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

PHP

<?php
// open database connection
@ $db = new mysqli($host, $user, $password, $database_name);
if (mysql_connect_error())
{
echo '';
exit;
}
// query
$result = $db->query($sql);
$num_results = $db->num_rows;
// data
$row = $result->fetch_assoc(); // row is array, $row['id']
// release database source
$result->free();
$db->close();
?>


Ïà¹ØÎĵµ£º

»ùÓÚPHPµÄÍøÉÏÉ̳ǹÜÀíÐÅϢϵͳ·ÖÎöÓëÉè¼Æ ¿ªÌⱨ¸æ

»ùÓÚPHPµÄÍøÉÏÉ̳ǹÜÀíÐÅϢϵͳ·ÖÎöÓëÉè¼Æ
 
Ò»¡¢   (±³¾°½éÉÜ)Ñ¡ÌâÒÀ¾Ý¼°¼ÛÖµ£º
2008ÄêϰëÄê,È«ÇòÐԵĽðÈÚΣ»ú±¬·¢,ÂûÑÓÖÁ¸÷¸ö²úÒµ¼°ÁìÓò,Õâ´Î¾­¼ÃµÄ´óÏôÌõÈÃÎÒ¿´µ½µÄÊÇ»úÓö,ÖйúÔÚÕâ´Î¾­¼ÃΣ»úÖÐÏÔʾÁ˲»·²µÄʵÁ¦Ó뷢չDZÁ¦,µ±ÆóÒµÃæÁÙÀ§¾³µÄʱºò,×îÏÈÏëµ½µÄÊÇÈçºÎËõ¼õÉÌÒµ³É±¾,±ÈÈç²ÃÔ±½µÐ½,Ëæ×ÅÍøÂç ......

PHPÊý×éµÄ×ܽá

 
Ò»¡¢Ê²Ã´ÊÇÊý×é
Êý×é¾ÍÊÇÒ»×éÊý¾ÝµÄ¼¯ºÏ£¬°ÑһϵÁÐÊý¾Ý×éÖ¯ÆðÀ´£¬ÐγÉÒ»¸ö¿É²Ù×÷µÄÕûÌå¡£Êý×éµÄÿ¸öʵÌå¶¼°üº¬Á½Ï¼üºÍÖµ¡£
¶þ¡¢ÉùÃ÷Êý¾Ý
ÔÚPHPÖÐÉùÃ÷Êý×éµÄ·½Ê½Ö÷ÒªÓÐÁ½ÖÖ£ºÒ»ÊÇÓ¦ÓÃarray()º¯ÊýÉùÃ÷Êý×飬һÊÇÖ±½ÓΪÊý×éÔªËØ¸³Öµ¡£
<1>array()º¯ÊýÉùÃ÷µÄÊý×éµÄ·½Ê½array([mixed...]) ²ÎÊýmixedµÄÓ﷨Π......

PHPѧϰ±Ê¼Ç

1.Ö±½ÓʹÓÃmysql_insert_id()»ñÈ¡ÉÏÒ»´Î²åÈëµÄÊý¾ÝµÄAUTO_INCREMENTµÄ±äÁ¿µÄ±àºÅ£¬±ÈʹÓÃmysqlÓï¾ä»ñÈ¡·½±ã¼«¶à¡£µ«×¢ÒâÒªÔÚquery()ºóÁ¢¿ÌʹÓ㬱£Ö¤Ê±¼äÕýÈ·ÐÔ£¬Èç¶àÏ̷߳ÃÎÊÊý¾Ý¿âÊDzúÉúÎó²î¡£
2.µÈºÅ×óÓÒ¸÷ÁôÒ»¿Õ¸ñ£¬ÇåÎú±ãÓÚÔĶÁ¡£
3.PHPÖУ¬µ¥Ë«ÒýºÅ¾ù¿ÉÒÔÌ×string£¬Çø±ðÔÚÓÚ£º
"this is a simple $test" = 'this i ......

PHPÖÐSession±äÁ¿²»ÄÜ´«Ë͵½ÏÂÒ»Ò³µÄ½â¾ö·½·¨

ÔÚPHPÖÐʹÓùýSESSIONµÄÅóÓÑ¿ÉÄÜ»áÅöµ½Õâôһ¸öÎÊÌ⣬SESSION±äÁ¿²»ÄÜ¿çÒ³´«µÝ¡£ÕâÁîÎÒ¿àÄÕÁ˺ÃЩÈÕ×Ó£¬×îÖÕͨ¹ý²é×ÊÁÏ˼¿¼²¢½â¾öÁËÕâ¸öÎÊÌâ¡£ÎÒÈÏΪ£¬³öÏÖÕâ¸öÎÊÌâµÄÔ­ÒòÓÐÒÔϼ¸µã£º
1¡¢¿Í»§¶Ë½ûÓÃÁËcookie
2¡¢ä¯ÀÀÆ÷³öÏÖÎÊÌ⣬ÔÝʱÎÞ·¨´æÈ¡cookie
3¡¢php.iniÖеÄsession.use_trans_sid = 0»òÕß±àÒëʱûÓдò¿ª--enable ......

[PHP] ´Ó json_encode µ½ ajax_encode

PHP 5.2 ¼°ÒÔÉϰ汾ÌṩÁË json_encode ºÍ json_decode º¯Êý£¬Ï൱ºÃÓá£
¶øÖ®Ç°µÄ°æ±¾ÔòÐèÒªÏÂÔØÍøÓÑÃÇ×ÔÐпª·¢µÄ¿â£¨ÓÐÐËȤµÄ¿ÉÒÔ¿´Ï http://code.itlearner.com/php/JSON-class.html £©
¿ÉÒԲο¼ÈçÏÂÕâ¸ö·½·¨À´ÔڵͰ汾ÉÏÀ©³äÕâÁ½¸öº¯Êý£º
if (!function_exists('json_encode') && !function_exists('j ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