PHP cn_substr函数代码示例

/**
 *  获取一个页面
 *
 * @access    public
 * @param     string  $gurl  操作地址
 * @return    string
 */
function CoOnePage($gurl)
{
    global $dsql, $cfg_auot_description, $cfg_soft_lang;
    $redatas = array('title' => '', 'body' => '', 'source' => '', 'writer' => '', 'description' => '', 'keywords' => '');
    $redatas['source'] = preg_replace("/http:\\/\\//i", "", $gurl);
    $redatas['source'] = preg_replace("/\\/(.*)\$/i", "", $redatas['source']);
    $row = $dsql->GetOne("SELECT * FROM `#@__co_onepage` WHERE url LIKE '" . $redatas['source'] . "' ");
    $s = $e = '';
    if (is_array($row)) {
        list($s, $e) = explode('{@body}', $row['rule']);
        $s = trim($s);
        $e = trim($e);
        if ($row['issource'] == 1) {
            $redatas['source'] = $row['title'];
        }
    }
    $htd = new DedeHttpDown();
    $htd->OpenUrl($gurl);
    $body = $htd->GetHtml();
    if ($body != '') {
        //编码自动转换
        if ($cfg_soft_lang == 'utf-8') {
            if ($row['lang'] == 'gb2312') {
                $body = gb2utf8($body);
            }
        } else {
            if ($cfg_soft_lang == 'gb2312') {
                if ($row['lang'] == 'utf-8') {
                    $body = utf82gb($body);
                }
            }
        }
        //获取标题
        $inarr = array();
        preg_match("/<title>(.*)<\\/title>/isU", $body, $inarr);
        if (isset($inarr[1])) {
            $redatas['title'] = $inarr[1];
        }
        //获取关键词
        $inarr = array();
        preg_match("/<meta[\\s]+name=['\"]keywords['\"] content=['\"](.*)['\"]/isU", $body, $inarr);
        if (isset($inarr[1])) {
            $redatas['keywords'] = cn_substr(html2text($inarr[1]), 30);
        }
        //获取摘要
        $inarr = array();
        preg_match("/<meta[\\s]+name=['\"]description['\"] content=['\"](.*)['\"]/isU", $body, $inarr);
        if (isset($inarr[1])) {
            $redatas['description'] = cn_substr(html2text($inarr[1]), $cfg_auot_description);
        }
        //获取内容
        if ($s != '' && $e != '') {
            $redatas['body'] = GetHtmlAreaA($s, $e, $body);
            if ($redatas['body'] != '' && $redatas['description'] == '') {
                $redatas['description'] = cn_substr(html2text($redatas['body']), $GLOBALS['cfg_auot_description']);
            }
        }
    }
    return $redatas;
}

/**
 * 调用最新评论
 *
 * @param int row 12
 * int infolen 10
 * @param int titlelen 100
 * @return unknown
 */
function lib_feedback(&$ctag, &$refObj)
{
    global $dsql;
    $attlist = "row|12,titlelen|24,infolen|100";
    FillAttsDefault($ctag->CAttribute->Items, $attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    $innertext = trim($ctag->GetInnerText());
    $totalrow = $row;
    $revalue = '';
    if (empty($innertext)) {
        $innertext = GetSysTemplets('tag_feedback.htm');
    }
    $wsql = " where ischeck=1 ";
    $equery = "SELECT * FROM `#@__feedback` {$wsql} ORDER BY id DESC LIMIT 0 , {$totalrow}";
    $ctp = new DedeTagParse();
    $ctp->SetNameSpace('field', '[', ']');
    $ctp->LoadSource($innertext);
    $dsql->Execute('fb', $equery);
    while ($arr = $dsql->GetArray('fb')) {
        $arr['title'] = cn_substr($arr['arctitle'], $titlelen);
        $arr['msg'] = jstrim($arr['msg'], $infolen);
        foreach ($ctp->CTags as $tagid => $ctag) {
            if (!empty($arr[$ctag->GetName()])) {
                $ctp->Assign($tagid, $arr[$ctag->GetName()]);
            }
        }
        $revalue .= $ctp->GetResult();
    }
    return $revalue;
}

