var isSmsSend = false;    function clickButtona(obj){              var obj = $(obj);             var mobile=$("input[name=mobile]").val();             var URL1 = "{:url('member/index/getcode')}";            if(isSmsSend == false){                isSmsSend = true;                $.ajax({                url: URL1,                type: 'post',                data:{mobile:mobile},                success: function(data) {                     if(data.error>0){                        isSmsSend = false;                        layer.open({                            content: data.msg                            ,skin: 'msg'                            ,time: 2 //2秒后自动关闭                        });                         return false;                    }else{                            layer.open({                            content: "验证码已发送,请注意查收"                            ,skin: 'msg'                            ,time: 2 //2秒后自动关闭                        });                         obj.attr("disabled","disabled");/*按钮倒计时*/                         var time = 60;                         var set = setInterval(function(){                            if(time >= 0){                                obj.val(time+"(s)");                             }else{                                isSmsSend = false;                                clearInterval(set);                                obj.attr("disabled",false);                                obj.val("重新发送");                             }                            time--;                                                    }, 1000);/*等待时间*/                      }                 }             });            }                    }