vue日历组件封装，可全选，可单选，并可以取各自的值_vue日期选择组件
本人分享一下这次字节跳动、美团、头条等大厂的面试真题涉及到的知识点，以及我个人的学习方法、学习路线等，当然也整理了一些学习文档资料出来是给大家的。知识点涉及比较全面，包括但不限于前端基础，HTML，CSS，JavaScript，Vue，ES6，HTTP，浏览器，算法等等开源分享：【大厂前端面试题解析+核心总结学习笔记+真实项目实战+最新讲解视频】efault!important;important
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}
},
// 是否显示农历
lunar: {
type: Boolean,
default: false
},
// 自定义星期名称
weeks: {
type: Array,
default:function(){
return window.navigator.language.toLowerCase() == "zh-cn"?['日', '一', '二', '三', '四', '五', '六']:['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
}
},
// 自定义月份
months:{
type: Array,
default:function(){
return window.navigator.language.toLowerCase() == "zh-cn"?['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']:['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
}
},
// 自定义事件
events: {
type: Object,
default: function(){
return {}
}
},
},
data() {
return {
years:[],
yearsShow:false,
year: 0,
month: 0,
day: 0,
days: [],
multiDays:[],
today: [],
festival:{
lunar:{
"1-1":"春节",
"1-15":"元宵节",
"2-2":"龙头节",
"5-5":"端午节",
"7-7":"七夕节",
"7-15":"中元节",
"8-15":"中秋节",
"9-9":"重阳节",
"10-1":"寒衣节",
"10-15":"下元节",
"12-8":"腊八节",
"12-23":"祭灶节",
},
gregorian:{
"1-1":"元旦",
"2-14":"情人节",
"3-8":"妇女节",
"3-12":"植树节",
"4-5":"清明节",
"5-1":"劳动节",
"5-4":"青年节",
"6-1":"儿童节",
"7-1":"建党节",
"8-1":"建军节",
"9-10":"教师节",
"10-1":"国庆节",
"12-24":"平安夜",
"12-25":"圣诞节",
},
},
rangeBegin:[],
rangeEnd:[],
}
},
watch:{
events(){
this.render(this.year,this.month)
},
value(){
this.init();
}
},
mounted() {
this.init()
},
methods: {
init(){
if (this.month === 0) {
let now = new Date();
this.year = now.getFullYear()
this.month = now.getMonth()
this.day = now.getDate()
} else {
if (this.value.length>0) {
if (this.range) { //范围
this.year = parseInt(this.value[0][0])
this.month = parseInt(this.value[0][1]) - 1
this.day = parseInt(this.value[0][2])
let year2 = parseInt(this.value[1][0])
let month2 = parseInt(this.value[1][1]) - 1
let day2 = parseInt(this.value[1][2])
this.rangeBegin = [this.year, this.month,this.day]
this.rangeEnd = [year2, month2 , day2]
}else if(this.multi){//多选
this.multiDays=this.value;
this.year = parseInt(this.value[0][0])
this.month = parseInt(this.value[0][1]) - 1
this.day = parseInt(this.value[0][2])
}else{ //单选
this.year = parseInt(this.value[0])
this.month = parseInt(this.value[1]) - 1
this.day = parseInt(this.value[2])
}
}
}
this.render(this.year, this.month)
},
// 渲染日期
render(y, m) {
let firstDayOfMonth = new Date(y, m, 1).getDay() //当月第一天
let lastDateOfMonth = new Date(y, m + 1, 0).getDate() //当月最后一天
let lastDayOfLastMonth = new Date(y, m, 0).getDate() //最后一月的最后一天
this.year = y
let seletSplit = this.value
let i, line = 0,temp = [],nextMonthPushDays = 1
for (i = 1; i <= lastDateOfMonth; i++) {
let day = new Date(y, m, i).getDay() //返回星期几（0～6）
let k
// 第一行
if (day == 0) {
temp[line] = []
} else if (i == 1) {
temp[line] = []
k = lastDayOfLastMonth - firstDayOfMonth + 1
for (let j = 0; j < firstDayOfMonth; j++) {
// console.log("第一行",lunarYear,lunarMonth,lunarValue,lunarInfo)
temp[line].push(Object.assign(
{day: k,disabled: true},
this.getLunarInfo(this.computedPrevYear(),this.computedPrevMonth(true),k),
this.getEvents(this.computedPrevYear(),this.computedPrevMonth(true),k),
))
k++;
}
}
if (this.range) { // 范围
// console.log("日期范围",this.getLunarInfo(this.year,this.month+1,i))
let options = Object.assign(
{day: i},
this.getLunarInfo(this.year,this.month+1,i),
