vue实现垂直无限滑动日历组件

2024-04-02 19:04:59 832人浏览薄情痞子

摘要

用Vue做了一个垂直无限滑动日历，在这里记录一下实现。效果组件 verticalCalendar.vue <template> <div ref="con

用Vue做了一个垂直无限滑动日历，在这里记录一下实现。

效果

组件

verticalCalendar.vue

<template>
  <div ref="container" class="calendar-vt">
    <div class="top-month">{{ currentMonth }}月</div>
    <ul ref="scroll" class="scroll" @scroll="fnScroll">
      <template v-for="(item, index) in dateList">
        <li v-if="item.type === 'month'" :key="index" class="li-month">
          {{ item.num }}月
        </li>
        <li
          v-else
          :key="index"
          class="li-day"
          :class="liDayClass(item.date)"
          @click="selectDate(item.date)"
        >
          <span class="date">{{ item.num }}</span>
          <span class="lunar">{{ item.date | getLunarDate }}</span>
        </li>
      </template>
    </ul>
  </div>
</template>
<script>
import calendar from "@/utils/calendar";
import { throttle } from "throttle-debounce";
import { fORMatDate } from "@/utils/moment.js";
export default {
  name: "vertical-calendar",
  props: {
    currentDate: {
      type: Date,
      default: () => new Date(),
    },
  },
  data() {
    return {
      dateList: [], // 日历列表
      cellCount: 0, // 日历个数
      fnScroll: () => {},
      currentMonth: 0,
      value: new Date(), // 当前日历显示的中间日期
    };
  },
  computed: {
    liDayClass() {
      return (date) => {
        if (
          formatDate(this.currentDate, "YYYY-MM-DD") ==
          formatDate(date, "YYYY-MM-DD")
        ) {
          return ["li-day", "isToday"];
        } else {
          return "li-day";
        }
      };
    },
  },

  filters: {
    // 农历
    getLunarDate(date) {
      let year = date.getFullYear();
      let month = date.getMonth() + 1;
      let day = date.getDate();
      let lunarCalendar = calendar.solar2lunar(year, month, day);
      if (lunarCalendar.festival) return lunarCalendar.festival;
      if (lunarCalendar.lunarFestival) return lunarCalendar.lunarFestival;
      return lunarCalendar.IDayCn;
    },
  },
  created() {
    this.fnScroll = throttle(500, this.handleScroll);
  },
  mounted() {
    this.value = this.currentDate;
    this.$nextTick(() => {
      let height = this.$refs.container.offsetHeight;
      this.cellCount = Math.floor(height / 50);
      // 获取当年日历,从上一年的12-31至下一年1-1,防止滚动不到最顶或最底
      this.dateList = calendar.getFullYearDate(
        this.currentDate,
        this.cellCount
      );
      // 计算当前日期的位置
      let index = this.dateList.findIndex((item) => {
        if (item.type === "day") {
          return (
            formatDate(this.currentDate, "YYYY-MM-DD") ==
            formatDate(item.date, "YYYY-MM-DD")
          );
        } else return false;
      });
      setTimeout(() => {
        // 滚动到当前日期位置
        this.$refs.scroll.scrollTop = (index - this.cellCount / 2) * 50;
        this.currentMonth = this.dateList[index].date.getMonth() + 1;
      });
    });
  },
  methods: {
    handleScroll(e) {
      // 日历触顶，计算上一年日历
      if (e.target.scrollTop === 0) {
        this.value = new Date(this.value.getFullYear() - 1 + "/12/31");
        this.dateList = calendar.getFullYearDate(this.value, this.cellCount);
        this.$nextTick(() => {
          // 滚动到上一年最底部
          e.target.scrollTop = 365 * 50;
          this.currentMonth = 12;
        });
      } else if (
        Math.ceil(e.target.scrollTop) ==
        e.target.scrollHeight - e.target.clientHeight
      ) {
        // 日历触底，计算下一年日历
        this.value = new Date(this.value.getFullYear() + 1 + "/1/1");
        this.dateList = calendar.getFullYearDate(this.value, this.cellCount);
        this.$nextTick(() => {
          // 滚动到下一年最顶部
          e.target.scrollTop = 5;
          this.currentMonth = 1;
        });
      } else {
        // 更新当前显示第一个日期所属月份
        let index = Math.ceil(e.target.scrollTop / 50);
        if (this.dateList[index].type === "month") index++;
        this.currentMonth = this.dateList[index].date.getMonth() + 1;
      }
    },
    selectDate(date) {
      this.$emit("on-select", date);
    },
  },
};
</script>
<style lang="sCSS" scoped>
.calendar-vt {
  width: 60px;
  height: 100%;
  position: relative;
  .top-month {
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border: 1px solid #ccc;
    cursor: pointer;
    background-color: #0474c7;
    color: #fff;
    font-size: 18px;
  }
  .scroll {
    height: calc(100% - 50px);
    overflow-y: auto;
    scrollbar-width: none; 
    -ms-overflow-style: none; 
    &::-WEBkit-scrollbar {
      display: none;
    }
    .li-month,
    .li-day {
      height: 50px;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      border: 1px solid #ccc;
      cursor: pointer;
    }
    .li-month {
      background-color: #0474c7;
      color: #fff;
      font-size: 18px;
    }
    .li-day {
      .date {
        font-size: 14px;
      }
      .lunar {
        font-size: 10px;
        color: #999;
      }
    }
    .isToday {
      background-color: #50a3e6;
      .date,
      .lunar {
        color: #fff;
      }
    }
  }
}
</style>

