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  • dede 调用四级导航

    一、修改文件：include aglib目录下的channel.lib.php，请将以下代码全部复制替换上述文件

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    <?php
    function lib_channel(&$ctag,&$refObj)
    {
        global $_sys_globals,$envs,$dsql;
        $attlist = "typeid|0,reid|0,row|100,col|1,type|son,currentstyle|";
        FillAttsDefault($ctag->CAttribute->Items,$attlist);
        extract($ctag->CAttribute->Items, EXTR_SKIP);
        $innertext = $ctag->GetInnerText();
            $cacheid = trim($cacheid);
        if($cacheid !='') {
            $likeType = GetCacheBlock($cacheid);
            if($likeType != '') return $likeType;
        }
     
        $reid = 0;
        $topid = 0;
        if(empty($typeid) && $envs['typeid']!=0)
        {
            $typeid = $envs['typeid'];
            $reid = $envs['reid'];
        }else{
            $reid=0;
        }
        if($type==''||$type=='sun') $type="son";
        if($innertext=='') $innertext = GetSysTemplets("channel_list.htm");
        if($reid==0 && $typeid>0)
        {
            $dbrow = $dsql->GetOne("Select reid From dede_arctype where id='$typeid' ");
            if(<a href="https://www.baidu.com/s?wd=is_array&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">is_array</a>($dbrow)) $reid = $dbrow['reid'];
        }
        $likeType = '';
        if($type=='top')
        {
            $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
              From dede_arctype where reid=0 And ishidden<>1 order by sortrank asc limit 0,$row";
        }
        else if($type=="son")
        {
            //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];
            if($typeid==0) {
                return '';
            }
            $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
              From dede_arctype where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row";
        }
        else if($type=="self")
        {
            if($reid==0) {
                return '';
            }
            $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
                From `dede_arctype` where reid='$reid' And ishidden<>1 order by sortrank asc limit 0,$row";
        }
        //And id<>'$typeid'
        $needRel = false;
        $dtp2 = new DedeTagParse();
        $dtp2->SetNameSpace("field","[","]");
        $dtp2->LoadSource($innertext);
        $dsql2 = clone $dsql;
        $dsql->SetQuery($sql);
        $dsql->Execute();
        $line = $row;
            //检查是否有子栏目，并返回rel提示（用于二级菜单）
        if(ereg(':rel', $innertext)) $needRel = true;
        
        if(empty($sql)) return '';
        $dsql->SetQuery($sql);
        $dsql->Execute();
        
