Delphi abc
1. ×Ö·û´®Á¬½ÓÖ±½ÓÓÃ+£¬ÓëJavaºÍPythonÖеÄÏàͬ
2. Ö´ÐÐÍⲿÃüÁîʹÓÃwinexec£¬ShellExecute
eg. ShellExecute(0, 'open', 'jre/bin/java', '-lang zh-CN', 'E:\myfolder', SW_SHOW);
3. ÅжÏÎļþ¡¢Îļþ¼ÐÊÇ·ñ´æÔÚ
FileExists('C:\Users\bill\somefile.txt')
DirectoryExits('C:\WINDOWS')
4. if else ½á¹¹
if FileExists(Edit1.Text) then
begin
....
end // ²»¿É¼Ó·ÖºÅ
else if DirectoryExits('Edit1.Text') then
begin
....
end // ²»¿É¼Ó·ÖºÅ
else
begin
....
end;
5. »ñÈ¡ÆÁÄ»¿í¶È¸ß¶ÈÖ±½ÓʹÓà Screen.Width Screen.Height
6. ÉèÖô°¿ÚλÖà SetBounds(left. top, width, height)
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Day ¿ªÍ·µÄº¯Êý
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Unit
DateUtils
function DateOf(const Avalue: TDateTime): TDateTime;
ÃèÊö
ʹÓà DateOf º¯ÊýÓÃÀ´°ÑÒ»¸ö TDateTime ÀàÐ͵ıäÁ¿×ª±ä³ÉÒ»¸ö
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showmessage(DateTimetostr(dateof(now())));
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¶ø showmessage(DateTime ......
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2.ǰ̨²ÉÓà Delphi
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1¡¢Ã¶¾ÙÀàÐ͵͍Òå
¸ñʽ:¡¡type ö¾ÙÀàÐͱêʶ·û=(±êʶ·û1,±êʶ·û2,…,±êʶ·ûn)
2¡¢Ã¶¾ÙÀàÐÍÊý¾ÝÌØµã
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1¡¢ÏÈÓÃConst ¶¨ÒåÒ»¸ö³£Á¿£¬ÀýÈç const WM_MyMessage=WM_USER+$200;
2¡¢ÔÚҪʵÏÖµÄunitÖж¨ÒåÒ»¸ö˽Óз½·¨
procedure doMyMessage(var msg:TMessage);message WM_MyMessage;
3¡¢ÊµÏÖÕâ¸ö˽Óз½·¨
procedure TForm1.doMyMessage(var msg:TMessage);
begin
//
if msg. ......