uniapp实现日期时间选择器

function withData(param){
  return param < 10 ? '0' + param : '' + param;
}
function getLoopArray(start,end){
  var start = start || 0;
  var end = end || 1;
  var array = [];
  for (var i = start; i <= end; i++) {
    array.push(withData(i));
  }
  return array;
}
function getMonthDay(year,month){
  var flag = year % 400 == 0 || (year % 4 == 0 && year % 100 != 0), array = null;

  switch (month) {
    case '01':
    case '03':
    case '05':
    case '07':
    case '08':
    case '10':
    case '12':
      array = getLoopArray(1, 31)
      break;
    case '04':
    case '06':
    case '09':
    case '11':
      array = getLoopArray(1, 30)
      break;
    case '02':
      array = flag ? getLoopArray(1, 29) : getLoopArray(1, 28)
      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 年月日时分秒
  var newDate = new Date();
  var year = withData(newDate.getFullYear()),
      mont = withData(newDate.getMonth() + 1),
      date = withData(newDate.getDate()),
      hour = withData(newDate.getHours()),
      minu = withData(newDate.getMinutes());
      // seco = withData(newDate.getSeconds());

  return [year, mont, date, hour, minu];
}
function dateTimePicker(startYear,endYear,date) {
  // 返回默认显示的数组和联动数组的声明
  var dateTime = [], dateTimeArray = [[],[],[],[],[]];
  var start = startYear || 1978;
  var end = endYear || 2100;
 
 //处理传过来的字符串转化为数组
 let dataArr = date.split(" ")[0].split('/')
 let time = date.split(" ")[1].split(':')
  // 默认开始显示数据 如果把自定义值传过来的话就使用自定义时间 否则用当前时间  ...dataArr数组解构
  var defaultDate = date ? [...dataArr, ...time] : getNewDateArry();
 
  // 处理联动列表数据
  /*年月日 时分秒*/
  dateTimeArray[0] = getLoopArray(start,end);
  dateTimeArray[1] = getLoopArray(1, 12);
  dateTimeArray[2] = getMonthDay(defaultDate[0], defaultDate[1]);
  dateTimeArray[3] = getLoopArray(0, 23);
  dateTimeArray[4] = getLoopArray(0, 59);
  // dateTimeArray[5] = getLoopArray(0, 59);
 
 //遍历dateTimeArray数组
  dateTimeArray.forEach((current,index) =>
  //匹配defaultDate[index]值在current数组中的位置
    dateTime.push(current.indexOf(defaultDate[index]))
  );

  return {
    dateTimeArray: dateTimeArray,
    dateTime: dateTime
  }
}
module.exports = {
  dateTimePicker: dateTimePicker,
  getMonthDay: getMonthDay
}

<picker mode="multiSelector" :range="dateTimeArray"  v-model="dateTime" @change="change" @columnchange="columnchange">
 <view>
  //disable = "true" 是禁用input 防止点击弹出键盘
  <input type="text" disabled="true" v-model="upTower" placeholder="请选择时间" placeholder-class="inputPlace" />
 </view>
</picker>

//引入事先声明的类
const dateTimePicker = require('@/util/dateTimePicker.js')
 export default {
  data() {
   return {
    // 时间选择器
    dateTimeArray: null,
    dateTime: null,
    startYear: 2000,
    endYear: 2050,
   };
  },
  onLoad() {
   //传入开始展示年份startYear 结束展示年份endYear
   //自定义开始显示时间
   let arr = '2018/09/01 13:00'
   let obj = dateTimePicker.dateTimePicker(this.startYear, this.endYear,arr)
   this.dateTimeArray = obj.dateTimeArray
   this.dateTime = obj.dateTime
  },
  methods: {
   //时间格式化
   withData(param){
    return param < 10 ? '0' + param : '' + param;
   },
   change(e){
    let value = []
    e.detail.value.forEach((val,index) => {
     value.push(this.withData(val))
    })
    let dateArray = "20" + value[0] + "-" + value[1] + "-" + value[2] + " " + value[3] + ":" + value[4]
    this.upTower = dateArray
   },
   columnchange(e){
    let dateArr = this.dateTimeArray
    let arr = this.dateTime
    //滑动所在列的数据并对其值进行更新
    arr[e.detail.column] = e.detail.value
    //更新展示月份对应的天数（28 or 29 or 30 or 31）
    dateArr[2] = dateTimePicker.getMonthDay(dateArr[0][arr[0]], dateArr[1][arr[1]])
    //最后把最新的数值赋值到dateTimeArray
    this.dateTimeArray = dateArr
    this.dateTime = arr
   },