this.getEvents(this.year,this.month+1,i),
)
if (this.rangeBegin.length > 0) {
let beginTime = Number(new Date(this.rangeBegin[0], this.rangeBegin[1], this.rangeBegin[2]))
let endTime = Number(new Date(this.rangeEnd[0], this.rangeEnd[1], this.rangeEnd[2]))
let stepTime = Number(new Date(this.year, this.month, i))
if (beginTime <= stepTime && endTime >= stepTime) {
options.selected = true
}
}
if (this.begin.length>0) {
let beginTime = Number(new Date(parseInt(this.begin[0]),parseInt(this.begin[1]) - 1,parseInt(this.begin[2])))
if (beginTime > Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.end.length>0){
let endTime = Number(new Date(parseInt(this.end[0]),parseInt(this.end[1]) - 1,parseInt(this.end[2])))
if (endTime < Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.disabled.length>0){
if (this.disabled.filter(v => {return this.year === v[0] && this.month === v[1]-1 && i === v[2] }).length>0) {
options.disabled = true
}
}
temp[line].push(options)
}else if(this.multi){//多选
let options
// 判断是否选中
if(this.value.filter(v => {return this.year === v[0] && this.month === v[1]-1 && i === v[2] }).length>0 ){
options = Object.assign({day: i,selected:true},this.getLunarInfo(this.year,this.month+1,i),this.getEvents(this.year,this.month+1,i))
}else{
options = Object.assign({day: i,selected:false},this.getLunarInfo(this.year,this.month+1,i),this.getEvents(this.year,this.month+1,i))
if (this.begin.length>0) {
let beginTime = Number(new Date(parseInt(this.begin[0]),parseInt(this.begin[1]) - 1,parseInt(this.begin[2])))
if (beginTime > Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.end.length>0){
let endTime = Number(new Date(parseInt(this.end[0]),parseInt(this.end[1]) - 1,parseInt(this.end[2])))
if (endTime < Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.disabled.length>0){
if (this.disabled.filter(v => {return this.year === v[0] && this.month === v[1]-1 && i === v[2] }).length>0) {
options.disabled = true
}
}
}
temp[line].push(options)
} else { // 单选
// console.log(this.lunar(this.year,this.month,i));
let chk = new Date()
let chkY = chk.getFullYear()
let chkM = chk.getMonth()
// 匹配上次选中的日期
if (parseInt(seletSplit[0]) == this.year && parseInt(seletSplit[1]) - 1 == this.month && parseInt(seletSplit[2]) == i) {
// console.log("匹配上次选中的日期",lunarYear,lunarMonth,lunarValue,lunarInfo)
temp[line].push(Object.assign(
{day: i,selected: true},
this.getLunarInfo(this.year,this.month+1,i),
this.getEvents(this.year,this.month+1,i),
))
this.today = [line, temp[line].length - 1]
}
// 没有默认值的时候显示选中今天日期
else if (chkY == this.year && chkM == this.month && i == this.day && this.value == "") {
// console.log("今天",lunarYear,lunarMonth,lunarValue,lunarInfo)
temp[line].push(Object.assign(
{day: i,selected: true},
this.getLunarInfo(this.year,this.month+1,i),
this.getEvents(this.year,this.month+1,i),
))
this.today = [line, temp[line].length - 1]
}else{
// 普通日期
// console.log("设置可选范围",i,lunarYear,lunarMonth,lunarValue,lunarInfo)
let options = Object.assign(
{day: i,selected:false},
this.getLunarInfo(this.year,this.month+1,i),
this.getEvents(this.year,this.month+1,i),
)
if (this.begin.length>0) {
let beginTime = Number(new Date(parseInt(this.begin[0]),parseInt(this.begin[1]) - 1,parseInt(this.begin[2])))
if (beginTime > Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.end.length>0){
let endTime = Number(new Date(parseInt(this.end[0]),parseInt(this.end[1]) - 1,parseInt(this.end[2])))
