527 lines
15 KiB
Vue
527 lines
15 KiB
Vue
<template>
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<view class="datatime">
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<picker mode="multiSelector" :range="range" range-key="text" @change="change" @tap="cilckPicker" @columnchange="columnchange" :value="value" :disabled="disabled">
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<view class="content flex justify" :class="{ placeholder: !dateStr }">
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<text >{{ dateStr ? dateStr : placeholder }}</text>
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<text class="iconfont icon-xiangyou"></text>
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</view>
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</picker>
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</view>
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</template>
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<script>
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import utils from '@/common/utils.js'; // 封装的工具集
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export default {
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/**
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* 数据
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*/
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props: {
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// 是否禁用
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disabled: {
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type: Boolean,
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default: false
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},
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// 占位符
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placeholder: {
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type: String,
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default: '请选择日期时间'
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},
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// 表示有效日期时间范围的开始，
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// 字符串格式为 "YYYY-MM-DD hh:mm"
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start: {
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type: String,
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default: '1970-1-1 00:00'
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},
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// 表示有效日期时间范围的结束
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// 字符串格式为 "YYYY-MM-DD hh:mm"
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end: {
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type: String,
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default: '2300-1-1 00:00'
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},
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// 表示选择器的粒度，有效值：year | month | day | hour | minute
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fields: {
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type: String,
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default: 'minute'
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},
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// 默认值
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// 字符串格式为 "YYYY-MM-DD hh:mm"
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defaultValue: {
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type: String,
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default: ''
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}
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},
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/**
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* 数据
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*/
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data() {
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return {
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range: [],
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value: [],
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dateStr: '', // 最终显示的字符串
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dtStart: null, // 有效范围开始
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dtEnd: null, // 有效范围结束
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};
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},
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/**
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* 监听数据
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*/
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watch: {
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// 默认值
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defaultValue() {
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// 设置默认值
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this.setDefaultValue();
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}
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},
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/**
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* 组件初次加载完成
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*/
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mounted() {
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this.setStartAndEndTime()
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// 设置默认值
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this.setDefaultValue();
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},
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/**
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* 方法
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*/
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methods: {
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setStartAndEndTime(){
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// 有效日期开始和结束
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let start = this.start;
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let end = this.end;
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// 验证是否是有效的开始和结束日期
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if(!utils.isString(this.start)) {
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start = '1970-1-1 00:00';
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}
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if(!utils.isString(this.start)) {
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start = '2300-1-1 00:00';
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}
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// 将开始日期和结束日期转为 Date
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let dtStart = utils.formatDate(start).dt;
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let dtEnd = utils.formatDate(end).dt;
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// 判断有效日期结束是否大于有效日期开始，如果不是，则将有效日期结束修改为有效日期开始往后300年
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if (dtEnd <= dtStart) {
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dtEnd = utils.formatDate(start).dt;
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dtEnd.setFullYear(dtStart.getFullYear() + 300);
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dtEnd.setDate(dtEnd.getDate() - 1);
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}
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// 更新开始日期和结束日期
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this.dtStart = dtStart;
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this.dtEnd = dtEnd;
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},
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cilckPicker(){
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this.setStartAndEndTime()
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// 设置默认值
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this.setDefaultValue();
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// this.$emit('cilckPicker',)
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},
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/**
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* 确认选择
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*/
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change(event) {
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let year, month, day, hour, minute;
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if(this.fields == 'year') {
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year = this.range[0][this.value[0]].number; // 年
