日历--js

<template>
 <div id='calendar'>
    <!-- 年份 月份 -->
    <div class='month'>
      <ul>
        <!--点击会触发pickpre函数,重新刷新当前日期 @click(vue v-on:click缩写) -->
        <li class='arrow' @click='pickPre(currentYear,currentMonth)'>上个月</li>
        <li class='year-month'>
            <span class='choose-year'>{
   
   { currentYear }}年</span>
            <span class='choose-month'>{
   
   { currentMonth }}月</span>
        </li>
        <li class='arrow' @click='pickNext(currentYear,currentMonth)'>下个月</li>
      </ul>
    </div>
    <!-- 星期 -->
    <ul class='weekdays'>
      <li>日</li>
      <li>一</li>
      <li>二</li>
      <li>三</li>
      <li>四</li>
      <li>五</li>
      <li>六</li>
    </ul>
    <!-- 日期 -->
    <ul class='days' style="position:relative;">
        <!-- 核心 v-for循环 每一次循环用<li>标签创建一天 -->
      <li  v-for='(dayobject,i) in days' :key='i'>
          <!--本月-->
          <!--如果不是本月  改变类名加灰色-->
        <span v-if='dayobject.day.getMonth()+1 != currentMonth' class='other-month all-span' @click="getDayTime(dayobject.day)">{
   
   { dayobject.day.getDate() }}</span>
          <!--如果是本月  还需要判断是不是这一天-->
        <span v-else class='all-span'>
        <!--今天  同年同月同日-->
          <span v-if='dayobject.day.getFullYear() == new Date().getFullYear() && dayobject.day.getMonth() == new Date().getMonth() && dayobject.day.getDate() == new Date().getDate()' class='active' @click="getDayTime(dayobject.day)">{
   
   { dayobject.day.getDate() }}</span>
          <span v-else @click="getDayTime(dayobject.day)">{
   
   { dayobject.day.getDate() }}</span>
        </span>
        <i :class="{blue:dayobject.flag1==1,red:dayobject.flag==1}"></i>
      </li>
      <div style="display: flex;position: absolute;bottom: 5px; right: 15px;">
        <span style="color: #ffffff;">
          <span style="display:inline-block;width: 5px;height: 5px;background:#31cd70; border-radius: 5px;margin-right: 8px;"></span>
          正常
        </span>
        <span style="color: #ffffff;">
          <span style="display:inline-block;width: 5px;height: 5px;background:#ff0000; border-radius: 5px;margin: 0 8px;"></span>
        待补卡
        </span>
      </div>
    </ul>
  </div>
</template>
<script>
export default {
  props: ['abnormaldayFlag','normaldayFlag'],
  data () {
    return {
      currentDay: 1,
      currentMonth: 1,
      currentYear: 1970,
      currentWeek: 1,
      days: []
    }
  },
  created: function () {
    // 在vue初始化时调用
    this.initData(null)
  },
  mounted(){},
  methods: {
    initData: function (cur) {
      // var leftcount = 0 // 存放剩余数量
      var date
      if (cur) {
        date = new Date(cur)
      } else {
        var now = new Date()
        var d = new Date(this.formatDate(now.getFullYear(), now.getMonth(), 1))

        d.setDate(35)
        date = new Date(this.formatDate(d.getFullYear(), d.getMonth() + 1, 1))
      }
      this.currentDay = date.getDate()
      this.currentYear = date.getFullYear()
      this.currentMonth = date.getMonth() + 1
      this.currentWeek = date.getDay() // 1...6,0
      if (this.currentWeek === 0) {
        this.currentWeek = 7
      }
      var str = this.formatDate(
        this.currentYear,
        this.currentMonth,
        this.currentDay
      )
      this.days.length = 0
      // 今天是周日,放在第一行第7个位置,前面6个
      // 初始化本周
      for (var i = this.currentWeek; i >= 0; i--) {
        var d2 = new Date(str)
        d2.setDate(d2.getDate() - i)
        var dayobjectSelf = {} // 用一个对象包装Date对象  以便为以后预定功能添加属性
        dayobjectSelf.day = d2
        this.days.push(dayobjectSelf) // 将日期放入data 中的days数组 供页面渲染使用

