Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C++ÖÐʹÓÃsqlite

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include ".\sqlite3_lib\sqlite3.h"
 
static int _callback_exec(void * notused,int argc, char ** argv, char ** aszColName)
{
    int i;
    for ( i=0; i<argc; i++ )
    {
        printf( "%s = %s\n", aszColName[i], argv[i] == 0 ? "NUL" : argv[i] );
    }
    return 0;
}
void main(int argc,char *argv[])
{
 
const char * sSQL = "select * from animal;";
const char * sSQL1 = "insert into animal(id) values('233');";
    char * pErrMsg = 0;
    int ret = 0;
    sqlite3 * db = 0;
    ret = sqlite3_open("demo.sqb", &db);
    printf("%d\n",ret);
    if ( ret != SQLITE_OK )
    {
        fprintf(stderr, "Could not open database: %s", sqlite3_errmsg(db));
        exit(1);
    }
    printf("Successfully connected to database\n");
    sqlite3_exec( db, sSQL, _callback_exec, 0, &pErrMsg );
    if ( ret != SQLITE_OK )
    {
   
  fprintf(stderr, "SQL error: %s\n", pErrMsg);
        sqlite3_free(pErrMsg);
    }
    sqlite3_exec( db, sSQL1, _callback_exec, 0, &pErrMsg );
    if ( ret != SQLITE_OK )
    {
   
  fprintf(stderr, "SQL error: %s\n", pErrMsg);
        sqlite3_free(pErrMsg);
    }
    sqlite3_exec( db, sSQL, _callback_exec, 0, &pErrMsg );
    if ( ret != SQLITE_OK )
    {
   
  fprintf(stderr, "SQL error: %s\n", pErrMsg)


Ïà¹ØÎĵµ£º

C/C++ÖÐStaticµÄ×÷ÓÃÏêÊö


C/C++ÖÐStaticµÄ×÷ÓÃÏêÊö
 
1.ÏÈÀ´½éÉÜËüµÄµÚÒ»ÌõÒ²ÊÇ×îÖØÒªµÄÒ»Ìõ£ºÒþ²Ø¡£
µ±ÎÒÃÇͬʱ±àÒë¶à¸öÎļþʱ£¬ËùÓÐδ¼Óstaticǰ׺µÄÈ«¾Ö±äÁ¿ºÍº¯Êý¶¼¾ßÓÐÈ«¾Ö¿É¼ûÐÔ¡£ÎªÀí½âÕâ¾ä»°£¬ÎÒ¾ÙÀýÀ´ËµÃ÷¡£ÎÒÃÇҪͬʱ±àÒëÁ½¸öÔ´Îļþ£¬Ò»¸öÊÇa.c£¬ÁíÒ»¸öÊÇmain.c.
ÏÂÃæÊÇa.cµÄÄÚÈÝ£º
char a = 'A'; // global variable
void ......

C/C++ µÄÈ«¾Ö±äÁ¿³õʼ»¯Óë²»³õʼ»¯µÄÇø±ð

ÔÚCÓïÑÔÀȫ¾Ö±äÁ¿Èç¹û²»³õʼ»¯µÄ»°£¬Ä¬ÈÏΪ0£¬Ò²¾ÍÊÇ˵ÔÚÈ«¾Ö¿Õ¼äÀ
int x =0; ¸ú int x; µÄЧ¹û¿´ÆðÀ´ÊÇÒ»ÑùµÄ¡£µ«ÆäʵÕâÀïÃæµÄ²î±ðºÜ´ó£¬Ç¿ÁÒ½¨Òé´ó¼ÒËùÓеÄÈ«¾Ö±äÁ¿¶¼Òª³õʼ»¯£¬ËûÃǵÄÖ÷Òª²î±ðÈçÏ£º
±àÒëÆ÷ÔÚ±àÒëµÄʱºòÕë¶ÔÕâÁ½ÖÖÇé¿ö»á²úÉúÁ½ÖÖ·ûºÅ·ÅÔÚÄ¿±êÎļþµÄ·ûºÅ±íÖУ¬¶ÔÓÚ³õʼ»¯µÄ£¬½ÐÇ¿·ûºÅ£¬Î´³õʼ»¯µÄ ......

