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ʹÓà php study ŲÓÃÊý¾Ý¿â°ì·¨ÈçÏ£ºµ¼Èë sql Îļþ²¢Ñ¡ÕªÒª²Ù×÷µÄÊý¾Ý¿â°æ±¾ £»Ê¹Óà mysql_connect() ÅþÁ¬µ½Êý¾Ý¿â£¬ÌṩÖ÷»ú¡¢Óû§Ãû¡¢ÃÜÂëºÍÊý¾Ý¿âÃû £»Ê¹Óà mysql_select_db() Ñ¡ÕªÒª²Ù×÷µÄÊý¾Ý¿â £»Ê¹Óà mysql_query() Ö´ÐÐ sql ÅÌÎÊ £»Ê¹Óà mysql_fetch_assoc() »ñÈ¡ÅÌÎÊЧ¹û £»Ê¹Óà mysql_close() ¹Ø±ÕÊý¾Ý¿âÅþÁ¬¡£

ÔõÑùʹÓà PHP Study ŲÓÃÊý¾Ý¿â

1. µ¼ÈëÊý¾Ý¿â

·­¿ª PHP Study ¿ØÖÆÃæ°å£¬µã»÷¡°Êý¾Ý¿â¡±¡£

µã»÷¡°µ¼ÈëÊý¾Ý¿â¡±£¬Ñ¡ÕªÒªµ¼ÈëµÄ SQL Îļþ¡£

Ñ¡ÕªÒªµ¼ÈëÊý¾Ý¿âµÄ MySQL °æ±¾¡£

2. ÅþÁ¬Êý¾Ý¿â

·­¿ª PHP Îļþ»òÒ³Ãæ¡£

ʹÓà mysql_connect() º¯ÊýÅþÁ¬µ½Êý¾Ý¿â¡£

$host = 'localhost';
$user = 'username';
$password = 'password';
$database = 'database_name';

$conn = mysql_connect($host, $user, $password);

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3. Ñ¡ÔñÊý¾Ý¿â

Á¬Ã¦Ñ§Ï°¡°PHPÃâ·ÑѧϰÌõ¼Ç£¨ÉîÈ룩¡± £»

ʹÓà mysql_select_db() º¯ÊýÑ¡ÕªÒª²Ù×÷µÄÊý¾Ý¿â¡£

mysql_select_db($database, $conn);

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4. Ö´ÐÐ SQL ÅÌÎÊ

ʹÓà mysql_query() º¯ÊýÖ´ÐÐ SQL ÅÌÎÊ¡£

$query = 'SELECT * FROM users';
$result = mysql_query($query, $conn);

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5. ´¦ÀíÅÌÎÊЧ¹û

ʹÓà mysql_fetch_assoc() º¯Êý»ñÈ¡ÅÌÎÊЧ¹û¡£

while ($row = mysql_fetch_assoc($result)) {
  // ´¦ÀíÊý¾Ý
}

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6. ¹Ø±ÕÅþÁ¬

ʹÓà mysql_close() º¯Êý¹Ø±ÕÊý¾Ý¿âÅþÁ¬¡£

mysql_close($conn);

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