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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style type="text/css">
.calendar-header {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 47px;
background: #f6faff;
border-bottom: 1px solid #dddee3;
}
.calendar-header .prev,
.calendar-header .next {
position: absolute;
top: 0;
left: 0;
width: 32%;
line-height: 47px;
text-align: right;
}
.calendar-header .next {
text-align: left;
left: auto;
right: 0;
}
.calendar-header .prev .icon,
.calendar-header .next .icon {
width: 8px;
height: 15px;
display: inline-block;
vertical-align: middle;
overflow: hidden;
background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAeCAYAAAAl+Z4RAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACtSURBVEhLxZVNCsIwEEZ7oWr1Hmr1dL2X9QCu/dlXF/oiDAxZzUwGfPAWLXwfJEySLkiPF5x+X05WeMMPXssPDzr8whHNlPAdJXxCM2vU4SOaaQoPqMOuNTeHHyjhA5rZ4P/DC+7RzBafmBLeoYsZw+HCGUObJugluAdGSCvRMxAqqQcppcR1fIWUkvpEhkvCt5HQdKUJdYnrRhZSSvTD8sbQcpqeNqGU8Lh20xcO5WDqUOHMcgAAAABJRU5ErkJggg==') 50% 50% / contain no-repeat;
}
.calendar-header .next .icon {
transform: rotateY(180deg);
}
.calendar-header .date {
width: 36%;
line-height: 47px;
font-size: 18px;
margin: 0 auto;
text-align: center;
}
/*table*/
.calendar-container {
position: fixed;
top: 85px;
left: 0;
width: 100%;
background-color: #f6faff;
height: 47px;
}
.calendar {
background: #fff;
}
.calendar table {
width: 100%;
border: none;
}
.calendar table th {
font-weight: normal;
height: 44px;
}
.calendar table th.weekend {
color: #c2c8d3;
}
.calendar table td div {
position: relative;
width: 44px;
height: 44px;
line-height: 44px;
margin: 0 auto;
text-align: center;
border-radius: 50%;
transition: .5s;
}
.calendar table td div:before {
content: '';
position: absolute;
top: 70%;
left: 50%;
width: 6px;
height: 6px;
background: #f7681a;
border-radius: 50%;
margin-left: -3px;
opacity: 0;
z-index: 10;
transition: .5s;
}
.calendar table td div:after {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border-radius: 50%;
background: #3395ff;
transition: 0.3s cubic-bezier(0.5, -0.5, 1, 1);
transform: scale(0);
opacity: 0;
}
.calendar table td div span {
z-index: 20;
position: relative;
}
.calendar table td.current div {
background-color: #f1f6fc;
}
.calendar table td.weekend {
color: #c2c8d3;
}
.calendar table td.selected div {
color: #fff;
}
.calendar table td.selected div:before {
background-color: #fff !important;
}
.calendar table td.selected div:after {
transition: 0.5s cubic-bezier(0.5, 0, 0.5, 1.5);
opacity: 1;
transform: scale(1);
}
.calendar table td.abnormal div:before {
opacity: 1;
}
</style>
</head>
<body>
<div class="calendar">
<header class="calendar-header">
<div class="prev">
<i class="icon icon-prev"></i>
</div>
<div class="date">2017年10月</div>
<div class="next">
<i class="icon icon-next"></i>
</div>
</header>
<main class="calendar-container">
<div class="calendar" id="calendar">
</div>
</main>
</div>
</body>
<script>
class Calendar {
constructor(config) {
if (!config || typeof (config) !== 'object') {
console.error('配置文件有误');
return;
}
this.el = typeof (config.el) === 'string' ? this.qs(config.el) : config.el
this.date = config.date || ''
this.curDayClass = 'current',
this.isWeekend = config.isWeekend || true,
this.yearSelect = config.yearSelect || 0,
this.monthSelect = config.monthSelect || 0,
this.onChanged = config.onChanged || function () {}
this.onResult = config.onResult || function () {}
this.renderTbody()
}
qs(id) {
return document.querySelector(id);
}
qsa(id) {
return document.querySelectorAll(id);
}
getDays(year, month) {
return new Date(year, month, 0).getDate()
}
goToNextMonth() {
if (this.monthSelect++ >= 12) {
this.yearSelect += 1
this.monthSelect = 1
}
this.renderTbody(this.yearSelect, this.monthSelect)
}
goToPrevMonth() {
if (this.monthSelect-- <= 1) {
this.yearSelect -= 1
this.monthSelect = 12
}
this.renderTbody(this.yearSelect, this.monthSelect)
}
event() {
let _td = this.qsa('#calendar td'),
_this = this
for (var i = 0; i < _td.length; i++) {
_td[i].onclick = function () {
if (this.dataset.id <= 0) {
return
}
_td.forEach(elem => {
elem.classList.remove('selected');
});
this.classList.add('selected')
_this.onResult(_this.yearSelect, _this.monthSelect, +this.dataset.id)
}
}
}
renderTbody(year, month) {
let today = new Date(),
curYear = today.getFullYear(),
curMonth = today.getMonth() + 1,
curDate = today.getDate()
// 获取默认的选中时间
var _date = this.date ? this.date.split(/[-||\/]/) : [new Date().getFullYear(), new Date().getMonth() + 1];
console.log(_date)
// 当有选中的时间后,修改默认的时间
var _year = +year || _date[0],
_month = +month || _date[1],
// 当前星期几
_firstDay = new Date(_year, _month - 1, 1).getDay(),
_weeks = ['日', '一', '二', '三', '四', '五', '六'];
var thead = '',
tbody = '',
result = '',
isThisMonth = _year === curYear && _month === curMonth ? true : false;
this.yearSelect = _year;
this.monthSelect = _month;
// 渲染星期
for (var i = 0; i < 7; i++) {
thead += `<th>${_weeks[i]}</th>`
}
thead = `<tr>${thead}</tr>`
// 渲染天
console.log(_firstDay, this.getDays(_year, _month))
for (var j = 0, len = _firstDay + this.getDays(_year, _month); j < len; j++) {
if (j % 7 === 0) {
tbody += `<tr>`
}
tbody +=
`<td class="${isThisMonth && j - _firstDay + 1 === curDate ? this.curDayClass : ''}" data-id="${j - _firstDay + 1}"><div><span>${j < _firstDay ? ' ' : j - _firstDay + 1}</span></div></td>`
if ((j !== 0 && (j + 1) % 7 === 0) || j === len - 1) {
tbody += `<tr>`
}
}
// 渲染日历table
this.el.innerHTML = `<table>${thead}${tbody}</table>`
// 添加事件
this.event()
if (this.isWeekend) {
let arrDom = Array.from(this.qsa('#calendar tr'))
arrDom.map(n => {
n.children[0] && n.children[0].classList.add('weekend')
n.children[6] && n.children[6].classList.add('weekend')
})
}
this.onChanged(this.yearSelect, this.monthSelect, this.getDays(this.yearSelect, this.monthSelect))
}
}
let calendar = new Calendar({
el: '#calendar',
onChanged: function (y, m, lastDay) {
console.log(`${y}年${m}月有:${lastDay}天`)
document.querySelector('.calendar-header .date').innerHTML = `${y} 年 ${m} 月`
},
onResult: function (y, m, d) {
console.log(`当前选中的:`, y, m, d)
}
})
document.querySelector('.calendar-header .prev').onclick = function () {
calendar.goToPrevMonth();
}
document.querySelector('.calendar-header .next').onclick = function () {
calendar.goToNextMonth();
}
</script>
</html>