±È½Ï²»´íµÄmysql²Ù×÷Àà

<?php
/*
 * by:lenush
 * qicq:707207845
 * email:lenus-h@163.com
 * site:www.hackthiswebsite.cn
 * that's all
 *
 */ 
class mysql{
 
 private $db_host;  //Êý¾Ý¿âÖ÷»ú
 private $db_user;  //Êý¾Ý¿âÓû§Ãû
 private $db_pwd;   //Êý¾Ý¿âÓû§ÃûÃÜÂë
 private $db_database;    //Êý¾Ý¿âÃû
 private $conn;           //Êý¾Ý¿âÁ¬½Ó±êʶ;
 private $result;         //Ö´ÐÐqueryÃüÁîµÄ½á¹û×ÊÔ´±êʶ
 private $sql;   //sqlÖ´ÐÐÓï¾ä
 private $row;     //·µ»ØµÄÌõÄ¿Êý
 private $coding;  //Êý¾Ý¿â±àÂ룬GBK,UTF8,gb2312
 private $bulletin = true;    //ÊÇ·ñ¿ªÆô´íÎó¼Ç¼
 private $show_error = true;  //²âÊԽ׶Σ¬ÏÔʾËùÓдíÎó,¾ßÓа²È«Òþ»¼,ĬÈϹرÕ
 private $is_error = false;   //·¢ÏÖ´íÎóÊÇ·ñÁ¢¼´ÖÕÖ¹,ĬÈÏtrue,½¨Òé²»ÆôÓã¬ÒòΪµ±ÓÐÎÊÌâʱÓû§Ê²Ã´Ò²¿´²»µ½ÊǺܿàÄÕµÄ
  
 /*¹¹Ô캯Êý*/
 public function __construct($db_host,$db_user,$db_pwd,$db_database,$conn,$coding){
      $this->db_host=$db_host;
      $this->db_user=$db_user;
      $this->db_pwd = $db_pwd;
      $this->db_database=$db_database;
      $this->conn=$conn;
      $this->coding=$coding;
      $this->connect();
    }
 /*Êý¾Ý¿âÁ¬½Ó*/                
 public function connect()
 {
  if($this->conn=="pconn"){
   //ÓÀ¾ÃÁ´½Ó
      $this->conn=mysql_pconnect($this->db_host,$this->db_user,$this->db_pwd);
  }else{
  &