677 lines
22 KiB
Python
677 lines
22 KiB
Python
<template>
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<u-popup :maskCloseAble="maskCloseAble" mode="bottom" :popup="false" v-model="value" length="auto" :safeAreaInsetBottom="safeAreaInsetBottom" @close="close" :z-index="uZIndex">
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<view class="u-datetime-picker">
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<view class="u-picker-header" @touchmove.stop.prevent="">
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<view class="u-btn-picker u-btn-picker--tips"
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:style="{ color: cancelColor }"
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hover-class="u-opacity"
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:hover-stay-time="150"
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@tap="getResult('cancel')"
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>{{cancelText}}</view>
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<view class="u-picker__title">{{ title }}</view>
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<view
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class="u-btn-picker u-btn-picker--primary"
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:style="{ color: moving ? cancelColor : confirmColor }"
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hover-class="u-opacity"
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:hover-stay-time="150"
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@touchmove.stop=""
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@tap.stop="getResult('confirm')"
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>
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{{confirmText}}
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</view>
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</view>
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<view class="u-picker-body">
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<picker-view v-if="mode == 'region'" :value="valueArr" @change="change" class="u-picker-view" @pickstart="pickstart" @pickend="pickend">
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<picker-view-column v-if="!reset && params.province">
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<view class="u-column-item" v-for="(item, index) in provinces" :key="index">
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<view class="u-line-1">{{ item.label }}</view>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.city">
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<view class="u-column-item" v-for="(item, index) in citys" :key="index">
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<view class="u-line-1">{{ item.label }}</view>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.area">
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<view class="u-column-item" v-for="(item, index) in areas" :key="index">
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<view class="u-line-1">{{ item.label }}</view>
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</view>
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</picker-view-column>
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</picker-view>
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<picker-view v-else-if="mode == 'time'" :value="valueArr" @change="change" class="u-picker-view" @pickstart="pickstart" @pickend="pickend">
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<picker-view-column v-if="!reset && params.year">
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<view class="u-column-item" v-for="(item, index) in years" :key="index">
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{{ item }}
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<text class="u-text" v-if="showTimeTag">年</text>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.month">
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<view class="u-column-item" v-for="(item, index) in months" :key="index">
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{{ formatNumber(item) }}
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<text class="u-text" v-if="showTimeTag">月</text>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.day">
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<view class="u-column-item" v-for="(item, index) in days" :key="index">
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{{ formatNumber(item) }}
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<text class="u-text" v-if="showTimeTag">日</text>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.hour">
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<view class="u-column-item" v-for="(item, index) in hours" :key="index">
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{{ formatNumber(item) }}
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<text class="u-text" v-if="showTimeTag">时</text>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.minute">
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<view class="u-column-item" v-for="(item, index) in minutes" :key="index">
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{{ formatNumber(item) }}
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<text class="u-text" v-if="showTimeTag">分</text>
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</view>
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</picker-view-column>
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<picker-view-column v-if="!reset && params.second">
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<view class="u-column-item" v-for="(item, index) in seconds" :key="index">
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{{ formatNumber(item) }}
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<text class="u-text" v-if="showTimeTag">秒</text>
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</view>
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</picker-view-column>
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</picker-view>
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<picker-view v-else-if="mode == 'selector'" :value="valueArr" @change="change" class="u-picker-view" @pickstart="pickstart" @pickend="pickend">
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<picker-view-column v-if="!reset">
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<view class="u-column-item" v-for="(item, index) in range" :key="index">
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<view class="u-line-1">{{ getItemValue(item, 'selector') }}</view>
