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jQuery implementation code for countdown and SMS countdown functions

小云云
小云云Original
2018-02-05 14:24:221773browse

This article mainly shares with you jQuery's countdown function and jQuery's countdown function for sending text messages. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

In practical applications, the countdown effect is often used. The following code uses jQuery to implement a countdown timer. 

<!DOCTYPE html> 
<html> 
 <head> 
  <meta charset="UTF-8"> 
  <title>jquery倒计时实现</title> 
  <style type="text/css"> 
   .shop_list ul li{ 
    display: inline-block; 
    list-style: none; 
    width: 300px; 
   } 
  </style> 
 </head> 
 <body> 
  <p class="shop_list" id="shop_list"> 
   <ul> 
    <li> 
     <img src="img/index/zixun1.jpg"/> 
     <p class="listItem"> 
      <h5>小米手机 Note 顶配版</h5> 
      <p>全网通 香槟金 移动联通<br/>双4G手机 双卡双待</p> 
      <em>￥2998<i>起</i></em> 
      <span class="time" data-starttime="1445982375" data-endtime="1446350400"></span> 
     </p> 
    </li> 
    <li> 
     <img src="img/index/zixun1.jpg"/> 
     <p class="listItem"> 
      <h5>小米手机 Note 顶配版</h5> 
      <p>全网通 香槟金 移动联通<br/>双4G手机 双卡双待</p> 
      <em>￥2998<i>起</i></em> 
      <span class="time" data-starttime=&#39;1445982375&#39; data-endtime=&#39;1446350400&#39;></span> 
     </p> 
    </li> 
   </ul> 
  </p> 
 </body> 
 <script type="text/javascript" src="js/lib/jquery-1.10.1.min.js" ></script> 
 <script type="text/javascript"> 
  $(function(){ 
   //找到商品列表以及时间显示span 
   var abj = $("#shop_list"), 
    timeObj = abj.find(&#39;.time&#39;); 
   //获取开始时间 
   var starttime = timeObj.data(&#39;starttime&#39;); 
    
   // 定时器函数 
   function actionDo(){ 
    return setInterval(function(){ 
     timeObj.each(function(index, el) { 
      //surplusTime为活动剩余开始时间 
      var t = $(this), 
       surplusTime = t.data(&#39;endtime&#39;) -starttime; 
      //若活动剩余开始时间小于0，则说明活动已开始 
      if (surplusTime <= 0) { 
       t.html("活动已经开始"); 
      } else{ 
      //否则，活动未开始，将剩余的时间转换成年，月，日，时，分，秒的形式 
       var year = surplusTime/(24*60*60*365), 
        showYear = parseInt(year), 
        month = (year-showYear)*12, 
        showMonth = parseInt(month), 
        day = (month-showMonth)*30, 
        showDay = parseInt(day), 
        hour = (day-showDay)*24, 
        showHour = parseInt(hour), 
        minute = (hour-showHour)*60, 
        showMinute = parseInt(minute), 
        seconds = (minute-showMinute)*60, 
        showSeconds = parseInt(seconds); 
       t.html(""); 
       //设置输出到HTML的格式并输出到HTML 
       if (showYear>0) { 
        t.append("<span>"+showYear+"年</span>") 
       }; 
       if (showMonth>0) { 
        t.append("<span>"+showMonth+"月</span>") 
       }; 
       if (showDay>0) { 
        t.append("<span>"+showDay+"天</span>") 
       }; 
       if (showHour>=0) { 
        t.append("<span>"+showHour+"小时</span>") 
       }; 
       if (showMinute>=0) { 
        t.append("<span>"+showMinute+"分钟</span>") 
       }; 
       if (showSeconds>=0) { 
        t.append("<span>"+showSeconds+"秒</span>") 
       }; 
      }; 
     }); 
     starttime++; 
    },1000); // 设定执行或延时时间 
   }; 
   // 执行它 
   actionDo(); 
  }); 
 </script> 
</html>

How to implement jQuery SMS countdown function

1. When you click the button, you can count down and customize the countdown. 2. When receiving the SMS fails, count down To stop, you can click to resend the text message. 3. The clicked element supports general tags and input tags. Although it seems very complicated, the implementation code is actually very simple. Let me share the implementation code with you. Friends who need it can refer to it.