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let dtStr = `${year}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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else if(this.fields == 'month') {
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year = this.range[0][this.value[0]].number; // 年
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month = this.range[1][this.value[1]].number; // 月
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let dtStr = `${year}-${month}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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else if(this.fields == 'day') {
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year = this.range[0][this.value[0]].number; // 年
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month = this.range[1][this.value[1]].number; // 月
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day = this.range[2][this.value[2]].number; // 日
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let dtStr = `${year}-${month}-${day}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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else if(this.fields == 'hour') {
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year = this.range[0][this.value[0]].number; // 年
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month = this.range[1][this.value[1]].number; // 月
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day = this.range[2][this.value[2]].number; // 日
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hour = this.range[3][this.value[3]].number; // 时
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day = this.range[2][this.value[2]].number; // 日
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let dtStr = `${year}-${month}-${day} ${hour}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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else if(this.fields == 'minute') {
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year = this.range[0][this.value[0]].number; // 年
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month = this.range[1][this.value[1]].number; // 月
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day = this.range[2][this.value[2]].number; // 日
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hour = this.range[3][this.value[3]].number; // 时
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minute = this.range[4][this.value[4]].number; // 分
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let dtStr = `${year}-${month}-${day} ${hour}:${minute}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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else if(this.fields == 'second') {
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year = this.range[0][this.value[0]].number; // 年
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month = this.range[1][this.value[1]].number; // 月
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day = this.range[2][this.value[2]].number; // 日
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hour = this.range[3][this.value[3]].number; // 时
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minute = this.range[4][this.value[4]].number; // 分
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second = this.range[5][this.value[5]].number; // 秒
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let dtStr = `${year}-${month}-${day} ${hour}:${minute}:${second}`;
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this.setDateStr(dtStr);
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this.$emit('change', utils.formatDate(dtStr));
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return;
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}
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},
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/**
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* 设置显示的值
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* @param {Date|String} date 日期字符串或日期对象
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*/
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setDateStr(date) {
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let dt = utils.formatDate(date);
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if(this.fields == 'year') {
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this.dateStr = `${dt.YYYY}年`;
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return;
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}
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if(this.fields == 'month') {
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this.dateStr = `${dt.YYYY}年${dt.MM}月`;
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return;
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}
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if(this.fields == 'day') {
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this.dateStr = `${dt.YYYY}年${dt.MM}月${dt.DD}日`;
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return;
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}
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if(this.fields == 'hour') {
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this.dateStr = `${dt.YYYY}年${dt.MM}月${dt.DD}日 ${dt.hh}时`;
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return;
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}
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this.dateStr = `${dt.YYYY}-${dt.MM}-${dt.DD} ${dt.hh}:${dt.mm}`;
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},
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/**
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* 设置年数据
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*/
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setYearData() {
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// 有效日期
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let yearStart = this.dtStart.getFullYear();
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let yearEnd = this.dtEnd.getFullYear();
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// 年
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let years = [];
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for (let year = yearStart; year <= yearEnd; year++) {
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let item = {
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number: year,
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text: `${year}年`,
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};
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years.push(item);
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}
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this.range.splice(0, 1, years);
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},
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/**
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* 设置月数据
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* @param {Number} year 年
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*/
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setMonthData(year) {
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// 有效日期
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let yearStart = this.dtStart.getFullYear();
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let monthStart = this.dtStart.getMonth() + 1;
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let yearEnd = this.dtEnd.getFullYear();
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let monthEnd = this.dtEnd.getMonth() + 1;
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// 月
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let months = [];
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let monthStartIndex = year == yearStart ? monthStart : 1;
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let monthEndIndex = year == yearEnd ? monthEnd : 12;
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for (let month = monthStartIndex; month <= monthEndIndex; month++) {
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let item = {
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number: month,
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text: `${month}月`,
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};
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months.push(item);
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}
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this.range.splice(1, 1, months);
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},
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/**
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* 设置日数据
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* @param {Number} year 年
