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// components/date_select.js
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const weekStr = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
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const app = getApp()
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Component({
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/**
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* 组件的属性列表
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*/
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properties: {
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},
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/**
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* 组件的初始数据
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*/
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data: {
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start_date: '',
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end_date: '',
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select_date: '',
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date_range: []
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},
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lifetimes: {
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// 生命周期函数，可以为函数，或一个在methods段中定义的方法名
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attached: function () {
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},
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},
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/**
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* 组件的方法列表
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*/
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methods: {
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setDateRange: function(start_date, end_date){
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let select_date_ok = false
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start_date = new Date(start_date)
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if (isNaN(start_date)) {
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start_date = app.nowDate()
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}
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end_date = new Date(end_date)
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if (isNaN(end_date)) {
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end_date = this.addDay(start_date, 19)
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}
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start_date = new Date(this.dateId(start_date))
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end_date = new Date(this.dateId(end_date))
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let date_range = []
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let current_date = start_date
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while (current_date <= end_date) {
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select_date_ok = select_date_ok || this.data.select_date == this.dateId(current_date)
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date_range.push({
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id: this.dateId(current_date),
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show: this.dateShow(current_date),
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desc: this.dateDesc(current_date),
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})
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current_date = this.addDay(current_date, 1)
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}
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let set_data = { date_range: date_range, start_date: this.dateId(start_date), end_date: this.dateId(end_date)}
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if (!select_date_ok) {
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set_data.select_date = this.dateId(start_date)
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}
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this.setData(set_data)
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},
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change: function(){
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this.triggerEvent('change', { select_date: this.data.select_date }, { })
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},
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tap: function(e){
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this.setData({select_date: e.currentTarget.id})
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this.change()
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},
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addDay: function(date, day){
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return new Date(Date.parse(date) + 86400000 * day)
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},
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formatNumber: function(n) {
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n = n.toString()
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return n[1] ? n : '0' + n
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},
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dateId: function(date){
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const year = date.getFullYear()
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const month = date.getMonth() + 1
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const day = date.getDate()
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return [year, month, day].map(this.formatNumber).join('-')
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},
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dateShow: function (date) {
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const month = date.getMonth() + 1
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const day = date.getDate()
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return [month, day].map(this.formatNumber).join('/')
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},
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dateDesc: function (date) {
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const now = app.nowDate()
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if(this.dateId(now) == this.dateId(date)){
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return "今天"
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}
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return weekStr[date.getDay()]
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}
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}
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})
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