php+mysql面向对象增删改查,该如何解决

//   Mysql_class.php
class Mysql{
    private $localhost;
    private $root;
    private $password;
	public  $database;
 
    public function __construct($localhost,$root,$password,$database){			//让下面的方式中，若要用到$localhost 变量
		$this->localhost = $localhost;											//就用$this->localhost 代替。 
		$this->root 	 = $root;
		$this->password  = $password;
		$this->database  = $database;
    }
	
	public function Connect(){
		mysql_connect	($this->localhost,$this-root,$this->password);
		mysql_select_db ($this->database);
		mysql_query 	("set names utf8");
	}
	
	public function Close(){
		mysql_close();
	}
	
	
	public function myarray($result){					//形参
		return mysql_fetch_array($result);
	}
	
	public function myquery($sql){
		return @mysql_query($sql);
	}
	
	public function myrows($result){
		return mysql_num_rows($result);
	}
	
	
	public function myselect($users){
		return $this->myquery("select * from $users");
	}
}


$db = new Mysql("localhost","root","","stu_system");

    include_once "mysql_class.php";

    $result = $db->myselect("users");

	if(is_array($result)){
	while($row=$db->myarray($result)){
?>	







	
		
id
		
name
		
sex
		
phone
	
		
		
 
		
		
 
		
		

			&
									name = &
									sex  = &
									phone= ">  修改         
			">	  删除
		
	


	}
	}
	else echo"no result";
	mysql_close();
?>

class Mysql{
    private $localhost;
    private $root;
    private $password;
    public  $database;
    private $link;
    private $res;
  
    public function __construct($localhost,$root,$password,$database){            //让下面的方式中，若要用到$localhost 变量
        $this->localhost = $localhost;                                            //就用$this->localhost 代替。 
        $this->root      = $root;
        $this->password  = $password;
        $this->database  = $database;        
    }
     
    public function Connect(){
        $this->link = mysql_connect($this->localhost, $this->root, $this->password);
        mysql_select_db ($this->database, $this->link );
        mysql_query     ("set names utf8");
    }
     
    public function Close(){
        mysql_close();
    }
     
     
    public function myarray($result){                    //形参
        return mysql_fetch_array($result);
    }
     
    public function myquery($sql){
        $this->res = mysql_query($sql) or die (mysql_error());
        return $this->res;
    }
     
    public function myrows($result){
        return mysql_num_rows($result);
    }
     
     
    public function myselect($users){
        return $this->myquery("select * from $users");
    }
}
 
$db?=?new?Mysql("localhost","root","","stu_system");
$db->Connect();










    include_once "mysql_class.php";
    $result = $db->myselect("users");
    while($row=$db->myarray($result)){
?>   







    
        
id
        
name
        
sex
        
phone
    
    
        
 
        
        
 
        
        

            &
                                    name = &
                                    sex  = &
                                    phone= ">  修改         
            ">      删除
        
    


    }
    mysql_close();