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* @param {Number} month 月
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*/
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setDayData(year, month) {
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// 有效日期
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let yearStart = this.dtStart.getFullYear();
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let monthStart = this.dtStart.getMonth() + 1;
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let dayStart = this.dtStart.getDate();
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let yearEnd = this.dtEnd.getFullYear();
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let monthEnd = this.dtEnd.getMonth() + 1;
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let dayEnd = this.dtEnd.getDate();
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// 日
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let days = [];
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let dayStartIndex = year == yearStart && month == monthStart ? dayStart : 1;
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let dayEndIndex;
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if(year == yearEnd && month == monthEnd) {
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dayEndIndex = dayEnd;
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} else {
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dayEndIndex = (new Date(year, month, 0)).getDate();
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}
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for (let day = dayStartIndex; day <= dayEndIndex; day++) {
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let item = {
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number: day,
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text: `${day}日`,
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};
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days.push(item);
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}
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this.range.splice(2, 1, days);
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},
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/**
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* 设置时数据
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* @param {Number} year 年
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* @param {Number} month 月
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* @param {Number} day 日
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*/
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setHourData(year, month, day) {
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// 有效日期
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let yearStart = this.dtStart.getFullYear();
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let monthStart = this.dtStart.getMonth() + 1;
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let dayStart = this.dtStart.getDate();
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let hourStart = this.dtStart.getHours();
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let yearEnd = this.dtEnd.getFullYear();
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let monthEnd = this.dtEnd.getMonth() + 1;
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let dayEnd = this.dtEnd.getDate();
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let hourEnd = this.dtEnd.getHours();
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// 时
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let hours = [];
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let hourStartIndex = year == yearStart && month == monthStart && day == dayStart ? hourStart : 0;
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let hourEndIndex = year == yearEnd && month == monthEnd && day == dayEnd ? hourEnd : 23;
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for (let hour = hourStartIndex; hour <= hourEndIndex; hour++) {
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let item = {
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number: hour,
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text: `${hour}时`,
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};
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hours.push(item);
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}
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this.range.splice(3, 1, hours);
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},
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/**
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* 设置分数据
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* @param {Number} year 年
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* @param {Number} month 月
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* @param {Number} day 日
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* @param {Number} hour 时
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*/
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setMinuteData(year, month, day, hour) {
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// 有效日期
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let yearStart = this.dtStart.getFullYear();
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let monthStart = this.dtStart.getMonth() + 1;
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let dayStart = this.dtStart.getDate();
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let hourStart = this.dtStart.getHours();
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let minuteStart = this.dtStart.getMinutes();
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let yearEnd = this.dtEnd.getFullYear();
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let monthEnd = this.dtEnd.getMonth() + 1;
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let dayEnd = this.dtEnd.getDate();
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let hourEnd = this.dtEnd.getHours();
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let minuteEnd = this.dtEnd.getMinutes();
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// 分
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let minutes = [];
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let minuteStartIndex = year == yearStart && month == monthStart && day == dayStart && hour == hourStart ? minuteStart : 0;
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let minuteEndIndex = year == yearEnd && month == monthEnd && day == dayEnd && hour == hourEnd ? minuteEnd : 59;
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for(let minute = minuteStartIndex; minute <= minuteEndIndex; minute++) {
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let item = {
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number: minute,
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text: `${minute}分`,
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}
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minutes.push(item);
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}
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this.range.splice(4, 1, minutes);
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},
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/**
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* 设置默认值
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*/
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setDefaultValue() {
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// 默认日期
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let dtDefault;
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// 开始日期和结束日期
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let dtStart = this.dtStart;
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let dtEnd = this.dtEnd;
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// 判断是否传了默认日期
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// 传了默认日期，格式化默认日期为日期对象
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if(this.defaultValue) {
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dtDefault = utils.formatDate(this.defaultValue).dt;
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}
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// 如果没有传默认日期，将默认日期设置为当前日期
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else {
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dtDefault = new Date();
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}
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// 如果默认日期不在有效日期范围内，设置默认日期为有效日期开始值
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if (dtDefault < dtStart || dtDefault > dtEnd) {
