微信小程序日历面板插件

// components/calendar/calendar.js
var util = require('../../utils/util.js')
Component({
/**
* 组件的属性列表
*/
properties: {
currentYear: { // 当前显示的年
type: Number,
value: new Date().getFullYear()
},
currentMonth: { // // 当前显示的月
type: Number,
value: new Date().getMonth() + 1
},
nowYear: { // // 当前显示的月
type: Number,
value: new Date().getFullYear()
},
nowMonth: { // // 当前显示的月
type: Number,
value: new Date().getMonth() + 1
},
nowDate: { // // 当前显示的月
type: Number,
value: new Date().getDate()
}
}, /**
* 组件的初始数据
*/
data: {
currentMonthDateLen: 0, // 当月天数
preMonthDateLen: 0, // 当月中，上月多余天数
allArr:[], //
nowData:""
},
ready(){
this.getAllArr()
},
onLoad: function () {
// 调用函数时，传入new Date()参数，返回值是日期和时间
var time = util.formatTime(new Date());
// 再通过setData更改Page()里面的data，动态更新页面的数据
this.setData({
nowData: time
});
consolelog("this.data.nowData")
console.log(this.data.nowData)
}, /**
* 组件的方法列表
*/
methods: {
// 获取某年某月总共多少天
getDateLen(year, month) {
let actualMonth = month - 1;
let timeDistance = +new Date(year, month) - +new Date(year, actualMonth);
return timeDistance / (1000 * 60 * 60 * 24);
},
// 获取某月1号是周几
getFirstDateWeek(year, month) {
return new Date(year, month - 1, 1).getDay()
},
// 上月 年、月
preMonth(year, month) {
if (month == 1) {
return {
year: --year,
month: 12
}
} else {
return {
year: year,
month: --month
}
}
},
// 下月 年、月
nextMonth(year, month) {
if (month == 12) {
return {
year: ++year,
month: 1
}
} else {
return {
year: year,
month: ++month
}
}
},
// 获取当月数据，返回数组
getCurrentArr(){
let currentMonthDateLen = this.getDateLen(this.data.currentYear, this.data.currentMonth) // 获取当月天数
let currentMonthDateArr = [] // 定义空数组
if (currentMonthDateLen > 0) {
for (let i = 1; i <= currentMonthDateLen; i++) {
currentMonthDateArr.push({
month: 'current', // 只是为了增加标识，区分上下月
date: i
})
}
}
this.setData({
currentMonthDateLen
})
return currentMonthDateArr
},
// 获取当月中，上月多余数据，返回数组
getPreArr(){
let preMonthDateLen = this.getFirstDateWeek(this.data.currentYear, this.data.currentMonth) // 当月1号是周几 == 上月残余天数）
let preMonthDateArr = [] // 定义空数组
if (preMonthDateLen > 0) {
let { year, month } = this.preMonth(this.data.currentYear, this.data.currentMonth) // 获取上月 年、月
let date = this.getDateLen(year, month) // 获取上月天数
for (let i = 0; i < preMonthDateLen; i++) {
preMonthDateArr.unshift({ // 尾部追加
month: 'pre', // 只是为了增加标识，区分当、下月
date: date
})
date--
}
}
this.setData({
preMonthDateLen
})
return preMonthDateArr
},
// 获取当月中，下月多余数据，返回数组
getNextArr() {
let nextMonthDateLen = 35 - this.data.preMonthDateLen - this.data.currentMonthDateLen // 下月多余天数
let nextMonthDateArr = [] // 定义空数组
if (nextMonthDateLen > 0) {
for (let i = 1; i <= nextMonthDateLen; i++) {
nextMonthDateArr.push({
month: 'next',// 只是为了增加标识，区分当、上月
date: i
})
}
}
return nextMonthDateArr
},
// 整合当月所有数据
getAllArr(){
let preArr = this.getPreArr()
let currentArr = this.getCurrentArr()
let nextArr = this.getNextArr()
let allArr = [...preArr, ...currentArr, ...nextArr]
this.setData({
allArr
})
let sendObj = {
currentYear: this.data.currentYear,
currentMonth: this.data.currentMonth,
nowYear: this.data.nowYear,
nowMonth: this.data.nowMonth,
nowDate: this.data.nowDate,
allArr: allArr
}
// console.log(sendObj)
this.triggerEvent('sendObj', sendObj)
},
// 点击 上月
gotoPreMonth(){
let { year, month } = this.preMonth(this.data.currentYear, this.data.currentMonth)
this.setData({
currentYear: year,
currentMonth: month
})
this.getAllArr()
},
// 点击 下月
gotoNextMonth() {
let { year, month } = this.nextMonth(this.data.currentYear, this.data.currentMonth)
this.setData({
currentYear: year,
currentMonth: month
})
this.getAllArr()
},
getNowData(e) {
var data = e.currentTarget.dataset.day;
var currency = e.currentTarget.dataset.currency;
if (currency==1){
this.setData({
nowYear: this.data.currentYear,
nowMonth: this.data.currentMonth,
nowDate: data
})
}
this.getAllArr() }
}})