/**
 *  获取文档
 *
 * @param     object  $dsql
 * @param     string  $ordertype  排序类型
 * @return    string
 */
function GetArchives($dsql, $ordertype)
{
    $starttime = time() - 24 * 3600 * 30;
    if ($ordertype == 'monthFeedback' || $ordertype == 'monthHot') {
        $swhere = " where senddate>{$starttime} ";
    } else {
        $swhere = "";
    }
    if (preg_match("#feedback#", $ordertype)) {
        $ordersql = " ORDER BY scores DESC ";
    } else {
        $ordersql = " ORDER BY click DESC ";
    }
    $query = "SELECT id,title,click,scores FROM #@__archives {$swhere} {$ordersql} LIMIT 0,20 ";
    $dsql->SetQuery($query);
    $dsql->Execute('ga');
    while ($row = $dsql->GetObject('ga')) {
        if (preg_match("#feedback#i", $ordertype)) {
            $moreinfo = "[<a target='_blank' href='" . $GLOBALS['cfg_phpurl'] . "/feedback.php?aid={$row->id}'><u>评论：{$row->scores}</u></a>]";
        } else {
            $moreinfo = "[点击：{$row->click}]";
        }
        echo "·<a href='archives_do.php?aid={$row->id}&dopost=viewArchives' target='_blank'>";
        echo cn_substr($row->title, 30) . "</a>{$moreinfo}<br/>\r\n";
    }
}

function JstrimJajxLog($str, $len)
{
    $str = cn_substr($str, $len);
    $str = str_replace(''', '"', $str);
    $str = str_replace('&lt;', '<', $str);
    $str = str_replace('&gt;', '>', $str);
    return $str;
}

function jsTrim($str, $len)
{
    $str = preg_replace("/{quote}(.*){\\/quote}/is", '', $str);
    $str = str_replace('<br/>', ' ', $str);
    $str = cn_substr($str, $len);
    $str = preg_replace("#['\"\r\n]#", "", $str);
    return $str;
}

function show_description_text($s, $len)
{
    $s = strip_tags($s);
    $s = preg_replace('/ /', ' ', $s);
    $s = preg_replace('/\\s{2,}/', '', $s);
    $s = cn_substr($s, 0, $len);
    return $s;
}

 public function indexAction()
 {
     $keyword = daddslashes($this->reqVar('keyword', ''));
     $startTime = daddslashes($this->reqVar('start_time', ''));
     $endTime = daddslashes($this->reqVar('end_time', ''));
     $page = (int) $this->reqVar('page', 1);
     $pageUrl = "/admin/operate/";
     if (!empty($keyword)) {
         $opertaeSet['operat'] = $keyword;
         $pageUrl .= "?keyword={$keyword}";
     }
     if (!empty($startTime)) {
         $opertaeSet['start_time'] = $startTime;
         $pageUrl .= !empty($keyword) ? "&" : "?";
         $pageUrl .= "&start_time={$startTime}";
     }
     if (!empty($endTime)) {
         $opertaeSet['end_time'] = $endTime;
         if (!empty($keyword) || !empty($startTime)) {
             $pageUrl .= "&end_time={$endTime}";
         } else {
             $pageUrl .= "?end_time={$endTime}";
         }
     }
     $operateList = $this->operateModel->getOpLogList($opertaeSet, $page, 20);
     if ($operateList) {
         foreach ($operateList as $key => $val) {
             $contentStr = '';
             $content = json_decode($val['content'], true);
             //                die();
             if (is_array($content)) {
                 foreach ($content as $ckey => $cval) {
                     $contentStr .= $ckey . "/" . $cval . ",";
                 }
                 $contentStr = trim($contentStr, ",");
                 $contentSub = cn_substr($contentStr, 20);
                 $operateList[$key]['content'] = $contentStr;
                 $operateList[$key]['content_sub'] = $contentSub;
             } else {
                 $operateList[$key]['content'] = $operateList[$key]['content_sub'] = $content;
             }
             //                $operateList[$key]['content_sub'] = $val['content'];
         }
     }
     $operateCount = $this->operateModel->getOpLogCount($opertaeSet);
     $operatePages = pages($operateCount, $page, 20, $pageUrl, array());
     $this->assign('keyword', $keyword);
     $this->assign('startTime', $startTime);
     $this->assign('endTime', $endTime);
     $this->assign('operateList', $operateList);
     $this->assign('operatePages', $operatePages);
     $this->assign("page", $page);
     $this->getViewer()->needLayout(false);
     $this->render('operate_list');
 }