if (endTime < Number(new Date(this.year, this.month, i))) options.disabled = true
}
if (this.disabled.length>0){
if (this.disabled.filter(v => {return this.year === v[0] && this.month === v[1]-1 && i === v[2] }).length>0) {
options.disabled = true
}
}
temp[line].push(options)
}
}
// 到周六换行
if (day == 6 && i < lastDateOfMonth) {
line++
}else if (i == lastDateOfMonth) {
// line++
let k = 1
for (let d=day; d < 6; d++) {
// console.log(this.computedNextYear()+"-"+this.computedNextMonth(true)+"-"+k)
temp[line].push(Object.assign(
{day: k,disabled: true},
this.getLunarInfo(this.computedNextYear(),this.computedNextMonth(true),k),
this.getEvents(this.computedNextYear(),this.computedNextMonth(true),k),
))
k++
}
// 下个月除了补充的前几天开始的日期
nextMonthPushDays=k
}
} //end for
// console.log(this.year+"/"+this.month+"/"+this.day+":"+line)
// 补充第六行让视觉稳定
// if(line<=5 && nextMonthPushDays>0){
// // console.log({nextMonthPushDays:nextMonthPushDays,line:line})
// for (let i = line+1; i<=5; i++) {
// temp[i] = []
// let start=nextMonthPushDays+(i-line-1)*7
// for (let d=start; d <= start+6; d++) {
// temp[i].push(Object.assign(
// {day: d,disabled: true},
// this.getLunarInfo(this.computedNextYear(),this.computedNextMonth(true),d),
// this.getEvents(this.computedNextYear(),this.computedNextMonth(true),d),
// ))
// }
// }
// }
this.days = temp
},
computedPrevYear(){
let value=this.year
if(this.month-1<0){
value--
}
return value
},
computedPrevMonth(isString){
let value=this.month
if(this.month-1<0){
value=11
}else{
value--
}
// 用于显示目的（一般月份是从0开始的）
if(isString){
return value+1
}
return value
},
computedNextYear(){
let value=this.year
if(this.month+1>11){
value++
}
return value
},
computedNextMonth(isString){
let value=this.month
if(this.month+1>11){
value=0
}else{
value++
}
// 用于显示目的（一般月份是从0开始的）
if(isString){
return value+1
}
return value
},
// 获取农历信息
getLunarInfo(y,m,d){
let lunarInfo=calendar.solar2lunar(y,m,d)
let lunarValue=lunarInfo.IDayCn
// console.log(lunarInfo)
let isLunarFestival=false
let isGregorianFestival=false
if(this.festival.lunar[lunarInfo.lMonth+"-"+lunarInfo.lDay]!=undefined){
lunarValue=this.festival.lunar[lunarInfo.lMonth+"-"+lunarInfo.lDay]
isLunarFestival=true
}else if(this.festival.gregorian[m+"-"+d]!=undefined){
lunarValue=this.festival.gregorian[m+"-"+d]
isGregorianFestival=true
}
return {
lunar:lunarValue,
isLunarFestival:isLunarFestival,
isGregorianFestival:isGregorianFestival,
}
},
// 获取自定义事件
getEvents(y,m,d){
if(Object.keys(this.events).length==0)return false;
let eventName=this.events[y+"-"+m+"-"+d]
let data={}
if(eventName!=undefined){
data.eventName=eventName
}
return data
},
// 上月
prev(e) {
e.stopPropagation()
if (this.month == 0) {
this.month = 11
this.year = parseInt(this.year) - 1
} else {
this.month = parseInt(this.month) - 1
}
this.render(this.year, this.month)
this.$emit('selectMonth',this.month+1,this.year)
this.$emit('prev',this.month+1,this.year)
this.$emit('currentYearMon',this.year, this.month+1)
},
// 下月
next(e) {
e.stopPropagation()
if (this.month == 11) {
this.month = 0
this.year = parseInt(this.year) + 1
} else {
this.month = parseInt(this.month) + 1
}
this.render(this.year, this.month)
this.$emit('selectMonth',this.month+1,this.year)
this.$emit('next',this.month+1,this.year)
this.$emit('currentYearMon', this.year, this.month+1)
},
// 选中日期
select(k1, k2, e) {
