微信小程序日期时间选择器使用方法全攻略

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

Page({

 data: {

 date: '2018-10-01',

 time: '12:00',

 dateTimeArray: null,

 dateTime: null,

 dateTimeArray1: null,

 dateTime1: null,

 startYear: 2000,

 endYear: 2050

 },

 onLoad(){

 // 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({

  dateTime: obj.dateTime,

  dateTimeArray: obj.dateTimeArray,

  dateTimeArray1: obj1.dateTimeArray,

  dateTime1: obj1.dateTime

 });

 },

 changeDate(e){

 this.setData({ date:e.detail.value});

 },

 changeTime(e){

 this.setData({ time: e.detail.value });

 },

 changeDateTime(e){

 this.setData({ dateTime: e.detail.value });

 },

 changeDateTime1(e) {

 this.setData({ dateTime1: e.detail.value });

 },

 changeDateTimeColumn(e){

 var arr = this.data.dateTime, dateArr = this.data.dateTimeArray;

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

 dateArr[2] = dateTimePicker.getMonthDay(dateArr[0][arr[0]], dateArr[1][arr[1]]);

 this.setData({

  dateTimeArray: dateArr,

  dateTime: arr

 });

 },

 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

 });

 }

})

function withData(param){

 return param < 10 ? &#39;0&#39; + param : &#39;&#39; + 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

}