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<template>
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<u-popup :maskCloseAble="maskCloseAble" mode="bottom" :popup="false" v-model="value" length="auto"
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: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" :style="{ color: cancelColor }" hover-class="u-opacity"
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:hover-stay-time="150" @tap="getResult('cancel')">{{cancelText}}</view>
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<view class="u-picker__title">{{ title }}</view>
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<view class="u-btn-picker u-btn-picker--primary" :style="{ color: moving ? cancelColor : confirmColor }"
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hover-class="u-opacity" :hover-stay-time="150" @touchmove.stop="" @tap.stop="getResult('confirm')">
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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 :value="valueArr" @change="change" class="u-picker-view" @pickstart="pickstart"
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@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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</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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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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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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startDate: {
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type: String,
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default: '1899-01-01 00:00:00'
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},
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// 年份结束时间
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endDate: {
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type: String,
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default: '2250-12-31 23:59:59'
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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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// 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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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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format: {
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type: String,
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default: 'yyyy-MM-dd HH:mm:ss'
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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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valueArr: [],
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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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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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// 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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// 生成递进的数组
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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 ? `1899/01/01 ${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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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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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.generateArray('year');
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if (this.years[0] > this.year) this.year = this.years[0]
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if (this.years[this.years.length - 1] < this.year) this.year = this.years[this.years.length - 1]
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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() {
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this.generateArray('month');
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if (this.months[0] > this.month) this.month = this.months[0]
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if (this.months[this.months.length - 1] < this.month) this.month = this.months[this.months.length - 1]
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this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.months, this.month));
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},
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setDays() {
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let totalDays = new Date(this.year, this.month, 0).getDate();
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this.generateArray('day');
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let index = 0;
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// 这里不能使用类似setMonths()中的this.valueArr.splice(this.valueArr.length - 1, xxx)做法
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// 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
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if (this.params.year && this.params.month) index = 2;
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else if (this.params.month) index = 1;
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else if (this.params.year) index = 1;
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else index = 0;
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// 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
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// 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)
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// if (this.day > this.days.length) this.day = this.days.length;
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if (this.days[0] > this.day) this.day = this.days[0]
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if (this.days[this.days.length - 1] < this.day) this.day = this.days[this.days.length - 1]
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this.valueArr.splice(index, 1, this.getIndex(this.days, this.day));
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},
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setHours() {
