微信小程序时间选择器插件TS版

样式效果

image.png

TS 文件 dateTimePicker.ts

function withData(param: number): string {
  return param < 10 ? '0' + param : '' + param
}

function getLoopArray(start: number, end: number, unit: string): string[] {
  const array = []
  for (let i = start; i <= end; i++) {
    array.push(withData(i) + unit)
  }
  return array
}

export function getMonthDay(year: any, month: any, unit: string) {
  const flag = year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0)
  let array: string[] | string = []
  switch (month) {
    case '01月':
    case '03月':
    case '05月':
    case '07月':
    case '08月':
    case '10月':
    case '12月':
      array = getLoopArray(1, 31, unit)
      break
    case '04月':
    case '06月':
    case '09月':
    case '11月':
      array = getLoopArray(1, 30, unit)
      break
    case '02月':
      array = flag ? getLoopArray(1, 29, unit) : getLoopArray(1, 28, unit)
      break
    default:
      array = '月份格式不正确，请重新输入！'
  }
  return array
}

function getNewDateArry() {
  // 当前时间的处理
  const newDate = new Date()
  const year = withData(newDate.getFullYear()) + '年'
  const mont = withData(newDate.getMonth() + 1) + '月'
  const date = withData(newDate.getDate()) + '日'
  const hour = withData(newDate.getHours()) + '时'
  const minu = withData(newDate.getMinutes()) + '分'
  return [year, mont, date, hour, minu]
}

export function dateTimePicker(startYear: any, endYear: any, date: any): any {
  // 返回默认显示的数组和联动数组的声明
  const dateTime: any = []
  const start = startYear || 1978
  const end = endYear || 2100
  // 默认开始显示数据
  const defaultDate = date ? [...date.split(' ')[0].split('-'), ...date.split(' ')[1].split(':')] : getNewDateArry()
  // 处理联动列表数据
  const dateTimeArray = [
    getLoopArray(start, end, '年'),
    getLoopArray(1, 12, '月'),
    getMonthDay(defaultDate[0], defaultDate[1], '日'),
    getLoopArray(0, 23, '时'),
    getLoopArray(0, 59, '分')
  ]

  dateTimeArray.forEach((item, index) => {
    dateTime.push(item.indexOf(defaultDate[index]))
  })

  return {
    dateTimeArray: dateTimeArray,
    dateTime: dateTime
  }
}

wxml

          <picker mode="multiSelector" value="{{ dateTime }}" bindchange="changeDateStartTime" bindcolumnchange="changeDateTimeColumn" range="{{ dateTimeArray }}">
          </picker>

引用

import { dateTimePicker, getMonthDay } from './dateTimePicker'
data:{
    dateTime: null,
    dateTimeArray: null,
},
 reLoad() {
  /**
   * 获取当前年月日
   */
  getTime() {
    // 获取完整的年月日 时分秒，以及默认显示的数组
    var obj = dateTimePicker(this.data.startYear, this.data.endYear, '')
    var obj1 = dateTimePicker(this.data.startYear, this.data.endYear, '')
    this.setData({
      dateTime: obj.dateTime,
      dateTimeArray: obj.dateTimeArray,
      dateTimeArray1: obj1.dateTimeArray,
      dateTime1: obj1.dateTime
    })
  }
}
//调用方法
  /**
   * 时间选择器
   */
  changeDateTimeColumn(e) {
    const arr = this.data.dateTime
    const dateArr = this.data.dateTimeArray
    arr[e.detail.column] = e.detail.value
    dateArr[2] = getMonthDay(dateArr[0][arr[0]], dateArr[1][arr[1]], '日')
    this.setData({
      dateTimeArray: dateArr
    })
  },

  /**
   * 选中时间
   */
  changeDateStartTime(e) {
    const dateTimeArray = this.data.dateTimeArray
    const dateTime = e.detail.value
    const year = dateTimeArray[0][dateTime[0]].substring(0, 4)
    const month = dateTimeArray[1][dateTime[1]].substring(0, 2)
    const day = dateTimeArray[2][dateTime[2]].substring(0, 2)
    const hour = dateTimeArray[3][dateTime[3]].substring(0, 2)
    const min = dateTimeArray[4][dateTime[4]].substring(0, 2)
    const dates = year + '-' + month + '-' + day + ' ' + hour + ':' + min + ':00'
    const startTime = this.transferTime(dates)
    const timestamp = new Date().getTime()
    if (startTime - timestamp < 0) {
      tip.showToast({
        title: '开始时间不能小于当前时间'
      })
      return
    }
    this.setData({
      'form.startTime': dates
    })
  }