The main functions implemented are as follows:

1. When you click the button, you can count down and customize the countdown.

2. When receiving the text message fails, the countdown stops and you can click to resend the text message.

3. The clicked element supports general tags and input tags.

html code: 

<input type="button" class="sameBtn btnCur" value="发送验证码"/>
<p class="sameBtn btnCur2">发送验证码</p>

css code: 

body{padding:100px;text-align: center;}
.sameBtn{display: inline-block;font-size:12px;cursor:pointer;width:76px;height:25px;line-height: 25px;text-align: center;border:0;background: #3186df;color:#fff;}
.sameBtn.current{background: #b1b1b1;}

js code: 

   
//短信倒计时功能
/**使用方式如下：
 * $(".btnCur").CountDownF({
 *    time:120,
 *     resetWords:&#39;重新发送&#39;, //文字定义
 *    cnSeconds:&#39;s&#39;,//倒计时中显示中文的秒，还是s
 *    clickClass:&#39;current&#39;, //点击后添加的class类
 *    countState:true,
 *    callback:function(){
 *      setTimeout(function(){
 *       //当发送失败后，可以立即清除倒计时与其状态
 *        $(".btnCur").CountDownF(&#39;clearState&#39;);
 *      },3000);
 *    }
 *  });
 *
 * */
;(function($,window,document,undefined){
  var pluginName = &#39;CountDownF&#39;,
  defaluts = {
    time:120,
    resetWords:&#39;重新发送&#39;, //文字定义
    cnSeconds:&#39;s&#39;,//倒计时中显示中文的秒，还是s
    clickClass:&#39;current&#39;, //点击后添加的class类
    countState:true //是否可以倒计时，true可以倒计时，false不能进行倒计时
  }
  function Count(element,options){
    this.element = element;
    this.$element = $(this.element);
    this.state = true;
    this.settings = $.extend({},defaluts,options);
    this.number = this.settings.time;
    this.init();
  }
  Count.prototype = {
    init:function(){
      var self = this;
      self.$element.on(&#39;click&#39;,function(){
        if(self.state && self.settings.countState){
          self.state = false;
          if(self.settings.countState){
            self._count();
          }
          if(self.settings.callback){
            self.settings.callback();
          }
        }
      });
    },
    //倒计时函数
    _count:function(){
      var self = this;
      if(self.number == 0){
        self._clearInit();
      }else{
        if(self.number < 10){
          //如果当前元素是input，使用val赋值
          this.$element.attr(&#39;type&#39;) ? this.$element.val(&#39;0&#39; + self.number + self.settings.cnSeconds) : this.$element.html(&#39;0&#39; + self.number + self.settings.cnSeconds); 
        }else{
          this.$element.attr(&#39;type&#39;) ? this.$element.val(self.number + self.settings.cnSeconds) : this.$element.html(self.number + self.settings.cnSeconds);
        }
        self.number--;
        this.$element.addClass(self.settings.clickClass);
        self.clearCount = setTimeout(function(){
          self._count();
        },1000);
      }
    },
    //修改是否可发送短信验证码倒计时状态
    change:function(state){
      var self = this;
      self.settings.countState = state;
    },
    //置为初始状态
    _clearInit:function(){
      var self = this;
      self.$element.removeClass(self.settings.clickClass);
      self.$element.attr(&#39;type&#39;) ? self.$element.val(self.settings.resetWords) : self.$element.html(self.settings.resetWords);
      clearTimeout(self.clearCount);
      self.number = self.settings.time;
      self.state = true;
    },
    //清除倒计时进行状态
    clearState:function(){
      var self = this;
      self._clearInit();
    }
  };
  $.fn.CountDownF = function(options){
    var args = arguments;
    if(options === undefined || typeof options ===&#39;object&#39; ){
      return this.each(function(){
        if(!$.data(this,&#39;plugin&#39; + pluginName)){
          $.data(this,&#39;plugin&#39; + pluginName,new Count(this,options));
        }
      });
    }
    else if(typeof options === &#39;string&#39; && options !== &#39;init&#39;){
      var returns;
       this.each(function(){
        var data = $.data(this,&#39;plugin&#39; + pluginName);
        if(data instanceof Count && typeof data[options] === &#39;function&#39;){
          returns = data[options].apply(data,Array.prototype.slice.call(args,1));
        }
        if(options === &#39;destory&#39;){
           $.data(this, &#39;plugin&#39; + pluginName, null);
        }
      });
       return returns !== undefined ? returns : this;
    }
    else{
      $.error(&#39;Method&#39; + options + &#39;does not exist on jQuery.CountDownF&#39;);
    }
  }
})(jQuery,window,document);

Calling method: 

$(function(){
  $(".btnCur").CountDownF({
    time:120,
    countState:true,
    callback:function(){
      setTimeout(function(){
        $(".btnCur").CountDownF(&#39;clearState&#39;);
      },3000);
    }
  });
  $(".btnCur2").CountDownF({
    time:50,
    countState:true,
    cnSeconds:&#39;秒&#39;,
    callback:function(){
      setTimeout(function(){
        $(".btnCur2").CountDownF(&#39;clearState&#39;);
      },5000);
    }
  });
})

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