增加文档内容调用标签

src/include/taglib/arccontent.lib.php

@@ -0,0 +1,69 @@
+<?php
+if(!defined('DEDEINC')) exit('Request Error!');
+
+/**
+ * 文档内容调用标签
+ *
+ * @version        $Id: arccontent.lib.php 2020年9月14日 tianya $
+ * @package        DedeCMS.Taglib
+ * @copyright      Copyright (c) 2020, DedeBIZ.COM.
+ * @license        http://help.dedecms.com/usersguide/license.html
+ * @link           http://www.dedecms.com
+ */
+
+require_once(DEDEINC."/channelunit.class.php");
+// 这是一个用来调用文档内容的标签，只是提供一种方法，不建议太多地方调用，毕竟比较损耗性能
+/*
+用法：
+{dede:arccontent type='pre|next'}
+[field:body/]
+{/dede:arccontent}
+*/
+function lib_arccontent( &$ctag, &$refObj )
+{
+    global $dsql;
+    $aid = $ctag->GetAtt('aid');
+    $type = $ctag->GetAtt('type');
+    $revalue = "";
+
+    if (in_array($type, array("pre", "next")) &&  get_class($refObj) === "Archives") {
+        // 在内容页面获取上一篇下一篇内容
+        $asql = "WHERE id<{$refObj->Fields['id']}";
+        if ($type === "next") {
+            $asql = "WHERE id>{$refObj->Fields['id']}";
+        }
+        $row =  $dsql->GetOne("SELECT id,channel FROM `#@__arctiny` $asql AND arcrank>-1 AND typeid='{$refObj->Fields['typeid']}' ORDER BY id DESC");
+        
+        $channel = new ChannelUnit($row['channel'], $refObj->Fields['id']);
+        $fields = $dsql->GetOne("SELECT * FROM `{$channel->ChannelInfos['addtable']}` WHERE aid = {$row['id']}");
+
+    }
+
+    if (!empty($aid)) {
+        // 指定ID获取内容
+        $row =  $dsql->GetOne("SELECT id,channel FROM `#@__arctiny` WHERE id={$aid} AND arcrank>-1");
+        $channel = new ChannelUnit($row['channel'], $aid);
+        $fields = $dsql->GetOne("SELECT * FROM `{$channel->ChannelInfos['addtable']}` WHERE aid = {$row['id']}");
+    }
+
+
+    $innerText = trim($ctag->GetInnerText());
+    $ctp = new DedeTagParse();
+    $ctp->SetNameSpace('field','[',']');
+    $ctp->LoadSource($innerText);
+
+    
+    if(is_array($ctp->CTags))
+    {
+        foreach($ctp->CTags as $tagid=>$ctag)
+        {
+            if(isset($fields[$ctag->GetName()])) {
+                $ctp->Assign($tagid,$fields[$ctag->GetName()]);
+            }
+        }
+        $revalue .= $ctp->GetResult();
+    }
+
+    return $revalue;
+
+}