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</view>
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</picker-view-column>
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</picker-view>
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<picker-view v-else-if="mode == 'multiSelector'" :value="valueArr" @change="change" class="u-picker-view" @pickstart="pickstart" @pickend="pickend">
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<picker-view-column v-if="!reset" v-for="(item, index) in range" :key="index">
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<view class="u-column-item" v-for="(item1, index1) in item" :key="index1">
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<view class="u-line-1">{{ getItemValue(item1, 'multiSelector') }}</view>
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</view>
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</picker-view-column>
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</picker-view>
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</view>
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</view>
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</u-popup>
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</template>
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<script>
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import provinces from '../../libs/util/province.js';
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import citys from '../../libs/util/city.js';
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import areas from '../../libs/util/area.js';
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/**
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* picker picker弹出选择器
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* @description 此选择器有两种弹出模式：一是时间模式，可以配置年，日，月，时，分，秒参数 二是地区模式，可以配置省，市，区参数
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* @tutorial https://www.uviewui.com/components/picker.html
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* @property {Object} params 需要显示的参数，见官网说明
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* @property {String} mode 模式选择，region-地区类型，time-时间类型（默认time）
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* @property {String Number} start-year 可选的开始年份，mode=time时有效（默认1950）
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* @property {String Number} end-year 可选的结束年份，mode=time时有效（默认2050）
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* @property {Boolean} safe-area-inset-bottom 是否开启底部安全区适配（默认false）
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* @property {Boolean} show-time-tag 时间模式时，是否显示后面的年月日中文提示
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* @property {String} cancel-color 取消按钮的颜色（默认#606266）
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* @property {String} confirm-color 确认按钮的颜色（默认#2979ff）
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* @property {String} default-time 默认选中的时间，mode=time时有效
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* @property {String} confirm-text 确认按钮的文字
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* @property {String} cancel-text 取消按钮的文字
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* @property {String} default-region 默认选中的地区，中文形式，mode=region时有效
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* @property {String} default-code 默认选中的地区，编号形式，mode=region时有效
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* @property {Boolean} mask-close-able 是否允许通过点击遮罩关闭Picker（默认true）
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* @property {String Number} z-index 弹出时的z-index值（默认1075）
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* @property {Array} default-selector 数组形式，其中每一项表示选择了range对应项中的第几个
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* @property {Array} range 自定义选择的数据，mode=selector或mode=multiSelector时有效
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* @property {String} range-key 当range参数的元素为对象时，指定Object中的哪个key的值作为选择器显示内容
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* @event {Function} confirm 点击确定按钮，返回当前选择的值
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* @event {Function} cancel 点击取消按钮，返回当前选择的值
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* @example <u-picker v-model="show" mode="time"></u-picker>
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*/
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export default {
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name: 'u-picker',
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props: {
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// picker中需要显示的参数
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params: {
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type: Object,
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default() {
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return {
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year: true,
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month: true,
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day: true,
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hour: false,
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minute: false,
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second: false,
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province: true,
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city: true,
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area: true,
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timestamp: true,
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};
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}
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},
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// 当mode=selector或者mode=multiSelector时，提供的数组
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range: {
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type: Array,
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default() {
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return [];
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}
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},
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// 当mode=selector或者mode=multiSelector时，提供的默认选中的下标
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defaultSelector: {
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type: Array,
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default() {
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return [0];
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}
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},
