自定义$('#form').serialize() var params = $('#xxx_form').serializeObject();

 //注意：获取之前 $("#id").removeAttr("disabled");
 $.fn.serializeObject = function () {
        var o = {};
        var a = this.serializeArray();
        $.each(a, function () {
            if (o[this.name] !== undefined) {
                if (!o[this.name].push) {
                    o[this.name] = [o[this.name]];
                }
                o[this.name].push(this.value || '');
            } else {
                o[this.name] = this.value || '';
            }
        });
        var $radio = $('input[type=radio],input[type=checkbox]', this);
        $.each($radio, function () {
            if (!o.hasOwnProperty(this.name)) {
                o[this.name] = '';
            }
        });
        return o;
    };