611 lines
13 KiB
Plaintext
611 lines
13 KiB
Plaintext
<template>
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<label class="input" tabindex="0">
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<span></span>
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<wc-icon class="icon" is="calendar"></wc-icon>
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</label>
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<div class="calendar">
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<header class="control">
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<wc-icon is="dbl-left"></wc-icon>
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<wc-icon is="left"></wc-icon>
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<span></span>
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<wc-icon is="right"></wc-icon>
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<wc-icon is="dbl-right"></wc-icon>
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</header>
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<section class="week">
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<span>日</span>
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<span>一</span>
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<span>二</span>
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<span>三</span>
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<span>四</span>
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<span>五</span>
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<span>六</span>
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</section>
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<section class="days"></section>
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<div class="tips">日期超出限制</div>
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</div>
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</template>
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<style lang="scss">
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:host {
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overflow: hidden;
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display: inline-block;
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position: relative;
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user-select: none;
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-moz-user-select: none;
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color: nth($cd, 2);
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border-radius: 4px;
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}
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.input {
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display: flex;
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justify-content: center;
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align-items: center;
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min-width: 64px;
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height: 32px;
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font-size: 13px;
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border: 1px solid nth($cp, 3);
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border-radius: inherit;
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background: #fff;
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color: inherit;
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outline: none;
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cursor: text;
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span {
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min-width: 64px;
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padding: 0 5px;
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&::placeholder {
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color: nth($cgr, 1);
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}
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}
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/* ----- */
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.icon {
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padding: 0 5px;
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--size: 16px;
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}
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}
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.calendar {
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display: none;
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position: fixed;
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z-index: 10240;
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left: 0;
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top: 0;
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width: 216px;
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height: auto;
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padding: 8px 10px;
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border-radius: 4px;
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font-size: 12px;
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text-align: center;
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background: #fff;
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box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);
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&::after {
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position: absolute;
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left: 30px;
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top: -4px;
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width: 8px;
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height: 8px;
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background: #fff;
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box-shadow: -1px -1px 2px rgba(0, 0, 0, 0.1);
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transform: rotate(45deg);
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content: '';
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}
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.control {
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display: flex;
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align-items: center;
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justify-content: space-between;
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height: 30px;
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margin: 8px 0;
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font-size: 14px;
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wc-icon {
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--size: 14px;
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margin: 0 3px;
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color: nth($cgr, 1);
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cursor: pointer;
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}
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span {
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flex: 1;
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text-align: center;
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}
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}
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.week {
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display: flex;
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height: 29px;
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border-bottom: 1px solid #f2f5fc;
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font-size: 14px;
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span {
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flex: 1;
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}
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}
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.days {
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display: flex;
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flex-wrap: wrap;
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margin-top: 8px;
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line-height: 26px;
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span {
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position: relative;
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width: 28px;
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height: 28px;
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border: 1px solid transparent;
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border-radius: 50%;
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&:hover {
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border-color: #f2f5fc;
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font-size: 13px;
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}
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&[weekend] {
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color: nth($ct, 1);
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}
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&[picked] {
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color: #fff;
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border-color: #f2f5fc;
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&::before {
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display: block;
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position: absolute;
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left: 3px;
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top: 3px;
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z-index: -1;
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width: 20px;
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height: 20px;
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border-radius: 50%;
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background: nth($ct, 1);
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content: '';
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}
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}
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&[disabled] {
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border-color: transparent;
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font-size: 12px;
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color: nth($cp, 3);
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}
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}
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}
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.tips {
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display: none;
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position: absolute;
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z-index: 10241;
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left: 25%;
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top: 40%;
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width: 50%;
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height: 30px;
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line-height: 28px;
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background: #fffbed;
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color: nth($co, 2);
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border: 1px solid nth($co, 1);
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border-radius: 4px;
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}
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}
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:host(:focus-within) {
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box-shadow: 0 0 3px nth($ct, 1);
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}
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:host(:focus-within[readonly]) {
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box-shadow: 0 0 3px nth($co, 1);
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}
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:host([disabled]) {
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opacity: 0.6;
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.input {
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cursor: not-allowed;
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background: #f3f5fb;
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}
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}
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</style>
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<script>
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import '../icon/index'
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import { nextTick, each, ebind, bind, unbind } from '../utils'
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const today = new Date()
