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<template>
<view class="uni-datetime-picker">
<view @click="initTimePicker">
<slot>
<view class="uni-datetime-picker-timebox-pointer"
:class="{'uni-datetime-picker-disabled': disabled, 'uni-datetime-picker-timebox': border}">
<text class="uni-datetime-picker-text">{{time}}</text>
<view v-if="!time" class="uni-datetime-picker-time">
<text class="uni-datetime-picker-text">{{selectTimeText}}</text>
</view>
</view>
</slot>
</view>
<view v-if="visible" id="mask" class="uni-datetime-picker-mask" @click="tiggerTimePicker"></view>
<view v-if="visible" class="uni-datetime-picker-popup" :class="[dateShow && timeShow ? '' : 'fix-nvue-height']"
:style="fixNvueBug">
<view class="uni-title">
<text class="uni-datetime-picker-text">{{selectTimeText}}</text>
</view>
<view v-if="dateShow" class="uni-datetime-picker__container-box">
<picker-view class="uni-datetime-picker-view" :indicator-style="indicatorStyle" :value="ymd"
@change="bindDateChange">
<picker-view-column>
<view class="uni-datetime-picker-item" v-for="(item,index) in years" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
<picker-view-column>
<view class="uni-datetime-picker-item" v-for="(item,index) in months" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
<picker-view-column>
<view class="uni-datetime-picker-item" v-for="(item,index) in days" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
</picker-view>
<!-- 兼容 nvue 不支持伪类 -->
<text class="uni-datetime-picker-sign sign-left">-</text>
<text class="uni-datetime-picker-sign sign-right">-</text>
</view>
<view v-if="timeShow" class="uni-datetime-picker__container-box">
<picker-view class="uni-datetime-picker-view" :class="[hideSecond ? 'time-hide-second' : '']"
:indicator-style="indicatorStyle" :value="hms" @change="bindTimeChange">
<picker-view-column>
<view class="uni-datetime-picker-item" v-for="(item,index) in hours" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
<picker-view-column>
<view class="uni-datetime-picker-item" v-for="(item,index) in minutes" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
<picker-view-column v-if="!hideSecond">
<view class="uni-datetime-picker-item" v-for="(item,index) in seconds" :key="index">
<text class="uni-datetime-picker-item">{{lessThanTen(item)}}</text>
</view>
</picker-view-column>
</picker-view>
<!-- 兼容 nvue 不支持伪类 -->
<text class="uni-datetime-picker-sign" :class="[hideSecond ? 'sign-center' : 'sign-left']">:</text>
<text v-if="!hideSecond" class="uni-datetime-picker-sign sign-right">:</text>
</view>
<view class="uni-datetime-picker-btn">
<view @click="clearTime">
<text class="uni-datetime-picker-btn-text">{{clearText}}</text>
</view>
<view class="uni-datetime-picker-btn-group">
<view class="uni-datetime-picker-cancel" @click="tiggerTimePicker">
<text class="uni-datetime-picker-btn-text">{{cancelText}}</text>
</view>
<view @click="setTime">
<text class="uni-datetime-picker-btn-text">{{okText}}</text>
</view>
</view>
</view>
</view>
<!-- #ifdef H5 -->
<!-- <keypress v-if="visible" @esc="tiggerTimePicker" @enter="setTime" /> -->
<!-- #endif -->
</view>
</template>
<script>
// #ifdef H5
import keypress from './keypress'
// #endif
import {
initVueI18n
} from '@dcloudio/uni-i18n'
import messages from './i18n/index.js'
const { t } = initVueI18n(messages)
/**
* DatetimePicker 时间选择器
* @description 可以同时选择日期和时间的选择器
* @tutorial https://ext.dcloud.net.cn/plugin?id=xxx
