vue制作日历

<template>
  <div class="calender">
    <div class="calender_title">
      <div class="arrow arrow-left" @click="prev()">&lt;</div>
      <div class="data">{{ currentYear }}-{{ currentMonthChinese }}</div>
      <div class="arrow arrow-right" @click="next()">></div>
    </div>
    <div class="calender_content">
      <div class="row title">
        <span v-for="item in title" :key="item">{{ item }}</span>
      </div>
      <div class="row content">
        <span class="prevDay" v-for="item in prevDays" :key="'A' + item">{{ item }}</span>
        <span v-for="item in currentDays" :key="'B' + item">{{ item }}</span>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      title: ["日", "一", "二", "三", "四", "五", "六"],
      currentDay: new Date().getDate(),
      currentMonth: new Date().getMonth(),
      currentYear: new Date().getFullYear(),
    };
  },
  computed: {
    // 获取中文的月份    显示：8月
    currentMonthChinese() {
      return new Date(this.currentYear, this.currentMonth).toLocaleString(
        "default",
        { month: "short" }
      );
    },
    currentDays() {
      // Date中的月份是从0开始的
      return new Date(this.currentYear, this.currentMonth + 1, 0).getDate();
    },
    prevDays() {
      // 获取上个月的最后一行的日期
      let data = new Date(this.currentYear,this.currentMonth,0).getDate();
      let num = new Date(this.currentYear, this.currentMonth, 1).getDay();
      var days = [];
      while(num>0){
        days.push(data--);
        num--;
      }
      // return new Date(this.currentYear, this.currentMonth, 1).getDay();
      // 排序
      return days.sort();
    },
  },
  methods: {
    prev(){
      // 点击上个月，若是0月则年份-1
      // 0是1月  11是12月
      if(this.currentMonth == 0){
        this.currentYear -= 1;
        this.currentMonth = 11;
      }else{
        this.currentMonth--;
      }
    },
    next(){
      if(this.currentMonth == 11){
        this.currentYear++;
        this.currentMonth = 0;
      }else{
        this.currentMonth++;
      }
    }
  },
};
</script>

<style lang="less">
.calender {
  width: 300px;
  height: 300px;
  margin: 0 auto;
  .calender_title {
    display: flex;
    width: 100%;
    height: 40px;
    line-height: 40px;
    text-align: center;
    .arrow {
      width: 50px;
      height: 100%;
    }
    .data {
      font-size: 20px;
    }
  }
  .calender_content {
    width: 100%;
    height: 250px;
    .row {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
    .title {
      height: 40px;
      line-height: 40px;
      span {
        width: calc(100% / 7);
        text-align: center;
      }
    }
    .content {
      -webkit-box-pack: start;
      -ms-flex-pack: start;
      justify-content: flex-start;
      -ms-flex-wrap: wrap;
      flex-wrap: wrap;
      span {
        width: calc(100% / 7);
        height: 30px;
        line-height: 30px;
        text-align: center;
      }
      .prevDay{
        color: #fff;
        background-color: #eee;
      }
    }
  }
}
</style>

展示页面

标签：vue,日历,currentYear,width,currentMonth,Date,new,height,制作
来源： https://www.cnblogs.com/Huang-J/p/16695015.html