原生js实现倒计时功能(多种格式调用)
程序员文章站
2023-11-20 09:19:10
话不多说,请看代码:
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 ? this.gettimestamp(this.params.starttime) : (+new date()); this._end = this.gettimestamp(this.params.endtime); } else { this._start = this.params.starttime * 1e3; this._end = this.params.endtime * 1e3; } this.count(); }, count:function(){ var self = this; this._hander = setinterval(function(){ self._start-=self.params.interval; self.params.counteach(self.gettime(self._start)); if(self._start<=self._end){ clearinterval(self._hander); self.params.countend(); } },self.params.interval); }, //获取时间戳 gettimestamp:function(str){ return +new date(str)||+new date('1970/1/1 '+str); }, timeformat:function(fmt,timestamp){ var date = new date(timestamp); var o = { "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) ? (o[k]) : (("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] ? this[0].innerhtml : void 0; for (var a = 0; a < this.length; a++) this[a].innerhtml = e; return this }, find: function(a) { for (var t = [], r = 0; r < this.length; r++) for (var i = this[r].queryselectorall(a), s = 0; s < i.length; s++) t.push(i[s]); return new e(t) }, append: function(a) { var t, r; for (t = 0; t < this.length; t++) if ("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(/[ .<>:~]/) ? (t || document).queryselectorall(a) : [document.getelementbyid(a.split("#")[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!
下一篇: Node.js使用Angular简单示例