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/**************** 公共函数 *****************/
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//计算日历数组
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function getCalendarTable({ year, month, max, min, last }) {
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let nums = getTotalDays(year, month)
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let numsFixed = 1 - getFirstDay(year, month)
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let isLimitYM = isLimited({ max, min }, { year, month })
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let list = []
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for (let i = numsFixed; i <= nums; i++) {
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let day = {
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weekend: false,
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day: i < 1 ? '' : i,
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picked: false,
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disabled: true
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}
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if (i > 0) {
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let week = getFirstDay(year, month, i)
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day.weekend = week === 0 || week === 6
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day.picked = !!isPicked({ year, month, day: i }, last)
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day.disabled = disabledDay({ max, min }, i, isLimitYM)
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day._ = new Date(year, month, i)
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}
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list.push(day)
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}
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return list
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}
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//判断当前年/月是否超出限制
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function isLimited({ max, min }, { year, month }) {
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let result = ''
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if (!max && !min) {
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return false
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}
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if (max) {
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if (year > max.year) {
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return true
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} else if (year === max.year) {
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if (month > max.month) {
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return true
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} else if (month === max.month) {
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result += '+'
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}
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}
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}
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if (min) {
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if (year < min.year) {
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return true
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} else if (year === min.year) {
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if (month < min.month) {
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return true
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} else if (month === min.month) {
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result += '-'
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}
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}
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}
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return result
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}
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//判断指定天数是否有效
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function disabledDay({ max, min }, day, limitedYM) {
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if (limitedYM === '-') {
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return day < min.day
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}
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if (limitedYM === '+') {
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return max.day && day > max.day
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}
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if (limitedYM === '+-') {
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return day < min.day || (max.day && day > max.day)
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}
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return limitedYM
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}
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//判断指定天数是否被选中
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function isPicked({ year, month, day }, last) {
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return last && last.year === year && last.month === month && last.day === day
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}
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//修改当前选中日期的样式
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function changeStyle(calendar, day) {
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calendar.list.forEach(function(item) {
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if (item.day != day) {
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item.selected = !1
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} else {
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item.selected = !0
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}
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})
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}
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//获取今年的年份/月份，返回的是数组
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function getThisYearMonth() {
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var oDate = new Date()
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return [oDate.getFullYear(), oDate.getMonth() + 1]
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}
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//根据年份获取指定月份天数
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function getTotalDays(year, month) {
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return new Date(year, month, 0).getDate()
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}
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//判断指定年月第一天是星期几
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function getFirstDay(year, month, day) {
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return new Date(year, month, day || 1).getDay()
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}
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export default class DatePicker {
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props = {
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value: '',
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format: 'Y-m-d',
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'max-date': '',
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'min-date': '',
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max: null,
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min: null,
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calendar: null,
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readonly: false,
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disabled: false
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}
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constructor() {
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/* render */
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this.calendar = []
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this.__INPUT__ = this.root.children[1]
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this.__CALENDAR__ = this.root.children[2]
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this.__CTRL__ = this.__CALENDAR__.firstElementChild
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this.__DAYS__ = this.__CALENDAR__.children[2]
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this.__TIPS__ = this.__CALENDAR__.lastElementChild
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}
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get value() {
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return this.props.value
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}
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set value(val) {
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if (val) {
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if (!Date.isDate(val)) {
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val = new Date(val)
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if (val.toString() === 'Invalid Date') {
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return
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}
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}
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this._updateValue(val)
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} else {
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this.props.last = null
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this.props.value = ''
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this.__INPUT__.firstElementChild.textContent = ''
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}
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let { calendar, last } = this.props
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if (
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!calendar.year ||
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(last && calendar.year !== last.year && calendar.month !== last.month)
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) {
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this.props.calendar = { ...last }
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}
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this._renderCalendar()
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nextTick(_ => this.dispatchEvent(new CustomEvent('input')))
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}
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get readonly() {
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return this.props.readonly
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}
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set readonly(val) {
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var type = typeof val
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if (val === this.props.readonly) {
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return
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}
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if ((type === 'boolean' && val) || type !== 'boolean') {
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this.props.readonly = true
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this.setAttribute('readonly', '')
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} else {
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this.props.readonly = false
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this.removeAttribute('readonly')
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}
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}
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get disabled() {
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return this.props.disabled
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}
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set disabled(val) {
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var type = typeof val
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if (val === this.props.disabled) {
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return
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}
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if ((type === 'boolean' && val) || type !== 'boolean') {
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this.props.disabled = true
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this.setAttribute('disabled', '')
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this.__INPUT__.removeAttribute('tabindex')
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} else {
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this.props.disabled = false
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this.removeAttribute('disabled')
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this.__INPUT__.setAttribute('tabindex', '0')
