[原创]phpphp连接类
<?php
class Db{
public $conn;
public $root=localhost;
public $user=root;
public $pass=root;
public $db=111cn.cn;
public $charset=gb2312;
public $links=c;
function __construct() {
$this->connect();
}
function connect()
{
try{
if( p == $this->links )
{
$this->conn = php_pconnect($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($this->db,$this->conn);
mysql_query("set Names $this->charset");
}catch (Exception $e){
echo 数据库连接失败，请联系相关人员!;
exit;
}
}
/*
query
*/
function query($sql)
{
$this->row = mysql_query( $sql,$this->conn ) or die( mysql_error());
return $this->row;
}
/*
mysql_num_rows total
*/
function rows($row)
{
return mysql_num_rows( $row );
}
/*
get data store array
*/
function fetch($row,$tag=1)
{
if(1 == $tag )
{
return mysql_fetch_array( $row );
}
else
{
$array =array();
while( $rs = mysql_fetch_array( $row ) )
{
$array[] = $rs;
}
}
return $array;
}
/*
取得刚插入的ID号
*/
function insert_id()
{
return @mysql_insert_id($this->row);
}
//close current database link
function close()
{
return @mysql_close($this->conn);
}
//test mysql version
function version()
{
$query = @mysql_query("SELECT VERSION()",$this->conn);
return @mysql_result($this->$row, 0);
}
}
?>