dedecms调用指定文章内容

{dede:arclist typeid='0' row='1' idlist='100'}
    <h2>[field:title/]</h2>
    <div>[field:content/]</div>
{/dede:arclist}

<?php
require_once('include/common.inc.php');
$dsql = new DedeSql(false);
$sql = "SELECT * FROM `dede_archives` WHERE `id` = 100";
$dsql->SetQuery($sql);
$dsql->Execute();
$row = $dsql->GetArray();
?>
<h2><?php echo $row['title']; ?></h2>
<div><?php echo $row['content']; ?></div>

<?php
require_once('include/common.inc.php');
$dsql = new DedeSql(false);
$sql = "SELECT * FROM `dede_archives` WHERE `id` = 100";
$dsql->SetQuery($sql);
$dsql->Execute();
$row = $dsql->GetArray();
if ($row) {
    echo "<h2>{$row['title']}</h2>";
    echo "<div>{$row['content']}</div>";
} else {
    echo "文章不存在";
}
?>

{dede:arclist typeid='0' row='1' idlist='100'}
    <h2>[field:title/]</h2>
    <div>[field:content function='cn_substr(@me,500)'/]</div>
{/dede:arclist}