我该如何通过Smarty函数传递javascript变量？

Question

I am trying to pass a parameter to a function with Smarty . Like this:

$('#buttonClose').click(function(){
    var name = document.getElementById('nameSpan').value;
    {$person->addName(name)}
});

but it pass the value "name" instead of the real value of the variable name .

How can I do that to get the real value of the variable name in the function addName ?

Thanks in advance!

Answer 1

All the Smarty code is run on the server, not the client. If you have Smarty function calls in your Javascript, they will be run at the time the page is rendered - not when the function/event is called in the client's browser. If you want to run a PHP call from Javascript, you must create a PHP endpoint such as addname.php and call it using an AJAX request.

$('#buttonClose').click(function(){
    var name = document.getElementById('nameSpan').value;
    $.post( "addname.php", { name: name, person: person_id } );  
});

Answer 2

You can't assign a client-side value to a smarty variable, as smarty is a templating language that runs on the server. Smarty assignments can only be done on the server-side, that is to say, from PHP. Eg:

$smarty->assign('timestamp',time());

So what you can do is something like:

$smarty->assign('timestamp',time()); //in your PHP script

//in your JS
var currentTS = {$timestamp};

See http://www.smarty.net/manual/en/api.assign.php