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WXML
《
{{date}}
》
{{item}}
{{x.date === today?'今天':x.day}}
{{x.date === today?'今天':x.day}}
{{x.date === today?'今天':x.day}}
{{x.date === today?'今天':x.day}}
CSS
/* pages/calendar/calendar.wxss */
.container {
height: 100vh;
background-color: #393E44;
}
.days-table {
flex-wrap: wrap;
align-content: flex-start;
}
.calendar{
position: fixed;
z-index:10000;
background: #393E44;
}
.grid {
width: 107.14rpx;
height: 100rpx;
text-align: center;
line-height: 100rpx;
font-size:.7rem;
color:#fff;
}
.today {
color: #88a1fd;
}
.grid view {
height:85rpx;
line-height: 85rpx;
width:85rpx;
}
.choice view{
border-radius: 50%;
background: #88a1fd;
background-position:center;
color: white;
}
/* 非本月日期 */
.notCurrent {
color: silver;
}
.day-hover {
background: red;
}
.swpier-box {
height: 550rpx;
width: 100%;
}
.arrow {
width: 100rpx;
color: #88a1fd;
text-align: center;
}
.year-and-month{
color: #88a1fd;
}
.flex {
display: flex;
}
/* 轴向 */
.column {
flex-direction: column;
}
/* 主轴方向 */
.m-start {
justify-content: flex-start;
}
.m-end {
justify-content: flex-end;
}
.m-around {
justify-content: space-around;
}
.m-between {
justify-content: space-between;
}
.m-center {
justify-content: center;
}
/* 侧轴方向 */
.s-start {
align-items: flex-start;
}
.s-end {
align-items: flex-end;
}
.s-around {
align-items: space-around;
}
.s-between {
align-items: space-between;
}
.s-center {
align-items: center;
}JS
// pages/calendar/calendar.js
'use strict';
let choose_year = null,
choose_month = null;
const conf = {
data: {
day: '',
year: '',
month: '',
date: '2017-01',
today: '',
week: ['日', '一', '二', '三', '四', '五', '六'],
calendar: {
first: [],
second: [],
third: [],
fourth: []
},
swiperMap: ['first', 'second', 'third', 'fourth'],
swiperIndex: 1,
showCaldenlar: false
},
onLoad() {
const date = new Date()
, month = this.formatMonth(date.getMonth() + 1)
, year = date.getFullYear()
, day = this.formatDay(date.getDate())
, today = `${year}-${month}-${day}`
let calendar = this.generateThreeMonths(year, month)
this.setData({
calendar,
month,
year,
day,
today,
beSelectDate: today,
date: `${year}-${month}`
})
},
showCaldenlar() {
this.setData({
showCaldenlar: !this.data.showCaldenlar
})
},
/**
*
* 左右滑动
* @param {any} e
*/
swiperChange(e) {
const lastIndex = this.data.swiperIndex
, currentIndex = e.detail.current
let flag = false
, { year, month, day, today, date, calendar, swiperMap } = this.data
, change = swiperMap[(lastIndex + 2) % 4]
, time = this.countMonth(year, month)
, key = 'lastMonth'
if (lastIndex > currentIndex) {
lastIndex === 3 && currentIndex === 0
? flag = true
: null
} else {
lastIndex === 0 && currentIndex === 3
? null
: flag = true
}
if (flag) {
key = 'nextMonth'
}
year = time[key].year
month = time[key].month
date = `${year}-${month}`
day = ''
if (today.indexOf(date) !== -1) {
day = today.slice(-2)
}
time = this.countMonth(year, month)
calendar[change] = null
calendar[change] = this.generateAllDays(time[key].year, time[key].month)
this.setData({
swiperIndex: currentIndex,
//文档上不推荐这么做，但是滑动并不会改变current的值，所以随之而来的计算会出错
year,
month,
date,
day,
calendar
})
},
/**
*
* 点击切换月份，生成本月视图以及临近两个月的视图
* @param {any} year
* @param {any} month
* @returns {object} calendar
*/
generateThreeMonths(year, month) {
let { swiperIndex, swiperMap, calendar } = this.data
, thisKey = swiperMap[swiperIndex]
, lastKey = swiperMap[swiperIndex - 1 === -1 ? 3 : swiperIndex - 1]
, nextKey = swiperMap[swiperIndex + 1 === 4 ? 0 : swiperIndex + 1]
, time = this.countMonth(year, month)
delete calendar[lastKey]
calendar[lastKey] = this.generateAllDays(time.lastMonth.year, time.lastMonth.month)
delete calendar[thisKey]
calendar[thisKey] = this.generateAllDays(time.thisMonth.year, time.thisMonth.month)
delete calendar[nextKey]
calendar[nextKey] = this.generateAllDays(time.nextMonth.year, time.nextMonth.month)
return calendar
},
bindDayTap(e) {
let { month, year } = this.data
, time = this.countMonth(year, month)
, tapMon = e.currentTarget.dataset.month
, day = e.currentTarget.dataset.day
if (tapMon == time.lastMonth.month) {
this.changeDate(time.lastMonth.year, time.lastMonth.month)
} else if (tapMon == time.nextMonth.month) {
this.changeDate(time.nextMonth.year, time.nextMonth.month)
} else {
this.setData({
day
})
}
let beSelectDate = e.currentTarget.dataset.date;
this.setData({
beSelectDate,
showCaldenlar: false
})
},
bindDateChange(e) {
if (e.detail.value === this.data.date) {
return
}
const month = e.detail.value.slice(-2)
, year = e.detail.value.slice(0, 4)
this.changeDate(year, month)
},
prevMonth(e) {
