feat: 初始化
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George
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<template>
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<view class="uni-datetime-picker">
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<view @click="tiggerTimePicker">
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<slot>
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<view class="uni-datetime-picker-timebox uni-datetime-picker-flex">
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{{time}}<view v-if="!time" class="uni-datetime-picker-time">选择日期时间</view>
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<view class="uni-datetime-picker-down-arrow"></view>
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</view>
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</slot>
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</view>
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<view v-if="visible" class="uni-datetime-picker-mask" @click="initTimePicker"></view>
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<view v-if="visible" class="uni-datetime-picker-popup">
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<view class="uni-title">
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设置日期和时间
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</view>
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<picker-view class="uni-datetime-picker-view" :indicator-style="indicatorStyle" :value="ymd" @change="bindDateChange">
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<picker-view-column class="uni-datetime-picker-hyphen">
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<view class="uni-datetime-picker-item" v-for="(item,index) in years" :key="index">{{item}}</view>
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</picker-view-column>
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<picker-view-column class="uni-datetime-picker-hyphen">
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<view class="uni-datetime-picker-item" v-for="(item,index) in months" :key="index">{{item < 10 ? '0' + item : item}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="uni-datetime-picker-item" v-for="(item,index) in days" :key="index">{{item < 10 ? '0' + item : item}}</view>
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</picker-view-column>
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</picker-view>
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<picker-view class="uni-datetime-picker-view" :indicator-style="indicatorStyle" :value="hms" @change="bindTimeChange">
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<picker-view-column class="uni-datetime-picker-colon">
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<view class="uni-datetime-picker-item" v-for="(item,index) in hours" :key="index">{{item < 10 ? '0' + item : item}}</view>
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</picker-view-column>
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<picker-view-column class="uni-datetime-picker-colon">
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<view class="uni-datetime-picker-item" v-for="(item,index) in minutes" :key="index">{{item < 10 ? '0' + item : item}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="uni-datetime-picker-item" v-for="(item,index) in seconds" :key="index">{{item < 10 ? '0' + item : item}}</view>
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</picker-view-column>
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</picker-view>
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<view class="uni-datetime-picker-btn">
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<view class="" @click="clearTime">重置</view>
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<view class="uni-datetime-picker-btn-group">
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<view class="uni-datetime-picker-cancel" @click="tiggerTimePicker">取消</view>
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<view class="" @click="setTime">确定</view>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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visible: false,
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time: '',
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years: [],
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months: [],
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days: [],
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hours: [],
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minutes: [],
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seconds: [],
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year: 1900,
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month: 0,
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day: 0,
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hour: 0,
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minute: 0,
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second: 0,
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indicatorStyle: `height: 50px;`,
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}
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},
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props: {
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type: {
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type: String,
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default: 'datetime-local'
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},
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timestamp: {
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type: Boolean,
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default: false
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},
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value: {
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type: [String, Number],
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default: ''
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},
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maxYear: {
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type: [Number, String],
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default: 2100
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},
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minYear: {
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type: [Number, String],
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default: 1900
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}
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},
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computed: {
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ymd() {
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return [this.year - this.minYear, this.month - 1, this.day - 1]
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},
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hms() {
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return [this.hour, this.minute, this.second]
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}
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},
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watch: {
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value(newValue) {
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this.parseValue(this.value)
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this.initTime()
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}
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},
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created() {
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this.form = this.getForm('uniForms')
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this.formItem = this.getForm('uniFormsItem')
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if (this.formItem) {
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if (this.formItem.name) {
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this.rename = this.formItem.name
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this.form.inputChildrens.push(this)
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}
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}
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},
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mounted() {
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const date = new Date()
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for (let i = this.minYear; i <= this.maxYear; i++) {
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this.years.push(i)
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}
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for (let i = 1; i <= 12; i++) {
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this.months.push(i)
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}
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for (let i = 1; i <= 31; i++) {
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this.days.push(i)
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}
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for (let i = 0; i <= 23; i++) {
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this.hours.push(i)
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}
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for (let i = 0; i <= 59; i++) {
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this.minutes.push(i)
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}
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for (let i = 0; i <= 59; i++) {
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this.seconds.push(i)
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}
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this.parseValue(this.value)
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if (this.value) {
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this.initTime()
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}
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},
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methods: {
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/**
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* 获取父元素实例
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*/
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getForm(name = 'uniForms') {
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let parent = this.$parent;
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let parentName = parent.$options.name;
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while (parentName !== name) {
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parent = parent.$parent;
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if (!parent) return false
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parentName = parent.$options.name;
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}
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return parent;
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},
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parseDateTime(datetime) {
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let defaultDate = null
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if (!datetime) {
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defaultDate = new Date()
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} else {
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defaultDate = new Date(datetime)
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}
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this.year = defaultDate.getFullYear()
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if (this.year < this.minYear || this.year > this.maxYear) {
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const now = Date.now()
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this.parseDateTime(now)
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return
