Delphi SQL ÅúÁ¿²åÈë - Delphi / Êý¾Ý¿âÏà¹Ø
ÓÐÈý¸ö±í£º
a(ID1,Name1);
b(ID2,Name2);
c(ID1,ID2);
aÖÐID1¶ÔÓ¦µÄÊý¾ÝÓУº
a1,a2,...,am
bÖÐID2¶ÔÓ¦µÄÊý¾ÝÓУº
b1,b2,...bn
ÔÚDelphiÖÐÈçºÎд¸ßЧµãµÄÓï¾ä£¬Ê¹µÃÄܹ»½«ÏÂÃæµÄÊý¾Ý²åÈëµ½c±íÖУº
a1,b1
a1,b2
...
a1,bn
...
a2,b1
a2,b2
...
a2,bn
...
...
am,b1
am,b2
...
am,bn
ÎÒÓõÄÊÇADOQueryÁ¬½ÓÊý¾Ý¿âµÄ¡£
ÏÈÓòéѯÉú³Éa¡¢b¹ØÁªµÄ±í£¨·ûºÏÄã¸ñʽҪÇóµÄ£©£¬È»ºóÓòåÈëÓï¾ä£¬½«²éѯ½á¹û²åÈëµ½c±íÖС£
ÏÈÓòéѯÉú³Éa¡¢b¹ØÁªµÄ±í£¨·ûºÏÄã¸ñʽҪÇóµÄ£©£¬È»ºóÓòåÈëÓï¾ä£¬½«²éѯ½á¹û²åÈëµ½c±íÖС£
{{
Ïà¹ØÎÊ´ð£º
ÎÒÓжà¸ö±íA B C ½á¹¹ÊÇÒ»ÑùµÄ£¬¶¼ÓÐ2¸ö×Ö¶ÎnameºÍcontent,ÎÒÒªËÑË÷ËùÒÔ±íËùÓÐ×Ö¶ÎÖаüº¬¡°Öйú¡±µÄÄÚÈÝ Õâ¸öSQLÓï¾äÔõôд
ÈçºÎ½«¶à¸ö±íµÄ²éѯ½á¹ûÁ¬³ÉÒ»¸ö±í Õâ¸öSQLÓï¾äÔõôд ±íµÄ½á¹¹ÊÇÒ»ÑùµÄ
ÀýÈç£ ......
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jas ......
ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º
......
ÇëÎÊ
Ìí¼ÓÐÂÊý¾ÝÔ´->Êý¾Ý¿â->Ìí¼ÓÁ¬½Ó
Õâ¸ö½çÃæÏ£¬Êý¾ÝÔ´Ñ¡Ôñ£ºMicrosoft SQL Server (SqlClient)£»
·þÎñÆ÷Ãû£º
Ó¦¸ÃÐ´Ê²Ã´ÄØ£¿
ÓÐËÖªµÀ£¿¶àл¸÷λ£¡£¡
Äãµ½µ×ÊÇÒªÁ¬mysql»¹ÊÇmssql£¿
ÒýÓÃ
ÇëÎÊ
......
Àý×Ó³ÌÐò¼û¸½¼þ£¬ÓÃDelphi 7½øÐбàÒë
ÎÊÌâ´úÂëΪ
Delphi(Pascal) code:
if Node.ChildNodes <> nil then
begin
for i := 0 to Node.ChildNodes.Count - 1 do
begin
cNode := N ......