【转】微信小程序日期时间选择器（年月日时分秒）_小程序日历年分

公司需要用到秒
但是小程序提供的只到分钟
vantui也只到分钟，真的是有问题啊
从网上找了一个试了试可以用如下：

<picker mode="multiSelector" value="{{dateTime1}}" bindchange="changeDateTime1" bindcolumnchange="changeDateTimeColumn1" range="{{dateTimeArray1}}">
     <view class="text">
        {{dateTimeArray1[0][dateTime1[0]]}}-{{dateTimeArray1[1][dateTime1[1]]}}-{{dateTimeArray1[2][dateTime1[2]]}} {{dateTimeArray1[3][dateTime1[3]]}}:{{dateTimeArray1[4][dateTime1[4]]}}:{{dateTimeArray1[5][dateTime1[5]]}}
     </view>
</picker>
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data: {
    dateTimeArray1: null,
    dateTime1: null,
    startYear: null,
    endYear: null,
  },
onLoad: function(options) {
    let that = this;
   
    // 获取完整的年月日 时分秒，以及默认显示的数组
    var obj = dateTimePicker.dateTimePicker(this.data.startYear, this.data.endYear);
    var obj1 = dateTimePicker.dateTimePicker(this.data.startYear, this.data.endYear);
    // 精确到分的处理，将数组的秒去掉
    //var lastArray = obj1.dateTimeArray.pop();
    //var lastTime = obj1.dateTime.pop();

    this.setData({
      dateTimeArray1: obj1.dateTimeArray,
      dateTime1: obj1.dateTime
    });
  },
  // 选择日期时间
  changeDateTime1(e) {
    this.setData({
      dateTime1: e.detail.value
    });
  },
  changeDateTimeColumn1(e) {
    var arr = this.data.dateTime1,
      dateArr = this.data.dateTimeArray1;

    arr[e.detail.column] = e.detail.value;
    dateArr[2] = dateTimePicker.getMonthDay(dateArr[0][arr[0]], dateArr[1][arr[1]]);

    this.setData({
      dateTimeArray1: dateArr,
      dateTime1: arr

    });
  },
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需要引入的文件： var dateTimePicker = require(‘…/…/utils/dateTimePicker.js’);

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
  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, seco];
}
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;
  // 默认开始显示数据
  var defaultDate = date ? [...date.split(' ')[0].split('-'), ...date.split(' ')[1].split(':')] : 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);

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

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