let { year, month } = this.data
, time = this.countMonth(year, month)
this.changeDate(time.lastMonth.year, time.lastMonth.month)
},
nextMonth(e) {
let { year, month } = this.data
, time = this.countMonth(year, month)
this.changeDate(time.nextMonth.year, time.nextMonth.month)
},
/**
*
* 直接改变日期
* @param {any} year
* @param {any} month
*/
changeDate(year, month) {
let { day, today } = this.data
, calendar = this.generateThreeMonths(year, month)
, date = `${year}-${month}`
date.indexOf(today) === -1
? day = '01'
: day = today.slice(-2)
this.setData({
calendar,
day,
date,
month,
year,
})
},
/**
*
* 月份处理
* @param {any} year
* @param {any} month
* @returns
*/
countMonth(year, month) {
let lastMonth = {
month: this.formatMonth(parseInt(month) - 1)
}
, thisMonth = {
year,
month,
num: this.getNumOfDays(year, month)
}
, nextMonth = {
month: this.formatMonth(parseInt(month) + 1)
}
lastMonth.year = parseInt(month) === 1 && parseInt(lastMonth.month) === 12
? `${parseInt(year) - 1}`
: year + ''
lastMonth.num = this.getNumOfDays(lastMonth.year, lastMonth.month)
nextMonth.year = parseInt(month) === 12 && parseInt(nextMonth.month) === 1
? `${parseInt(year) + 1}`
: year + ''
nextMonth.num = this.getNumOfDays(nextMonth.year, nextMonth.month)
return {
lastMonth,
thisMonth,
nextMonth
}
},
currentMonthDays(year, month) {
const numOfDays = this.getNumOfDays(year, month)
return this.generateDays(year, month, numOfDays)
},
/**
* 生成上个月应显示的天
* @param {any} year
* @param {any} month
* @returns
*/
lastMonthDays(year, month) {
const lastMonth = this.formatMonth(parseInt(month) - 1)
, lastMonthYear = parseInt(month) === 1 && parseInt(lastMonth) === 12
? `${parseInt(year) - 1}`
: year
, lastNum = this.getNumOfDays(lastMonthYear, lastMonth) //上月天数
let startWeek = this.getWeekOfDate(year, month - 1, 1) //本月1号是周几
, days = []
if (startWeek == 7) {
return days
}
const startDay = lastNum - startWeek
return this.generateDays(lastMonthYear, lastMonth, lastNum, { startNum: startDay, notCurrent: true })
},
/**
* 生成下个月应显示天
* @param {any} year
* @param {any} month
* @returns
*/
nextMonthDays(year, month) {
const nextMonth = this.formatMonth(parseInt(month) + 1)
, nextMonthYear = parseInt(month) === 12 && parseInt(nextMonth) === 1
? `${parseInt(year) + 1}`
: year
, nextNum = this.getNumOfDays(nextMonthYear, nextMonth) //下月天数
let endWeek = this.getWeekOfDate(year, month) //本月最后一天是周几
, days = []
, daysNum = 0
if (endWeek == 6) {
return days
} else if (endWeek == 7) {
daysNum = 6
} else {
daysNum = 6 - endWeek
}
return this.generateDays(nextMonthYear, nextMonth, daysNum, { startNum: 1, notCurrent: true })
},
/**
*
* 生成一个月的日历
* @param {any} year
* @param {any} month
* @returns Array
*/
generateAllDays(year, month) {
let lastMonth = this.lastMonthDays(year, month)
, thisMonth = this.currentMonthDays(year, month)
, nextMonth = this.nextMonthDays(year, month)
, days = [].concat(lastMonth, thisMonth, nextMonth)
return days
},
/**
*
* 生成日详情
* @param {any} year
* @param {any} month
* @param {any} daysNum
* @param {boolean} [option={
* startNum:1,
* grey: false
* }]
* @returns Array 日期对象数组
*/
generateDays(year, month, daysNum, option = {
startNum: 1,
notCurrent: false
}) {
const weekMap = ['一', '二', '三', '四', '五', '六', '日']
let days = []
for (let i = option.startNum; i <= daysNum; i++) {
let week = weekMap[new Date(year, month - 1, i).getUTCDay()]
let day = this.formatDay(i)
days.push({
date: `${year}-${month}-${day}`,
event: false,
day,
week,
month,
year
})
}
return days
},
/**
*
* 获取指定月第n天是周几 |
* 9月第1天： 2017, 08, 1 |
* 9月第31天：2017, 09, 0
* @param {any} year
* @param {any} month
* @param {number} [day=0] 0为最后一天，1为第一天
* @returns number 周 1-7,
*/
getWeekOfDate(year, month, day = 0) {
let dateOfMonth = new Date(year, month, 0).getUTCDay() + 1;
dateOfMonth == 7 ? dateOfMonth = 0 : '';
return dateOfMonth;
},
/**
*
* 获取本月天数
* @param {number} year
* @param {number} month
* @param {number} [day=0] 0为本月0最后一天的
* @returns number 1-31
*/
getNumOfDays(year, month, day = 0) {
return new Date(year, month, day).getDate()
},
/**
*
* 月份处理
* @param {number} month
* @returns format month MM 1-12
*/
formatMonth(month) {
let monthStr = ''
if (month > 12 || month < 1) {
monthStr = Math.abs(month - 12) + ''
} else {
monthStr = month + ''
}
monthStr = `${monthStr.length > 1 ? '' : '0'}${monthStr}`
return monthStr
},
formatDay(day) {
return `${(day + '').length > 1 ? '' : '0'}${day}`
}
}
Page(conf)关于微信小程序中怎么自定义一个可滑动的日历界面就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。
文章标题：微信小程序中怎么自定义一个可滑动的日历界面
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http://kswjz.com/article/jscphj.html