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// 当 range 是一个 Array＜Object＞ 时，通过 range-key 来指定 Object 中 key 的值作为选择器显示内容
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rangeKey: {
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type: String,
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default: ''
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},
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// 模式选择，region-地区类型，time-时间类型，selector-单列模式，multiSelector-多列模式
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mode: {
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type: String,
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default: 'time'
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},
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// 年份开始时间
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startYear: {
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type: [String, Number],
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default: 1950
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},
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// 年份结束时间
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endYear: {
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type: [String, Number],
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default: 2050
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},
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// "取消"按钮的颜色
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cancelColor: {
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type: String,
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default: '#606266'
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},
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// "确定"按钮的颜色
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confirmColor: {
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type: String,
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default: '#2979ff'
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},
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// 默认显示的时间，2025-07-02 || 2025-07-02 13:01:00 || 2025/07/02
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defaultTime: {
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type: String,
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default: ''
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},
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// 默认显示的地区，可传类似["河北省", "秦皇岛市", "北戴河区"]
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defaultRegion: {
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type: Array,
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default() {
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return [];
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}
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},
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// 时间模式时，是否显示后面的年月日中文提示
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showTimeTag: {
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type: Boolean,
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default: true
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},
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// 默认显示地区的编码，defaultRegion和areaCode同时存在，areaCode优先，可传类似["13", "1303", "130304"]
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areaCode: {
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type: Array,
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default() {
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return [];
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}
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},
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safeAreaInsetBottom: {
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type: Boolean,
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default: false
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},
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// 是否允许通过点击遮罩关闭Picker
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maskCloseAble: {
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type: Boolean,
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default: true
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},
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// 通过双向绑定控制组件的弹出与收起
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value: {
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type: Boolean,
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default: false
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},
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// 弹出的z-index值
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zIndex: {
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type: [String, Number],
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default: 0
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},
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// 顶部标题
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title: {
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type: String,
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default: ''
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},
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// 取消按钮的文字
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cancelText: {
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type: String,
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default: '取消'
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},
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// 确认按钮的文字
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confirmText: {
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type: String,
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default: '确认'
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}
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},
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data() {
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return {
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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: 0,
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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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reset: false,
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startDate: '',
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endDate: '',
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valueArr: [],