function lib_flink(&$ctag, &$refObj)
{
    global $dsql;
    $attlist = "type|textall,row|24,titlelen|24,linktype|1,typeid|0";
    FillAttsDefault($ctag->CAttribute->Items, $attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    $totalrow = $row;
    $revalue = '';
    $wsql = " where ischeck >= '{$linktype}' ";
    if ($typeid == 0) {
        $wsql .= '';
    } else {
        $wsql .= "And typeid = '{$typeid}'";
    }
    if ($type == 'image') {
        $wsql .= " And logo<>'' ";
    } else {
        if ($type == 'text') {
            $wsql .= " And logo='' ";
        }
    }
    $equery = "Select * from #@__flink {$wsql} order by sortrank asc limit 0,{$totalrow}";
    if (trim($ctag->GetInnerText()) == '') {
        $innertext = "<li>[field:link /]</li>";
    } else {
        $innertext = $ctag->GetInnerText();
    }
    $dsql->SetQuery($equery);
    $dsql->Execute();
    while ($dbrow = $dsql->GetObject()) {
        if ($type == 'text' || $type == 'textall') {
            $link = "<a href='" . $dbrow->url . "' target='_blank'>" . cn_substr($dbrow->webname, $titlelen) . "</a> ";
        } else {
            if ($type == 'image') {
                $link = "<a href='" . $dbrow->url . "' target='_blank'><img src='" . $dbrow->logo . "' width='88' height='31' border='0'></a> ";
            } else {
                if ($dbrow->logo == '') {
                    $link = "<a href='" . $dbrow->url . "' target='_blank'>" . cn_substr($dbrow->webname, $titlelen) . "</a> ";
                } else {
                    $link = "<a href='" . $dbrow->url . "' target='_blank'><img src='" . $dbrow->logo . "' width='88' height='31' border='0'></a> ";
                }
            }
        }
        $rbtext = preg_replace("/\\[field:url([\\/\\s]{0,})\\]/isU", $row['url'], $innertext);
        $rbtext = preg_replace("/\\[field:webname([\\/\\s]{0,})\\]/isU", $row['webname'], $rbtext);
        $rbtext = preg_replace("/\\[field:logo([\\/\\s]{0,})\\]/isU", $row['logo'], $rbtext);
        $rbtext = preg_replace("/\\[field:link([\\/\\s]{0,})\\]/isU", $link, $rbtext);
        $revalue .= $rbtext;
    }
    return $revalue;
}

