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利用JS实现简单的日期选择插件

发布时间：2020-10-05 20:47:17 来源：脚本之家 阅读：87 作者：daisy 栏目：web开发

首先是调用方法如下

//调用方法，后面回调函数返回的是当前选择的日期 
calender('#calend').init(function(date){ 
 this.innerHTML = date 
});
//具体参数说明 
//如果需要传入参数，第一个为json，第二个为回调函数 
//下面是format格式化显示格式类型，有如下几种： 
//yyyy为年数  
//大写M为月数  
//d为几号  
//h为小时  
//小写m为分钟  
//s为秒数  
//q为季度  
//小写e，为数字星期格式  
//大写E，为中文星期格式  
//举例：'yyyy年MM月dd日','yyyy-MM-dd','yyyy','MM','e','dd E' 
//注意：以上获取时间如果是个位数则返回个位数，比如7月，则返回7，如果需要返回07，参数可以写成这样“MM”，其它同理，由于时分秒功能还没有添加，默认获取当前时分秒  
calender('#calend').init({ 
 date : [2015,12,12], //设置默认显示年月日，默认当前年月日  
 format : 'yyyy-MM-dd', //设置显示格式 
 button : false //是否显示按钮 
 left : 0, //追加left，默认0
 top :0, //追加top，默认0
 onload : function(){ } //初始化完成执行，this为当前创建的日历对象 
},function(date){ 
 //回调函数 
 this.innerHTML = date 
});