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}
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}
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_tips() {
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clearTimeout(this.timer)
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this.__TIPS__.style.display = 'block'
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this.timer = setTimeout(() => {
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this.__TIPS__.style.display = ''
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}, 1500)
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}
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_updateValue(oDate, needUpdateStyle) {
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this.props.last = {
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year: oDate.getFullYear(),
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month: oDate.getMonth(),
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day: oDate.getDate()
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}
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this.props.value = oDate.format(this.props.format)
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this.__INPUT__.firstElementChild.textContent = this.props.value
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if (needUpdateStyle) {
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each(this.__DAYS__.children, (el, i) => {
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if (this.props.last.day === this.calendar[i].day) {
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this.calendar[i].picked = true
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el.setAttribute('picked', '')
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} else {
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this.calendar[i].picked = false
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el.removeAttribute('picked')
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}
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})
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}
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}
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_renderCalendar() {
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var { calendar, max, min, last } = this.props
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this.calendar = getCalendarTable({ ...calendar, max, min, last })
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this.__CTRL__.children[2].textContent = `${
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calendar.year
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}年${calendar.month + 1}月`
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this.__DAYS__.innerHTML = this.calendar
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.map(
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(it, i) =>
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`<span data-idx="${i}" ${it.picked ? 'picked' : ''} ${
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it.weekend ? 'weekend' : ''
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} ${it.disabled ? 'disabled' : ''}>${it.day}</span>`
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)
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.join('')
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}
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mounted() {
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this.props.calendar = {
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year: today.getFullYear(),
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month: today.getMonth()
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}
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this._renderCalendar()
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this._activeFn = bind(this.__INPUT__, 'click', ev => {
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if (this.props.disabled || this.props.readonly || this.props.active) {
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return
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}
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this.props.active = true
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let { x, y } = this.getBoundingClientRect()
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this.__CALENDAR__.style.cssText = `display:block;left:${x}px;top:${y +
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50}px`
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})
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this._bubbleFn = ebind(this, 'click')
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this._inactiveFn = bind(document, 'click', ev => {
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this.__CALENDAR__.style.cssText = ''
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this.props.active = false
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})
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this._ctrlFn = bind(this.__CTRL__, 'click', ev => {
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let {
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calendar: { year, month },
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max,
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min
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} = this.props
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if (ev.target.tagName === 'WC-ICON') {
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let act = ev.target.is
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// log(ev.target, act)
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switch (act) {
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case 'left':
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month--
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if (month < 0) {
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month = 11
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year--
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}
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break
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case 'right':
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month++
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if (month > 11) {
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month = 0
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year++
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}
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break
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case 'dbl-left':
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year--
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break
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case 'dbl-right':
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year++
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break
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}
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if (isLimited({ max, min }, { year, month }) === true) {
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return this._tips()
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}
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this.props.calendar.month = month
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this.props.calendar.year = year
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this._renderCalendar()
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}
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})
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this._pickFn = bind(this.__DAYS__, 'click', ev => {
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if (ev.target.tagName === 'SPAN') {
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let { calendar, last } = this.props
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let item = this.calendar[ev.target.dataset.idx]
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if (
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item.disabled ||
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(last &&
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calendar.year === last.year &&
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calendar.month === last.month &&
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item.day === last.day)
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) {
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return
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}
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this._updateValue(item._, true)
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nextTick(_ => this.dispatchEvent(new CustomEvent('input')))
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this._inactiveFn()
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}
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})
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}
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unmount() {
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unbind(this.__INPUT__, 'click', this._activeFn)
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unbind(this, 'click', this._bubbleFn)
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unbind(document, 'click', this._inactiveFn)
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unbind(this.__CTRL__, 'click', this._ctrlFn)
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unbind(this.__DAYS__, 'click', this._pickFn)
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}
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watch(name, old, val) {
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if (old === val) {
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return
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}
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switch (name) {
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// label和placeholder 功能相同
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case 'label':
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case 'placeholder':
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this.__INPUT__.setAttribute('placeholder', val)
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break
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case 'max-date':
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if (val) {
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let tmp = new Date(val)
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if (tmp.getFullYear()) {
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this.props.max = {
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year: tmp.getFullYear(),
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month: tmp.getMonth(),
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day: tmp.getDate()
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}
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this._renderCalendar()
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}
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}
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this.removeAttribute('max-date')
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break
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case 'min-date':
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if (val) {
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let tmp = new Date(val)
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if (tmp.getFullYear()) {
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this.props.min = {
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year: tmp.getFullYear(),
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month: tmp.getMonth(),
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day: tmp.getDate()
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}
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this._renderCalendar()
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}
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}
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this.removeAttribute('min-date')
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break
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case 'value':
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this.value = val
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break
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case 'readonly':
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case 'disabled':
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if (val === '') {
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this[name] = true
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}
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break
|
|
}
|
|
}
|
|
}
|
|
</script>
|
JavaScript
95.2%
CSS
4.8%