if (e != undefined) e.stopPropagation()
// 日期范围
if (this.range) {
if (this.rangeBegin.length == 0 || this.rangeEndTemp != 0) {
this.rangeBegin = [this.year, this.month,this.days[k1][k2].day]
this.rangeBeginTemp = this.rangeBegin
this.rangeEnd = [this.year, this.month, this.days[k1][k2].day]
this.rangeEndTemp = 0
} else {
this.rangeEnd = [this.year, this.month,this.days[k1][k2].day]
this.rangeEndTemp = 1
// 判断结束日期小于开始日期则自动颠倒过来
if (+new Date(this.rangeEnd[0], this.rangeEnd[1], this.rangeEnd[2]) < +new Date(this.rangeBegin[0], this.rangeBegin[1], this.rangeBegin[2])) {
this.rangeBegin = this.rangeEnd
this.rangeEnd = this.rangeBeginTemp
}
// 小于10左边打补丁
let begin=[]
let end=[]
if(this.zero){
this.rangeBegin.forEach((v,k)=>{
if(k==1)v=v+1
begin.push(this.zeroPad(v))
})
this.rangeEnd.forEach((v,k)=>{
if(k==1)v=v+1
end.push(this.zeroPad(v))
})
}else{
begin=this.rangeBegin
end=this.rangeEnd
}
// console.log("选中日期",begin,end)
this.$emit('select',begin,end)
}
this.render(this.year, this.month)
}else if (this.multi) {
// 如果已经选过则过滤掉
let filterDay=this.multiDays.filter(v => {
return this.year === v[0] && this.month === v[1]-1 && this.days[k1][k2].day === v[2]
})
if( filterDay.length>0 ){
this.multiDays=this.multiDays.filter(v=> {
return this.year !== v[0] || this.month !== v[1]-1 || this.days[k1][k2].day !== v[2]
})
}else{
this.multiDays.unshift([this.year,this.month+1,this.days[k1][k2].day]);
// this.multiDays.push([this.year,this.month+1,this.days[k1][k2].day]);
}
this.days[k1][k2].selected = !this.days[k1][k2].selected
this.$emit('select',this.multiDays)
this.$emit('currentYearMon',this.year, this.month+1)
} else {
// 取消上次选中
if (this.today.length > 0) {
this.days.forEach(v=>{
v.forEach(vv=>{
vv.selected= false
})
})
}
// 设置当前选中天
this.days[k1][k2].selected = true
this.day = this.days[k1][k2].day
this.today = [k1, k2]
this.$emit('select',[this.year,this.zero?this.zeroPad(this.month + 1):this.month + 1,this.zero?this.zeroPad(this.days[k1][k2].day):this.days[k1][k2].day])
this.$emit('currentYearMon',this.year, this.month+1)
}
},
changeYear(){
if(this.yearsShow){
this.yearsShow=false
return false
}
this.yearsShow=true
this.years=[];
for(let i=~~this.year-10;i<~~this.year+10;i++){
this.years.push(i)
}
},
selectYear(value){
this.yearsShow=false
this.year=value
this.render(this.year,this.month)
this.$emit('selectYear',value)
this.$emit('currentYearMon',this.year, this.month+1)
},
// 返回今天
setToday(){
let now = new Date();
this.year = now.getFullYear()
this.month = now.getMonth()
this.day = now.getDate()
this.render(this.year,this.month)
// 遍历当前日找到选中
this.days.forEach(v => {
let day=v.find(vv => {
return vv.day==this.day && !vv.disabled
})
if(day!=undefined ){
day.selected=true
}
})
},
// 日期补零
zeroPad(n){
return String(n < 10 ? '0' + n : n)
},
// 根据年月，获取整月的日期
getFullMonth() {
let daysCount = new Date(this.year, this.month + 1, 0).getDate()
var dateArray = [];
for(var i= 1; i <= daysCount; i++) {
let _date = [this.year,this.month + 1, i]
dateArray.push(_date)
}
return dateArray
},
// 当月全选
chooseAll() {
if (this.multi) {
// 当前所有月
let fullMonth = this.getFullMonth()
// 非当前月所有天
let filterDay = this.multiDays.filter(v => {
return !(this.year === v[0] && this.month + 1 === v[1])
})
// this.multiDays = fullMonth.concat(filterDay)
this.multiDays = fullMonth
this.$emit('select',this.multiDays)
this.$emit('currentYearMon',this.year, this.month+1)
}
},
//当月反选
chooseReverse(){