ÈçºÎÀí½âcºÍc++µÄ¸´ÔÓÀàÐÍÉùÃ÷

ת×Ô£ºhttp://blog.csdn.net/Lambol_8309/archive/2009/09/06/4524453.aspx
Ôø¾­Åöµ½¹ýÈÃÄãÃԻ󲻽⡢ÀàËÆÓÚint * (* (*fp1) (int) ) [10];ÕâÑùµÄ±äÁ¿ÉùÃ÷Â𣿱¾ÎĽ«ÓÉÒ×µ½ÄÑ£¬Ò»²½Ò»²½½Ì»áÄãÈçºÎÀí½âÕâÖÖ¸´ÔÓµÄC/C++ÉùÃ÷¡£
¡¡¡¡ÎÒÃǽ«´ÓÿÌì¶¼ÄÜÅöµ½µÄ½Ï¼òµ¥µÄÉùÃ÷ÈëÊÖ£¬È»ºóÖð²½¼ÓÈëconstÐÞÊηûºÍtypedef£¬»¹Óк¯ÊýÖ¸Õ ......

2009Äê9ÔÂÓïÑÔÅÅÐаñ£ºPHP³¬Ô½C++

TIOBEÊÀ½ç±à³ÌÓïÑÔÅÅÐаñÕ¹ÏÖÁ˱à³ÌÓïÑÔµÄÁ÷ÐÐÇ÷ÊÆ¡£Ã¿¸öÔ£¬¶¼ÓÐ×îеÄÊý¾Ý±»¸üС£Õâ·ÝÅÅÐаñµÄÊý¾ÝÈ¡ÑùÀ´Ô´ÓÚ»¥ÁªÍøÉϸ»Óо­ÑéµÄ³ÌÐòÔ±¡¢ÉÌ ÒµÓ¦Óá¢ÖøÃûµÄËÑË÷ÒýÇæ£¨ÖîÈç¹È¸è¡¢ MSN ¡¢ÑÅ»¢£©µÄ¹Ø¼ü×ÖÅÅÃû¡¢ Alexa ÉϵÄÅÅÃûµÈ¡£Çë×¢ÒâÕâ¸öÅÅÐаñÖ»ÊÇ·´Ó³ÁËij¸ö±à³ÌÓïÑÔµÄÈÈÃÅ³Ì¶È , Õâ²¢²»´ú±íËüÊÇÒ»¸ö×îºÃµÄ±à³ÌÓïÑÔ»òÊ ......

VC++,Javaµ½µ×¸ÃѧÄǸö£¿

ÏÖÔںܶàÈ˶¼ÎÊ C++ºÍJava ÄĸöºÃ. Æäʵ¼¼ÊõÉϸ÷Óи÷µÄºÃ´¦Óë²»×ã,ÎÒÏë´ó¼ÒËù˵µÄºÃ²»ºÃÖ¸µÃÊÇǰ;ºÃ²»ºÃ,׬µÄ¶à²»¶à.
 ÒªËµ×¬Ç®×î¶àµÄ¿Ï¶¨ÊÇC++ÁË.ÒòΪһÃż¼ÊõÊÇ·ñֵǮȫ¿´»áËüµÄÈËÓжàÉÙ¶ø²»ÔÚÓÚÕâ¸ö¼¼Êõ±¾ÉíµÄºÃ»µ. C++Éæ¼°Ó²¼þµ×²ãµÄ¶«Î÷±È½Ï¶à,ѧÆðÀ´ºÜ¸´ÔÓ,»áµÄÈËÉÙ,ËùÒÔֵǮ. 
&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