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话不多说,请看代码:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>倒计时-多种格式调用-原生js封装</title>
 <link rel="shortcut icon" href="../public/image/favicon.ico" type="images/x-icon"/>
 <link rel="icon" href="../public/image/favicon.png" type="images/png"/>
 <link rel="stylesheet" type="text/css" href="../public/style/cssreset-min.css">
 <link rel="stylesheet" type="text/css" href="../public/style/common.css">
 <style type="text/css">
 /*公共*/
 html{
  height:100%;
 }
 body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
  margin: 0;
  padding: 0
 }
 ol, ul {
  list-style: none
 }
 body{
  position: relative;
  min-height:100%;
  font-size:14px;
  font-family: Tahoma, Verdana,"Microsoft Yahei";
  color:#333;
 }
 a{
  text-decoration: none;
  color:#333;
 }
 .header{
  width: 960px;
  padding-top: 15px;
  margin: 0 auto;
  line-height: 30px;
  text-align: right;
 }
 .header a{
  margin: 0 5px;
 }
 .main{
  width:960px;
  margin: 50px auto 0;
 }
 .code{
  border:1px dashed #e2e2e2;
  padding:10px 5px;
  margin-bottom:25px;
 }
 pre {
  font-family: "Microsoft Yahei",Arial,Helvetica;
  white-space: pre-wrap; /*css-3*/ 
  white-space: -moz-pre-wrap; /*Mozilla,since1999*/ 
  white-space: -pre-wrap; /*Opera4-6*/ 
  white-space: -o-pre-wrap; /*Opera7*/ 
  word-wrap: break-word; /*InternetExplorer5.5+*/
 }
 .example{
  padding-top:40px;
  margin-bottom:90px;
 }
 .example .call{
  padding:18px 5px;
  background:#f0f5f8;
 }
 .example h2{
  padding-top:20px;
  margin-bottom:7px;
 }
 .example table {
  width:100%;
  table-layout:fixed;
  border-collapse: collapse;
  border-spacing: 0;
  border: 1px solid #cee1ee;
  border-left: 0;
 }
 .example thead {
  border-bottom: 1px solid #cee1ee;
  background-color: #e3eef8;
 }
 .example tr {
  line-height: 24px;
  font-size: 13px;
 }
 .example tr:nth-child(2n) {
  background-color: #f0f5f8;
 }
 .example tr th,.example tr td {
  border-left: 1px solid #cee1ee;
  word-break: break-all;
  word-wrap: break-word;
  padding:0 10px;
  font-weight: normal;
 }
 .example tr th {
  color: #555;
  padding-top: 2px;
  padding-bottom: 2px;
  text-align: left;
 }
 /*公共*/
 .countdown {
  margin-bottom: 15px;
 }
 </style>
 <script type="text/javascript">
 /*封装代码*/
 (function() {
  var Countdown = function(el, opts) {
  var self = this;
  var defaults = {
   'format': 'hh:mm:ss',   //格式
   'endtime': '',    //结束时间
   'interval': 1000,   //多久倒计时一次 单位:ms
   'starttime':r(el)[0].innerHTML,  //开始时间
   'countEach': function(time) {  //每单位时间出发事件,传入一个对象,包含时间信息(month)和时间格式化输出(format)
   r(el)[0].innerHTML=time['format']
   },
   'countEnd':function (time) {}  //倒计时结束回调事件
  }
  opts = opts || {};
  for (var w in defaults) {
   if ("undefined" == typeof opts[w]) {
   opts[w] = defaults[w];
   }
  }
  this.params = opts;
  this.container = r(el);