function plus_spacenewart(&$atts, &$refObj, &$fields)
{
    global $dsql, $_vars;
    $attlist = "channel=1,titlelen=30,infolen=200,row=8,imgwidth=120,imgheight=90";
    FillAtts($atts, $attlist);
    FillFields($atts, $fields, $refObj);
    extract($atts, EXTR_OVERWRITE);
    $query = "Select arc.*,mt.mtypename,tp.typedir,tp.typename,tp.isdefault,tp.defaultname,tp.namerule,\r\n\t\ttp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath\r\n\t\tfrom `#@__archives` arc\r\n\t\tleft join `#@__arctype` tp on arc.typeid=tp.id\r\n\t\tleft join `#@__mtypes` mt on mt.mtypeid=arc.mtype\r\n\t\twhere arc.mid='{$_vars['mid']}' and arc.channel={$channel}\r\n\t\torder by id desc limit 0,{$row}";
    $dsql->SetQuery($query);
    $dsql->Execute("al");
    $artlist = '';
    $rearr = array();
    while ($row = $dsql->GetArray("al")) {
        //处理一些特殊字段
        $row['infos'] = cn_substr($row['description'], $infolen);
        $row['id'] = $row['id'];
        $row['arcurl'] = GetFileUrl($row['id'], $row['typeid'], $row['senddate'], $row['title'], $row['ismake'], $row['arcrank'], $row['namerule'], $row['typedir'], $row['money'], $row['filename'], $row['moresite'], $row['siteurl'], $row['sitepath']);
        $row['typeurl'] = GetTypeUrl($row['typeid'], $row['typedir'], $row['isdefault'], $row['defaultname'], $row['ispart'], $row['namerule2'], $row['moresite'], $row['siteurl'], $row['sitepath']);
        if ($row['litpic'] == '') {
            $row['litpic'] = '/images/defaultpic.gif';
        }
        if (!eregi("^http://", $row['litpic'])) {
            $row['picname'] = $row['litpic'] = $GLOBALS['cfg_cmsurl'] . $row['litpic'];
        } else {
            $row['picname'] = $row['litpic'] = $row['litpic'];
        }
        $row['stime'] = GetDateMK($row['pubdate']);
        $row['typelink'] = "<a href='" . $row['typeurl'] . "'>" . $row['typename'] . "</a>";
        $row['image'] = "<img src='" . $row['picname'] . "' border='0' width='{$imgwidth}' height='{$imgheight}' alt='" . ereg_replace("['><]", "", $row['title']) . "'>";
        $row['imglink'] = "<a href='" . $row['filename'] . "'>" . $row['image'] . "</a>";
        $row['fulltitle'] = $row['title'];
        $row['title'] = cn_substr($row['title'], $titlelen);
        if ($row['color'] != '') {
            $row['title'] = "<font color='" . $row['color'] . "'>" . $row['title'] . "</font>";
        }
        if (ereg('b', $row['flag'])) {
            $row['title'] = "<strong>" . $row['title'] . "</strong>";
        }
        //$row['title'] = "<b>".$row['title']."</b>";
        $row['textlink'] = "<a href='" . $row['filename'] . "'>" . $row['title'] . "</a>";
        $row['plusurl'] = $row['phpurl'] = $GLOBALS['cfg_phpurl'];
        $row['memberurl'] = $GLOBALS['cfg_memberurl'];
        $row['templeturl'] = $GLOBALS['cfg_templeturl'];
        $rearr[] = $row;
    }
    //loop line
    $dsql->FreeResult("al");
    return $rearr;
}

function plus_ask(&$atts, &$refObj, &$fields)
{
    global $dsql, $_vars;
    $attlist = "titlelen=40,row=8,typeid=0,sort=";
    FillAtts($atts, $attlist);
    FillFields($atts, $fields, $refObj);
    extract($atts, EXTR_OVERWRITE);
    $wheresql = ' 1 ';
    if ($sort == '') {
        $orderby = 'order by id desc';
    } else {
        if ($sort == 'commend') {
            $wheresql .= ' And digest=1';
            $orderby = ' order by dateline desc';
        } else {
            if ($sort == 'ok') {
                $wheresql .= ' And status=1 ';
                $orderby = ' order by solvetime desc';
            } else {
                if ($sort == 'expiredtime') {
                    $wheresql .= ' And status=0 ';
                    $orderby = ' order by expiredtime asc, dateline desc';
                } else {
                    if ($sort == 'reward') {
                        $wheresql .= ' And status=0 ';
                        $orderby = ' order by reward desc';
                    } else {
                        $wheresql .= ' And status=0 ';
                        $orderby = ' order by disorder desc, dateline desc';
                    }
                }
            }
        }
    }
    $query = "select id, tid, tidname, tid2, tid2name, title from `#@__ask` where {$wheresql} {$orderby} limit {$row}";
    $dsql->SetQuery($query);
    $dsql->Execute('an');
    $rearr = array();
    while ($row = $dsql->GetArray('an')) {
        if ($row['tid2'] != 0) {
            $row['typelink'] = $row['typedata'] = " <a href='browser.php?tid2={$row['tid2']}'>{$row['tid2name']}</a>\r\n";
        } else {
            $row['typelink'] = $row['typedata'] = " <a href='browser.php?tid={$row['tid']}'>{$row['tidname']}</a>\r\n";
        }
        $row['title'] = cn_substr($row['title'], $titlelen);
        $rearr[] = $row;
    }
    return $rearr;
}

