官方的dede:likearticle并没有那么精准的输出相关文章，下面我们自定义一个类库文件来实现精准获取相关文章
单用tag来调用相关文章，也可用tag+keyword来调用相关文章(默认tag优先于keyword，可以自己排序)非常适合seo
在 /include/taglib/ 下添加一个liketags.lib.php 代码如下
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 <?phpif(!defined('DEDEINC')) exit('Request Error!');function lib_liketags(&$ctag,&$refObj){ global $dsql; //属性处理 $attlist="row|12,titlelen|30,infolen|250,col|1,tablewidth|100,mytypeid|0,byabs|0,imgwidth|120,imgheight|90,flag|"; FillAttsDefault($ctag->CAttribute->Items,$attlist); extract($ctag->CAttribute->Items, EXTR_SKIP); $revalue = ''; if(empty($tablewidth)) $tablewidth = 100; if(empty($col)) $col = 1; $colWidth = ceil(100/$col); $tablewidth = $tablewidth."%"; $colWidth = $colWidth."%"; $orwheres = ''; if($flag != '') { $flags = explode(',', $flag); for($i=0; isset($flags[$i]); $i++) $orwheres .= " AND FIND_IN_SET('{$flags[$i]}', arc.flag)>0 "; } $ids = array(); $tids = array(); if(!empty($refObj->Fields['tags'])) { $keyword = $refObj->Fields['tags']; } else { $keyword = ( !empty($refObj->Fields['keywords']) ? $refObj->Fields['keywords'] : '' ); } $typeid = ( !empty($mytypeid) ? $mytypeid : 0 ); if(empty($typeid)) { if(!empty($refObj->Typelink->TypeInfos['reid'])) { $typeid = $refObj->Typelink->TypeInfos['reid']; } else { if(!empty($refObj->Fields['typeid'])) $typeid = $refObj->Fields['typeid']; } } if( !empty($typeid) && !preg_match('#,#', $typeid) ) { $typeid = GetSonIds($typeid); } if(!empty($refObj->Fields['tags']) && $eregtype != 'keyword' ) { $tags = explode(',', addslashes($refObj->Fields['tags'])); $getsql = " tag like '".join("' OR tag like '", $tags)."' "; $dsql->Execute('me', "Select * From `dede_tagindex` where $getsql "); while($arow = $dsql->GetArray('me')) { $tids[] = $arow['id']; } $tid = join(',', $tids); if($tid!='') { $dsql->Execute("me", "Select aid From `dede_taglist` where tid in($tid) And arcrank > -1 group by aid order by aid desc"); while($arow = $dsql->GetArray("me")) { $ids[] = $arow['aid']; $arcid = $refObj->Fields['aid']; } } } if($eregtype == 'tag' && count($ids) == 0 ) { return; } else { if(count($ids) > 0) { if(!empty($typeid)) { $typeid = " And arc.typeid in($typeid) And arc.id<>$arcid "; } $idsStr = join(',', $ids); $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id where arc.id in($idsStr) $typeid order by arc.id desc limit 0, $row"; } else { $limitRow = $row - count($ids); $keyword = ''; if(!empty($refObj->Fields['keywords'])) { $keywords = explode(',' , trim($refObj->Fields['keywords'])); $keyword = ''; $n = 1; foreach($keywords as $k) { if($n > 3) break; if(trim($k)=='') continue; else $k = addslashes($k); $keyword .= ($keyword=='' ? " CONCAT(arc.keywords,' ',arc.title) like '%$k%' " : " OR CONCAT(arc.keywords,' ',arc.title) like '%$k%' "); $n++; } } $arcid = (!empty($refObj->Fields['id']) ? $refObj->Fields['aid'] : 0); if( empty($arcid) || $byabs==0 ) { $orderquery = " order by arc.id desc "; } else { $orderquery = " order by ABS(arc.id - ".$arcid.") "; } if($keyword != '') { if(!empty($typeid)) { $typeid = " And arc.typeid in($typeid) And arc.id<>$arcid "; } $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id where arc.arcrank>-1 and ($keyword) $typeid $orderquery limit 0, $row"; } else { if(!empty($typeid)) { $typeid = " arc.typeid in($typeid) And arc.id<>$arcid "; } $query = "Select arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule, tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath from `dede_archives` arc left join `dede_arctype` tp on arc.typeid=tp.id where arc.arcrank>-1 and $typeid $orderquery limit 0, $row"; } } } $innertext = trim( $ctag->GetInnerText() ); if($innertext=='') $innertext = GetSysTemplets('part_arclist.htm'); $dsql->SetQuery($query); $dsql->Execute('al'); $artlist = ''; if($col > 1){ $artlist = "<table width='$tablewidth' border='0' cellspacing='0' cellpadding='0'>/r/n"; } $dtp2 = new DedeTagParse(); $dtp2->SetNameSpace('field', '[', ']'); $dtp2->LoadString($innertext); $GLOBALS['autoindex'] = 0; $line = $row; for($i=0; $i < $line; $i++) { if($col>1) $artlist .= "<tr>/r/n"; for($j=0; $j < $col; $j++) { if($col>1) $artlist .= " <td width='$colWidth'>/r/n"; if($row = $dsql->GetArray("al")) { $ids[] = $row['id']; //处理一些特殊字段 www.dede58.com织梦模板 $row['info'] = $row['infos'] = cn_substr($row['description'],$infolen); $row['id'] = $row['id']; if($row['corank'] > 0 && $row['arcrank']==0) { $row['arcrank'] = $row['corank']; } $row['filename'] = $row['arcurl'] = GetFileUrl($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'] == '') { $row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif'; } if(!preg_match("#^http:////#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') { $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic']; } $row['picname'] = $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='".preg_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(preg_match('#b#', $row['flag'])) $row['title'] = "<strong>".$row['title']."</strong>"; $row['textlink'] = "<a href='".$row['filename']."'>".$row['title']."</a>"; $row['plusurl'] = $row['phpurl'] = $GLOBALS['cfg_phpurl']; $row['memberurl'] = $GLOBALS['cfg_memberurl']; $row['templeturl'] = $GLOBALS['cfg_templeturl']; if(is_array($dtp2->CTags)) { foreach($dtp2->CTags as $k=>$ctag) { if($ctag->GetName()=='array') { $dtp2->Assign($k,$row); } else { if(isset($row[$ctag->GetName()])) $dtp2->Assign($k,$row[$ctag->GetName()]); else $dtp2->Assign($k,''); } } $GLOBALS['autoindex']++; } $artlist .= $dtp2->GetResult()."/r/n"; } //if hasRow else { $artlist .= ''; } if($col>1) $artlist .= " </td>/r/n"; } //Loop Col if($col>1) $i += $col - 1; if($col>1) $artlist .= " </tr>/r/n"; } //loop line if($col>1) $artlist .= " </table>/r/n"; $dsql->FreeResult("al"); return $artlist;}
前台模板调用
1 2 3 4 5 6 7 8 9 10 11 12 13 {dede:liketags row='3' mytypeid='6' eregtype='all|tag|keyword' titlelen='250' infolen='250'} <li> <a href="[field:arcurl/]" title="[field:title/]" target="_blank"> <div> <img src="[field:litpic/]" alt="[field:title/]"/> </div> <div> <p>[field:title/]</p> <p>[field:description /]</p> </div> </a> </li> {/dede:liketags}新闻热点
疑难解答
