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jQuery实现倒计时重新发送短信验证码功能示例

kenhins 人气:0

本文实例讲述了jQuery实现倒计时重新发送短信验证码功能的方法。分享给大家供大家参考,具体如下:

<!DOCTYPE html>
<html>
<head>
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
var countdown=60;
function settime(obj) {
  if (countdown == 0) {
    obj.removeAttribute("disabled");
    obj.value="免费获取验证码";
    countdown = 60;
    return;
  } else {
    obj.setAttribute("disabled", true);
    obj.value="重新发送(" + countdown + ")";
    countdown--;
  }
setTimeout(function() {
  settime(obj) }
  ,1000)
}
</script>
<body>
<input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" />
</body>
</html>

实践例子:

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>抢占iPhone7专属预订名额</title>
    <link rel="stylesheet" href="getiphone.css" />
  </head>
  <body style="width: 100%;height: 100%;background:#fff url(iponeImg/beijing.png) no-repeat center fixed;background-size:100% 100%;text-align: center;">
    <div class="top">
      <img src="iponeImg/wenan.png" />
    </div>
    <h1 class="title"><span></span>上市时间同步发售<span></span><br />首批新苹果30个预订专属名额</h1>
    <form id="activityForm" class="form-horizontal" method="post" action="/wamei/activityController/save.htm">
      <label>
        <span><img src="iponeImg/yonghu.png" /></span>
        <i></i>
        <input type="text" class="inline-input" id="name" name="name" placeholder="请输入您的真实姓名" datatype="*1-20" errormsg="姓名最多20个中英文字符!" nullmsg="请输入您的真实姓名!" />
      </label>
      <label>
        <span><img src="iponeImghttps://img.qb5200.com/download-x/dianhua.png" /></span>
        <i></i>
        <input type="text" class="inline-input" id="mobilePhone" name="mobilePhone" placeholder="请输入您的手机号码" datatype="*" errormsg="请输入您的手机号码!" nullmsg="请输入您的手机号码!" />
      </label>
      <label>
        <span><img src="iponeImg/yanzhengma.png" /></span>
        <i></i>
        <input type="text" id="validateCode" class="inline-input" name="validateCode" placeholder="验证码" datatype="*" errormsg="请输入验证码!" nullmsg="请输入验证码!" style="width:180px;" />
        <a id="num" mark="1" >获取验证码</a>
      </label>
      <label id="get">
        <input id="confirm" type="submit" value="提交抢占名额" />
      </label>
      <label>
        <a href="/wamei/pages/activityhttps://img.qb5200.com/download-x/details.html" id="activity">查看活动详情</a>
      </label>
    </form>
    <div class="bottom">
      <span></span>
      <img src="iponeImg/logo.png" />
      <span></span>
    </div>
    <div id="success">
      <div class="successImg">
        <a class="close"></a>
        <p><img src="iponeImg/chenggong.png" />恭喜提交成功</p>
        <p style="padding-top: 0px;font-size: 23px;">分享一下,安抚激动的心</p>
      </div>
    </div>
  </body>
</html>
<!-- scripts -->
<script src="/wamei/pages/js/jquery.min.js"></script>
<script src="/wamei/pages/js/jquery.form.js"></script>
<script src="/wamei/pages/js/bootstrap.min.js"></script>
<script src="/wamei/pages/js/Validform_v5.3.2.js"></script>
<script type="text/javascript">
  $(function(){
    //提交表单
    $("#activityForm").Validform({
      btnSubmit:"#confirm",
      tiptype:function(msg){
        if(msg != '' && msg!='通过信息验证!'){
          alert(msg);
        }
      },
      tipSweep:true,
      beforeSubmit:function(){
        saveForm();
        return false;
      }
    });
  });
  //只允许在APP内打开
  function isMobile(){
    var u = navigator.userAgent;
    var mobileFlag = u.indexOf('type/tfbrowser') > -1;
    return mobileFlag;
  }
  //手机号码验证
  $("#mobilePhone").blur(function(){
    var mobilePhone =$("#mobilePhone").val();
    var myreg = /^(((13[0-9]{1})|(14[0-9]{1})|(17[0]{1})|(15[0-3]{1})|(15[5-9]{1})|(18[0-9]{1}))+\d{8})$/;
    if(mobilePhone){
      if(!myreg.test(mobilePhone)){
        alert("请输入有效的手机号码!");
        $("#mobilePhone").val("");
        return ;
      }
    }
  });
  //发送短信验证码
  $("#num").click(function(){
    var mobilePhone =$("#mobilePhone").val();
    var url="/wamei/activityController/sendValidCode.htm";
    if(!mobilePhone){
      alert("请输入您的手机号码!");
      return ;
    }
    var mark = $("#num").attr("mark");
    if("1"==mark){
      settime(this);
      $.post(url,{mobilePhone:mobilePhone},function(html){
        var data = eval("("+html+")");
        if(data && data.statusCode==1){
          console.log("send success!");
          alert("短信验证码已发送,请查收!");
        }else{
          alert(data.msg);
        }
      });
    }
  });
  //提交form表单
  function saveForm(){
    $("#activityForm").ajaxSubmit({
      /https://img.qb5200.com/download-x/data: {'columnStr':columnStr},
      type: 'post',
      async: false,
      success: function($data) {
        var data = eval("("+$data+")");
        if(data && data.statusCode==1){
          $("#success").show();
        }else{
          alert(data.msg);
          $("#mobilePhone").val("");
        }
      }
    });
  }
  $(".close").click(function(){
    $("#success").hide();
    window.location.reload();
  })
  //短信后倒计时
  var countdown=60;
  function settime(obj) {
    if (countdown == 0) {
      $(obj).attr("disabled",false);
      $(obj).attr("mark","1");
      $(obj).html("获取验证码");
      countdown = 60;
      return;
    } else {
      $(obj).attr("disabled", true);
      $(obj).attr("mark","0");
      $(obj).html("重新发送(" + countdown + ")");
      countdown--;
    }
    setTimeout(function() {
          settime(obj) }
        ,1000)
  }
// $("#confirm").click(function(){
//   $("#success").show();
// })
</script>

PS:这里再为大家提供2款非常方便的正则表达式工具供大家参考使用:

JavaScript正则表达式在线测试工具:
http://tools.softyun.net/regex/javascript

正则表达式在线生成工具:
http://tools.softyun.net/regex/create_reg

希望本文所述对大家jQuery程序设计有所帮助。

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