function IsCommendArchives($iscommend)
{
    global $arcatts;
    $sn = '';
    foreach ($arcatts as $k => $v) {
        $v = cn_substr($v, 2);
        $sn .= preg_match("#" . $k . "#", $iscommend) ? ' ' . $v : '';
    }
    $sn = trim($sn);
    if ($sn == '') {
        return '';
    } else {
        return "[<font color='red'>{$sn}</font>]";
    }
}

function lib_groupthread(&$ctag, &$refObj)
{
    global $dsql, $envs, $cfg_dbprefix, $cfg_cmsurl;
    //属性处理
    $attlist = "gid|0,orderby|dateline,orderway|desc,row|12,titlelen|30";
    FillAttsDefault($ctag->CAttribute->Items, $attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    if (!$dsql->IsTable("{$cfg_dbprefix}groups")) {
        return '没安装圈子模块';
    }
    if (!preg_match("#\\/\$#", $cfg_cmsurl)) {
        $cfg_group_url = $cfg_cmsurl . "/group";
    } else {
        $cfg_group_url = $cfg_cmsurl . "group";
    }
    $innertext = $ctag->GetInnerText();
    if (trim($innertext) == '') {
        $innertext = GetSysTemplets('groupthreads.htm');
    }
    $WhereSql = " WHERE t.closed=0 ";
    $orderby = 't.' . $orderby;
    if ($gid > 0) {
        $WhereSql .= " AND t.gid='{$gid}' ";
    }
    $query = "SELECT t.subject,t.gid,t.tid,t.lastpost,g.groupname FROM `#@__group_threads` t \r\n             LEFT JOIN `#@__groups` g ON g.groupid=t.gid\r\n             {$WhereSql} ORDER BY {$orderby} {$orderway} LIMIT 0,{$row}";
    $dsql->SetQuery($query);
    $dsql->Execute();
    $ctp = new DedeTagParse();
    $ctp->SetNameSpace('field', '[', ']');
    if (!isset($list)) {
        $list = '';
    }
    while ($rs = $dsql->GetArray()) {
        $ctp->LoadSource($innertext);
        $rs['subject'] = cn_substr($rs['subject'], $titlelen);
        $rs['url'] = $cfg_group_url . "/viewthread.php?id={$rs['gid']}&tid={$rs['tid']}";
        $rs['groupurl'] = $cfg_group_url . "/group.php?id={$rs['gid']}";
        foreach ($ctp->CTags as $tagid => $ctag) {
            if (!empty($rs[strtolower($ctag->GetName())])) {
                $ctp->Assign($tagid, $rs[$ctag->GetName()]);
            }
        }
        $list .= $ctp->GetResult();
    }
    return $list;
}

 function GetOneArchive($aid)
 {
     global $dsql;
     include_once DEDEINC . "/channelunit.func.php";
     $aid = trim(preg_replace('/[^0-9]/', '', $aid));
     $reArr = array();
     $chRow = $dsql->GetOne("SELECT arc.*,ch.maintable,ch.addtable,ch.issystem FROM `#@__arctiny` arc LEFT JOIN `#@__channeltype` ch ON ch.id=arc.channel WHERE arc.id='{$aid}' ");
     if (!is_array($chRow)) {
         return $reArr;
     } else {
         if (empty($chRow['maintable'])) {
             $chRow['maintable'] = '#@__archives';
         }
     }
     if ($chRow['issystem'] != -1) {
         $nquery = " SELECT arc.*,tp.typedir,tp.topid,tp.namerule,tp.moresite,tp.siteurl,tp.sitepath\n                        FROM `{$chRow['maintable']}` arc LEFT JOIN `#@__arctype` tp ON tp.id=arc.typeid\n                        WHERE arc.id='{$aid}' ";
     } else {
         $nquery = " SELECT arc.*,1 AS ismake,0 AS money,'' AS filename,tp.typedir,tp.topid,tp.namerule,tp.moresite,tp.siteurl,tp.sitepath\n                        FROM `{$chRow['addtable']}` arc LEFT JOIN `#@__arctype` tp ON tp.id=arc.typeid\n                        WHERE arc.aid='{$aid}' ";
     }
     $arcRow = $dsql->GetOne($nquery);
     if (!is_array($arcRow)) {
         return $reArr;
     }
     if (!isset($arcRow['description'])) {
         $arcRow['description'] = '';
     }
     if (empty($arcRow['description']) && isset($arcRow['body'])) {
         $arcRow['description'] = cn_substr(html2text($arcRow['body']), 250);
     }
     if (!isset($arcRow['pubdate'])) {
         $arcRow['pubdate'] = $arcRow['senddate'];
     }
     if (!isset($arcRow['notpost'])) {
         $arcRow['notpost'] = 0;
     }
     $reArr = $arcRow;
     $reArr['aid'] = $aid;
     $reArr['topid'] = $arcRow['topid'];
     $reArr['arctitle'] = $arcRow['title'];
     $reArr['arcurl'] = GetFileUrl($aid, $arcRow['typeid'], $arcRow['senddate'], $reArr['title'], $arcRow['ismake'], $arcRow['arcrank'], $arcRow['namerule'], $arcRow['typedir'], $arcRow['money'], $arcRow['filename'], $arcRow['moresite'], $arcRow['siteurl'], $arcRow['sitepath']);
     return $reArr;
 }