  if (this.container.length > 1) {
   var x = [];
   return this.container.each(function() {
   x.push(new Countdown(this, opts))
   }), x
  }
  this._hander=null;
  this._start=0;
  this._end=0;
  this.isTimestamp = isNaN(this.params.starttime)||isNaN(this.params.endtime);//是否为秒计数模式
  this.init();
  }
  Countdown.prototype = {
  //初始化
  init: function() {
   var self = this;
   this.reset();
  },
  reset:function(){
   var self = this;
   if (this.isTimestamp) {
   this._start = this.params.starttime "M+" : date.getMonth()+1,   //月份
   "d+" : date.getDate(),   //日
   "h+" : date.getHours(),   //小时
   "m+" : date.getMinutes(),   //分
   "s+" : date.getSeconds(),   //秒
   "q+" : Math.floor((date.getMonth()+3)/3), //季度
   "S" : date.getMilliseconds()  //毫秒
   };
   if(/(y+)/.test(fmt)){
   fmt=fmt.replace(RegExp.$1, (date.getFullYear()+"").substr(4 - RegExp.$1.length));
   }
   for(var k in o){
   if(new RegExp("("+ k +")").test(fmt)){
    fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) "00"+ o[k]).substr((""+ o[k]).length)));
   }
   }
   return fmt;
  },
  getTime: function(timestamp) {
   var self = this;
   var date, format;
   if (this.isTimestamp) {
   date = new Date(timestamp);
   format = self.timeFormat(self.params.format, timestamp);
   } else {
   date = new Date();
   format = timestamp / 1e3;
   }
   return {
   'year': date.getFullYear(),
   'month': date.getMonth() + 1,
   'day': date.getDate(),
   'hour': date.getHours(),
   'minute': date.getMinutes(),
   'second': date.getSeconds(),
   'quarter': Math.floor((date.getMonth() + 3) / 3),
   'microsecond': date.getMilliseconds(),
   'format': format
   };
  }
  }
  var r = (function() {
  var e = function(e) {
   var a = this,
   t = 0;
   for (t = 0; t < e.length; t++) {
   a[t] = e[t];
   }
   return a.length = e.length, this
  };
  e.prototype = {
   addClass: function(e) {
   if ("undefined" == typeof e) return this;
   for (var a = e.split(" "), t = 0; t < a.length; t++)
    for (var r = 0; r < this.length; r++) this[r].classList.add(a[t]);
   return this
   },
   each: function(e) {
   for (var a = 0; a < this.length; a++) e.call(this[a], a, this[a]);
   return this
   },
   html: function(e) {
   if ("undefined" == typeof e) return this[0] "string" == typeof a) {
    var i = document.createElement("div");
    for (i.innerHTML = a; i.firstChild;) this[t].appendChild(i.firstChild)
    } else if (a instanceof e)
    for (r = 0; r < a.length; r++) this[t].appendChild(a[r]);
   else this[t].appendChild(a);
   return this
   },
  }
  var a = function(a, t) {
   var r = [],
   i = 0;
   if (a && !t && a instanceof e) {
   return a;
   }
   if (a) {
   if ("string" == typeof a) {
    var s, n, o = a.trim();
    if (o.indexOf("<") >= 0 && o.indexOf(">") >= 0) {
    var l = "div";
    for (0 === o.indexOf("<li") && (l = "ul"), 0 === o.indexOf("<tr") && (l = "tbody"), (0 === o.indexOf("<td") || 0 === o.indexOf("<th")) && (l = "tr"), 0 === o.indexOf("<tbody") && (l = "table"), 0 === o.indexOf("<option") && (l = "select"), n = document.createElement(l), n.innerHTML = a, i = 0; i < n.childNodes.length; i++) r.push(n.childNodes[i])
    } else
    for (s = t || "#" !== a[0] || a.match(/[ .<>:~]/) "#")[1])], i = 0; i < s.length; i++) s[i] && r.push(s[i])
   } else if (a.nodeType || a === window || a === document) {
    r.push(a);
   } else if (a.length > 0 && a[0].nodeType) {
    for (i = 0; i < a.length; i++) {
    r.push(a[i]);
    }
   }
   }
   return new e(r)
  };
  return a;
  }())

