include/channelunit.class.php

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<?php   if(!defined('DEDEINC')) exit("Request Error!");
/**
 * 频道模型单元类
 * @version        $Id: channelunit.class.php 2 17:32 2010年7月6日Z tianya $
 * @package        DedeCMS.Libraries
 * @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.
 * @license        http://help.dedecms.com/usersguide/license.html
 * @link           http://www.dedecms.com
 */
require_once(DEDEINC."/dedetag.class.php");
require_once(DEDEINC."/channelunit.func.php");

/*----------------------------------
function C____ChannelUnit();
-----------------------------------*/
class ChannelUnit
{
    var $ChannelInfos;
    var $ChannelFields;
    var $AllFieldNames;
    var $ChannelID;
    var $ArcID;
    var $dsql;
    var $SplitPageField;

    //php5构造函数
    function __construct($cid,$aid=0)
    {
        $this->ChannelInfos = '';
        $this->ChannelFields = '';
        $this->AllFieldNames = '';
        $this->SplitPageField = '';
        $this->ChannelID = $cid;
        $this->ArcID = $aid;
        $this->dsql = $GLOBALS['dsql'];
        $sql = " SELECT * FROM `#@__channeltype` WHERE id='$cid' ";
        $this->ChannelInfos = $this->dsql->GetOne($sql);
        if(!is_array($this->ChannelInfos))
        {
            echo '读取频道信息失败，无法进行后续操作！';
            exit();
        }
        $dtp = new DedeTagParse();
        $dtp->SetNameSpace('field','<','>');
        $dtp->LoadSource($this->ChannelInfos['fieldset']);
        if(is_array($dtp->CTags))
        {
            $tnames = Array();
            foreach($dtp->CTags as $ctag)
            {
                $tname = $ctag->GetName();
                if(isset($tnames[$tname]))
                {
                    break;
                }
                $tnames[$tname] = 1;
                if($this->AllFieldNames!='')
                {
                    $this->AllFieldNames .= ','.$tname;
                }