        $totalRow = $dsql->GetTotalRow();
        $GLOBALS['autoindex'] = 0;
        for($i=0;$i < $line;$i++)
        {
            if($col>1) $likeType .= "<dl> ";
            for($j=0;$j<$col;$j++)
            {
                if($col>1) $likeType .= "<dd> ";
                if($row=$dsql->GetArray())
                {
                                $row['sonids'] = $row['rel'] = '';
                    if($needRel)
                    {
                        $row['sonids'] = GetSonIds($row['id'], 0, false);
                        if($row['sonids']=='') $row['rel'] = '';
                        else $row['rel'] = " rel='dropmenu{$row['id']}'";
                    }
                    //处理同级栏目中，当前栏目的样式
                    if( ($row['id']==$typeid || ($topid==$row['id'] && $type=='top') ) && $currentstyle!='' )
                    {
                        if($currentstyle!='')
                        {
                        $linkOkstr = $currentstyle;
                        $row['typelink'] = GetOneTypeUrlA($row);
                        $linkOkstr = <a href="https://www.baidu.com/s?wd=str_replace&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">str_replace</a>("~rel~",$row['rel'],$linkOkstr);
                        $linkOkstr = <a href="https://www.baidu.com/s?wd=str_replace&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">str_replace</a>("~id~",$row['id'],$linkOkstr);
                        $linkOkstr = <a href="https://www.baidu.com/s?wd=str_replace&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">str_replace</a>("~typelink~",$row['typelink'],$linkOkstr);
                        $linkOkstr = str_replace("~typename~",$row['typename'],$linkOkstr);
                        $likeType .= $linkOkstr;
                        }
                    }else
                    {
                        $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row);
                        if(<a href="https://www.baidu.com/s?wd=is_array&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">is_array</a>($dtp2->CTags))
                        {
                            foreach($dtp2->CTags as $tagid=>$ctag){
                                if(isset($row[$ctag->GetName()]))
                                {
                                    $dtp2->Assign($tagid,$row[$ctag->GetName()]);
                                }
                                elseif (<a href="https://www.baidu.com/s?wd=preg_match&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">preg_match</a>('/^sonchannel[0-9]*$/',$ctag->GetName()))
                                {
                                    $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql2));
                                }
                            }
                        }
                        $likeType .= $dtp2->GetResult();
                    }
                }
                if($col>1) $likeType .= "</dd> ";
                $GLOBALS['autoindex']++;
            }//Loop Col
            if($col>1)
            {
                $i += $col - 1;
                $likeType .= "    </dl> ";
            }
        }//Loop for $i
        reset($dsql2);
        $dsql->FreeResult();
        return $likeType;
    }
    function lib_channel_son($ctag,$typeid = 0,$dsql2)
    {
        $attlist = "row|100,col|1,currentstyle|";
        FillAttsDefault($ctag->CAttribute->Items,$attlist);
        extract($ctag->CAttribute->Items, EXTR_SKIP);
        $innertext = $ctag->GetInnerText();
        $dsql3 = clone $dsql2;
        $likeType = '';
        //if($_sys_globals['typeid']>0) $typeid = $_sys_globals['typeid'];
        if($typeid==0) {
            return '';
        }
        $sql = "Select id,typename,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description
              From dede_arctype where reid='$typeid' And ishidden<>1 order by sortrank asc limit 0,$row";
        //And id<>'$typeid'
        $dtp2 = new DedeTagParse();
        $dtp2->SetNameSpace("field","[","]");
        $dtp2->LoadSource($innertext);
        $dsql2->SetQuery($sql);
        $dsql2->Execute();
        $line = $row;
        for($i=0;$i < $line;$i++)
        {
            if($col>1) $likeType .= "<dl> ";
            for($j=0;$j<$col;$j++)
            {
                if($col>1) $likeType .= "<dd> ";
                if($row=$dsql2->GetArray())
                {
                    $row['typelink'] = $row['typeurl'] = GetOneTypeUrlA($row);
                    if(<a href="https://www.baidu.com/s?wd=is_array&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">is_array</a>($dtp2->CTags))
                    {
                        foreach($dtp2->CTags as $tagid=>$ctag){
                            if(isset($row[$ctag->GetName()]))
                            {
                                $dtp2->Assign($tagid,$row[$ctag->GetName()]);
                            }
                            elseif (<a href="https://www.baidu.com/s?wd=preg_match&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1YLmHDkmWDsnju-nHb1rHTd0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4P1nzrH63nWDzrHDzPjcL" target="_blank" class="baidu-highlight">preg_match</a>('/^sonchannel[0-9]*$/',$ctag->GetName()))
                            {
                                $dtp2->Assign($tagid,lib_channel_son($ctag,$row['id'],$dsql3));
                            }
                        }
                    }
                    $likeType .= $dtp2->GetResult();
                }
                if($col>1) $likeType .= "</dd> ";
            }//Loop Col
            if($col>1)
            {
                $i += $col - 1;
                $likeType .= "    </dl> ";
            }
        }//Loop for $i
        reset($dsql3);
        $dsql2->FreeResult();
        return $likeType;
    }
    ?>

    在模板调用实例：

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    {dede:channel type='son' typeid='3'}
                  [field:typename/]
                        <ul>
                        [field:sonchannel0]
                        <li><a href="[field:typelink/]">[field:typename/]</a></li>
                             [field:sonchannel1]
                            <li><a href="[field:typelink/]">---[field:typename/]</a></li>
                                 [field:sonchannel2]
                                <li><a href="[field:typelink/]">===[field:typename/]</a></li>
                                    [field:sonchannel3]
                                    <li><a href="[field:typelink/]">===[field:typename/]</a></li>
                                     [/field:sonchannel3]
                                 [/field:sonchannel2]
                             [/field:sonchannel1]
                        [/field:sonchannel0]
                        </ul>
     
     {/dede:channel}
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  • 原文地址：https://www.cnblogs.com/275147378abc/p/5062932.html
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