问以尽可能最佳的规范化将可变数量的数据输入到数据库中

EN

$(document).ready(function() {

        var count = 0;      

        //when clicked it will remove the closest div with a class of 'container'
        $("span.remove").live('click', function(){
            $(this).closest("div.container").fadeOut(400, function(){
                $(this).remove();
                $('#button').attr('disabled','');
            });
        });

        //initialize the button
        $('#button').attr('disabled','');
        $('#button').click(function(){

            var count = $("#systems_wrapper > .container").size();
            var lastID = $("#systems_wrapper > .container:last").attr('id');
            var exploded = lastID.split("_");
            var increment = Number(exploded[1])+1;

            //if the user has selected 5 products, disable the 'add' button
            if(count >= 5){
                $('#button').attr('disabled','disabled');
            }else {
                $('#button').attr('disabled','');
            }

            //clone the first drop down and give it a different ID, as well as it's child elements
            var test = $('#systems_0.container').clone().attr('id', 'system_' + increment).appendTo('#systems_wrapper');
            test.children(':nth-child(2)').append('<span class="remove"></span>');
            test.children(':nth-child(2)').children(':first').attr('id', 'mail_' + increment).attr('class','dropDowns').attr('onchange','test();');


            });


    //get the products JSON object returned from test_post.php and run the necessary functions on the returned data
    $.getJSON("test_post.php", function(data){

    //clean out the select list
    $('#box').html('');

        //run the loop to populate the drop down list
        $.each(data, function(i, products) {
            $('#box').append(
                $('<option></option>').html(products.products)
            );
        });
    });
});


//this gets all of the products chosen and then gets each ones value and ID, and then posts it to the qwer.php file

function test(){
    var sections = $('#systems_wrapper').find('.dropDowns');
    var newArray = new Array();

    sections.each(function(){
        var id = $(this).attr('id');
        var val = $(this).val();
        var o = { 'id': id, 'value': val };

        newArray.push(o);
    });

    alert(newArray);

    $.ajax({
            type: "POST",
            url: "qwer.php",
            dataType: 'json',
            data: { json: JSON.stringify(newArray) }
        });

}