主要css样式

.containter {
	width:320px;
	margin:auto
}
.calender-wrap {
	-webkit-animation:clafade .3s ease;
	-moz-animation:clafade .3s ease;
	animation:clafade .3s ease;
	padding:5px;
	background:#fff;
	width:240px;
	box-shadow:0 5px 10px rgba(0,0,0,0.2);
	border-radius:4px;
	position:relative;
	font-family:"Microsoft yahei";
	position:absolute;
	z-index:1000
}
.calender-wrap {
	border:1px solid #e2e2e2
}
.calender-wrap:after {
	content:'';
	display:inline-block;
	border-left:7px solid transparent;
	border-right:7px solid transparent;
	border-bottom:7px solid #eee;
	border-top:0;
	border-bottom-color:#d7d7d7;
	position:absolute;
	left:9px;
	top:-7px
}
.calender-wrap:before {
	content:'';
	display:inline-block;
	border-left:6px solid transparent;
	border-right:6px solid transparent;
	border-bottom:6px solid #ffffff;
	border-top:0;
	position:absolute;
	left:10px;
	top:-6px;
	z-index:10
}
.calender-caption {
	height:35px;
	border-bottom:1px solid #ddd;
	z-index:2;
	background:#eee
}
.calender-content {
	position:relative;
	overflow:hidden
}
.calender-content:after {
	content:'';
	display:block;
	clear:both
}
.calender-cell {
	cursor:pointer;
	float:left;
	width:14.28571428%;
	height:35px;
	text-align:center;
	line-height:35px;
	font-size:12px;
	color:#000;
	z-index:1;
	border-bottom:1px solid #eee
}
.calender-cell:hover {
	background:#eee
}
.calender-caption .calender-cell:hover {
	background:none
}
.calender-cell-dark {
	cursor:no-drop;
	color:#b9b9b9
}
.calender-caption .calender-cell {
	height:35px;
	line-height:35px;
	font-size:13px;
	color:#111;
	font-weight:bold
}
.calender-header {
	text-align:center;
	line-height:35px;
	text-align:center;
	color:#888;
	padding-bottom:4px;
	margin-bottom:1px;
	background:#fff;
	position:relative;
	border-bottom:1px solid #e6e6e6;
	font-size:14px
}
#calender-prev,#calender-next {
	text-decoration:none;
	display:block;
	width:14.2857%;
	height:35px;
	background:#fff;
	position:absolute;
	left:0%;
	top:0px;
	font-family:'宋体';
	font-size:14px;
	color:#555
}
#calender-prev,#calender-next {
	color:#999;
	font-size:16px
}
#calender-prev:hover,#calender-next:hover {
	background:#eee;
	border-radius:5px;
	color:#222
}
#calender-next {
	left:auto;
	right:0%
}
#calender-year,#calender-mon {
	cursor:pointer;
	padding:2px 4px;
	border-radius: 3px;
	margin:0 3px;
}
#calender-year:hover,#calender-mon:hover {
	background:#eee
}
.calender-list {
	overflow:hidden
}
.calender-list2,.calender-list3 {
	display:none
}
.calender-year-cell,.calender-mon-cell {
	width:32.41%;
	float:left;
	border-radius:4px;
	text-align:center;
	font-size:12px;
	padding:15px 0;
	border:1px solid #fff
}
.calender-year-cell:hover,.calender-mon-cell:hover {
	background:#eee;
	cursor:pointer
}
.calender-cell.active,.calender-year-cell.active,.calender-mon-cell.active {
	background:#23acf1;
	color:#fff
}
.calender-cell.active:hover,.calender-year-cell.active:hover,.calender-mon-cell.active:hover {
	background:#23acf1;
	color:#fff
}
.calender-button {
	border-top:1px solid #eee;
	width:100%;
	margin-top:-1px;
	padding:7px 0px 2px 0;
	overflow:hidden
}
.calender-button a {
	display:block;
	text-align:center;
	padding:0px 15px;
	height: 25px;
	line-height: 25px;
	float:right;
	background:#23acf1;
	color:#fff;
	margin-right:5px;
	cursor:pointer;
	margin-left:5px;
	font-size:12px;
	text-decoration:none
}
.calender-button a:hover {
	background:#0084c9
}
.calender-wrap.year .calender-list,.calender-wrap.month .calender-list {
	display:none
}
.calender-wrap.year .calender-list2 {
	display:block
}
.calender-wrap.month .calender-list3 {
	display:block
}
@keyframes clafade {
	0% {
	transform:scale(0.95);
	opacity:0
}
100% {
	transform:scale(1);
	opacity:1
}
}@-webkit-keyframes clafade {
	0% {
	-webkit-transform:scale(0.95);
	opacity:0
}
100% {
	-webkit-transform:scale(1);
	opacity:1
}
}	.calend {
	display: block;
	width: 180px;
	line-height: 28px;
	background: #222;
	color: #fff;
	padding: 5px 12px;
	margin:20px 20px 20px 0;
	font-size: 14px;
}