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}
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this.month = defaultDate.getMonth() + 1
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this.day = defaultDate.getDate()
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this.hour = defaultDate.getHours()
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this.minute = defaultDate.getMinutes()
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this.second = defaultDate.getSeconds()
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},
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parseValue(defaultTime) {
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if (Number(defaultTime)) {
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defaultTime = parseInt(defaultTime)
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}
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this.parseDateTime(defaultTime)
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},
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bindDateChange(e) {
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const val = e.detail.value
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this.year = this.years[val[0]]
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this.month = this.months[val[1]]
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this.day = this.days[val[2]]
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},
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bindTimeChange(e) {
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const val = e.detail.value
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this.hour = this.hours[val[0]]
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this.minute = this.minutes[val[1]]
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this.second = this.seconds[val[2]]
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},
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initTimePicker() {
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// if (!this.time) {
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// this.parseValue()
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// }
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this.parseValue(this.value)
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this.visible = !this.visible
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},
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tiggerTimePicker() {
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this.visible = !this.visible
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},
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clearTime() {
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this.time = ''
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this.tiggerTimePicker()
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},
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initTime() {
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this.time = this.createDomSting()
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if (!this.timestamp) {
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this.formItem && this.formItem.setValue(this.time)
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this.$emit('change', this.time)
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} else {
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this.formItem && this.formItem.setValue(this.createTimeStamp(this.time))
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this.$emit('change', this.createTimeStamp(this.time))
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}
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},
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setTime() {
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this.initTime()
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this.tiggerTimePicker()
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},
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createTimeStamp(time) {
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return Date.parse(new Date(time))
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},
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createDomSting() {
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const yymmdd = this.year +
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'-' +
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(this.month < 10 ? '0' + this.month : this.month) +
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'-' +
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(this.day < 10 ? '0' + this.day : this.day) +
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' ' +
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(this.hour < 10 ? '0' + this.hour : this.hour) +
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':' +
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(this.minute < 10 ? '0' + this.minute : this.minute) +
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':' +
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(this.second < 10 ? '0' + this.second : this.second)
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return yymmdd
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}
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}
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}
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</script>
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<style>
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.uni-datetime-picker-view {
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width: 100%;
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height: 130px;
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margin-top: 30px;
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}
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.uni-datetime-picker-item {
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line-height: 50px;
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text-align: center;
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}
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.uni-datetime-picker-btn {
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margin-top: 60px;
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display: flex;
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justify-content: space-between;
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color: blue;
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cursor: pointer;
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}
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.uni-datetime-picker-btn-group {
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display: flex;
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}
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.uni-datetime-picker-cancel {
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margin-right: 30px;
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}
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.uni-datetime-picker-mask {
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position: fixed;
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bottom: 0px;
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top: 0px;
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left: 0px;
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right: 0px;
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background-color: rgba(0, 0, 0, 0.4);
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transition-duration: 0.3s;
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z-index: 998;
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}
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.uni-datetime-picker-popup {
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border-radius: 8px;
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padding: 30px;
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width: 270px;
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background-color: #fff;
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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transition-duration: 0.3s;
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z-index: 999;
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}
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.uni-datetime-picker-time {
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color: grey;
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}
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.uni-datetime-picker-colon::after {
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content: ':';
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position: absolute;
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top: 53px;
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right: 0;
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}
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.uni-datetime-picker-hyphen::after {
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content: '-';
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position: absolute;
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top: 53px;
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right: -2px;
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}
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.uni-datetime-picker-timebox {
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border: 1px solid #E5E5E5;
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border-radius: 5px;
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padding: 7px 10px;
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box-sizing: border-box;
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cursor: pointer;
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}
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// 下箭头
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.uni-datetime-picker-down-arrow {
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display :inline-block;
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position: relative;
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width: 20px;
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height: 15px;
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}
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.uni-datetime-picker-down-arrow::after {
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display: inline-block;
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content: " ";
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height: 9px;
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width: 9px;
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border-width: 0 1px 1px 0;
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border-color: #E5E5E5;
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border-style: solid;
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transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
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transform-origin: center;
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transition: transform .3s;
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position: absolute;
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top: 50%;
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right: 5px;
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margin-top: -5px;
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}
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.uni-datetime-picker-flex {
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display: flex;
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justify-content: space-between;
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}
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</style>
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