php mysql_connect 与mysql_pconnect函数与实例教程
php教程 mysql教程_connect 与mysql_pconnect函数与实例教程
mysql_connect
mysql_connect($this->root,$this->user,$this->pass)
/*
mysql_connect ,单个反问用户不会频繁的调用数据库教程，没必要保持连接，而且mysql的连接数也是有限制的， 使用 及时访问比较频繁，也最好使用mysql_connect，这样使用的过的资源可以立刻释放，否则，容易造成资源耗
*/
mysql_pconnect
/*
mysql_pconnect() 函数打开一个到 MySQL 服务器的持久连接
*/
$con = mysql_pconnect("localhost","mysql_user","mysql_pwd");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
class testLinkMysql{
public $conn;
public $root='localhost';
public $user='root';//'loupan';
public $pass='root';//'loupandsffds';
public $db='dbname';
public $charset='gbk';
public $links='c'; //标题
function __construct() {
if( !$this->conn )
{
$this->connect();
}
}
function __destruct() {
if( $this->conn )
{
$this->close();
}
}
function MysqlConnect()
{
try{
if( 'p' == $this->links )
{
$this->conn = mysql_pconnect($this->root,$this->user,$this->pass) or die(mysql_error());
}
else
{
$this->conn = mysql_connect($this->root,$this->user,$this->pass) or die( mysql_error());
}
mysql_select_db($t
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