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this.generateArray('hour');
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if (this.hours[0] > this.hour) this.hour = this.hours[0]
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if (this.hours[this.hours.length - 1] < this.hour) this.hour = this.hours[this.hours.length - 1]
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this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.hours, this.hour));
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},
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setMinutes() {
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this.generateArray('minute');
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if (this.minutes[0] > this.minute) this.minute = this.minutes[0]
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if (this.minutes[this.minutes.length - 1] < this.minute) this.minute = this.minutes[this.minutes.length -
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1]
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this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.minutes, this.minute));
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},
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setSeconds() {
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this.generateArray('second');
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if (this.seconds[0] > this.second) this.second = this.seconds[0]
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if (this.seconds[this.seconds.length - 1] < this.second) this.second = this.seconds[this.seconds.length -
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1]
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this.valueArr.splice(this.valueArr.length - 1, 1, this.getIndex(this.seconds, this.second));
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},
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generateArray(type) {
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let startArr = this.startDate.split(" "); //开始日期时间
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let endArr = this.endDate.split(" "); //结束日期时间
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if (!this.month) this.month = this.months[this.months.length - 1]
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let totalDays = new Date(this.year, this.month, 0).getDate(); //当月天数
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//开始年月日时分秒
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let startDateArr = startArr[0] ? startArr[0].split("-") : []; //开始日期
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let startTimeArr = startArr[1] ? startArr[1].split(":") : []; //开始时间
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let startYear = Number(startDateArr[0]) || 1; //开始年
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let startMonth = Number(startDateArr[1]) || 1; //开始月
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let startDay = Number(startDateArr[2]) || 1; //开始天数
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let startHour = Number(startTimeArr[0]) || 0 //开始小时
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let startMinute = Number(startTimeArr[1]) || 0 //开始分钟
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let startSecond = Number(startTimeArr[2]) || 0 //开始秒
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//结束年月日时分秒
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let endDateArr = endArr[0] ? endArr[0].split("-") : [] //结束日期
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let endTimeArr = endArr[1] ? endArr[1].split(":") : []; //结束时间
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let endYear = Number(endDateArr[0]) || 12; //结束年
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let endMonth = Number(endDateArr[1]) || 12; //结束月
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let endDay = Number(endDateArr[2]) || totalDays; //结束天数
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let endHour = Number(endTimeArr[0]) || 0 //结束小时
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let endMinute = Number(endTimeArr[1]) || 0 //结束分钟
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let endSecond = Number(endTimeArr[2]) || 0 //结束秒
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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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if (type == 'year') {
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startYear = Number(startYear);
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endYear = Number(endYear);
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endYear = endYear > startYear ? endYear : startYear;
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// 生成数组，获取其中的索引，并剪出来
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this.years = [...Array(endYear + 1).keys()].slice(startYear);
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this.generateArray('month')
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} else if (type == 'month') {
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let months = []
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if (startYear == Number(this.year)) {
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|
|
if (endYear == Number(this.year)) { // 起始年份,末尾年份一样时
|
|
|
months = [...Array(endMonth + 1).keys()].slice(startMonth);
|
|
|
} else {
|
|
|
months = [...Array(12 + 1).keys()].slice(startMonth);
|
|
|
}
|
|
|
} else if (endYear == Number(this.year)) {
|
|
|
months = [...Array(endMonth + 1).keys()].slice(1);
|
|
|
} else {
|
|
|
months = [...Array(12 + 1).keys()].slice(1);
|
|
|
}
|
|
|
this.months = months
|
|
|
this.generateArray('day')
|
|
|
} else if (type === 'day') {
|
|
|
let days = []
|
|
|
if (startYear == Number(this.year) && startMonth == Number(this.month)) {
|
|
|
if (endYear == Number(this.year) && endMonth == Number(this
|
|
|
.month)) {
|
|
|
days = [...Array(endDay + 1).keys()].slice(startDay);
|
|
|
} else {
|
|
|
days = [...Array(totalDays + 1).keys()].slice(startDay);
|
|
|
}
|
|
|
} else if (endYear == Number(this.year) && endMonth == Number(this.month)) {
|
|
|
days = [...Array(endDay + 1).keys()].slice(1);
|
|
|
} else {
|
|
|
days = [...Array(totalDays + 1).keys()].slice(1);
|
|
|
}
|
|
|
this.days = days