* @property {String} type = [datetime | date | time] 显示模式
* @property {Boolean} multiple = [true|false] 是否多选
* @property {String|Number} value 默认值
* @property {String|Number} start 起始日期或时间
* @property {String|Number} end 起始日期或时间
* @property {String} return-type = [timestamp | string]
* @event {Function} change 选中发生变化触发
*/
export default {
name: 'UniDatetimePicker',
components: {
// #ifdef H5
keypress
// #endif
},
data() {
return {
indicatorStyle: `height: 50px;`,
visible: false,
fixNvueBug: {},
dateShow: true,
timeShow: true,
title: '日期和时间',
// 输入框当前时间
time: '',
// 当前的年月日时分秒
year: 1920,
month: 0,
day: 0,
hour: 0,
minute: 0,
second: 0,
// 起始时间
startYear: 1920,
startMonth: 1,
startDay: 1,
startHour: 0,
startMinute: 0,
startSecond: 0,
// 结束时间
endYear: 2120,
endMonth: 12,
endDay: 31,
endHour: 23,
endMinute: 59,
endSecond: 59,
}
},
props: {
type: {
type: String,
default: 'datetime'
},
value: {
type: [String, Number],
default: ''
},
modelValue: {
type: [String, Number],
default: ''
},
start: {
type: [Number, String],
default: ''
},
end: {
type: [Number, String],
default: ''
},
returnType: {
type: String,
default: 'string'
},
disabled: {
type: [Boolean, String],
default: false
},
border: {
type: [Boolean, String],
default: true
},
hideSecond: {
type: [Boolean, String],
default: false
}
},
watch: {
value: {
handler(newVal, oldVal) {
if (newVal) {
this.parseValue(this.fixIosDateFormat(newVal)) //兼容 iOS、safari 日期格式
this.initTime(false)
} else {
this.time = ''
this.parseValue(Date.now())
}
},
immediate: true
},
type: {
handler(newValue) {
if (newValue === 'date') {
this.dateShow = true
this.timeShow = false
this.title = '日期'
} else if (newValue === 'time') {
this.dateShow = false
this.timeShow = true
this.title = '时间'
} else {
this.dateShow = true
this.timeShow = true
this.title = '日期和时间'
}
},
immediate: true
},
start: {
handler(newVal) {
this.parseDatetimeRange(this.fixIosDateFormat(newVal), 'start') //兼容 iOS、safari 日期格式
},
immediate: true
},
end: {
handler(newVal) {
this.parseDatetimeRange(this.fixIosDateFormat(newVal), 'end') //兼容 iOS、safari 日期格式
},
immediate: true
},
// 月、日、时、分、秒可选范围变化后,检查当前值是否在范围内,不在则当前值重置为可选范围第一项
months(newVal) {
this.checkValue('month', this.month, newVal)
},
days(newVal) {
this.checkValue('day', this.day, newVal)
},
hours(newVal) {
this.checkValue('hour', this.hour, newVal)
},
minutes(newVal) {
this.checkValue('minute', this.minute, newVal)
},
seconds(newVal) {
this.checkValue('second', this.second, newVal)
}
},
computed: {
// 当前年、月、日、时、分、秒选择范围
years() {
return this.getCurrentRange('year')
},
months() {
return this.getCurrentRange('month')
},
days() {
return this.getCurrentRange('day')
},
hours() {
return this.getCurrentRange('hour')
},
minutes() {
return this.getCurrentRange('minute')
},
seconds() {
return this.getCurrentRange('second')
},
// picker 当前值数组
ymd() {
return [this.year - this.minYear, this.month - this.minMonth, this.day - this.minDay]
},
hms() {
return [this.hour - this.minHour, this.minute - this.minMinute, this.second - this.minSecond]
},
// 当前 date 是 start
currentDateIsStart() {
return this.year === this.startYear && this.month === this.startMonth && this.day === this.startDay
},
// 当前 date 是 end
currentDateIsEnd() {
return this.year === this.endYear && this.month === this.endMonth && this.day === this.endDay
},
// 当前年、月、日、时、分、秒的最小值和最大值
minYear() {
return this.startYear
},
maxYear() {
return this.endYear
},
minMonth() {
if (this.year === this.startYear) {
return this.startMonth
} else {