效果图一（默认参数）

利用JS实现简单的日期选择插件

效果图二（显示按钮，设置时间）

利用JS实现简单的日期选择插件

完整实例

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
.containter {
	width:320px;
	margin:auto
}
.calender-wrap {
	-webkit-animation:clafade .3s ease;
	-moz-animation:clafade .3s ease;
	animation:clafade .3s ease;
	padding:5px;
	background:#fff;
	width:240px;
	box-shadow:0 5px 10px rgba(0,0,0,0.2);
	border-radius:4px;
	position:relative;
	font-family:"Microsoft yahei";
	position:absolute;
	z-index:1000
}
.calender-wrap {
	border:1px solid #e2e2e2
}
.calender-wrap:after {
	content:'';
	display:inline-block;
	border-left:7px solid transparent;
	border-right:7px solid transparent;
	border-bottom:7px solid #eee;
	border-top:0;
	border-bottom-color:#d7d7d7;
	position:absolute;
	left:9px;
	top:-7px
}
.calender-wrap:before {
	content:'';
	display:inline-block;
	border-left:6px solid transparent;
	border-right:6px solid transparent;
	border-bottom:6px solid #ffffff;
	border-top:0;
	position:absolute;
	left:10px;
	top:-6px;
	z-index:10
}
.calender-caption {
	height:35px;
	border-bottom:1px solid #ddd;
	z-index:2;
	background:#eee
}
.calender-content {
	position:relative;
	overflow:hidden
}
.calender-content:after {
	content:'';
	display:block;
	clear:both
}
.calender-cell {
	cursor:pointer;
	float:left;
	width:14.28571428%;
	height:35px;
	text-align:center;
	line-height:35px;
	font-size:12px;
	color:#000;
	z-index:1;
	border-bottom:1px solid #eee
}
.calender-cell:hover {
	background:#eee
}
.calender-caption .calender-cell:hover {
	background:none
}
.calender-cell-dark {
	cursor:no-drop;
	color:#b9b9b9
}
.calender-caption .calender-cell {
	height:35px;
	line-height:35px;
	font-size:13px;
	color:#111;
	font-weight:bold
}
.calender-header {
	text-align:center;
	line-height:35px;
	text-align:center;
	color:#888;
	padding-bottom:4px;
	margin-bottom:1px;
	background:#fff;
	position:relative;
	border-bottom:1px solid #e6e6e6;
	font-size:14px
}
#calender-prev,#calender-next {
	text-decoration:none;
	display:block;
	width:14.2857%;
	height:35px;
	background:#fff;
	position:absolute;
	left:0%;
	top:0px;
	font-family:'宋体';
	font-size:14px;
	color:#555
}
#calender-prev,#calender-next {
	color:#999;
	font-size:16px
}
#calender-prev:hover,#calender-next:hover {
	background:#eee;
	border-radius:5px;
	color:#222
}
#calender-next {
	left:auto;
	right:0%
}
#calender-year,#calender-mon {
	cursor:pointer;
	padding:2px 4px;
	border-radius: 3px;
	margin:0 3px;
}
#calender-year:hover,#calender-mon:hover {
	background:#eee
}
.calender-list {
	overflow:hidden
}
.calender-list2,.calender-list3 {
	display:none
}
.calender-year-cell,.calender-mon-cell {
	width:32.41%;
	float:left;
	border-radius:4px;
	text-align:center;
	font-size:12px;
	padding:15px 0;
	border:1px solid #fff
}
.calender-year-cell:hover,.calender-mon-cell:hover {
	background:#eee;
	cursor:pointer
}
.calender-cell.active,.calender-year-cell.active,.calender-mon-cell.active {
	background:#23acf1;
	color:#fff
}
.calender-cell.active:hover,.calender-year-cell.active:hover,.calender-mon-cell.active:hover {
	background:#23acf1;
	color:#fff
}
.calender-button {
	border-top:1px solid #eee;
	width:100%;
	margin-top:-1px;
	padding:7px 0px 2px 0;
	overflow:hidden
}
.calender-button a {
	display:block;
	text-align:center;
	padding:0px 15px;
	height: 25px;
	line-height: 25px;
	float:right;
	background:#23acf1;
	color:#fff;
	margin-right:5px;
	cursor:pointer;
	margin-left:5px;
	font-size:12px;
	text-decoration:none
}
.calender-button a:hover {
	background:#0084c9
}
.calender-wrap.year .calender-list,.calender-wrap.month .calender-list {
	display:none
}
.calender-wrap.year .calender-list2 {
	display:block
}
.calender-wrap.month .calender-list3 {
	display:block
}
@keyframes clafade {
	0% {
	transform:scale(0.95);
	opacity:0
}
100% {
	transform:scale(1);
	opacity:1
}
}@-webkit-keyframes clafade {
	0% {
	-webkit-transform:scale(0.95);
	opacity:0
}
100% {
	-webkit-transform:scale(1);
	opacity:1
}
}	.calend {
	display: block;
	width: 180px;
	line-height: 28px;
	background: #222;
	color: #fff;
	padding: 5px 12px;
	margin:20px 20px 20px 0;
	font-size: 14px;
}
</style>

</head>

<body>

<div id="calend" class="calend">选择日期</div>
<div id="calend1" class="calend">选择日期</div>


