使用cURL的Ajax发布数据

Question

How to manipulate a function of web app. my parameters using cURL?? How can I postdata in post-fields of Ajax using cURL?

{
function voteentry() 
{
    $(".loader").fadeIn()
    $.ajax({
        type     : 'POST',
        url      : "ajax_vote.php",
        data     : "userid="+userid+"&entryid="+entryid,
        success: function(data) {
            if (data.indexOf('1') > 0) {
                $('.votebtn').addClass("transparent");
                getEntries();
                $('#profile-vote').html(parseInt($('#profile-vote').html())+1);

                //votePost(entryid,entryname);
            };
            $(".loader").fadeOut();
            //showCongrats();
        }
    });

I know userid and entryid as well but how to post them in database using cURL??