JS/jQ实现免费获取手机验证码倒计时效果

<div class="pop">
<div class="con">
<span class="close"><img src="img/close.png"></span>
<div class="page1">
<p class="info">
<span class="title">手机号：</span>
<input type="tel" class="tel" id="mobile" onkeyup="value=value.replace(/[^\w\.\/]/ig,'')" required="" placeholder="请输入您的手机号">
</p>
<p class="info">
<span class="title">验证码：</span>
<input type="tel" class="code" placeholder="输入验证码">
<span class="code1">获取验证码</span>
</p>
<div class="demand demand2" style="width: 70%; margin-top: 20px;">提交</div>
</div>
<div class="page2">
<p class="p1">提交成功</p>
<p class="p2">我们将在索要成功后</p>
<p class="p2">第一时间通知您！</p>
<div class="demand demand3" style="width: 80%; margin-top: 20px; margin-bottom: 10px;">朕知道了</div>
</div>
</div>
</div> 

//校验手机号
//页面的input写的正则下面直接调用方法就可以的
jQuery.extend({
checkmobileNo: function(str) {
var re =/^1[3|7|5|8]\d{9}$/;
if (re.test(str)) {
return true;
} else {
return false;
}
}
});

//发送验证码给手机 
$.ajax({
type: 'GET',
url:"你们后台提供的接口" + mobile, //即上面的接口1
success: function(data, status) {
if (data.errcode==0) {
alert("已发送");
$(".code1").attr("disabled", "disabled");
$(".code1").css("background-color", "#b4b2b3");
//下面就是实现倒计时的效果代码
var d = new Date();
d.setSeconds(d.getSeconds() + 59);
var m = d.getMonth() + 1;
var time = d.getFullYear() + '-' + m + '-' + d.getDate() + ' ' + d.getHours() + ':' + d.getMinutes() + ':' + d.getSeconds();
var id = ".code1";
var end_time = new Date(Date.parse(time.replace(/-/g, "/"))).getTime(),
//月份是实际月份-1
sys_second = (end_time - new Date().getTime()) / 1000;
var timer = setInterval(function() {
if (sys_second > 1) {
sys_second -= 1;
var day = Math.floor((sys_second / 3600) / 24);
var hour = Math.floor((sys_second / 3600) % 24);
var minute = Math.floor((sys_second / 60) % 60);
var second = Math.floor(sys_second % 60);
var time_text = '';
if (day > 0) {
time_text += day + '天';
}
if (hour > 0) {
if (hour < 10) {
hour = '0' + hour;
}
time_text += hour + '小时';
}
if (minute > 0) {
if (minute < 10) {
minute = '0' + minute;
}
time_text += minute + '分';
}
if (second > 0) {
if (second < 10) {
second = '0' + second;
}
time_text += second + '秒';
}
$(id).text(time_text);
} else {
clearInterval(timer);
$(".code1").attr("disabled", false);
$(".code1").text('获取验证码');
$(".code1").css("background-color", "#f67a62");
}
},
1000); 
}else{
alert("发送失败，请再试一次。");
}
},
error: function(data, status) {
alert(status);
}
});
});

//验证验证码和手机发送的验证码是否一致
$.ajax({
type: 'GET',
url: "接口2",
success: function(data, status) {
if (data.errcode==0) {
//向服务器提交信息
$.ajax({
type: 'POST',
url: "向服务器提交你们索要填写的信息接口",
data: JSON.stringify({ /https://img.qb5200.com/download-x/data这里看你们的需求根据接口的数据去写
"project_id": pid,
"phone": mobile,
"device":d
}),
success: function(data, status) {
if (data.errcode==0) {
$('.page1').hide();
$('.page2').show();
}else{
alert("提交失败,请在尝试一次!");
}
},
error: function(data, status) {
alert(data.errMsg);
}
});
}else{
alert("验证码不正确！");
}
},
error: function(data, status) {
alert(status);
}
});
});