327 lines
10 KiB
Vue
327 lines
10 KiB
Vue
<template>
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<uni-popup
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ref="popup"
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type="bottom"
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borderRadius="10px 10px 0 0"
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background-color="#FFFFFF"
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:mask-click="maskClick"
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>
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<view class="popup-content">
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<view class="popup-header">
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<view class="btn-cancel" @click="cancel">取消</view>
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<view class="title">{{ title }}</view>
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<view class="btn-confirm" @click="confirm">确认</view>
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</view>
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<view class="popup-list">
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<picker-view
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indicator-style="height: 84rpx;"
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:value="selectedIndex"
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@change="bindChange"
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class="picker-view"
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>
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<picker-view-column>
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<view
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v-for="(year, index) in years"
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:key="index"
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class="item"
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:class="{ 'item-active': selectedIndex[0] === index }"
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>
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<text>{{ year }}</text>
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<text>年</text>
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</view>
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</picker-view-column>
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<picker-view-column>
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<view
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v-for="(month, index) in months"
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:key="index"
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class="item"
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:class="{ 'item-active': selectedIndex[1] === index }"
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>
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<text>{{ month }}</text>
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<text>月</text>
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</view>
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</picker-view-column>
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<picker-view-column>
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<view
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v-for="(day, index) in days"
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:key="index"
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class="item"
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:class="{ 'item-active': selectedIndex[2] === index }"
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>
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<text>{{ day }}</text>
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<text>日</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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</uni-popup>
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</template>
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<script>
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export default {
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name: 'datePicker',
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data() {
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return {
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maskClick: false,
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title: '选择日期',
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confirmCallback: null,
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cancelCallback: null,
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changeCallback: null,
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selectedIndex: [0, 0, 0],
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selectedDate: '',
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// 日期数据
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years: [],
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months: [],
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days: [],
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// 配置
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startYear: 0,
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endYear: 0,
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};
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},
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created() {
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this.initDateData();
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},
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methods: {
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// 初始化日期数据
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initDateData() {
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const currentYear = new Date().getFullYear();
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this.startYear = currentYear - 50; // 往前50年
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this.endYear = currentYear + 10; // 往后10年
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// 生成年份
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this.years = [];
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for (let i = this.startYear; i <= this.endYear; i++) {
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this.years.push(i);
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}
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// 生成月份
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this.months = [];
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for (let i = 1; i <= 12; i++) {
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this.months.push(i);
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}
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// 初始天数（默认当前年月）
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this.updateDays(this.years[0], this.months[0]);
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},
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// 根据年月更新天数
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updateDays(year, month) {
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const daysInMonth = new Date(year, month, 0).getDate();
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this.days = [];
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for (let i = 1; i <= daysInMonth; i++) {
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this.days.push(i);
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}
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},
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open(config = {}) {
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const {
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title = '选择日期',
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success,
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cancel,
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change,
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maskClick = false,
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defaultDate = '',
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} = config;
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this.reset();
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this.title = title;
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if (typeof success === 'function') this.confirmCallback = success;
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if (typeof cancel === 'function') this.cancelCallback = cancel;
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if (typeof change === 'function') this.changeCallback = change;
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this.maskClick = maskClick;
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// 设置默认选中
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this.setDefaultDate(defaultDate);
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this.$nextTick(() => {
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this.$refs.popup.open();
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});
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},
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close() {
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this.$refs.popup.close();
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},
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// 设置默认日期
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setDefaultDate(dateStr) {
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if (!dateStr) {
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// 没有默认日期，使用当前日期
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const now = new Date();
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const year = now.getFullYear();
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const month = now.getMonth() + 1;
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const day = now.getDate();
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this.selectedIndex = [
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this.years.findIndex(y => y === year),
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this.months.findIndex(m => m === month),
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this.days.findIndex(d => d === day)
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];
