決方式，另外寫了一個delphi xe5的ord函數比對確定無誤。

來源: phpkode

[php]
function utf8_ord($chr) {
$ord0 = ord($chr);
if ( $ord0 >= 0 && $ord0 <= 127 ) {
return $ord0;
}
if ( !isset($chr{1}) ) {
trigger_error(‘Short sequence – at least 2 bytes expected, only 1 seen’);
return FALSE;
}
$ord1 = ord($chr{1});
if ( $ord0 >= 192 && $ord0 <= 223 ) {
return ( $ord0 – 192 ) * 64
+ ( $ord1 – 128 );
}
if ( !isset($chr{2}) ) {
trigger_error(‘Short sequence – at least 3 bytes expected, only 2 seen’);
return FALSE;
}
$ord2 = ord($chr{2});
if ( $ord0 >= 224 && $ord0 <= 239 ) {
return ($ord0-224)*4096
+ ($ord1-128)*64
+ ($ord2-128);
}
if ( !isset($chr{3}) ) {
trigger_error(‘Short sequence – at least 4 bytes expected, only 3 seen’);
return FALSE;
}
$ord3 = ord($chr{3});
if ($ord0>=240 && $ord0<=247) {
return ($ord0-240)*262144
+ ($ord1-128)*4096
+ ($ord2-128)*64
+ ($ord3-128);

}

if ( !isset($chr{4}) ) {
trigger_error(‘Short sequence – at least 5 bytes expected, only 4 seen’);
return FALSE;
}
$ord4 = ord($chr{4});
if ($ord0>=248 && $ord0<=251) {
return ($ord0-248)*16777216
+ ($ord1-128)*262144
+ ($ord2-128)*4096
+ ($ord3-128)*64
+ ($ord4-128);
}

if ( !isset($chr{5}) ) {
trigger_error(‘Short sequence – at least 6 bytes expected, only 5 seen’);
return FALSE;
}
if ($ord0>=252 && $ord0<=253) {
return ($ord0-252) * 1073741824
+ ($ord1-128)*16777216
+ ($ord2-128)*262144
+ ($ord3-128)*4096
+ ($ord4-128)*64
+ (ord($c{5})-128);
}

if ( $ord0 >= 254 && $ord0 <= 255 ) {
trigger_error(‘Invalid UTF-8 with surrogate ordinal ‘.$ord0);
return FALSE;
}

}
[/php]