if (this.multi) {
// 当前所有月
let fullMonth = this.getFullMonth()
// 非当前月所有天
let filterDay = this.multiDays.filter(v => {
return !(this.year === v[0] && this.month + 1 === v[1])
})
// 当前月所选中天
let currentSelect = this.multiDays.filter(v => {
return (this.year === v[0] && this.month + 1 === v[1])
})
// 从当前月去掉当前选中状态的日期
let reverse = []
let _fullMonth = []
fullMonth.map(v => _fullMonth.push(v[2]))
currentSelect.map(v => {
_fullMonth.map(full => {
if (v[2] === full) {
let index = _fullMonth.indexOf(v[2])
_fullMonth.splice(index, 1)
}
})
})
_fullMonth.map(v => reverse.push([this.year, this.month + 1, v]) )
// this.multiDays = reverse.concat(filterDay)
this.multiDays = reverse
// console.log('this.multiDays',this.multiDays, this.year,this.month);
this.$emit('select',this.multiDays)
this.$emit('currentYearMon',this.year, this.month+1)
// this.render(this.year,this.month)
}
}
}
}
.calendar-tools{
height:40px;
font-size: 20px;
line-height: 40px;
color:#5e7a88;
border-bottom: 1px solid #e8eaec;
}
.calendar-tools span{
cursor: pointer;
}
.calendar-prev{
width: 14.28571429%;
float:left;
text-align: center;
}
.calendar-info{
padding-top: 3px;
font-size:16px;
line-height: 1.3;
text-align: center;
}
.calendar-info>div.month{
margin:auto;
height:20px;
width:100px;
text-align: center;
color:#5e7a88;
overflow: hidden;
position: relative;
}
.calendar-info>div.month .month-inner{
position: absolute;
left:0;
top:0;
height:240px;
transition:top .5s cubic-bezier(0.075, 0.82, 0.165, 1);
}
.calendar-info>div.month .month-inner>span{
display: block;
font-size: 14px;
height:20px;
width:100px;
overflow: hidden;
text-align: center;
}
.calendar-info>div.year{
font-size:10px;
line-height: 1;
color:#999;
}
.calendar-next{
width: 14.28571429%;
float:right;
text-align: center;
}
.calendar table {
clear: both;
width: 100%;
margin-bottom:10px;
border-collapse: collapse;
color: #444444;
}
.calendar table thead td{
line-height: 24px;
text-align: center;
margin: 2px !important;
/* color: #c5c8ce; */
padding: 10px 0;
font-size:16px !important;
font-weight: bold;
}
.calendar td {
margin:2px !important;
padding:0px 0;
width: 14.28571429%;
height:44px;
text-align: center;
vertical-align: middle;
font-size:14px;
line-height: 125%;
cursor: pointer;
position: relative;
vertical-align: top;
}
.calendar td.week{
font-size:10px;
pointer-events:none !important;
cursor: default !important;
}
.calendar td.disabled {
color: #ccc;
pointer-events:none !important;
cursor: default !important;
}
.calendar td.disabled div{
color: #ccc;
}
.calendar td span{
display:block;
max-width:40px;
height:26px;
font-size: 16px;
line-height:26px;
margin:0px auto;
border-radius:20px;
}
.calendar td:not(.selected) span:not(.red):hover{
最后
本人分享一下这次字节跳动、美团、头条等大厂的面试真题涉及到的知识点，以及我个人的学习方法、学习路线等，当然也整理了一些学习文档资料出来是给大家的。知识点涉及比较全面，包括但不限于前端基础，HTML，CSS，JavaScript，Vue，ES6，HTTP，浏览器，算法等等
前端视频资料：
efault !important;
}
.calendar td.disabled {
color: #ccc;
pointer-events:none !important;
cursor: default !important;
}
.calendar td.disabled div{
color: #ccc;
}
.calendar td span{
display:block;
max-width:40px;
height:26px;
font-size: 16px;
line-height:26px;
margin:0px auto;
border-radius:20px;
}
.calendar td:not(.selected) span:not(.red):hover{
最后
本人分享一下这次字节跳动、美团、头条等大厂的面试真题涉及到的知识点，以及我个人的学习方法、学习路线等，当然也整理了一些学习文档资料出来是给大家的。知识点涉及比较全面，包括但不限于前端基础，HTML，CSS，JavaScript，Vue，ES6，HTTP，浏览器，算法等等
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