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} else {
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// 解析日期字符串 (支持 YYYY-MM-DD 格式)
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const [year, month, day] = dateStr.split('-').map(Number);
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this.selectedIndex = [
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this.years.findIndex(y => y === year),
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this.months.findIndex(m => m === month),
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this.days.findIndex(d => d === day)
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];
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}
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// 确保索引有效
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this.selectedIndex = this.selectedIndex.map((index, i) =>
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index === -1 ? 0 : index
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);
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this.updateSelectedDate();
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},
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bindChange(e) {
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this.selectedIndex = e.detail.value;
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// 检查是否需要更新天数
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const oldDaysLength = this.days.length;
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const selectedYear = this.years[this.selectedIndex[0]];
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const selectedMonth = this.months[this.selectedIndex[1]];
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this.updateDays(selectedYear, selectedMonth);
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// 如果天数变化且当前选择的日期超过新月份的天数，调整日期索引
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if (this.days.length !== oldDaysLength && this.selectedIndex[2] >= this.days.length) {
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this.selectedIndex[2] = this.days.length - 1;
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}
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this.updateSelectedDate();
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// 触发change回调
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this.changeCallback && this.changeCallback(this.selectedDate, this.selectedIndex);
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},
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// 更新选中的日期字符串
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updateSelectedDate() {
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const year = this.years[this.selectedIndex[0]];
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const month = this.months[this.selectedIndex[1]].toString().padStart(2, '0');
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const day = this.days[this.selectedIndex[2]].toString().padStart(2, '0');
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this.selectedDate = `${year}-${month}-${day}`;
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},
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cancel() {
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this.clickCallback(this.cancelCallback);
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},
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confirm() {
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this.clickCallback(this.confirmCallback);
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},
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async clickCallback(callback) {
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if (typeof callback !== 'function') {
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this.$refs.popup.close();
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return;
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}
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try {
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const result = await callback(this.selectedDate, this.selectedIndex);
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if (result !== false) {
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this.$refs.popup.close();
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}
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} catch (error) {
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console.error('callback 执行出错:', error);
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}
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},
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reset() {
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this.maskClick = false;
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this.confirmCallback = null;
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this.cancelCallback = null;
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this.changeCallback = null;
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this.selectedIndex = [0, 0, 0];
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this.selectedDate = '';
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this.title = '选择日期';
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},
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// 设置日期范围
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setDateRange(startYear, endYear) {
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this.startYear = startYear;
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this.endYear = endYear;
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// 重新生成年份
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this.years = [];
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for (let i = this.startYear; i <= this.endYear; i++) {
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this.years.push(i);
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}
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// 重置选中索引
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this.selectedIndex[0] = 0;
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this.updateDays(this.years[0], this.months[0]);
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.popup-content {
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color: #000000;
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height: 50vh;
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}
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.popup-list {
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display: flex;
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flex-direction: row;
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flex-wrap: nowrap;
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align-items: center;
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justify-content: space-evenly;
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flex: 1;
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overflow: hidden;
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.picker-view {
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width: 100%;
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height: calc(50vh - 100rpx);
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margin-top: 20rpx;
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.uni-picker-view-mask {
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background: rgba(0, 0, 0, 0);
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}
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.item {
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line-height: 84rpx;
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height: 84rpx;
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text-align: center;
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font-weight: 400;
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font-size: 32rpx;
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color: #cccccc;
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8rpx;
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}
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.item-active {
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color: #333333;
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}
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.uni-picker-view-indicator:after {
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border-color: #e3e3e3;
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}
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.uni-picker-view-indicator:before {
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border-color: #e3e3e3;
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}
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}
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}
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.popup-header {
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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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padding: 40rpx 40rpx 10rpx 40rpx;
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.title {
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font-weight: 500;
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font-size: 36rpx;
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color: #333333;
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text-align: center;
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}
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.btn-cancel {
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font-weight: 400;
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font-size: 32rpx;
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color: #666d7f;
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line-height: 38rpx;
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}
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.btn-confirm {
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font-weight: 400;
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font-size: 32rpx;
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color: #256bfa;
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}
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}
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</style> |