return 1
}
},
maxMonth() {
if (this.year === this.endYear) {
return this.endMonth
} else {
return 12
}
},
minDay() {
if (this.year === this.startYear && this.month === this.startMonth) {
return this.startDay
} else {
return 1
}
},
maxDay() {
if (this.year === this.endYear && this.month === this.endMonth) {
return this.endDay
} else {
return this.daysInMonth(this.year, this.month)
}
},
minHour() {
if (this.type === 'datetime') {
if (this.currentDateIsStart) {
return this.startHour
} else {
return 0
}
}
if (this.type === 'time') {
return this.startHour
}
},
maxHour() {
if (this.type === 'datetime') {
if (this.currentDateIsEnd) {
return this.endHour
} else {
return 23
}
}
if (this.type === 'time') {
return this.endHour
}
},
minMinute() {
if (this.type === 'datetime') {
if (this.currentDateIsStart && this.hour === this.startHour) {
return this.startMinute
} else {
return 0
}
}
if (this.type === 'time') {
if (this.hour === this.startHour) {
return this.startMinute
} else {
return 0
}
}
},
maxMinute() {
if (this.type === 'datetime') {
if (this.currentDateIsEnd && this.hour === this.endHour) {
return this.endMinute
} else {
return 59
}
}
if (this.type === 'time') {
if (this.hour === this.endHour) {
return this.endMinute
} else {
return 59
}
}
},
minSecond() {
if (this.type === 'datetime') {
if (this.currentDateIsStart && this.hour === this.startHour && this.minute === this.startMinute) {
return this.startSecond
} else {
return 0
}
}
if (this.type === 'time') {
if (this.hour === this.startHour && this.minute === this.startMinute) {
return this.startSecond
} else {
return 0
}
}
},
maxSecond() {
if (this.type === 'datetime') {
if (this.currentDateIsEnd && this.hour === this.endHour && this.minute === this.endMinute) {
return this.endSecond
} else {
return 59
}
}
if (this.type === 'time') {
if (this.hour === this.endHour && this.minute === this.endMinute) {
return this.endSecond
} else {
return 59
}
}
},
/**
* for i18n
*/
selectTimeText() {
return t("uni-datetime-picker.selectTime")
},
okText() {
return t("uni-datetime-picker.ok")
},
clearText() {
return t("uni-datetime-picker.clear")
},
cancelText() {
return t("uni-datetime-picker.cancel")
}
},
mounted() {
// #ifdef APP-NVUE
const res = uni.getSystemInfoSync();
this.fixNvueBug = {
top: res.windowHeight / 2,
left: res.windowWidth / 2
}
// #endif
},
methods: {
/**
* @param {Object} item
* 小于 10 在前面加个 0
*/
lessThanTen(item) {
return item < 10 ? '0' + item : item
},
/**
* 解析时分秒字符串例如00:00:00
* @param {String} timeString
*/
parseTimeType(timeString) {
if (timeString) {
let timeArr = timeString.split(':')
this.hour = Number(timeArr[0])
this.minute = Number(timeArr[1])
this.second = Number(timeArr[2])
}
},
/**
* 解析选择器初始值类型可以是字符串、时间戳例如2000-10-02、'08:30:00'、 1610695109000
* @param {String | Number} datetime
*/
initPickerValue(datetime) {
let defaultValue = null
if (datetime) {
defaultValue = this.compareValueWithStartAndEnd(datetime, this.start, this.end)
} else {
defaultValue = Date.now()
defaultValue = this.compareValueWithStartAndEnd(defaultValue, this.start, this.end)
}
this.parseValue(defaultValue)
},
/**
* 初始值规则:
* - 用户设置初始值 value
* - 设置了起始时间 start、终止时间 end并 start < value < end初始值为 value 否则初始值为 start
* - 只设置了起始时间 start并 start < value初始值为 value否则初始值为 start
* - 只设置了终止时间 end并 value < end初始值为 value否则初始值为 end
* - 无起始终止时间,则初始值为 value
* - 无初始值 value则初始值为当前本地时间 Date.now()
* @param {Object} value
* @param {Object} dateBase
*/
compareValueWithStartAndEnd(value, start, end) {