  window.countdown = Countdown;
 })()
 /*封装代码*/
 </script>
</head>
<body>
 <div class="header">
 <a href="https://github.com/huanghanzhilian/widget" target="_blank">项目地址</a>
 <a href="/widget/">返回首页</a>
 </div>
 <div class="main">
 <div class="countdown">
  <p>#例子1# 12:00:00到11:50:00</p>
  <p id="countdown" class="">12:00:00</p>
 </div>
 <script type="text/javascript">
  new countdown("#countdown", {
  endtime: '11:50:00'
  });
 </script>
 <div class="code">
  <p>
  endtime: '11:50:00',设置结束时间/默认值为空||0,执行其他默认参数
  </p>
  <p>new countdown("#countdown", {
  endtime: '11:50:00'
  });</p>
 </div>
 <div class="countdown">
  <p>#例子2# 60到50</p>
  <p id="countdown1" class="">60</p>
 </div>
 <script type="text/javascript">
  new countdown("#countdown1", {
  endtime: '50',
  countEnd: function() {
   alert("结束")
  }
  });
 </script>
 <div class="code">
  <p>
  countEnd: 'function',设置结束倒计时后触发的函数/默认值为空,执行其他默认参数
  </p>
  <p>new countdown("#countdown1", {
  endtime: '50',
  countEnd: function() {
   alert("结束")
  }
  });</p>
 </div>
 <div class="countdown">
  <p>#例子3# 60到0</p>
  <p id="countdown2" class=""></p>
 </div>
 <script type="text/javascript">
  new countdown("#countdown2", {
  starttime:'60'
  });
 </script>
 <div class="code">
  <p>
  starttime:'60',设置开始时间/默认值为元素内容,执行其他默认参数
  </p>
  <p>new countdown("#countdown2", {
  starttime:'60'
  });</p>
 </div>
 <div class="countdown">
  <p>#例子4# 2017/01/11,11:00:00到1970/1/1</p>
  <p id="countdown3" class="">2017/01/11,11:00:00</p>
 </div>
 <script type="text/javascript">
  new countdown("#countdown3", {
  format:'yy:MM:dd:hh:mm:ss'
  });
 </script>
 <div class="code">
  <p>
  format:'yy:MM:dd:hh:mm:ss',格式化输出的时间格式/默认值为'hh:mm:ss',执行其他默认参数
  </p>
  <p>new countdown("#countdown3", {
  format:'yy:MM:dd:hh:mm:ss'
  });</p>
 </div>
 <div class="example">
  <div class="call">
  <h1>调用方法:</h1>
  <p>new countdown(selector,{options});</p>
  </div>
  <h2>options参数</h2>
  <table>
  <thead>
   <tr>
   <th width="150">参数</th>
   <th width="100">默认值</th>
   <th>说明</th>
   </tr>
  </thead>
  <tbody>
   <tr>
   <td>format</td>
   <td>'hh:mm:ss'</td>
   <td>格式化输出的时间格式,年(y)、月(M)、日(d)、小时(h)、分(m)、秒(s)、毫秒(S)、季度(q)</td>
   </tr>
   <tr>
   <td>starttime</td>
   <td>''</td>
   <td>开始时间</td>
   </tr>
   <tr>
   <td>endtime</td>
   <td>''</td>
   <td>结束时间</td>
   </tr>
   <tr>
   <td>interval</td>
   <td>1000</td>
   <td>计数的时间间隔(单位:毫秒)</td>
   </tr>
   <tr>
   <td>countEach(time)</td>
   <td>[时间格式化输出]</td>
   <td>每计时单位执行,其中time包含时间信息:year年、quarter季度、month月、day日、hour小时、minute分钟、second秒、microsecond毫秒、format格式化输出</td>
   </tr>
   <tr>
   <td>countEnd(time)</td>
   <td>[时间格式化输出]</td>
   <td>计时结束后执行,其中time包含时间信息:year年、quarter季度、month月、day日、hour小时、minute分钟、second秒、microsecond毫秒、format格式化输出</td>
   </tr>
  </tbody>
  </table>
 </div>
 </div>
</body>
</html>

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持!

标签:
js,倒计时,原生js倒计时

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