tutorial / web-tutorial

<template>
    <div class="calendar">
        <div>
            <div class="calendar-tools">
                <span class="calendar-prev" @click="prev">
                    <svg width="20" height="20" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
                    <g class="transform-group">
                        <g transform="scale(0.015625, 0.015625)">
                            <path d="M671.968 912c-12.288 0-24.576-4.672-33.952-14.048L286.048 545.984c-18.752-18.72-18.752-49.12 0-67.872l351.968-352c18.752-18.752 49.12-18.752 67.872 0 18.752 18.72 18.752 49.12 0 67.872l-318.016 318.048 318.016 318.016c18.752 18.752 18.752 49.12 0 67.872C696.544 907.328 684.256 912 671.968 912z" fill="#5e7a88"></path>
                        </g>
                    </g>
                    </svg>
                </span>
                <span class="calendar-next"  @click="next">
                    <svg width="20" height="20" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
                    <g class="transform-group">
                        <g transform="scale(0.015625, 0.015625)">
                            <path d="M761.056 532.128c0.512-0.992 1.344-1.824 1.792-2.848 8.8-18.304 5.92-40.704-9.664-55.424L399.936 139.744c-19.264-18.208-49.632-17.344-67.872 1.888-18.208 19.264-17.376 49.632 1.888 67.872l316.96 299.84-315.712 304.288c-19.072 18.4-19.648 48.768-1.248 67.872 9.408 9.792 21.984 14.688 34.56 14.688 12 0 24-4.48 33.312-13.44l350.048-337.376c0.672-0.672 0.928-1.6 1.6-2.304 0.512-0.48 1.056-0.832 1.568-1.344C757.76 538.88 759.2 535.392 761.056 532.128z" fill="#5e7a88"></path>
                        </g>
                    </g>
                    </svg>
                </span>
                <div class="calendar-info">
                    <!-- {{monthString}} -->
                    <div class="month">
                        <div class="month-inner" :style="{'top':-(this.month*20)+'px'}">
                            <span v-for="m in months">{{m}}</span>
                        </div>
                    </div>
                    <div class="year">{{year}}</div>
                </div>
            </div>
            <table cellpadding="5">
            <thead>
                <tr>
                    <td v-for="week in weeks" class="week">{{week}}</td>
                </tr>
            </thead>
            <tr v-for="(day,k1) in days">
                <td v-for="(child,k2) in day" :class="{'selected':child.selected,'disabled':child.disabled}" @click="select(k1,k2,$event)">
                    <span :class="{'red':k2==0||k2==6||((child.isLunarFestival||child.isGregorianFestival) && lunar)}">{{child.day}}</span>
                    <div class="text" v-if="child.eventName!=undefined">{{child.eventName}}</div>
                    <div class="text" :class="{'isLunarFestival':child.isLunarFestival,'isGregorianFestival':child.isGregorianFestival}" v-if="lunar">{{child.lunar}}</div>
                </td>
            </tr>
            </table>
        </div>


    </div>
</template>

<script>
import calendar from './calendar.js'
export default {
    props: {
        value: {
            type: Array,
            default: function(){
                return []
            }
        },
        multipleToday: {
          type: Array,
          default: function(){
            return []
          }
        },
        begin:  {
            type: Array,
            default: function(){
                return []
            }
        },
        end:  {
            type: Array,
            default: function(){
                return []
            }
        },
        range:{
            type: Boolean,
            default: false
        },
        multiple:{
            type: Boolean,
            default: false
        },
        zero:{
            type: Boolean,
            default: false
        },
        lunar: {
            type: Boolean,
            default: false
        },
        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']
            }
        },
        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']
            }
        },
        events:  {
            type: Object,
            default: function(){
                return {}
            }
        },
    },
    data() {
        return {
            year: 0,
            month: 0,
            day: 0,
            days: [],
            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:[],
        }
    },
    mounted() {
        this.init()
    },
    methods: {
        // 初始化一些东西
        init(){
            let now = new Date();
             // 没有默认值
            this.year = now.getFullYear()
            this.month = now.getMonth()
            this.day = now.getDate()
            if (this.value.length>0) {
                if (this.range) {
                    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]
                    // console.log(this.month,this.rangeBegin,this.rangeEnd)
                }else{
                    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 = []
            for (i = 1; i <= lastDateOfMonth; i++) {
                let dow = new Date(y, m, i).getDay()
                let k
                // 第一行
                if (dow == 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.month==0?this.year-1:this.year,this.month==0?12:this.month,k),
                            this.getEvents(this.month==0?this.year-1:this.year,this.month==0?12:this.month,k),
                        ))
                        k++;
                    }
                }

                // 范围
                if (this.range) {
                    // 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
                    }
                    temp[line].push(options)
                } else {
//                      console.log(this.lunar(this.year,this.month,i));
                    // 单选模式 与多选
                    let chk = new Date()
                    let chkY = chk.getFullYear()
                    let chkM = chk.getMonth()

                    if(this.multiple){
                      let _this=this;
                      /*多选*/
                    /*  for()*/
                      let active = false;
                      this.multipleToday.forEach((v,index)=>{
                          if(_this.year+"-"+(_this.month+1) +"-"+i==v){
                              active=true;
                          }
                      });
                      if(active){
                        // 普通日期
                        // console.log("设置可选范围",i,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
                        }
                        temp[line].push(options)
                      }