let winner = null
value = this.superTimeStamp(value)
start = this.superTimeStamp(start)
end = this.superTimeStamp(end)
if (start && end) {
if (value < start) {
winner = new Date(start)
} else if (value > end) {
winner = new Date(end)
} else {
winner = new Date(value)
}
} else if (start && !end) {
winner = start <= value ? new Date(value) : new Date(start)
} else if (!start && end) {
winner = value <= end ? new Date(value) : new Date(end)
} else {
winner = new Date(value)
}
return winner
},
/**
* 转换为可比较的时间戳,接受日期、时分秒、时间戳
* @param {Object} value
*/
superTimeStamp(value) {
let dateBase = ''
if (this.type === 'time' && value && typeof value === 'string') {
const now = new Date()
const year = now.getFullYear()
const month = now.getMonth() + 1
const day = now.getDate()
dateBase = year + '/' + month + '/' + day + ' '
}
if (Number(value) && typeof value !== NaN) {
value = parseInt(value)
dateBase = 0
}
return this.createTimeStamp(dateBase + value)
},
/**
* 解析默认值 value字符串、时间戳
* @param {Object} defaultTime
*/
parseValue(value) {
if (!value) {
return
}
if (this.type === 'time' && typeof value === "string") {
this.parseTimeType(value)
} else {
let defaultDate = null
defaultDate = new Date(value)
if (this.type !== 'time') {
this.year = defaultDate.getFullYear()
this.month = defaultDate.getMonth() + 1
this.day = defaultDate.getDate()
}
if (this.type !== 'date') {
this.hour = defaultDate.getHours()
this.minute = defaultDate.getMinutes()
this.second = defaultDate.getSeconds()
}
}
if (this.hideSecond) {
this.second = 0
}
},
/**
* 解析可选择时间范围 start、end年月日字符串、时间戳
* @param {Object} defaultTime
*/
parseDatetimeRange(point, pointType) {
// 时间为空,则重置为初始值
if (!point) {
if (pointType === 'start') {
this.startYear = 1920
this.startMonth = 1
this.startDay = 1
this.startHour = 0
this.startMinute = 0
this.startSecond = 0
}
if (pointType === 'end') {
this.endYear = 2120
this.endMonth = 12
this.endDay = 31
this.endHour = 23
this.endMinute = 59
this.endSecond = 59
}
return
}
if (this.type === 'time') {
const pointArr = point.split(':')
this[pointType + 'Hour'] = Number(pointArr[0])
this[pointType + 'Minute'] = Number(pointArr[1])
this[pointType + 'Second'] = Number(pointArr[2])
} else {
if (!point) {
pointType === 'start' ? this.startYear = this.year - 60 : this.endYear = this.year + 60
return
}
if (Number(point) && Number(point) !== NaN) {
point = parseInt(point)
}
// datetime 的 end 没有时分秒, 则不限制
const hasTime = /[0-9]:[0-9]/
if (this.type === 'datetime' && pointType === 'end' && typeof point === 'string' && !hasTime.test(
point)) {
point = point + ' 23:59:59'
}
const pointDate = new Date(point)
this[pointType + 'Year'] = pointDate.getFullYear()
this[pointType + 'Month'] = pointDate.getMonth() + 1
this[pointType + 'Day'] = pointDate.getDate()
if (this.type === 'datetime') {
this[pointType + 'Hour'] = pointDate.getHours()
this[pointType + 'Minute'] = pointDate.getMinutes()
this[pointType + 'Second'] = pointDate.getSeconds()
}
}
},
// 获取 年、月、日、时、分、秒 当前可选范围
getCurrentRange(value) {
const range = []
for (let i = this['min' + this.capitalize(value)]; i <= this['max' + this.capitalize(value)]; i++) {
range.push(i)
}
return range
},
// 字符串首字母大写
capitalize(str) {
return str.charAt(0).toUpperCase() + str.slice(1)
},
// 检查当前值是否在范围内,不在则当前值重置为可选范围第一项
checkValue(name, value, values) {
if (values.indexOf(value) === -1) {
this[name] = values[0]
}
},
// 每个月的实际天数
daysInMonth(year, month) { // Use 1 for January, 2 for February, etc.
