ecshop商品名称或文章标题后省略号怎么删除

case 'truncate':
$p = 'sub_str(' . $p . ",$s[1])";
break;

function sub_str($str, $length = 0, $append = true)
{
$str = trim($str);
$strlength = strlen($str);
if ($length == 0 || $length >= $strlength)
{
return $str;
}
elseif ($length < 0)
{
$length = $strlength + $length;
if ($length < 0)
{
$length = $strlength;
}
}
if (function_exists('mb_substr'))
{
$newstr = mb_substr($str, 0, $length, EC_CHARSET);
}
elseif (function_exists('iconv_substr'))
{
$newstr = iconv_substr($str, 0, $length, EC_CHARSET);
}
else
{
//$newstr = trim_right(substr($str, 0, $length));
$newstr = substr($str, 0, $length);
}
if ($append && $str != $newstr)
{
$newstr .= '...';
}
return $newstr;
}

​​​​​​​truncate
case 'truncate':
$p = 'sub_str(' . $p . ",$s[1],$s[2])";
break;

{$goods.goods_name|truncate:10:false}

if ($append && $str != $newstr)
{
$newstr .= '...';
}