????????????????

<?php
class opmysql{
private $host = 'localhost';            //?????????
private $name = 'root';                 //??????
private $pwd = '';                  //???????
private $dBase = '';            //?????????
private $conn = '';                     //????????????
private $result = '';                   //?????
private $msg = '';                      //??????
private $fields;                        //???????
private $fieldsNum = 0;                 //?????????
private $rowsNum = 0;                   //????????
private $rowsRst = '';                  //???????????????????
private $filesArray = array();          //???????????
private $rowsArray = array();           //??????????
//???????
function __construct($host=''??$name=''??$pwd=''??$dBase=''){
if($host != '')
$this->host = $host;
if($name != '')
$this->name = $name;
if($pwd != '')
$this->pwd = $pwd;
if($dBase != '')
$this->dBase = $dBase;
$this->init_conn();
}
//?????????
function init_conn(){
$this->conn=@mysql_connect($this->host??$this->name??$this->pwd);
@mysql_select_db($this->dBase??$this->conn);
mysql_query("set names gb2312");
}
//??????
function mysql_query_rst($sql){
if($this->conn == ''){
$this->init_conn();
}
$this->result = @mysql_query($sql??$this->conn);
}