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provinces: provinces,
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citys: citys[0],
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areas: areas[0][0],
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province: 0,
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city: 0,
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area: 0,
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moving: false // 列是否还在滑动中，微信小程序如果在滑动中就点确定，结果可能不准确
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};
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},
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mounted() {
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this.init();
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},
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computed: {
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propsChange() {
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// 引用这几个变量，是为了监听其变化
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return `${this.mode}-${this.defaultTime}-${this.startYear}-${this.endYear}-${this.defaultRegion}-${this.areaCode}`;
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},
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regionChange() {
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// 引用这几个变量，是为了监听其变化
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return `${this.province}-${this.city}`;
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},
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yearAndMonth() {
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return `${this.year}-${this.month}`;
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},
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uZIndex() {
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// 如果用户有传递z-index值，优先使用
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return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
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}
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},
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watch: {
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propsChange() {
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this.reset = true;
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setTimeout(() => this.init(), 10);
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},
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// 如果地区发生变化，为了让picker联动起来，必须重置this.citys和this.areas
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regionChange(val) {
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this.citys = citys[this.province];
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this.areas = areas[this.province][this.city];
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},
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// watch监听月份的变化，实时变更日的天数，因为不同月份，天数不一样
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// 一个月可能有30，31天，甚至闰年2月的29天，平年2月28天
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yearAndMonth(val) {
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if (this.params.year) this.setDays();
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},
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// 微信和QQ小程序由于一些奇怪的原因(故同时对所有平台均初始化一遍)，需要重新初始化才能显示正确的值
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value(n) {
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if (n) {
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this.reset = true;
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setTimeout(() => this.init(), 10);
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}
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}
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},
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methods: {
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// 标识滑动开始，只有微信小程序才有这样的事件
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pickstart() {
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// #ifdef MP-WEIXIN
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this.moving = true;
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// #endif
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},
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// 标识滑动结束
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pickend() {
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// #ifdef MP-WEIXIN
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this.moving = false;
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// #endif
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},
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// 对单列和多列形式的判断是否有传入变量的情况
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getItemValue(item, mode) {
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// 目前(2020-05-25)uni-app对微信小程序编译有错误，导致v-if为false中的内容也执行，错误导致
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// 单列模式或者多列模式中的getItemValue同时被执行，故在这里再加一层判断
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if (this.mode == mode) {
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return typeof item == 'object' ? item[this.rangeKey] : item;
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}
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},
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// 小于10前面补0，用于月份，日期，时分秒等
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formatNumber(num) {
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return +num < 10 ? '0' + num : String(num);
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},
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// 生成递进的数组
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generateArray: function(start, end) {
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// 转为数值格式，否则用户给end-year等传递字符串值时，下面的end+1会导致字符串拼接，而不是相加
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start = Number(start);
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end = Number(end);
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end = end > start ? end : start;
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// 生成数组，获取其中的索引，并剪出来
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return [...Array(end + 1).keys()].slice(start);
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},
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getIndex: function(arr, val) {
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let index = arr.indexOf(val);
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// 如果index为-1(即找不到index值)，~(-1)=-(-1)-1=0，导致条件不成立
