错误
_conn = $conn;
        $this->_debug = whxbb_debug_flag;
    }
/**
     * 处理字符串
     * @param $str 要处理的字符串
     * @param $act in 将'替换成\’out 把\’替换成'
  * @access public
     */
    function operatestring(&$str, $act)
    {
        if($act == 'in')
            $str = str_replace(', \\’, $str);
        if($act == 'out')
            $str = str_replace(\\’, ', $str);
    }
    /**
     * 判断一个变量是否为错误对象
     *
     * @param   $data   要判断的变量
     * @access  public
     * @return  bool    是 true 不是　false
     */
    function iserror($data) {
        return (bool)(is_object($data) &&
                      (get_class($data) == whxbb_error ||
                       is_subclass_of($data, whxbb_error)));
    }
    /**
     * 判断一个变量是否为分页对象
     *
     * @param   $data   the value to test
     * @access  public
     * @return  bool    true if $data is an pager
     */
    function ispager($data) {
        return (bool)(is_object($data) &&
                      (get_class($data) == pager ||
                       is_subclass_of($data, pager)));
    }
}
/**
* 调试类
*
* purpose
*
*　程序调试用
*
* @author  : wxhbb(whxbb@21cn.com)
* @version : 0.1
* @date    :  2001/8/4
*/
class whxbb_debug extends whxbb
{
    function whxbb_debug($msg)
    {
        $this->whxbb();
        if($this->_debug == 1)
        {
            echo \n
whxbb debug >>> $msg
\n;
        }    
    }
}
/**
* purpose
* 错误处理(触发错误，显示错误)
*
* @author  : whxbb(whxbb@21cn.com)
* @version : 0.1
* @date    :  2001/8/4
*/
class whxbb_error extends whxbb
{
    /**
     * 错误信息
     * @access protected
     */
    var $_errno;
    /**
     * 错误代码
     * @access protected
     */
    var $_errmsg;
    /** 报错方式 参见出错代码的预定义 */
    var $_reportmethod;
/**
     * 构造一个错误对象
     * @param $errmsg   错误信息, 错误的字符描述
     * @param $errno    错误代码, 错误的代码
     * @param $reportmethod 报错方式,参见出错代码的预定义
     * @param $param1 参数一，如跳转到指定页面时页面的url
     * @param $param2 参数二 保留
     * @access public
     */
    function whxbb_error($errmsg, $errno, $reportmethod = whxbb_error_ignore, $param1 = '', $param2 = '')
    {
        $this->whxbb();
        $this->_errmsg = $errmsg;
        $this->_errno = $errno;
        $this->_reportmethod = $reportmethod;
        switch($reportmethod)
        {
            case whxbb_error_ignore:
                break;
            case whxbb_error_echo:
                echo $errmsg;
                break;
            case whxbb_error_alert:
                js::alert($errmsg);
                break;
            case whxbb_error_die:
                $this->close();
                exit;
                break;
            case whxbb_error_die + whxbb_error_alert:
                js::alert($errmsg);
                $this->close();
                exit;
                break;
            case whxbb_error_die + whxbb_error_echo:
                echo $errmsg;
                $this->close();
                exit;
                break;
            case whxbb_error_alert + whxbb_error_return:
                js::alert($errmsg);
                js::back();
                break;
            case whxbb_error_return:
                js::back();
                break;
            case whxbb_error_goto:
                js::goto($param1);
                break;
            case whxbb_error_goto + whxbb_error_alert:
                js::alert($errmsg);
                js::goto($param1);
                break;
        }
        new whxbb_debug($errno.:.$errmsg);
    }
    /**
     * 得到错误对象的错误信息
     */
    function getmsg()
    {
        return $this->_errmsg;
    }
    /**
     * 得到错误对象的错误代买
     */
    function getno()
    {
        return $this->_errno;
    }
}
?>