(function ($) {
    // 函数
    var ajaxSubmit = function (selector, callback) {
        var $form = $(selector);
        if ($form.attr('ajax-disabled') != undefined)
            return true;
        var options = {
            url: $form.attr('action') || window.location.href,
            type: $form.attr('method') || 'POST',
            beforeSend: function () {
                $.showLoading();
            },
            success: function (result) {
                if(callback && typeof(callback) === "function") {
                    callback(result);
                }
            },
            complete: function() {
               $.hideLoading();
            }
            ,error:function(result){
                alert(JSON.stringify(result));
            }
        };

        if (!!$form.attr('enctype') && $form.attr('enctype').toLowerCase() === 'multipart/form-data') {
            var formData = new FormData();
            var $files = $form.find('input[type="file"][name]');
            $files.each(function() {
                if ('files' in this && this.files.length > 0) {
                    // ToDo: Support Multiple on any input?
                    // Just need a loop here..
                    formData.append(this.name, this.files[0]);
                }
            });

            var $noFiles = $form.find(':not(input[type="file"])');
            $.each($noFiles.serializeArray(), function(i, pair) {
                formData.append(pair.name, pair.value);
            });

            options.data = formData;
            options.method = 'POST';
            options.contentType = false;
            options.processData = false;
        } else {
            options.data = $form.serializeArray();
        }
        $.ajax(options);
    };
    $.extend($.fn, {
        ajaxSubmit: function (callback) {
            $(this).form()
            $(document).off('submit', this.selector).on('submit', this.selector, function (e) {
                e.preventDefault();
                var $form = $(this);
                if ($form.attr('ajax-disabled') != undefined)
                    return true;
                ajaxSubmit(this, callback);
                return false;
            });
        }
    })

})(Zepto);