分享一个功能：6.0搜索页新增标签支持

在构建高效的搜索引擎页面时，PHP脚本扮演着至关重要的角色。以下是一篇关于如何优化搜索结果页的SEO文章，帮助您更好地理解和实现这一过程。

搜索引擎优化（SEO）是提升网站可见性和流量的关键策略之一。对于动态生成的搜索结果页，合理的代码结构和标签使用尤为重要。以下是经过改写的一段PHP代码示例，旨在展示如何通过SEO优化提高搜索结果页的质量。


fetch1("select searchid, keyboard, result_num, orderby, myorder, tbname, tempid, andsql, trueclassid from {$dbtbpre}enewssearch where searchid='$searchid'");

if (empty($search_r['searchid'])) {
    printerror("SearchNotRecord", $getfrom, 1);
}

$page = (int)$_GET@['page'];
$start = 0;
$page_line = $public_r['search_pagenum']; // 每页显示链接数
$line = $public_r['search_num']; // 每页显示记录数

if (!(int)$_GET@['line']) {
    $line = $public_r['search_num']; // 每页显示记录数
} else {
    $line = (int)$_GET@['line'];
    $search = "&line=" . (int)$_GET@['line'];
}

$search .= "&classid=" . (int)$_GET@['classid'];
$offset = $page * $line; // 总偏移量
$search .= "&searchid=" . $searchid;

$myorder = $search_r[orderby];
if (empty($search_r[myorder])) {
    $myorder .= " desc";
}

$add = stripSlashes($search_r['andsql']);
$num = $search_r[result_num];
$query = "select * from {$dbtbpre}ecms_" . $search_r[tbname] . " where checked=1" . $add;
$query .= " order by " . $myorder . " limit $offset,$line";

$sql = $empire->query($query);
$listpage = page1($num, $line, $page_line, $start, $page, $search);

// 取得模板
if ($search_r['tempid']) {
    $tempr = $empire->fetch1("select tempid, temptext, subnews, listvar, rownum, showdate, modid, subtitle, docode from ".GetTemptb("enewssearchtemp")." where tempid='".$search_r['tempid']."' limit 1");
} elseif (empty($class_r[$search_r[trueclassid]][searchtempid])) {
    $tempr = $empire->fetch1("select tempid, temptext, subnews, listvar, rownum, showdate, modid, subtitle, docode from ".GetTemptb("enewssearchtemp")." where isdefault=1 limit 1");
} else {
    $tempr = $empire->fetch1("select tempid, temptext, subnews, listvar, rownum, showdate, modid, subtitle, docode from ".GetTemptb("enewssearchtemp")." where tempid='".$class_r[$search_r[trueclassid]][searchtempid]."' limit 1");
}

$have_class = 1;

// 页面支持标签
$tempr[temptext] = DtNewsBq('list'.$tempr[tempid], $tempr[temptext], 0);

// 替换公共模板变量
$listtemp = $tempr[temptext];
if ($public_r['searchtempvar']) {
    $listtemp = ReplaceTempvar($listtemp);
}

$search_r[keyboard] = htmlspecialchars($search_r[keyboard]);
$listtemp = str_replace("[!--show.page--]", $listpage, $listtemp);
$listtemp = str_replace("[!--keyboard--]", $search_r[keyboard], $listtemp);
$listtemp = str_replace("[!--ecms.num--]", $num, $listtemp);

$url = "" . $fun_r['index'] . " > " . $fun_r['adsearch'];
$pagetitle = $fun_r['adsearch'] . " " . $search_r[keyboard];
$listtemp = ReplaceSvars($listtemp, $url, 0, $pagetitle, $pagetitle, $pagetitle, $add, 0);

$rownum = $tempr[rownum];
if (empty($rownum)) {
    $rownum = 1;
}

$formatdate = $tempr[showdate];
$subnews = $tempr[subnews];
$subtitle = $tempr[subtitle];
$docode = $tempr[docode];
$modid = $tempr[modid];
$listvar = str_replace('[!--news.url--]', $public_r[newsurl], $tempr[listvar]);

// 字段
$ret_r = ReturnReplaceListF($tempr[modid]);

// 取得列表模板
$list_exp = "[!--empirenews.listtemp--]";
$list_r = explode($list_exp, $listtemp);
$listtext = $list_r[1];

$no = $offset + 1;
$changerow = 1;

while ($r = $empire->fetch($sql)) {
    // 替换列表变量
    $repvar = ReplaceListVars($no, $listvar, $subnews, $subtitle, $formatdate, $url, $have_class, $r, $ret_r, $docode);
    $listtext = str_replace("", $repvar, $listtext);
    $changerow += 1;

    if ($changerow > $rownum) {
        $changerow = 1;
        $string .= $listtext;
        $listtext = $list_r[1];
    }

    $no++;
}

db_close();
$empire = null;

if ($changerow <= $rownum && $listtext != $list_r[1]) {
    $string .= $listtext;
}

$string = $list_r[0] . $string . $list_r[2];
echo stripSlashes($string);
?>

这段代码展示了如何动态生成搜索结果页，并确保每个结果都能被搜索引擎有效索引。关键点在于：

合理使用HTML标签：如标题、描述和关键词等，有助于搜索引擎理解页面内容。
分页处理：通过设置每页显示的记录数和链接数，避免单页过长影响加载速度。
模板替换：利用字符串替换技术，将动态数据嵌入到预定义的模板中，增强页面可读性。

将上述文件放置在e/search/result/index.php目录下并覆盖原文件即可生效。此方法不仅提升了用户体验，还显著改善了网站的SEO表现。

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