412 lines
8.9 KiB
Vue
412 lines
8.9 KiB
Vue
<template>
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<view class="xp-h-full">
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<view @tap="show" class="xp-h-full">
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<slot>
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<view class="picker-label xp-h-full" :class="{'is-placeholder':label===placeholder}">{{label}}
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</view>
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</slot>
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</view>
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<view class="xp-picker" :style="{'visibility':pickerVisible?'visible':'hidden'}">
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<view class="xp-picker-mask" :class="{'xp-picker-animation':animation}"
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:style="{'opacity':pickerVisible?0.6:0}" @tap="_cancel"></view>
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<view class="xp-picker-container"
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:class="{'xp-picker-container--show':pickerVisible,'xp-picker-animation':animation}">
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<view v-if="actionPosition==='top'" class="xp-picker-action">
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<view class="xp-picker-action--cancel" @tap="_cancel">取消</view>
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<view class="xp-picker-action--confirm" @tap="_confirm">确定</view>
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</view>
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<view v-if="isError" class="xp-picker-error" :style="{'height':height+'vh'}">
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<text>（请检查你的配置 或 查看控制台错误信息）</text>
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</view>
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<!-- #ifdef VUE3 -->
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<picker-view v-else style="margin-top: 40rpx;" :style="{'height':height+'vh'}"
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indicator-style="height:40px;" :value="selected" @change="_change">
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<picker-view-column v-for="(k,i) in modeArr" :key="i" class="xp-picker-column">
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<view class="xp-picker-list-item" v-for="(item,index) in cols[i]" :key="index">
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{{item+units[i]}}
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</view>
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</picker-view-column>
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</picker-view>
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<!-- #endif -->
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<!-- #ifdef VUE2 -->
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<picker-view v-else style="margin-top: 40rpx;" :style="{'height':height+'vh'}"
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indicator-style="height:40px;" :value="selected" @change="_change">
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<picker-view-column v-for="(k,i) in modeArr" :key="k" class="xp-picker-column">
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<view class="xp-picker-list-item" v-for="(item,index) in cols[i]" :key="index">
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{{item+units[i]}}
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</view>
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</picker-view-column>
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</picker-view>
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<!-- #endif -->
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<view v-if="actionPosition==='bottom'" class="xp-picker-btns">
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<button class="xp-button xp-button--cancel" @tap="_cancel">取消</button>
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<button class="xp-button xp-button--confirm" @tap="_confirm">确定</button>
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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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import {
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templateFactory,
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getLocalTime,
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fmtNumber,
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time2Timestamp,
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getDate,
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getForm
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} from "./util.js"
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import assert from './assert.js'
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export default {
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name: 'XpPicker',
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data() {
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return {
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isError: false,
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pickerVisible: false,
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cols: [],
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selected: []
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}
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},
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props: {
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mode: {
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type: String,
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default: "ymd"
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},
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animation: {
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type: Boolean,
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default: true
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},
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height: {
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type: [Number, String],
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default: 35
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},
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actionPosition: {
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type: String,
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default: "bottom"
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},
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yearRange: {
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type: Array,
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default: () => [2010, null]
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},
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value: String,
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// #ifdef VUE3
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modelValue: String,
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// #endif
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history: Boolean,
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placeholder: {
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type: String,
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default: ''
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}
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},
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watch: {
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mode() {
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this.render()
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}
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},
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// #ifdef VUE3
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emits: ['confirm', 'update:modelValue'],
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// #endif
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computed: {
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modeArr() {
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return this.mode.split("")
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},
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units() {
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const arr = []
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for (const k in this.template) {
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if (this.mode.indexOf(k) !== -1) arr.push(this.template[k].text)
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}
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return arr
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},
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label() {
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const val = this.value || this.modelValue
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if (val) return val
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return this.placeholder
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}
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},
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created() {
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this.bindForm()
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this.isConfirm = false
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this.template = {}
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this.render()
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// #ifdef VUE2
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if (this.value) {
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this.setSelected(this.value)
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}
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// #endif
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// #ifdef VUE3
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if (this.modelValue) {
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this.setSelected(this.modelValue)
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}
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// #endif
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},
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methods: {
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bindForm() {
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this.form = getForm.call(this, 'uniForms')
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this.formItem = getForm.call(this, 'uniFormsItem')
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if (this.form && this.formItem) {
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if (this.formItem.name) {
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if (!this.is_reset) {
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this.is_reset = false
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// #ifdef VUE2
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this.formItem.setValue(this.value)
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// #endif
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// #ifdef VUE3
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this.formItem.setValue(this.modelValue)
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// #endif
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}
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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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render() {
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try {
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assert(this)
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this.template = templateFactory(this) //生成所需列 默认模板
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this.initCols() //根据模板 初始化列
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this.initSelected() //设置默认值
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} catch (e) {
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console.error(e)
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this.isError = true
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}
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},
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initCols() {
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for (const k of this.mode) {
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const range = this.template[k].range
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this.fillCol(k, ...range)
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}
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},
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initSelected() {
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let dt
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// #ifdef VUE2
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dt = this.value
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// #endif
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// #ifdef VUE3
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dt = this.modelValue
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// #endif
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if (!dt) dt = getLocalTime(this.mode)
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if (!dt) return
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this.setSelected(dt)
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},
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fillCol(k, s, e) {
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const index = this.mode.indexOf(k)
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let arr = []
