const formatNumber = n => {

  n = n.toString()

  return n[] ? n : '' + n

}

function getLoopArray(start, end) {

  var start = start || ;

  var end = end || ;

  var array = [];

  for (var i = start; i <= end; i++) {

    array.push(formatNumber(i));

  }

  return array;

}

function getNewTimeArry() {

  // 当前时间的处理

  var newDate = new Date();

  var hour = formatNumber(newDate.getHours()),

    minu = formatNumber(newDate.getMinutes()),

    seco = formatNumber(newDate.getSeconds());

  return [hour, minu, seco];

}

function timePicker(date) {

  // 返回默认显示的数组和联动数组的声明

  var time = [];

  var timeArray = [[], [], []];

  // 默认开始显示数据

  var defaultTime = date ? [...date.split(':')] : getNewTimeArry();

  // 处理联动列表数据

  /*时分秒*/

  timeArray[] = getLoopArray(, );

  timeArray[] = getLoopArray(, );

  timeArray[] = getLoopArray(, );

  timeArray.forEach((current, index) => {

    time.push(current.indexOf(defaultTime[index]));

  });

  return {

    timeArray: timeArray,

    time:time,

  }

}

module.exports = {

  timePicker: timePicker

}

const formatTime = date => {

  const year = date.getFullYear()

  const month = date.getMonth() +

  const day = date.getDate()

  const hour = date.getHours()

  const minute = date.getMinutes()

  const second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')

}

const formatDay = date => {

  const year = date.getFullYear()

  const month = date.getMonth() +

  const day = date.getDate()

  return [year, month, day].map(formatNumber).join('-')

}

// 时分秒

const formatTimeN = date => {

  const hour = date.getHours()

  const minute = date.getMinutes()

  const second = date.getSeconds()

  return [hour, minute, second].map(formatNumber).join(':')

}

const formatNumber = n => {

  n = n.toString()

  return n[] ? n : '' + n

}

module.exports = {

  formatTime: formatTime,

  formatDay: formatDay,

  formatTimeN: formatTimeN,

  formatNumber: formatNumber

}

<view class="dateM item-con">

        <text>时间：</text>

        <picker mode="multiSelector" value="{{startTime}}" bindchange="startTimeChange" bindcolumnchange="startTimeColumn" range="{{startTimeArray}}">

          <view class="picker">

            {{startTimeArray[][startTime[]]}}:{{startTimeArray[][startTime[]]}}:{{startTimeArray[][startTime[]]}}

          </view>

        </picker>

</view>

// pages/sign-input/sign-input.js

var util = require("../../utils/util");

var timePicker = require('../../utils/timePicker.js');

var nowDate = new Date();

Page({

  /**

   * 页面的初始数据

   */

  data: {

    dateY: util.formatDay(nowDate), // 日期

    startTime: util.formatTimeN(nowDate),

    dateM: '', // 时间

    temperature: '',

    bloodSugar: '',

    bloodPressure: '',

    urineVolume: '',

    intakeVolume: '',

    liquidOutput: '',

    stoolFrequency: ''

  },

  formSubmit: function (e) {

    var submitSign = e.detail.value

    submitSign.dateY = this.data.dateY

    var startTime = this.data.startTime

    for (var i = ; i < startTime.length; i++) {

      startTime[i] = util.formatNumber(startTime[i])

    }

    submitSign.dateM = startTime.join(":")

    var storageSignList = wx.getStorageSync('signList');

    storageSignList.push(submitSign)

    wx.setStorageSync('signList', storageSignList)

    this.toastShow()

    this.formReset()

  },

  formReset: function () {

    var dataY = util.formatDay(nowDate)

    var obj = timePicker.timePicker(util.formatTimeN(nowDate));

    this.setData({

      dateY: dataY,

      startTime: obj.time,

      startTimeArray: obj.timeArray,

      temperature: '',

      bloodSugar: '',

      bloodPressure: '',

      urineVolume: '',

      intakeVolume: '',

      liquidOutput: '',

      stoolFrequency: ''

    })

  },

  // 选择时间的时候触发

  startTimeColumn(e) {

    var startTimeArr = this.data.startTime;

    startTimeArr[e.detail.column] = e.detail.value

    this.setData({

      startTime: startTimeArr

    });

  },

  // 确定的时候触发

  startTimeChange: function (e) {

    var startTimeArr = this.data.startTime;

    startTimeArr[e.detail.column] = e.detail.value;

    this.setData({

      startTime: startTimeArr

    });

  },

  // 提示信息

  toastShow () {

    wx.lin.showToast({

      title: '添加成功~',

      icon: 'success',

      iconStyle: 'color:#7ec699; size: 60',

    })

  },

  /**

   * 生命周期函数--监听页面加载

   */

  onLoad: function (options) {

    console.log(util.formatTimeN(nowDate))

    // 获取时分秒数组，在页面中显示

    var obj = timePicker.timePicker(util.formatTimeN(nowDate));

    this.setData({

      startTimeArray: obj.timeArray,

      startTime: obj.time

    });

  }

})