ction () {
                            $("#send_btn").text("重新获取" + "(" + second + ")");
                            if (second == 0) {
                                $("#send_btn").text("获取验证码");
                                $("#send_btn").removeClass("layui-btn-disabled");//将按钮可用
                                /* 清除已设置的setInterval对象 */
                                clearInterval(intervalObj);
                            }
                            secon