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dtDefault = dtStart;
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}
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// 更新 dateStr
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if(this.defaultValue) this.setDateStr(dtDefault);
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// 默认值相关数据
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let dfYear = dtDefault.getFullYear();
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let dfMonth = dtDefault.getMonth() + 1;
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let dfDay = dtDefault.getDate();
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let dfHour = dtDefault.getHours();
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let dfMinute = dtDefault.getMinutes();
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// 设置年数据
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this.setYearData();
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// 设置 Year 这一列的 value 值
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let yearIndex = this.range[0].findIndex(year => {
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return dfYear == year.number;
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});
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this.value.splice(0, 1, yearIndex >= 0 ? yearIndex : 0);
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// 设置月数据
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if(this.fields == 'year') return;
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this.setMonthData(dfYear);
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// 设置 Month 这一列的 value 值
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let monthIndex = this.range[1].findIndex(month => {
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return dfMonth == month.number;
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});
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this.value.splice(1, 1, monthIndex >=0 ? monthIndex : 0);
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// 设置日数据
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if(this.fields == 'month') return;
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this.setDayData(dfYear, dfMonth);
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// 设置 Day 这一列的 value 值
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let dayIndex = this.range[2].findIndex(day => {
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return dfDay == day.number;
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});
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this.value.splice(2, 1, dayIndex >=0 ? dayIndex : 0);
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// 设置时数据
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if(this.fields == 'day') return;
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this.setHourData(dfYear, dfMonth, dfDay);
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// 设置 Hour 这一列的 value 值
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let hourIndex = this.range[3].findIndex(hour => {
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return dfHour == hour.number;
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});
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this.value.splice(3, 1, hourIndex >=0 ? hourIndex : 0);
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// 设置分数据
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if(this.fields == 'hour') return;
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this.setMinuteData(dfYear, dfMonth, dfDay, dfHour);
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// 设置 Minute 这一列的 value 值
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let minuteIndex = this.range[4].findIndex(minute => {
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return dfMinute == minute.number;
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});
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this.value.splice(4, 1, minuteIndex >=0 ? minuteIndex : 0);
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},
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/**
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* 某一列的值改变时触发
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* @param {Number} event.detail.column 表示改变了第几列（下标从0开始）
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* @param {Number} event.detail.value 表示变更值的下标
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*/
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columnchange(event) {
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let columnIndex = event.detail.column; // 改变的列的下标
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let valueIndex = event.detail.value; // 变更值的下标
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// 更新改变列的 value
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this.value.splice(columnIndex, 1, valueIndex);
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// 改变年要更新月数据
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if(this.fields == 'year') return;
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if (columnIndex == 0) {
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// 当前选择的月
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let monthBeforeUpdate = this.range[1][this.value[1]];
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// 更新月数据
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this.setMonthData(this.range[0][this.value[0]].number);
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// 更新 Month Value
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let monthIndex = this.range[1].findIndex(month => {
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return month.number == monthBeforeUpdate.number;
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});
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this.value.splice(1, 1, monthIndex >= 0 ? monthIndex : 0);
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}
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// 改变年、月都要更新日数据
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if(this.fields == 'month') return;
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if (columnIndex == 0 || columnIndex == 1) {
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// 当前选择的日
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let dayBeforeUpdate = this.range[2][this.value[2]];
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// 更新日数据
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this.setDayData(this.range[0][this.value[0]].number, this.range[1][this.value[1]].number);
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// 更新 Day Value
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let dayIndex = this.range[2].findIndex(day => {
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return day.number == dayBeforeUpdate.number;
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});
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this.value.splice(2, 1, dayIndex >= 0 ? dayIndex : 0);
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}
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// 改变年、月、日都要更新时数据
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if(this.fields == 'day') return;
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if (columnIndex == 0 || columnIndex == 1 || columnIndex == 2) {
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// 当前选择的时
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let hourBeforeUpdate = this.range[3][this.value[3]];
|
||
// 更新时数据
|
||
this.setHourData(this.range[0][this.value[0]].number, this.range[1][this.value[1]].number, this.range[2][this.value[2]].number);
|
||
// 更新 Hour Value
|
||
let hourIndex = this.range[3].findIndex(hour => {
|
||
return hour.number == hourBeforeUpdate.number;
|
||
});
|
||
this.value.splice(3, 1, hourIndex >= 0 ? hourIndex : 0);
|
||
}
|
||
|
||
// 当前选择的分
|
||
if(this.fields == 'hour') return;
|
||
let minuteBeforeUpdate = this.range[4][this.value[4]];
|
||
// 更新分数据
|
||
this.setMinuteData(this.range[0][this.value[0]].number, this.range[1][this.value[1]].number, this.range[2][this.value[2]].number, this.range[3][this.value[3]].number);
|
||
// 更新 Minute Value
|
||
let minuteIndex = this.range[4].findIndex(minute => {
|
||
return minute.number == minuteBeforeUpdate.number;
|
||
});
|
||
this.value.splice(4, 1, minuteIndex >= 0 ? minuteIndex : 0);
|
||
},
|
||
}
|
||
};
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
.content {
|
||
text-align: left;
|
||
}
|
||
|
||
.placeholder {
|
||
color: #bfbfcd;
|
||
}
|
||
|
||
</style> |