ajax发送验证码

$.ajax({
    url:url,
    type:"POST",
    data:data,
    dataType:"JSON",
    success:function (data) {
        vue_register.error_code_msg = "";//显示报错信息--后台传输
        if (data.status){
            var obj = $("#code");
            obj.val("59秒");
            obj.attr("disabled","disabled");
            var time = 59;
            //倒计时
            var set=setInterval(function(){
                obj.val(--time+"秒");
            }, 1000);/*等待时间*/
            setTimeout(function(){
                //倒计时
                obj.attr("disabled",false).val("重新获取验证码");
                clearInterval(set);
            }, 59000);
        }else{
            vue_register.error_code_msg = data.msg;
        }
    },
    error:function (data) {
        console.log("ajax请求错误："+data)
    }
})