      }
      // 其他周
      for (var j = 1; j <= 35 - this.currentWeek; j++) {
        var d3 = new Date(str)
        d3.setDate(d3.getDate() + j)
        var dayobjectOther = {}
        dayobjectOther.day = d3
        this.days.push(dayobjectOther)
      }
	  this.days.forEach((item , index)=>{
		 // console.log(item.day.getFullYear())
		  const dateNow = this.formatDate(item.day.getFullYear(),item.day.getMonth()+1,item.day.getDate())
		  this.abnormaldayFlag.forEach((e , i)=>{
			  if(dateNow==e){
				 item.flag = 1
			  }
		  })

		  this.normaldayFlag.forEach((e , i)=>{
			  if(dateNow==e){
			  	 item.flag1 = 1
			  }
		  })

	  })
    },
    getDayTime (el) {
      var currentDate = this.formatDate(el.getFullYear(),el.getMonth()+1,el.getDate())
      this.$emit('currentDate',currentDate)
    },
    pickPre: function (year, month) {
      // setDate(0); 上月最后一天
      // setDate(-1); 上月倒数第二天
      // setDate(dx) 参数dx为 上月最后一天的前后dx天
      var d = new Date(this.formatDate(year, month, 1))
      d.setDate(0)
      this.initData(this.formatDate(d.getFullYear(), d.getMonth() + 1, 1))
    },
    pickNext: function (year, month) {
      var d = new Date(this.formatDate(year, month, 1))
      d.setDate(35)
      this.initData(this.formatDate(d.getFullYear(), d.getMonth() + 1, 1))
    },
    // 返回 类似 2016-01-02 格式的字符串
    formatDate: function (year, month, day) {
      var y = year
      var m = month
      if (m < 10) m = '0' + m
      var d = day
      if (d < 10) d = '0' + d
      return y + '-' + m + '-' + d
    }
  }
}
</script>
<style lang="scss" scoped>
#calendar {
  font-size: 12px;
  width: 95%;
  height:280px;
  margin:auto;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.1),
    0 1px 5px 0 rgba(0, 0, 0, 0.12);
  .month {
    width: 100%;
    color: #ffffff;
    ul {
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: space-between;
      height: 35px;
      li{
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: 3px;
      }
      .year-month {
        display: flex;
        align-items: center;
        justify-content: space-around;
        margin-top: 10px;
        .choose-month {
          text-align: center;
          font-size: 12px;
        }
      }
      .arrow {
        padding: 15px;
        color: #ffffff;
        cursor: pointer;
      }
    }
  }
  li{
    position:relative;
    .blue{
      position:absolute;
      background:#31cd70;
      bottom:0;
      right:50%;
      width:5px;
      height:5px;
      border-radius: 5px;
      transform: translateX(2.5px);
    }
    .red{
      position:absolute;
      background:red;
      bottom:0;
      right:50%;
      width:5px;
      height:5px;
      border-radius: 5px;
      transform: translateX(2.5px);
    }
  }
  .weekdays {
    margin: 0;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    color: #28daff;
    justify-content: space-around;
    li {
      display: inline-block;
      width: 13.6%;
      text-align: center;
    }
  }
  .days {
    padding: 10px;
    background: rgba(10,25,49,0.4);
    border: 1px solid #214F7E;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    li {
      list-style-type: none;
      display: inline-block;
      width: 14.2%;
      text-align: center;
      /* padding-bottom: 4px;
       padding-top: 10px; */
      padding: 8px;
      font-size: 12px;
      color: #ffffff;
      .active {
        padding: 5px 5px;
        border-radius: 50%;
        background: #00b8ec;
        color: #fff;
      }
      .other-month {
        padding: 5px;
        color: gainsboro;
        display:none;
      }
    }
    li:hover>span>span {
      padding: 5px 5px;
      border-radius: 50%;
      background: #e1e1e1;
      color: #fff;
    }
  }
}




</style>


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转载自blog.csdn.net/diaojw090/article/details/96310696