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

SQLiteÓëC½áºÏ

SQLite¹Ù·½ÍøÕ¾Àý×Ó£º
#include <stdio.h>
#include <sqlite3.h>
static int callback(void *NotUsed, int argc, char **argv, char **azColName){
int i;
for(i=0; i<argc; i++){
printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
}
printf("\n");
return 0;
}
int main(int argc, char **argv){
sqlite3 *db;
char *zErrMsg = 0;
int rc;
if( argc!=3 ){
fprintf(stderr, "Usage: %s DATABASE SQL-STATEMENT\n", argv[0]);
exit(1);
}
rc = sqlite3_open(argv[1], &db);
if( rc ){
fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
exit(1);
}
rc = sqlite3_exec(db, argv[2], callback, 0, &zErrMsg);
if( rc!=SQLITE_OK ){
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
sqlite3_close(db);
return 0;
}
ÓÃgcc±àÒë
gcc -lsqlite3 sqlite.c -o sqlite
ÔËÐÐʱ./sqlite ab.db 'SQL Óï¾ä'


Ïà¹ØÎĵµ£º

CÖÐÈ«¾Ö±äÁ¿ºÍº¯ÊýÉùÃ÷µÄÈÏʶ

ÔÚCÖпÉÒÔ¶¨ÒåÈ«¾Ö±äÁ¿£¬È«¾Ö±äÁ¿ÊÇÔÚ³ÌÐò¼ÓÔØ³õʼ»¯Ê±·ÖÅä¿Õ¼ä²¢½øÐгõʼ»¯¡£ÔÚc´úÂëÖж¨Òå/ÉùÃ÷È«¾Ö±äÁ¿µÄ·½Ê½ÈçÏÂ
1. int n;
    ¶¨Òå»òÕßÉùÃ÷£¨Èç¹ûÔÚÆäËûÎļþÖÐÒѶ¨Ò壩ȫ¾Ö±äÁ¿¡£
2. int n = 10;
    ¶¨ÒåÈ«¾Ö±äÁ¿²¢³õʼ»¯¡£
3. extern int n;
    ÉùÃ÷ÔÚÍⲿ¶¨Ò ......

ͨ¹ý#pragma pack(n)¸Ä±äC±àÒëÆ÷µÄ×Ö½Ú¶ÔÆë·½Ê½

Ô­ÎĵØÖ·£ºhttp://blog.csdn.net/yc0188/archive/2005/02/26/303190.aspx
ÔÚCÓïÑÔÖУ¬½á¹¹ÊÇÒ»ÖÖ¸´ºÏÊý¾ÝÀàÐÍ£¬Æä¹¹³ÉÔªËØ¼È¿ÉÒÔÊÇ»ù±¾Êý¾ÝÀàÐÍ£¨Èçint¡¢long¡¢floatµÈ£©µÄ±äÁ¿£¬Ò²¿ÉÒÔÊÇһЩ¸´ºÏÊý¾ÝÀàÐÍ£¨ÈçÊý×é¡¢½á¹¹¡¢ÁªºÏµÈ£©µÄÊý¾Ýµ¥Ôª¡£ÔڽṹÖУ¬±àÒëÆ÷Ϊ½á¹¹µÄÿ¸ö³ÉÔ±°´Æä×ÔÈ»¶Ô½ç£¨alignment£©Ìõ¼þ·ÖÅä¿Õ¼ä¡£¸÷ ......

Linux C MySQLÊý¾Ý¿âº¯Êý

1. ³õʼ»¯Ò»¸öÁ¬½Ó¾ä±ú
    MYSQL *mysql_init(MYSQL *);
    ÕýÈ·£º·µ»ØÒ»¸öÖ¸ÏòзÖÅäµÄÁ´½Ó¾ä±ú½á¹¹µÄÖ¸Õë
    ´íÎó£ºNULL
    ×¢£º¸Ãº¯ÊýµÄ´«Èë²ÎÊýͨ³£ÎªNULL¼´¿É¡£
2. ½¨Á¢ÎïÀíÁ¬½Ó
    MYSQL *mysql_real_connect(MYSQL *connect ......

º¯ÊýµÄ½âÎöÖ®C/C++

      º¯ÊýÊdzÌÐòµÄÖ´ÐÐÄ£¿é£¬ÊÇÕû¸öÏîÄ¿µÄϸ°û£¬ÈçºÎ×éÖ¯ºÃÿһ¸öº¯ÊýµÄ½á¹¹£¬ÈçºÎÌá¸ß³ÌÐòµÄ¿É¶ÁÐÔºÍÔËÐÐЧÂÊ£¬ÊdzÌÐòÔ±ÃDz»¶ÏƷζµÄÖ÷Ìå¡£ÓÐʱº¯ÊýµÄÉè¼ÆÄÜÖ±½ÓÌåÏÖ³ö³ÌÐòÔ±¶ÔC/C++µÄÀí½âºÍ¸ÐÎò¡£
      C/C++µÄº¯ÊýÀàÐͲ»¶ÔÍâºõÒÔϼ¸ÖÖ£¬ÓÐЩÃèÊö¿ÉÄܲ»Ì«ÌùÇУº
......

cÁ¬½Ó·û

cÓïÑԺ궨ÒåµÄÁ¬½Ó·ûÓÐÄÄЩ
[´ËÎÊÌâµÄÍÆ¼ö´ð°¸]
(Ò»)ºê¶¨ÒåÖеÄ## Á¬½Ó·ûÓë# ·û
## Á¬½Ó·ûºÅÓÉÁ½¸ö¾®ºÅ×é³É£¬Æä¹¦ÄÜÊÇÔÚ´ø²ÎÊýµÄºê¶¨ÒåÖн«Á½¸ö×Ó´®(token)Áª½ÓÆðÀ´£¬´Ó¶øÐγÉÒ»¸öеÄ×Ó´®¡£µ«Ëü²»¿ÉÒÔÊǵÚÒ»¸ö»òÕß×îºóÒ»¸ö×Ó´®¡£ËùνµÄ×Ó´®(token)¾ÍÊÇÖ¸±àÒëÆ÷Äܹ»Ê¶±ðµÄ×îСÓï·¨µ¥Ôª¡£¾ßÌåµÄ¶¨ÒåÔÚ±àÒëÔ­ÀíÀïÓÐÏ꾡µÄ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