VC++µÄADOÁ¬½ÓSQL Server²½Öè
1£ºSQL ServerÊý¾Ý¿âÅäÖÃ
¿ªÆô·þÎñÆ÷
ÍÐÅÌÏÔʾ·þÎñÆ÷Æô¶¯
2:ÔÚStaAfx.h ÖÐÌí¼ÓÈçÏ´úÂë
#import "C:\\Program Files\\Common Files\\System\\ado\\msado15.dll" no_namespace rename("EOF","adoEOF")rename("BOF","adoBOF")
//³öÏÖmsado15.dll ±íʾµ¼Èë³É¹¦
3:ÔÚBOOL CXXXApp::InitInstance()Öгõʼ»¯COM»·¾³
BOOL CXXXApp::InitInstance()
{
AfxEnableControlContainer();
::CoInitialize(NULL);
…….
ÊÍ·ÅCOM»·¾³
::CoUninitialize();
return FALSE;
}
4£ºËµÃ÷
ÀûÓÃϵͳĬÈ϶¨ÒåÈ«¾ÖCXXXAppÀàµÄ¶ÔÏótheApp¿ÉÒÔµ÷ÓÃÀà·½·¨£¨º¯Êý£©µÄÄÜÁ¦£¬
¹ÊÔÚCXXXAppÀàÖмÓÈëÁ¬½ÓÊý¾Ý¿âµÄ¹«¹²·½·¨—InitADOConn£¨£©ºÍ¹«¹²Êý¾Ý—
_ConnectionPtr m_pConnection¡£
5£ºInitADOConn£¨£©µÄÄÚ²¿ÊµÏÖ
void CXXXApp::InitADOConn()
{
//ÓÃÓÚÈ«¾Ö±äÁ¿µ÷ÓÃÁ¬½ÓÊý¾Ý¿â
HRESULT hr; //·µ»Ø¼´½á¹û±äÁ¿
try
{
hr=m_pConnection.CreateInstance("ADODB.Connection"); //³õʼ»¯Á¬½Ó×Ö·û¼¯
if(SUCCEEDED(hr))
{
&nbs
Ïà¹ØÎĵµ£º
ÍøÉÏÒ»µÀ½ðɽµÄÃæÊÔÌ⣺
http://topic.csdn.net/u/20100524/14/0eff992a-2849-4db6-bdaa-d4a200e79b7c.html
Çë·Ö±ðÓÃC++µÄÃæÏò¶ÔÏóºÍ·ºÐÍ»úÖÆ£¬±àдʵÏÖTemplate MethodģʽµÄʾÀý´úÂ룬²¢±È½ÏÁ½ÖÖ·½Ê½¸÷×ÔµÄÓÅȱµã¡£
ÓÃÐ麯ÊýʵÏÖTemplate MethodµÄ·½Ê½¾Í²»¶à˵ÁË¡£Ó÷ºÐ͵ķ½Ê½ÊµÏÖ¶à̬ÔÚATLÀïÃæÓдóÁ¿µÄÓõ½£¡
·ºÐ͵ ......
--²âÊÔÊý¾Ý
if OBJECT_ID('tb') is not null
drop table tb
go
CREATE TABLE tb(ID char(3),PID char(3),Name nvarchar(10))
INSERT tb SELECT '001',NULL ,'ɽ¶«Ê¡'
UNION ALL SELECT '002','001','ÑĮ̀ÊÐ'
UNION ALL SELECT '004','002','ÕÐÔ¶ÊÐ'
UNION ALL SELECT '003','001','ÇൺÊÐ'
UNION ALL SELECT '00 ......
Technorati ±êÇ©: C++ ÔÎĵØÖ·£ºhttp://www.byvoid.com/blog/c-int64/ ÔÚC/C++ÖУ¬64ΪÕûÐÍÒ»Ö±ÊÇÒ»ÖÖûÓÐÈ·¶¨¹æ·¶µÄÊý¾ÝÀàÐÍ¡£ÏÖ½ñÖ÷Á÷µÄ±àÒëÆ÷ÖУ¬¶Ô64ΪÕûÐ͵ÄÖ§³ÖÒ²ÊDZê×¼²»Ò»£¬ÐÎ̬¸÷Òì¡£Ò»°ãÀ´Ëµ£¬64λÕûÐ͵Ķ¨Ò巽ʽÓÐlong longºÍ__int64Á½ÖÖ(VC»¹Ö§³Ö_int64)£¬¶øÊä³öµ½±ê×¼Êä³ö·½Ê½ÓÐprintf(¡°%lld¡±,a)£¬printf ......
ÔÚSQLÓïÑÔÖУ¬Ö»ÌṩÁËÒ»¸ö¶¯´ÊSELECTÓÃÀ´½øÐÐÊý¾Ý²éѯ²Ù×÷£¬µ«Õâ¸ö¶¯´ÊµÄ²ÎÊýÊ®·Ö¸´ÔÓ£¬ÇÒÄÜǶÌ×ʹÓã¬ÆäͨÓøñʽÈçÏ£º
SELECT [All|Distinct]<Ä¿±êÁбí´ïʽ>[£¬<Ä¿±êÁбí´ïʽ>]...
from <±íÃû»òÊÓͼÃû>[£¬<±íÃû»òÊÓͼÃû>]...
[WHERE<Ìõ¼þ±í´ïʽ>]
[GROUP BY<ÁÐÃû1>[HAVING<Ì ......
Ò»¡¢SQL´æ´¢¹ý³ÌµÄ¸ÅÄÓŵ㼰Óï·¨
¡¡¡¡ÕûÀíÔÚѧϰ³ÌÐò¹ý³Ì֮ǰ£¬ÏÈÁ˽âÏÂʲôÊÇ´æ´¢¹ý³Ì?ΪʲôҪÓô洢¹ý³Ì£¬ËûÓÐÄÇЩÓŵã
¡¡¡¡¶¨Ò壺½«³£ÓõĻòºÜ¸´ÔӵŤ×÷£¬Ô¤ÏÈÓÃSQLÓï¾äдºÃ²¢ÓÃÒ»¸öÖ¸¶¨µÄÃû³Æ´æ´¢ÆðÀ´, ÄÇôÒÔºóÒª½ÐÊý¾Ý¿âÌṩÓëÒѶ¨ÒåºÃµÄ´æ´¢¹ý³ÌµÄ¹¦ÄÜÏàͬµÄ·þÎñʱ,Ö»Ðèµ÷ÓÃexecute,¼´¿É×Ô¶¯Íê³ ......