return new Date(year, month, 0).getDate();
},
//兼容 iOS、safari 日期格式
fixIosDateFormat(value) {
if (typeof value === 'string') {
value = value.replace(/-/g, '/')
}
return value
},
/**
* 生成时间戳
* @param {Object} time
*/
createTimeStamp(time) {
if (!time) return
if (typeof time === "number") {
return time
} else {
time = time.replace(/-/g, '/')
if (this.type === 'date') {
time = time + ' ' + '00:00:00'
}
return Date.parse(time)
}
},
/**
* 生成日期或时间的字符串
*/
createDomSting() {
const yymmdd = this.year +
'-' +
this.lessThanTen(this.month) +
'-' +
this.lessThanTen(this.day)
let hhmmss = this.lessThanTen(this.hour) +
':' +
this.lessThanTen(this.minute)
if (!this.hideSecond) {
hhmmss = hhmmss + ':' + this.lessThanTen(this.second)
}
if (this.type === 'date') {
return yymmdd
} else if (this.type === 'time') {
return hhmmss
} else {
return yymmdd + ' ' + hhmmss
}
},
/**
* 初始化返回值,并抛出 change 事件
*/
initTime(emit = true) {
this.time = this.createDomSting()
if (!emit) return
if (this.returnType === 'timestamp' && this.type !== 'time') {
this.$emit('change', this.createTimeStamp(this.time))
this.$emit('input', this.createTimeStamp(this.time))
this.$emit('update:modelValue', this.createTimeStamp(this.time))
} else {
this.$emit('change', this.time)
this.$emit('input', this.time)
this.$emit('update:modelValue', this.time)
}
},
/**
* 用户选择日期或时间更新 data
* @param {Object} e
*/
bindDateChange(e) {
const val = e.detail.value
this.year = this.years[val[0]]
this.month = this.months[val[1]]
this.day = this.days[val[2]]
},
bindTimeChange(e) {
const val = e.detail.value
this.hour = this.hours[val[0]]
this.minute = this.minutes[val[1]]
this.second = this.seconds[val[2]]
},
/**
* 初始化弹出层
*/
initTimePicker() {
if (this.disabled) return
const value = this.fixIosDateFormat(this.value)
this.initPickerValue(value)
this.visible = !this.visible
},
/**
* 触发或关闭弹框
*/
tiggerTimePicker(e) {
this.visible = !this.visible
},
/**
* 用户点击“清空”按钮,清空当前值
*/
clearTime() {
this.time = ''
this.$emit('change', this.time)
this.$emit('input', this.time)
this.$emit('update:modelValue', this.time)
this.tiggerTimePicker()
},
/**
* 用户点击“确定”按钮
*/
setTime() {
this.initTime()
this.tiggerTimePicker()
}
}
}
</script>
<style>
.uni-datetime-picker {
/* #ifndef APP-NVUE */
/* width: 100%; */
/* #endif */
}
.uni-datetime-picker-view {
height: 130px;
width: 270px;
/* #ifndef APP-NVUE */
cursor: pointer;
/* #endif */
}
.uni-datetime-picker-item {
height: 50px;
line-height: 50px;
text-align: center;
font-size: 14px;
}
.uni-datetime-picker-btn {
margin-top: 60px;
/* #ifndef APP-NVUE */
display: flex;
cursor: pointer;
/* #endif */
flex-direction: row;
justify-content: space-between;
}
.uni-datetime-picker-btn-text {
font-size: 14px;
color: #007AFF;
}
.uni-datetime-picker-btn-group {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex-direction: row;
}
.uni-datetime-picker-cancel {
margin-right: 30px;
}
.uni-datetime-picker-mask {
position: fixed;
bottom: 0px;
top: 0px;
left: 0px;
right: 0px;
background-color: rgba(0, 0, 0, 0.4);
transition-duration: 0.3s;
z-index: 998;
}
.uni-datetime-picker-popup {
border-radius: 8px;
padding: 30px;
width: 270px;
/* #ifdef APP-NVUE */
height: 500px;
/* #endif */
/* #ifdef APP-NVUE */
width: 330px;
/* #endif */
background-color: #fff;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
transition-duration: 0.3s;
z-index: 999;
}
.fix-nvue-height {
/* #ifdef APP-NVUE */
height: 330px;
/* #endif */
}
.uni-datetime-picker-time {
color: grey;
}
.uni-datetime-picker-column {
height: 50px;
}
.uni-datetime-picker-timebox {
border: 1px solid #E5E5E5;
border-radius: 5px;
padding: 7px 10px;
/* #ifndef APP-NVUE */
box-sizing: border-box;
cursor: pointer;
/* #endif */
}
.uni-datetime-picker-timebox-pointer {
/* #ifndef APP-NVUE */
cursor: pointer;
/* #endif */
}
.uni-datetime-picker-disabled {
opacity: 0.4;
/* #ifdef H5 */
cursor: not-allowed !important;
/* #endif */
}
.uni-datetime-picker-text {
font-size: 14px;
}
.uni-datetime-picker-sign {
position: absolute;
top: 53px;
/* 减掉 10px 的元素高度兼容nvue */
color: #999;
/* #ifdef APP-NVUE */
font-size: 16px;
/* #endif */
}
.sign-left {
left: 86px;
}
.sign-right {
right: 86px;
}
.sign-center {
left: 135px;
}
.uni-datetime-picker__container-box {
position: relative;
display: flex;
align-items: center;
justify-content: center;
margin-top: 40px;
}
.time-hide-second {
width: 180px;
}
</style>