<script>
window.calender = (function(win,doc){
	function C(str){
		this.dom = doc.querySelector(str);
		this.s = {
			date : [ new Date().getFullYear(),new Date().getMonth()+1,new Date().getDate()],
			button : false,
			format : 'yyyy年MM月dd日',
			left : 0,
			top: 0,
			onload : function(){}
		}
	};
	C.prototype = {
		init : function(){
			var t = this;
			if( typeof arguments[0] == 'function'){
	 		t.cb = arguments[0];
	 	}else{
	 		t.newS = arguments[0];
	 		t.cb = arguments[1] || function(){}
	 	};
	 	t.yoff = false;
	 	t.moff = false;
			t.extend(t.s,t.newS);
			t.nt = new Date();
			t.nt.setFullYear(t.s.date[0]);
		 	t.nt.setMonth(t.s.date[1]-1);
		 	var len = this.getDateLength(t.nt.getFullYear(),t.nt.getMonth() )
		 	t.nt.setDate(t.s.date[2]>len ? len : t.s.date[2]);
		 	t.day = t.nt.getDate();
			t.dom.onclick = function(ev){
				var e = ev || event;
				t.create();
				t.bind();
				t.s.onload.call(this)
				e.stopPropagation ? e.stopPropagation() : (e.cancelBubble = true)
			};	
		},
		hide : function(){
			var t = this;
			t.cb.call(t.dom,t.format( t.nt.getFullYear()+'/'+ (t.nt.getMonth()+1)+'/'+ t.day+' '+new Date().getHours()+':'+new Date().getMinutes()+':'+new Date().getSeconds(),t.s.format));
			if( g('.calender-wrap')) doc.body.removeChild( g('.calender-wrap') )
		},
		bind : function(){
			var t = this;
			var Content = g('.calender-content');
			t.createDay();
			var Prev = g('#calender-prev'),
				Next = g('#calender-next'),
				Year = g('#calender-year'),
				Mon = g('#calender-mon');
			if(t.s.button){
				var today = g('.calender-today');
				var enter = g('.calender-ent');
				today.onclick = function(){
					t.nt.setFullYear(new Date().getFullYear());
				 	t.nt.setMonth(new Date().getMonth());
				 	t.nt.setDate( new Date().getDate());
				 	t.s.date[2] = t.day = new Date().getDate()
					t.createYear()
					t.createDay()
					t.createMon()
				};
				enter.onclick = function(){
					t.hide();
				}
			}
			Content.onclick = function(ev){
				var ev = ev || event; 
		 	var _target = ev.target || ev.srcElement; 
		 	if(!t.has(_target,'calender-cell-dark') ){
		 		var chl = this.children;
		 		for(var i = 0;i<chl.length;i++){
		 			t.del(chl[i],'active');
		 		};
		 		t.add(_target,'active');
		 		t.nt.setDate(_target.getAttribute('data-n'));
		 		t.s.date[2] = t.day = _target.getAttribute('data-n')
		 		if(!t.s.button){
		 			t.hide();
		 		}
		 	}
			}
			Prev.onclick = Next.onclick = function(){
				var y = t.nt.getFullYear(),m = t.nt.getMonth();
				if(t.moff) return
				if(t.yoff){
					t.nt.setFullYear( this.id=="calender-prev" ? y -= 9 : y += 9)
					t.createYear()
				}else{
					this.id=="calender-prev" ? m-- : m++;
					t.nt.setDate(1);
					t.nt.setMonth( m );
					t.createDay()
				}
			}
			Year.onclick = function(){
				t.createYear();
				t.yoff = true;
				t.moff = false;
				t.del(g('.calender-wrap'),'month');
				t.add(g('.calender-wrap'),'year');
			};
			Mon.onclick = function(){
				t.createMon();
				t.moff = true;
				t.yoff = false;
				t.del(g('.calender-wrap'),'year');
				t.add(g('.calender-wrap'),'month');
			};
		},