.calendar{
width: 100%;
background:#fff;
}
.pre,.next{
color:white;
background:#1CA2FC;
border-radius:100px;
height:20px;
width:20px;
text-align:center;
line-height: 20px;}
.showData{
display: flex;
justify-content: center;
align-items: center;
box-sizing: border-box;
padding-left: 25rpx;
padding-right:25rpx;
}
.showData view{
width: 14%;
height: 70rpx;
line-height: 70rpx;
text-align: center;
flex-shrink:;
font-size: 30rpx;
color: #2A2A2A;
/* background: rgb(224, 199, 199); */
}
.calendar .tit{
display: flex;
justify-content: center;
align-items: center;
padding: 40rpx 0;}
.current{
font-size: 36rpx;
color: #1CA2FC;
font-weight: bold;
}
.calendar .tit .current{
margin: 0 40rpx;
}
.calendar .content{
display: flex;
flex-wrap: wrap;
box-sizing: border-box;
padding-left: 25rpx;
padding-right:25rpx;
}
.calendar .content .itemData{
width: 14.2%;
height: 70rpx;
line-height: 70rpx;
flex-shrink:;
font-size: 30rpx;
color: #2A2A2A;
text-align:center;
display:flex;
align-items:center;
justify-content:center; /* background: rgb(224, 199, 199); */
}
.calendar .content .gray{
color: #999;
}

<view class="calendar">
<view class='tit'>
<view class='pre' bindtap='gotoPreMonth'>{{'<'}}</view>
<view class='current'>{{currentYear}}-{{currentMonth}}</view>
<view class='next' bindtap='gotoNextMonth'>{{'>'}}</view>
</view>
<view class='w100P showData'>
<view style='color: #999'>日</view>
<view>一</view>
<view>二</view>
<view>三</view>
<view>四</view>
<view>五</view>
<view style='color: #999'>六</view>
</view>
<view class='content'>
<!-- <view
wx:for="{{allArr}}"
wx:key="{{index}}"
class="{{item.month == 'current' ? '' : 'gray'}}"
style="{{item.date==currentDay?'color:#fff;background:#1CA2FC':''}}"
>{{item.date}}</view> -->
<view wx:for="{{allArr}}" wx:key="{{index}}" class='itemData' data-currency="{{item.month == 'current' ? '1' : '0'}}" data-day='{{item.date}}' bindtap='getNowData'>
<view class="{{item.month == 'current' ? '' : 'gray'}}" style="height:20px;width:20px;line-height:20px;{{item.month == 'current'&&nowYear==currentYear&&currentMonth==nowMonth&&item.date==nowDate?'color:#fff;background:#1CA2FC;border-radius:100px':''}}"
>{{item.date}}</view>
</view >
</view>
</view>

{
"component": true,
"usingComponents": {}
}

const formatTime = date => {
const year = date.getFullYear()
const month = date.getMonth() + 1
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 formatNumber = n => {
n = n.toString()
return n[1] ? n : '0' + n
}module.exports = {
formatTime: formatTime
}

{
"navigationBarTitleText": "历史数据",
"usingComponents": {
"calendar": "/component/calendar/calendar"
}
}

<calendar currentYear='2018' currentMonth="8" nowYear="2018" nowMonth="8" nowDate="2" bindsendObj='getCalendarData'></calendar>

getCalendarData(e) { // 监听日历数据
console.log(e.detail)
}