事例：

php代码段：

$smarty = new Smarty;$smarty->assign('string', 'Life honest valuable, love price is higher.');$smarty->display('index.tpl');

index.tpl：

{$string}{$string|truncate}{$string|truncate:30}{$string|truncate:30:""}{$string|truncate:30:"---"}{$string|truncate:30:"":true}{$string|truncate:30:"...":true} {$string|truncate:30:"**********":false:true}

output:

    Life honest valuable, love price is higher.

    Life honest valuable, love price is higher.    Life honest valuable, love...    Life honest valuable, love    Life honest valuable, love---    Life honest valuable, love pri    Life honest valuable, love ...     Life hones**********is higher.