		getDateLength : function(year,month){
			//获取某一月有多少天, month为实际月份，一月即为1
			return new Date(year,month,0).getDate();
		},
		getFirstDay : function(year,month){
			//获取某一月第一天是周几,month为实际月份，一月即为1,返回0即为周日
			return new Date(year,month-1,0).getDay();
		},
		createMon : function(){
			var t= this,html='';
			var m = t.nt.getMonth()+1;
			m = m == 0 ? 12 : m;
			for(var i = 1;i<=12;i++){
				html+='<div class="calender-mon-cell '+( m == i ? 'active' : '') +' ">'+ (i) +'</div>';
			};
			g('.calender-list3').innerHTML = html;
			var cells = doc.querySelectorAll('.calender-mon-cell');
			for(var i2 = 0;i2<cells.length;i2++){
			 	cells[i2].onclick = function(){
			 		t.moff = false
			 		t.del(g('.calender-wrap'),'month');
			 		t.nt.setDate(1)
					t.nt.setMonth(+this.innerHTML-1);
					t.createDay();
			 	}
			}
		},
		createYear : function(){
			var t= this,html='',y = (t.nt.getFullYear());
			var Year = g('#calender-year');
			for(var i = 0;i<9;i++){
				html+='<div class="calender-year-cell '+( (y-(4-i)) == y ? 'active' :'') +' ">'+ (y-(4-i)) +'</div>';
			}
			Year.innerHTML = y
			g('.calender-list2').innerHTML = html;
			var cells = doc.querySelectorAll('.calender-year-cell');
			for(var i2 = 0;i2<cells.length;i2++){
			 	cells[i2].onclick = function(){
			 		t.yoff = false;
			 		t.del(g('.calender-wrap'),'year');
					t.nt.setFullYear(+this.innerHTML);
					t.createDay();
			 	}
			}
		},
		createDay : function(n){
			var t = this, 
				y = t.nt.getFullYear(),
				m = (t.nt.getMonth())+1;
			g('#calender-year').innerHTML = m===0 ? y-1 : y;
			g('#calender-mon').innerHTML = m === 0 ? 12 : two(m);
			// if(t.nt.getMonth()+1 == t.s.date[1] && t.nt.getFullYear()==t.s.date[0] ){
			// 	t.nt.setDate(t.s.date[2]);
			// };
			var firstDay = this.getFirstDay(y,m),
				length = this.getDateLength(y,m),
				lastMonthLength = this.getDateLength(y,m-1),
				i,html = '';
				t.day = t.s.date[2] > length ? length : t.s.date[2];
			//循环输出月前空格
			if(firstDay ===0) firstDay = 7;
			for(i=1;i<firstDay+1;i++){
				html += '<div class="calender-cell calender-cell-dark">' + (lastMonthLength - firstDay + i) + '</div>';
			}
			//循环输出当前月所有天
			for(i=1;i<length+1;i++){
				html += '<div data-n='+i+' class="calender-cell '+ (i == t.day ? 'active' :'') +'">' + i + '</div>';
			}
			//if(8-(length+firstDay)%7 !=8){
			for(i=1;i<= (41-(length+(firstDay==0 ? 7 : firstDay)-1));i++){
				html+= '<div class="calender-cell calender-cell-dark">' + i + '</div>';
			};
			doc.querySelector('.calender-content').innerHTML = html
		},
		create : function(){
			var t= this;
			if( g('.calender-wrap')) doc.body.removeChild( g('.calender-wrap') )
			var private_Day_title=['一','二','三','四','五','六','日'];
			//内容
			var html = '<div class="calender-wrap">';
			html +='<div id="calender-header" class="calender-header none-btn "><a id="calender-prev" href="javascript:;">&lt;</a><a id="calender-next" href="javascript:;">&gt;</a> <span id="calender-year">2016</span>年<span id="calender-mon">10</span>月</div>'
			//星期
			html += '<div class="calender-list"><div class="calender-caption">';
			for(i=0;i<7;i++){
