jQuery implements countdown button function code sharing

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jQuery implements countdown button function code sharing_jquery

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May 16, 2016 pm 04:37 PM

jquery

Code 1:

{ 
 wait:90,
 
 hsTime:function(that){
 
   if (this.wait == 0) { 
    $('#hsbtn').removeAttr("disabled").val('重发短信验证码');   
    this.wait = 90; 
   } else { 
    var _this = this;
    $(that).attr("disabled", true).val('在'+_this.wait+'秒后点此重发');
    _this.wait--; 
    setTimeout(function() { 
     _this.hsTime(that); 
    }, 1000) 
   } 
  },
}

Code 2:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title></title>
 <script src="HTML/js/jquery-1.4.1.min.js" type="text/javascript"></script>
 <script type="text/javascript">
/*-------------------------------------------*/
  var InterValObj; //timer变量，控制时间
var count = 5; //间隔函数，1秒执行
var curCount;//当前剩余秒数
var code = ""; //验证码
var codeLength = 6;//验证码长度
function sendMessage() {
   curCount = count;
   var dealType; //验证方式
var uid=$("#uid").val();//用户uid
if ($("#phone").attr("checked") == true) {
    dealType = "phone";
   }
   else {
    dealType = "email";
   }
   //产生验证码
for (var i = 0; i < codeLength; i++) {
    code += parseInt(Math.random() * 9).toString();
   }
   //设置button效果，开始计时
    $("#btnSendCode").attr("disabled", "true");
    $("#btnSendCode").val("请在" + curCount + "秒内输入验证码");
    InterValObj = window.setInterval(SetRemainTime, 1000); //启动计时器，1秒执行一次
//向后台发送处理数据
    $.ajax({
     type: "POST", //用POST方式传输
     dataType: "text", //数据格式:JSON
     url: 'Login.ashx', //目标地址
     data: "dealType=" + dealType +"&uid=" + uid + "&code=" + code,
     error: function (XMLHttpRequest, textStatus, errorThrown) { },
     success: function (msg){ }
    });
   }
  //timer处理函数
function SetRemainTime() {
   if (curCount == 0) {    
    window.clearInterval(InterValObj);//停止计时器
    $("#btnSendCode").removeAttr("disabled");//启用按钮
    $("#btnSendCode").val("重新发送验证码");
    code = ""; //清除验证码。如果不清除，过时间后，输入收到的验证码依然有效 
   }
   else {
    curCount--;
    $("#btnSendCode").val("请在" + curCount + "秒内输入验证码");
   }
  }
 </script>
</head>
<body>
  <input id="btnSendCode" type="button" value="发送验证码" onclick="sendMessage()" /></p>
</body>
</html>

Code 3:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title>10之后注册</title>
 <script src="../js/jquery-1.6.2.min.js" type="text/javascript"></script>
 <script type="text/javascript" language="javascript">
  var leftSeconds = 10;//倒计时时间10秒
  var intervalId;
  $(function () {
   $("#btn_reg").attr("disabled", true);//设置按钮不可用
   intervalId = setInterval("CountDown()",1000);//调用倒计时的方法
  });
  function CountDown() {//倒计时方法
   if (leftSeconds <= 0) {
    $("#btn_reg").val("注册"); //当时间<=0的时候改变按钮的value
    $("#btn_reg").attr("disabled",false);//如果时间<=0的时候按钮可用
    clearInterval(intervalId); //取消由 setInterval() 设置的 timeout
    return;
   }
   leftSeconds--;
   $("#btn_reg").val("请仔细阅读"+leftSeconds+"秒");
  }
 </script>
</head>
<body>
<textarea cols="20" rows="8">10秒之后注册按钮才可以使用</textarea>
<input type="button" value="注册" id="btn_reg" />
</body>
</html>

Code 4:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title></title>
 <script src="HTML/js/jquery-1.4.1.min.js" type="text/javascript"></script>
 <script type="text/javascript">

  /*-------------------------------------------*/
  var InterValObj; //timer变量，控制时间
var count = 5; //间隔函数，1秒执行
var curCount;//当前剩余秒数
var code = ""; //验证码
var codeLength = 6;//验证码长度
function sendMessage() {
   curCount = count;
   var dealType; //验证方式
var uid=$("#uid").val();//用户uid
if ($("#phone").attr("checked") == true) {
    dealType = "phone";
   }
   else {
    dealType = "email";
   }
   //产生验证码
for (var i = 0; i < codeLength; i++) {
    code += parseInt(Math.random() * 9).toString();
   }
   //设置button效果，开始计时
    $("#btnSendCode").attr("disabled", "true");
    $("#btnSendCode").val("请在" + curCount + "秒内输入验证码");
    InterValObj = window.setInterval(SetRemainTime, 1000); //启动计时器，1秒执行一次
//向后台发送处理数据
    $.ajax({
     type: "POST", //用POST方式传输
     dataType: "text", //数据格式:JSON
     url: 'Login.ashx', //目标地址
     data: "dealType=" + dealType +"&uid=" + uid + "&code=" + code,
     error: function (XMLHttpRequest, textStatus, errorThrown) { },
     success: function (msg){ }
    });
   }
  //timer处理函数
function SetRemainTime() {
   if (curCount == 0) {    
    window.clearInterval(InterValObj);//停止计时器
    $("#btnSendCode").removeAttr("disabled");//启用按钮
    $("#btnSendCode").val("重新发送验证码");
    code = ""; //清除验证码。如果不清除，过时间后，输入收到的验证码依然有效 
   }
   else {
    curCount--;
    $("#btnSendCode").val("请在" + curCount + "秒内输入验证码");
   }
  }
 </script>
</head>
<body>
  <input id="btnSendCode" type="button" value="发送验证码" onclick="sendMessage()" /></p>
</body>
</html>

Code 5:

最近在写短信发送验证码，就写了个js/jquery倒计时发送验证码按钮
<script language="javascript" src="jquery-1.7.1.min.js"></script>
<input type="button" id="btn" value="免费获取验证码" />
<script type="text/javascript">
var wait=10;
function time(t) {
  if (wait == t) {
   t.removeAttribute("disabled");   
   t.value="免费获取验证码";
   wait = 10;
  } else {
   t.setAttribute("disabled", true);
   t.value="重新发送(" + wait + ")";
   wait--;
   setTimeout(function() {
    time(t)
   },
   1000)
  }
 }
 $(document).ready(function(){
 $("#btn").click( function () { 
 
time(this);
 });
});
</script>

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