|
|
|
this.generateArray('hour')
|
|
|
} else if (type === 'hour') {
|
|
|
let hours = []
|
|
|
if (startYear == Number(this.year) && startMonth == Number(this.month) && startDay == Number(
|
|
|
this.day)) {
|
|
|
if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(this
|
|
|
.day)) {
|
|
|
hours = [...Array(endHour + 1).keys()].slice(startHour);
|
|
|
} else {
|
|
|
hours = [...Array(23 + 1).keys()].slice(startHour);
|
|
|
}
|
|
|
} else if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(
|
|
|
this.day)) {
|
|
|
hours = [...Array(endHour + 1).keys()].slice(0);
|
|
|
} else {
|
|
|
hours = [...Array(23 + 1).keys()].slice(0);
|
|
|
}
|
|
|
this.hours = hours
|
|
|
this.generateArray('minute')
|
|
|
} else if (type === 'minute') {
|
|
|
let minutes = []
|
|
|
if (startYear == Number(this.year) && startMonth == Number(this.month) && startDay == Number(
|
|
|
this.day) && startHour == Number(this.hour)) {
|
|
|
if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(this.day) &&
|
|
|
endHour == Number(this.hour)) {
|
|
|
minutes = [...Array(endMinute + 1).keys()].slice(startMinute);
|
|
|
} else {
|
|
|
minutes = [...Array(59 + 1).keys()].slice(startMinute);
|
|
|
}
|
|
|
} else if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(
|
|
|
this.day) && endHour == Number(this.hour)) {
|
|
|
minutes = [...Array(endMinute + 1).keys()].slice(0);
|
|
|
} else {
|
|
|
minutes = [...Array(59 + 1).keys()].slice(0);
|
|
|
}
|
|
|
this.minutes = minutes
|
|
|
this.generateArray('seconds')
|
|
|
} else {
|
|
|
let seconds = []
|
|
|
if (startYear == Number(this.year) && startMonth == Number(this.month) && startDay == Number(
|
|
|
this.day) && startHour == Number(this.hour) && startMinute ==
|
|
|
Number(this.minute)) {
|
|
|
if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(this
|
|
|
.day) && endHour == Number(this.hour) && endMinute ==
|
|
|
Number(this.minute)) {
|
|
|
seconds = [...Array(endSecond + 1).keys()].slice(startSecond);
|
|
|
} else {
|
|
|
seconds = [...Array(59 + 1).keys()].slice(startSecond);
|
|
|
}
|
|
|
} else if (endYear == Number(this.year) && endMonth == Number(this.month) && endDay == Number(this
|
|
|
.day) && endHour == Number(this.hour) && endMinute == Number(
|
|
|
this.minute)) {
|
|
|
seconds = [...Array(endSecond + 1).keys()].slice(0);
|
|
|
} else {
|
|
|
seconds = [...Array(59 + 1).keys()].slice(0);
|
|
|
}
|
|
|
this.seconds = seconds
|
|
|
}
|
|
|
},
|
|
|
close() {
|
|
|
this.$emit('input', false);
|
|
|
},
|
|
|
// 用户更改picker的列选项
|
|
|
change(e) {
|
|
|
this.valueArr = e.detail.value;
|
|
|
let i = 0;
|
|
|
// 这里使用i++，是因为this.valueArr数组的长度是不确定长度的，它根据this.params的值来配置长度
|
|
|
// 进入if规则，i会加1，保证了能获取准确的值
|
|
|
if (this.params.year) {
|
|
|
this.year = this.years[this.valueArr[i++]];
|
|
|
this.generateArray('year')
|
|
|
}
|
|
|
if (this.params.month) {
|
|
|
this.month = this.months[this.valueArr[i++]];
|
|
|
this.generateArray('month')
|
|
|
}
|
|
|
if (this.params.day) {
|
|
|
this.day = this.days[this.valueArr[i++]];
|
|
|
this.generateArray('day')
|
|
|
}
|
|
|
if (this.params.hour) {
|
|
|
this.hour = this.hours[this.valueArr[i++]];
|
|
|
this.generateArray('hour')
|
|
|
}
|
|
|
if (this.params.minute) {
|
|
|
this.minute = this.minutes[this.valueArr[i++]];
|
|
|
this.generateArray('minute')
|
|
|
}
|
|
|
if (this.params.second) {
|
|
|
this.second = this.seconds[this.valueArr[i++]];
|
|
|
this.generateArray('second')
|
|
|
}
|
|
|
},
|
|
|
// 用户点击确定按钮
|
|
|
getResult(event = null) {
|
|
|
// #ifdef MP-WEIXIN
|
|
|
if (this.moving) return;
|
|
|
// #endif
|
|
|
let result = {};
|
|
|
// 只返回用户在this.params中配置了为true的字段
|
|
|
if (this.params.year) result.year = this.formatNumber(this.year || 0);
|
|
|
if (this.params.month) result.month = this.formatNumber(this.month || 0);
|
|
|
if (this.params.day) result.day = this.formatNumber(this.day || 0);
|
|
|
if (this.params.hour) result.hour = this.formatNumber(this.hour || 0);
|
|
|
if (this.params.minute) result.minute = this.formatNumber(this.minute || 0);
|
|
|
if (this.params.second) result.second = this.formatNumber(this.second || 0);
|
|
|
if (this.params.timestamp) result.timestamp = this.getTimestamp();
|
|
|
if (event) this.$emit(event, result);
|
|
|
this.close();
|
|
|
},
|
|
|
// 小于10前面补0，用于月份，日期，时分秒等
|
|
|
formatNumber(num) {
|
|
|
return +num < 10 ? '0' + num : String(num);
|
|
|
},
|
|
|
// 获取时间戳
|
|
|
getTimestamp() {
|
|
|
let format = this.jnpf.handelFormat(this.format)
|
|
|
let timeType = format === 'yyyy' ? '/01/01 00:00:00' : format === 'yyyy-MM' ? '/01 00:00:00' :
|
|
|
format === 'yyyy-MM-dd' ?
|
|
|
' 00:00:00' : ''
|
|
|
// 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 = "";
|
|
|
if (this.params.year && !this.params.month && !this.params.day && !this.params.hour && !this.params
|
|
|
.minute && !this.params.second) {
|
|
|
time = this.year + timeType
|
|
|
} else if (this.params.year && this.params.month && !this.params.day && !this.params.hour && !this.params
|
|
|
.minute && !this.params.second) {
|
|
|
time = this.year + '/' + this.month + timeType
|
|
|
} else if (this.params.year && this.params.month && this.params.day && !this.params.hour && !this.params
|
|
|
.minute && !this.params.second) {
|
|
|
time = this.year + '/' + this.month + '/' + this.day + timeType
|
|
|
} else if (this.params.year && this.params.month && this.params.day && this.params.hour && !this.params
|
|
|
.minute && !this.params.second) {
|
|
|
time = this.year + '/' + this.month + '/' + this.day + " " + this.hour + timeType
|
|
|
} else if (this.params.year && this.params.month && this.params.day && this.params.hour && this.params
|
|
|
.minute && !this.params.second) {
|
|
|
time = this.year + '/' + this.month + '/' + this.day + " " + this.hour + ":" + this.minute + timeType
|
|
|
} else {
|
|
|
time = this.year + '/' + this.month + '/' + this.day + " " + this.hour + ":" + this.minute + ":" + this
|
|
|
.second + timeType
|
|
|
}
|
|
|
return new Date(time).getTime();
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
</script>
|
|
|
|
|
|
<style lang="scss" scoped>
|
|
|
.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;
|
|
|
display: 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 {
|
|
|
display: 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> |