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return ~index ? index : 0;
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},
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//日期时间处理
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initTimeValue() {
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// 格式化时间，在IE浏览器(uni不存在此情况)，无法识别日期间的"-"间隔符号
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let fdate = this.defaultTime.replace(/\-/g, '/');
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fdate = fdate && fdate.indexOf('/') == -1 ? `2020/01/01 ${fdate}` : fdate;
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let time = null;
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if (fdate) time = new Date(fdate);
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else time = new Date();
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// 获取年日月时分秒
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this.year = time.getFullYear();
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this.month = Number(time.getMonth()) + 1;
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this.day = time.getDate();
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this.hour = time.getHours();
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this.minute = time.getMinutes();
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this.second = time.getSeconds();
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},
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init() {
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this.valueArr = [];
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this.reset = false;
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if (this.mode == 'time') {
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this.initTimeValue();
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if (this.params.year) {
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this.valueArr.push(0);
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this.setYears();
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}
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if (this.params.month) {
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this.valueArr.push(0);
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this.setMonths();
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}
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if (this.params.day) {
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this.valueArr.push(0);
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this.setDays();
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}
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if (this.params.hour) {
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this.valueArr.push(0);
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this.setHours();
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}
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if (this.params.minute) {
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this.valueArr.push(0);
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this.setMinutes();
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}
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if (this.params.second) {
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this.valueArr.push(0);
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this.setSeconds();
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}
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} else if (this.mode == 'region') {
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if (this.params.province) {
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this.valueArr.push(0);
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this.setProvinces();
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}
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if (this.params.city) {
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this.valueArr.push(0);
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this.setCitys();
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}
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if (this.params.area) {
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this.valueArr.push(0);
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this.setAreas();
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}
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} else if (this.mode == 'selector') {
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this.valueArr = this.defaultSelector;
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} else if (this.mode == 'multiSelector') {
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this.valueArr = this.defaultSelector;
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this.multiSelectorValue = this.defaultSelector;
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}
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this.$forceUpdate();
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},
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// 设置picker的某一列值
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setYears() {
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// 获取年份集合
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this.years = this.generateArray(this.startYear, this.endYear);
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// 设置this.valueArr某一项的值，是为了让picker预选中某一个值
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this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.years, this.year));
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},
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setMonths() {
|
||
this.months = this.generateArray(1, 12);
|
||
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.months, this.month));
|
||
},
|
||
setDays() {
|
||
let totalDays = new Date(this.year, this.month, 0).getDate();
|
||
this.days = this.generateArray(1, totalDays);
|
||
let index = 0;
|
||
// 这里不能使用类似setMonths()中的this.valueArr.splice(this.valueArr.length - 1, xxx)做法
|
||
// 因为this.month和this.year变化时，会触发watch中的this.setDays()，导致this.valueArr.length计算有误
|
||
if (this.params.year && this.params.month) index = 2;
|
||
else if (this.params.month) index = 1;
|
||
else if (this.params.year) index = 1;
|
||
else index = 0;
|
||
// 当月份变化时，会导致日期的天数也会变化，如果原来选的天数大于变化后的天数，则重置为变化后的最大值
|
||
// 比如原来选中3月31日，调整为2月后，日期变为最大29，这时如果day值继续为31显然不合理，于是将其置为29(picker-column从1开始)
|
||
if(this.day > this.days.length) this.day = this.days.length;