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for (let i = s; i <= e; i++)
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arr.push(fmtNumber(i))
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// #ifdef VUE2
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this.$set(this.cols, index, arr)
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// #endif
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// #ifdef VUE3
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this.cols[index] = arr
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// #endif
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},
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//dt 时间字符串 如 '2020-02-16'
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setSelected(dt) {
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const arr = dt.split(/-|:|\s/)
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const a = this.cols
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for (let i = 0; i < a.length; i++)
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this.$set(this.selected, i, a[i].indexOf(arr[i]))
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},
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show() {
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if ((!this.value && !this.modelValue) || (!this.history) || (this.history && !this.isConfirm)) {
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this.initSelected()
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}
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this.pickerVisible = true
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},
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_resolveCurrentDt() {
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let str = ""
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for (let i = 0; i < this.selected.length; i++)
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str += this.cols[i][this.selected[i]] + this.units[i]
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let dt = str
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.replace('年', '-')
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.replace('月', '-')
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.replace('日', ' ')
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.replace('时', ':')
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.replace('分', ':')
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.replace('秒', '')
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if (!this.mode.endsWith('s'))
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dt = dt.substring(0, dt.length - 1)
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return dt
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},
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_confirm() {
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const result = this._getResult()
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const val = result.value
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if (!this.isError) {
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// #ifdef VUE2
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this.$emit('input', val)
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// #endif
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// #ifdef VUE3
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this.$emit('update:modelValue', val)
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// #endif
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this.$emit('confirm', result)
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this.isConfirm = true
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if (this.formItem) this.formItem.setValue(val)
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}
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this.pickerVisible = false
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},
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_getResult() {
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const value = this._resolveCurrentDt()
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const detail = {
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value
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}
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const tp = time2Timestamp(value)
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if (!isNaN(tp)) detail.timestamp = tp
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return detail
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},
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_cancel() {
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this.pickerVisible = false
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},
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_change(e) {
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let col;
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const newValue = e.detail.value
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for (let i = 0; i < newValue.length; i++) {
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if (newValue[i] !== this.selected[i]) {
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col = this.modeArr[i]
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break
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}
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}
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this.selected = newValue
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const index = this.mode.indexOf("d")
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if (index !== -1 && (col === 'y' || col === 'm')) {
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const currentDt = this._resolveCurrentDt()
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this.fillCol("d", 1, getDate(currentDt))
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}
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}
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}
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}
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</script>
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<style scoped lang="scss">
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.xp-h-full {
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height: 100%;
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}
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.picker-label {
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height: 100%;
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display: flex;
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align-items: center;
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padding-left: 10px;
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font-size: 13px;
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}
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.is-placeholder {
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color: #999;
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}
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.xp-picker {
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position: fixed;
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top: 0;
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bottom: 0;
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left: 0;
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right: 0;
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z-index: 999;
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font-size: 30rpx;
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}
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.xp-picker-container {
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position: fixed;
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bottom: 0;
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transform: translateY(100%);
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z-index: 999;
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width: 100%;
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background-color: #fff;
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visibility: hidden;
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border-radius: 16px 16px 0 0;
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}
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.xp-picker-container--show {
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transform: translateY(0);
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visibility: visible;
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}
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.xp-picker-mask {
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z-index: 998;
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width: 100%;
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height: 100%;
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background-color: rgb(0, 0, 0);
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}
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.xp-picker-animation {
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transition: all 0.25s;
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}
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.xp-picker-error {
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width: 100%;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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color: #ff0000
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}
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.xp-picker-action {
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width: 100%;
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display: flex;
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justify-content: space-between;
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align-items: center;
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height: 90rpx;
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padding: 0 28rpx;
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box-sizing: border-box;
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position: relative;
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font-size: 34rpx;
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border-bottom: 0.5px solid #e5e5e5
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}
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.xp-picker-btns {
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width: 100%;
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display: flex;
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justify-content: space-around;
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align-items: center;
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padding: 40rpx 30rpx;
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box-sizing: border-box;
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position: relative;
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}
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.xp-button {
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line-height: 2.3;
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font-size: 32rpx;
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margin: 0;
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padding: 0 80rpx;
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transform: translate(0upx, 0upx);
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}
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.xp-button:active:not([disabled]) {
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transform: translate(1upx, 1upx);
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}
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.xp-button:after {
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border: none;
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}
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.xp-button--cancel {
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background-color: #f5f5f5;
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color: #47a16e;
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}
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.xp-button--confirm {
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background-color: #47a16e;
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color: #fff;
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}
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.xp-picker-action--cancel {
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opacity: .7;
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}
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.xp-picker-action--confirm {
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color: #007aff;
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}
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.xp-picker-column {
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text-align: center;
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border: none;
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font-size: 32rpx;
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}
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.xp-picker-list-item {
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display: flex;
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justify-content: center;
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align-items: center;
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height: 40px;
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}
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</style>
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