除按钮外禁用所有表单项

        $(function () {
            $("form").each(function (i, form) {
                for (var i = 0; i < form.length; i++) {
                    var element = form.elements[i];
                    if (element.nodeName != "BUTTON")
                        element.disabled = "true";
                }
            })
        })

$(".edit").click(function () {
            
            $("form").each(function (i, form) {
                for (var i = 0; i < form.length; i++) {
                    var element = form.elements[i];
                    $(element).removeAttr("disabled");
                    
                }
            })

            form.render();
        })