|
||
this.valueArr.splice(index, 1, this.getIndex(this.days, this.day));
|
||
},
|
||
setHours() {
|
||
this.hours = this.generateArray(0, 23);
|
||
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.hours, this.hour));
|
||
},
|
||
setMinutes() {
|
||
this.minutes = this.generateArray(0, 59);
|
||
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.minutes, this.minute));
|
||
},
|
||
setSeconds() {
|
||
this.seconds = this.generateArray(0, 59);
|
||
this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.seconds, this.second));
|
||
},
|
||
setProvinces() {
|
||
// 判断是否需要province参数
|
||
if (!this.params.province) return;
|
||
let tmp = '';
|
||
let useCode = false;
|
||
// 如果同时配置了defaultRegion和areaCode，优先使用areaCode参数
|
||
if (this.areaCode.length) {
|
||
tmp = this.areaCode[0];
|
||
useCode = true;
|
||
} else if (this.defaultRegion.length) tmp = this.defaultRegion[0];
|
||
else tmp = 0;
|
||
// 历遍省份数组匹配
|
||
provinces.map((v, k) => {
|
||
if (useCode ? v.value == tmp : v.label == tmp) {
|
||
tmp = k;
|
||
}
|
||
});
|
||
this.province = tmp;
|
||
this.provinces = provinces;
|
||
// 设置默认省份的值
|
||
this.valueArr.splice(0, 1, this.province);
|
||
},
|
||
setCitys() {
|
||
if (!this.params.city) return;
|
||
let tmp = '';
|
||
let useCode = false;
|
||
if (this.areaCode.length) {
|
||
tmp = this.areaCode[1];
|
||
useCode = true;
|
||
} else if (this.defaultRegion.length) tmp = this.defaultRegion[1];
|
||
else tmp = 0;
|
||
citys[this.province].map((v, k) => {
|
||
if (useCode ? v.value == tmp : v.label == tmp) {
|
||
tmp = k;
|
||
}
|
||
});
|
||
this.city = tmp;
|
||
this.citys = citys[this.province];
|
||
this.valueArr.splice(1, 1, this.city);
|
||
},
|
||
setAreas() {
|
||
if (!this.params.area) return;
|
||
let tmp = '';
|
||
let useCode = false;
|
||
if (this.areaCode.length) {
|
||
tmp = this.areaCode[2];
|
||
useCode = true;
|
||
} else if (this.defaultRegion.length) tmp = this.defaultRegion[2];
|
||
else tmp = 0;
|
||
areas[this.province][this.city].map((v, k) => {
|
||
if (useCode ? v.value == tmp : v.label == tmp) {
|
||
tmp = k;
|
||
}
|
||
});
|
||
this.area = tmp;
|
||
this.areas = areas[this.province][this.city];
|
||
this.valueArr.splice(2, 1, this.area);
|
||
},
|
||
close() {
|
||
this.$emit('input', false);
|
||
},
|
||
// 用户更改picker的列选项
|
||
change(e) {
|
||
this.valueArr = e.detail.value;
|
||
let i = 0;
|
||
if (this.mode == 'time') {
|
||
// 这里使用i++，是因为this.valueArr数组的长度是不确定长度的，它根据this.params的值来配置长度
|
||
// 进入if规则，i会加1，保证了能获取准确的值
|
||
if (this.params.year) this.year = this.years[this.valueArr[i++]];
|
||
if (this.params.month) this.month = this.months[this.valueArr[i++]];
|
||
if (this.params.day) this.day = this.days[this.valueArr[i++]];
|
||
if (this.params.hour) this.hour = this.hours[this.valueArr[i++]];
|
||
if (this.params.minute) this.minute = this.minutes[this.valueArr[i++]];
|
||
if (this.params.second) this.second = this.seconds[this.valueArr[i++]];
|
||
} else if (this.mode == 'region') {
|
||
if (this.params.province) this.province = this.valueArr[i++];
|
||
if (this.params.city) this.city = this.valueArr[i++];
|
||
if (this.params.area) this.area = this.valueArr[i++];
|
||
} else if (this.mode == 'multiSelector') {
|
||
let index = null;
|
||
// 对比前后两个数组，寻找变更的是哪一列，如果某一个元素不同，即可判定该列发生了变化
|
||
this.defaultSelector.map((val, idx) => {
|
||
if (val != e.detail.value[idx]) index = idx;
|
||
});
|
||
// 为了让用户对多列变化时，对动态设置其他列的变更
|
||
if (index != null) {
|
||
this.$emit('columnchange', {
|
||
column: index,
|
||
index: e.detail.value[index]
|
||
});
|
||
}
|
||
}
|
||
},
|
||
// 用户点击确定按钮
|
||
getResult(event = null) {
|
||
// #ifdef MP-WEIXIN
|
||
if (this.moving) return;
|
||
// #endif
|
||
let result = {};
|
||
// 只返回用户在this.params中配置了为true的字段
|
||
if (this.mode == 'time') {
|
||
if (this.params.year) result.year = this.formatNumber(this.year || 0);
|
||
if (this.params.month) result.month = this.formatNumber(this.month || 0);
|
||
if (this.params.day) result.day = this.formatNumber(this.day || 0);
|
||
if (this.params.hour) result.hour = this.formatNumber(this.hour || 0);
|
||
if (this.params.minute) result.minute = this.formatNumber(this.minute || 0);
|
||
if (this.params.second) result.second = this.formatNumber(this.second || 0);
|
||
if (this.params.timestamp) result.timestamp = this.getTimestamp();
|
||
} else if (this.mode == 'region') {
|
||
if (this.params.province) result.province = provinces[this.province];
|
||
if (this.params.city) result.city = citys[this.province][this.city];
|
||
if (this.params.area) result.area = areas[this.province][this.city][this.area];
|
||
} else if (this.mode == 'selector') {
|
||
result = this.valueArr;
|
||
} else if (this.mode == 'multiSelector') {
|
||
result = this.valueArr;
|
||
}
|
||
if (event) this.$emit(event, result);
|
||
this.close();
|
||
},
|
||
// 获取时间戳
|
||
getTimestamp() {
|
||
// yyyy-mm-dd为安卓写法，不支持iOS，需要使用"/"分隔，才能二者兼容
|
||
let time = this.year + '/' + this.month + '/' + this.day + ' ' + this.hour + ':' + this.minute + ':' + this.second;
|
||
return new Date(time).getTime() / 1000;
|
||
}
|
||
}
|
||
};
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
@import '../../libs/css/style.components.scss';
|
||
|
||
.u-datetime-picker {
|
||
position: relative;
|
||
z-index: 999;
|
||
}
|
||
|
||
.u-picker-view {
|
||
height: 100%;
|
||
box-sizing: border-box;
|
||
}
|
||
|
||
.u-picker-header {
|
||
width: 100%;
|
||
height: 90rpx;
|
||
padding: 0 40rpx;
|
||
@include vue-flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
box-sizing: border-box;
|
||
font-size: 30rpx;
|
||
background: #fff;
|
||
position: relative;
|
||
}
|
||
|
||
.u-picker-header::after {
|
||
content: '';
|
||
position: absolute;
|
||
border-bottom: 1rpx solid #eaeef1;
|
||
-webkit-transform: scaleY(0.5);
|
||
transform: scaleY(0.5);
|
||
bottom: 0;
|
||
right: 0;
|
||
left: 0;
|
||
}
|
||
|
||
.u-picker__title {
|
||
color: $u-content-color;
|
||
}
|
||
|
||
.u-picker-body {
|
||
width: 100%;
|
||
height: 500rpx;
|
||
overflow: hidden;
|
||
background-color: #fff;
|
||
}
|
||
|
||
.u-column-item {
|
||
@include vue-flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
font-size: 32rpx;
|
||
color: $u-main-color;
|
||
padding: 0 8rpx;
|
||
}
|
||
|
||
.u-text {
|
||
font-size: 24rpx;
|
||
padding-left: 8rpx;
|
||
}
|
||
|
||
.u-btn-picker {
|
||
padding: 16rpx;
|
||
box-sizing: border-box;
|
||
text-align: center;
|
||
text-decoration: none;
|
||
}
|
||
|
||
.u-opacity {
|
||
opacity: 0.5;
|
||
}
|
||
|
||
.u-btn-picker--primary {
|
||
color: $u-type-primary;
|
||
}
|
||
|
||
.u-btn-picker--tips {
|
||
color: $u-tips-color;
|
||
}
|
||
</style>
|