function getList($list, $keyword)
{
    global $cfg_cmsurl;
    $key = urlencode($keyword);
    $str = "<h3>您可能感兴趣的内容<span><a href=\"{$cfg_cmsurl}/cloudsearch_{$key}_0_1.html\" target=\"_blank\">+更多&raquo;</a></span></h3>";
    $out = '';
    for ($i = 0; isset($list[$i]); $i++) {
        $row = $list[$i];
        $channelname = getChannelName($row['tablename']);
        $title = setColor($keyword, cn_substr($row['title'], 36));
        $litpic = getLitpic($row['imgurl'], $row['webid'], $row);
        $url = getUrl($row['aid'], $row['webid'], $row['tablename'], $row['tag']);
        if (!empty($row['title'])) {
            $out .= "<li><span class=\"fl\">[{$channelname}]</span><a href=\"{$url}\" target=\"_blank\" title=\"{$row['title']}\">{$title}</a></li>";
        }
    }
    if (!empty($out)) {
        $out = $str . "<ul>" . $out . "</ul>";
    }
    return $out;
}

function lib_group(&$ctag, &$refObj)
{
    global $dsql, $envs, $cfg_dbprefix, $cfg_cmsurl;
    //属性处理
    $attlist = "row|6,orderby|threads,titlelen|30";
    FillAttsDefault($ctag->CAttribute->Items, $attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    if (!$dsql->IsTable("{$cfg_dbprefix}groups")) {
        return '没安装圈子模块';
    }
    if (!preg("#\\/\$#", $cfg_cmsurl)) {
        $cfg_group_url = $cfg_cmsurl . '/group';
    } else {
        $cfg_group_url = $cfg_cmsurl . 'group';
    }
    $innertext = $ctag->GetInnerText();
    if (trim($innertext) == '') {
        $innertext = GetSysTemplets("groups.htm");
    }
    $list = '';
    $dsql->SetQuery("SELECT groupimg,groupid,groupname FROM `#@__groups` WHERE ishidden=0 ORDER BY {$orderby} DESC LIMIT 0,{$row}");
    $dsql->Execute();
    $ctp = new DedeTagParse();
    $ctp->SetNameSpace('field', '[', ']');
    while ($rs = $dsql->GetArray()) {
        $ctp->LoadSource($innertext);
        $rs['groupname'] = cn_substr($rs['groupname'], $titlelen);
        $rs['url'] = $cfg_group_url . "/group.php?id={$rs['groupid']}";
        $rs['icon'] = $rs['groupimg'];
        foreach ($ctp->CTags as $tagid => $ctag) {
            if (!empty($rs[strtolower($ctag->GetName())])) {
                $ctp->Assign($tagid, $rs[$ctag->GetName()]);
            }
        }
        $list .= $ctp->GetResult();
    }
    return $list;
}