PHP;"> //成员方法
public function Query($sql,$type=1)
{
$db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname);
$r = $db->query($sql);

if($type==1)
{
  return $r->fetch_all();
}
else
{
  return $r;
}

}

//返回字符串的方法
public function StrQuery($sql,$this->dbname);
$r = $db->query($sql);

if($type==1)
{
  $attr = $r->fetch_all();
  $str = "";
  foreach($attr as $v)
  {
    $str .= implode("^",$v)."|";
  }

  return substr($str,strlen($str)-1);

}
else
{
  return $r;
}

}

//返回JSON
function JSONQuery($sql,$this->dbname);
$r = $db->query($sql);

if($type==1)
{
  return json_encode($r->fetch_all(<a href="https://www.f2er.com/tag/MysqL/" target="_blank" class="keywords">MysqL</a>I_ASSOC));
}
else
{
  return $r;
}

}
}