(PHP 4, PHP 5)
mysql_select_db — 选锟斤拷 MySQL 锟斤拷锟捷匡拷
$database_name
[, resource $
link_identifier
] ) : bool
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
mysql_select_db() 锟借定锟斤拷指锟斤拷锟斤拷锟斤拷锟接憋拷识锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟较的碉拷前锟斤拷锟斤拷锟斤拷锟捷库。锟斤拷锟矫伙拷锟街革拷锟斤拷锟斤拷颖锟绞讹拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟揭伙拷锟斤拷蚩锟斤拷锟斤拷印锟斤拷锟斤拷没锟叫打开碉拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟睫诧拷锟斤拷锟斤拷锟斤拷 mysql_connect() 锟斤拷锟斤拷锟皆达拷一锟斤拷锟斤拷使锟斤拷之锟斤拷
每锟斤拷锟斤拷锟斤拷 mysql_query() 锟斤拷锟矫讹拷锟斤拷锟斤拷锟斤拷锟节活动锟斤拷锟捷库。
Example #1 mysql_select_db() 锟斤拷锟斤拷
<?php
$lnk = mysql_connect('localhost', 'mysql_user', 'mysql_password')
or die ('Not connected : ' . mysql_error());
// make foo the current db
mysql_select_db('foo', $lnk) or die ('Can\'t use foo : ' . mysql_error());
?>
锟轿硷拷 mysql_connect()锟斤拷mysql_pconnect() 锟斤拷 mysql_query()锟斤拷
为锟斤拷锟铰硷拷锟斤拷锟斤拷然锟斤拷锟斤拷使锟斤拷 mysql_selectdb()锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
database_nameThe name of the database that is to be selected.
link_identifierMySQL
锟斤拷锟接★拷锟界不指锟斤拷锟斤拷锟接憋拷识锟斤拷锟斤拷使锟斤拷锟斤拷 mysql_connect()
锟斤拷锟斤拷蚩锟斤拷锟斤拷印锟斤拷锟斤拷没锟斤拷锟揭碉拷锟斤拷锟斤拷锟接ｏ拷锟结尝锟皆诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
mysql_connect()
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟揭碉拷锟斤拷锟接伙拷锟睫凤拷锟斤拷锟斤拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟�
E_WARNING 锟斤拷锟斤拷拇锟斤拷锟�
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
Example #2 mysql_select_db() example
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
die('Not connected : ' . mysql_error());
}
// make foo the current db
$db_selected = mysql_select_db('foo', $link);
if (!$db_selected) {
die ('Can\'t use foo : ' . mysql_error());
}
?>
Note:
为锟斤拷锟斤拷锟铰硷拷锟捷ｏ拷锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟窖凤拷锟斤拷锟侥憋拷锟斤拷锟斤拷 mysql_selectdb()