/**
     * 发送验证码
     */
    var countdown=60;
    function sendsms(){
        var sms = $('#sendsmsid').text();

        if(sms == '发送验证码' || sms == '重新发送验证码'){
            var iphone = $("#phone").val();
            $.ajax({
                url:"{:url('index/getSmsByIphoneNumber')}",
                type:'get',
                dataType: "json",
                data:{mobile_num:iphone},
                success:function(res){
                    // console.log(res);
                    // return false;
                    if(res.code == 200){
                        layer.msg(res.message, {
                            icon: 6,//成功的表情
                        },function(){
                            judgeAgainSend();
                        });

                        return false;
                    }else{
                        layer.msg(res.message,{icon: 5});//失败的表情
                        return false;
                    }
                },
            });
        }else{
            judgeAgainSend();
        }
    }

    /**
     * 判断重新发送
     * @returns {boolean}
     */
    function judgeAgainSend(){
        if(countdown == 0){
            $('#sendsmsid').text('重新发送验证码');
            $('#sendsmsid').removeClass('layui-btn-disabled');
            countdown = 60;
            return  false;
        }else{
            $('#sendsmsid').text('已发送 '+countdown+'秒 后可重新发送');
            $('#sendsmsid').addClass('layui-btn-disabled');
            countdown--;
            setTimeout(function() {
                    sendsms();
                }
                ,1000)
        }
    }