				html += '<div class="calender-cell">' + private_Day_title[i] + '</div>';
			};
			html += '</div><div class="calender-content"></div>';
			if(this.s.button){
				html+='<div class="calender-button"><a href="javascript:;" class="calender-ent">确定</a><a href="javascript:;" class="calender-today">今天</a></div>';
			};
			html += '</div><div class="calender-list calender-list2"></div><div class="calender-list calender-list3"></div>'
			doc.body.insertAdjacentHTML("beforeend", html);
			var wrap = g('.calender-wrap');
			function setPosi(){
				var _top = doc.documentElement.scrollTop || doc.body.scrollTop;
				wrap.style.left = t.dom.getBoundingClientRect().left +t.s.left +'px';;
				wrap.style.top = t.dom.getBoundingClientRect().top + _top + t.dom.offsetHeight+t.s.top + 15 +'px';
			};
			setPosi();
			addEvent(window,'resize',function(){setPosi()})
			wrap.onclick = function(ev){
				var e = ev || event;
				e.stopPropagation ? e.stopPropagation() : (e.cancelBubble = true)
			}
		},
	 format : function(da,format){
	  	var _newDate = new Date(da);
	 		var WeekArr=['星期日','星期一','星期二','星期三','星期四','星期五','星期六']; 
		 var o = { 
		  'M+' : _newDate.getMonth()+1, //month 
		  'd+' : _newDate.getDate(), //day 
		  'h+' : _newDate.getHours(), //hour 
		  'm+' : _newDate.getMinutes(), //minute 
		  's+' : _newDate.getSeconds(), //second 
		  'q+' : Math.floor((_newDate.getMonth()+3)/3), //quarter 
		  'S': _newDate.getMilliseconds(), //millisecond 
		  'E': WeekArr[_newDate.getDay()], 
		  'e+' : _newDate.getDay() 
		 }; 
		 if (/(y+)/.test(format)){
		 	format = format.replace(RegExp.$1, (_newDate.getFullYear()+"").substr(4 - RegExp.$1.length));
		 };
		 for(var k in o) { 
		  if(new RegExp('('+ k +')').test(format)) { 
		   format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] : ('00'+ o[k]).substr((''+ o[k]).length)); 
		  }; 
		 }; 
		 return format; 
	 },
	 extend : function(n,n1){
	  for(var i in n1){n[i] = n1[i]};
	 },
		has : function(o,n){
		 return new RegExp('\\b'+n+'\\b').test(o.className); 
	 },
		add : function(o,n){
		 if(!this.has(o, n)) o.className+=' '+n; 
	 },
		del : function(o,n){
		 if(this.has(o, n)){ 
		  o.className = o.className.replace(new RegExp('(?:^|\\s)'+n+'(?=\\s|$)'), '').replace(/^\s*|\s*$/g, ''); 
		 }; 
	 }
	};
	function g(str){return doc.querySelector(str)};
	function addEvent(obj,name,fn){obj.addEventListener? obj.addEventListener(name, fn, false):obj.attachEvent('on'+name,fn);};
 function two(num){return num<10 ? ('0'+num) : (''+num)};
	addEvent(doc,'click',function(){
		if( g('.calender-wrap')) doc.body.removeChild( g('.calender-wrap') )
	});
	function c(o){return new C(o)};return c;
})(window,document);

;(function(){
  calender('#calend').init(function(date){
 		this.innerHTML = date
	});
	calender('#calend1').init({format : 'yyyy-MM-dd',
    date : [2020,5,12],
		button : true
	},function(date){
		this.innerHTML = date
	});
})();

</script>


</body>
</html>

总结

以上就是这篇文章的全部内容了，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，如果有疑问大家可以留言交流。

向AI问一下细节
推荐阅读：
  1. js实现删除功能的插件
  2. 时间日期选择插件

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