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Ö§³ÖUTF-16±àÂë.
Óû§×Ô¶¨ÒåµÄÎı¾ÅÅÐò·½·¨.
¿ÉÒÔ¶ÔBLOBs×ֶν¨Á¢Ë÷Òý.
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3.0°æµÄºÍ2.X°æµÄAPI·Ç³£ÏàËÆ,µ«ÊÇÓÐһЩÖØÒªµÄ¸Ä±äÐèҪעÒâ. ËùÓÐAPI½Ó¿Úº¯ÊýºÍÊý¾Ý½á¹¹µÄǰ׺¶¼ÓÉ"sqlite_
"¸ÄΪÁË"sqlite3_
". ÕâÊÇΪÁ˱ÜÃâͬʱʹÓÃSQLite 2.XºÍSQLite 3.0ÕâÁ½¸ö°æ±¾µÄʱºò·¢ÉúÁ´½Ó³åÍ».
ÓÉÓÚ¶ÔÓÚCÓïÑÔÓ¦¸ÃÓÃʲôÊý¾ÝÀàÐÍÀ´´æ·ÅUTF-16±àÂëµÄ×Ö·û´®²¢Ã»ÓÐÒ»ÖµĹ淶. Òò´ËSQLiteʹÓÃÁËÆÕͨµÄvoid* ÀàÐÍÀ´Ö¸ÏòUTF-16±àÂëµÄ×Ö·û´®. ¿Í»§¶ËʹÓùý³ÌÖпÉÒÔ°Ñvoid*Ó³Éä³ÉÊʺÏËûÃǵÄϵͳµÄÈκÎÊý¾ÝÀàÐÍ.
2.0 C/C++ ½Ó¿Ú
SQLite 3.0Ò»¹²ÓÐ83¸öAPIº¯Êý,´ËÍ⻹ÓÐһЩÊý¾Ý½á¹¹ºÍÔ¤¶¨Òå(#defines). (ÍêÕûµÄAPI½éÉÜÇë²Î¿´ÁíÒ»·ÝÎĵµ.)
²»¹ýÄãÃÇ¿ÉÒÔ·ÅÐÄ,ÕâЩ½Ó¿ÚʹÓÃÆðÀ´²»»áÏñËüµÄÊýÁ¿Ëù°µÊ¾µÄÄÇô¸´ÔÓ. ×î¼òµ¥µÄ³ÌÐòÈÔȻʹÓÃÈý¸öº¯Êý¾Í¿ÉÒÔÍê³É: sqlite3_open(),
sqlite3_exec(), ºÍ sqlite3_close().
ÒªÊÇÏë¸üºÃµÄ¿ØÖÆÊý¾Ý¿âÒýÇæµÄÖ´ÐÐ,¿ÉÒÔʹÓÃÌṩµÄsqlite3_prepare()º¯Êý°ÑSQLÓï¾ä±àÒë³É×Ö½ÚÂë,È»ºóÔÚʹÓÃ
sqlite3_step()º¯ÊýÀ´Ö´ÐбàÒëºóµÄ×Ö½ÚÂë. ÒÔsqlite3_column_¿ªÍ·µÄÒ»×éAPIº¯ÊýÓÃÀ´»ñÈ¡²éѯ½á¹û¼¯ÖеÄÐÅÏ¢.
Ðí¶à½Ó¿Úº¯Êý¶¼ÊdzɶԳöÏÖµÄ,ͬʱÓÐUTF-8ºÍUTF-16Á½¸ö°æ±¾. ²¢ÇÒÌṩÁËÒ»×麯ÊýÓÃÀ´Ö´ÐÐÓû§×Ô¶¨ÒåµÄSQLº¯ÊýºÍÎı¾ÅÅÐòº¯Êý.
2.1 ÈçºÎ´ò¿ª¹Ø±ÕÊý¾Ý¿â
typedef struct sqlite3 sqlite3;
int sqlite3_open(const char*, sqlite3**);
int sqlite3_open16(const void*, sqlite3**);
int sqlite3_close(sqlite3*);
const char *sqlite3_errmsg(sqlite3*);
const void *sqlite3_errmsg16(sqlite3*);
int sqlite3_errcode(sqlite3*);
sqlite3_open() º¯Êý·µ»ØÒ»¸öÕûÊý´íÎó´úÂë,¶ø²»ÊÇÏñµÚ¶þ°æÖÐÒ»Ñù·µ»ØÒ»¸öÖ¸Ïòsqlite3½á¹¹ÌåµÄÖ¸Õë.
sqlite3_open() ºÍ sqlite3_open16() µÄ²»Í¬Ö®´¦ÔÚÓÚsqlite3_open16()
ʹÓÃUTF-16±àÂë(ʹÓñ¾µØÖ÷»ú×Ö½Ú˳Ðò)´«µÝÊý¾Ý¿âÎļþÃû. Èç¹ûÒª´´½¨ÐÂÊý¾Ý¿â, sqlite3_open16()
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