                    }else {
                      // 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]
                      }else if (chkY == this.year && chkM == this.month && i == this.day && this.value == "") {
                        // 没有默认值的时候显示选中今天日期
                        // 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
                        }
                        temp[line].push(options)
                      }
                    }


                }
                // 最后一行
                if (dow == 6) {
                    line++
                } else if (i == lastDateOfMonth) {
                    let k = 1
                    for (dow; dow < 6; dow++) {
                        // console.log("最后一行",lunarYear,lunarMonth,lunarValue,lunarInfo)
                        temp[line].push(Object.assign(
                            {day: k,disabled: true},
                            this.getLunarInfo(this.month+2>11?this.year+1:this.year,this.month+2>11?1:this.month+2,k),
                            this.getEvents(this.month+2>11?this.year+1:this.year,this.month+2>11?1:this.month+2,k),
                        ))
                        k++
                    }
                }
            } //end for
            this.days = temp
        },
        // 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;
            if(this.events[y+"-"+m+"-"+d]!=undefined){
                return {
                    eventName:this.events[y+"-"+m+"-"+d]
                }
            }
            return {}
        },
        // 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)
        },
        //  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)
        },
        // 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 {

                console.log(this.days);
                // 设置当前选中天

                /*单选和多选*/
                if(this.multiple){
                  let _this=this;

                  if(this.days[k1][k2].selected==false){
                    this.multipleToday.push(this.year+"-"+(this.month+1)+"-"+this.days[k1][k2].day);
                  }else {
                    this.multipleToday.forEach((v,index)=>{
                      if(_this.year+"-"+(_this.month+1)+"-"+_this.days[k1][k2].day==v){
                        this.multipleToday.splice(index,1)
                      }
                    });
                  }

                  this.days[k1][k2].selected = !this.days[k1][k2].selected;
                  this.day = this.days[k1][k2].day;
                }else {
                  // 取消上次选中
                  if (this.today.length > 0) {
                    this.days.forEach(v=>{
                        v.forEach(vv=>{
                          vv.selected= false
                       })
                    })
                  }
                  this.days[k1][k2].selected = true;
                  this.day = this.days[k1][k2].day;
                  this.today = [k1, k2]
                }
              if(!this.multiple){
                this.$emit('select',[this.year,this.zero?this.zeroPad(this.month + 1):this.month + 1,this.zero?this.zeroPad(this.days[k1][k2].day):this.days[k1][k2].day])
              }else {
                this.$emit('select',this.multipleToday)
              }
            }
        },
        // 日期补零
        zeroPad(n){
            return String(n < 10 ? '0' + n : n)
        },
    },
    watch: {
      'multipleToday': function () {
        if(this.multipleToday.length==0){
          this.render(this.year, this.month)
        }
      }
    }


}

</script>

<style scoped>
.calendar {
    margin:auto;
    width: 100%;
    min-width:300px;
    background: #fff;
    font-family: "PingFang SC","Hiragino Sans GB","STHeiti","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;
    user-select:none;
}

.calendar-tools{
    height:40px;
    font-size: 20px;
    line-height: 40px;
    color:#5e7a88;
}
.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;
    height:20px;
    width:100px;
    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 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:2px;
}
.calendar td:not(.selected) span:not(.red):hover{
    background:#f3f8fa;
    color:#444;
}
.calendar td:not(.selected) span.red:hover{
    background:#f9efef;
}

.calendar td:not(.disabled) span.red{
    color:#ea6151;
}
.calendar td.selected span{
    background-color: #5e7a88;
    color: #fff;
}
.calendar td .text{
    position: absolute;
    top:28px;
    left:0;
    width:100%;
    text-align: center;
    border-radius: 2px;
    padding:2px;
    font-size:8px;
    line-height: 1.2;
    color:#444;
}
.calendar td .isGregorianFestival,
.calendar td .isLunarFestival{
    color:#ea6151;
}
.calendar td.selected span.red{
    background-color: #ea6151;
    color: #fff;
}
.calendar td.selected span.red:hover{
    background-color: #ea6151;
    color: #fff;
}
.calendar thead td {
  text-transform: uppercase;
  height:30px;
  vertical-align: middle;
}
.calendar-button{
    text-align: center;
}
.calendar-button span{
    cursor: pointer;
    display: inline-block;
    min-height: 1em;
    min-width: 5em;
    vertical-align: baseline;
    background:#5e7a88;
    color:#fff;
    margin: 0 .25em 0 0;
    padding: .6em 2em;
    font-size: 1em;
    line-height: 1em;
    text-align: center;
    border-radius: .3em;
}
.calendar-button span.cancel{
    background:#efefef;
    color:#666;
}
</style>