工具类

calendar.js


const calendar = {

  
  lunarInfo: [0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2,//1900-1909
    0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977,//1910-1919
    0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970,//1920-1929
    0x06566, 0x0d4a0, 0x0ea50, 0x16a95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950,//1930-1939
    0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557,//1940-1949
    0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0, 0x0a9a8, 0x0e950, 0x06aa0,//1950-1959
    0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0,//1960-1969
    0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b6a0, 0x195a6,//1970-1979
    0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570,//1980-1989
    0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x05ac0, 0x0ab60, 0x096d5, 0x092e0,//1990-1999
    0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5,//2000-2009
    0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930,//2010-2019
    0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,//2020-2029
    0x05aa0, 0x076a3, 0x096d0, 0x04afb, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45,//2030-2039
    0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0,//2040-2049
    
    0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50, 0x06b20, 0x1a6c4, 0x0aae0,//2050-2059
    0x092e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55, 0x056a0, 0x0a6d0, 0x055d4,//2060-2069
    0x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0, 0x0aba4, 0x0a5b0, 0x052b0,//2070-2079
    0x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60, 0x0a570, 0x054e4, 0x0d160,//2080-2089
    0x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4, 0x0a2d0, 0x0d150, 0x0f252,//2090-2099
    0x0d520],//2100

  
  solarMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],

  
  Gan: ["\u7532", "\u4e59", "\u4e19", "\u4e01", "\u620a", "\u5df1", "\u5e9a", "\u8f9b", "\u58ec", "\u7678"],

  
  Zhi: ["\u5b50", "\u4e11", "\u5bc5", "\u536f", "\u8fb0", "\u5df3", "\u5348", "\u672a", "\u7533", "\u9149", "\u620c", "\u4ea5"],

  
  Animals: ["\u9f20", "\u725b", "\u864e", "\u5154", "\u9f99", "\u86c7", "\u9a6c", "\u7f8a", "\u7334", "\u9e21", "\u72d7", "\u732a"],

  
  festival: {
    '1-1': { title: '元旦' },
    '5-1': { title: '劳动节' },
    '5-4': { title: '青年节' },
    '6-1': { title: '儿童节' },
    '9-10': { title: '教师节' },
    '10-1': { title: '国庆节' },
    '12-25': { title: '圣诞节' },
  },

  
  lfestival: {
    '12-30': { title: '除夕' },
    '1-1': { title: '春节' },
    '1-15': { title: '元宵节' },
    '5-5': { title: '端午节' },
    '8-15': { title: '中秋节' },
  },

  
  getFestival() {
    return this.festival
  },

  
  getLunarFestival() {
    return this.lfestival
  },

  
  setFestival(param = {}) {
    this.festival = param
  },

  
  setLunarFestival(param = {}) {
    this.lfestival = param
  },

  
  solarTerm: ["\u5c0f\u5bd2", "\u5927\u5bd2", "\u7acb\u6625", "\u96e8\u6c34", "\u60ca\u86f0", "\u6625\u5206", "\u6e05\u660e", "\u8c37\u96e8", "\u7acb\u590f", "\u5c0f\u6ee1", "\u8292\u79cd", "\u590f\u81f3", "\u5c0f\u6691", "\u5927\u6691", "\u7acb\u79cb", "\u5904\u6691", "\u767d\u9732", "\u79cb\u5206", "\u5bd2\u9732", "\u971c\u964d", "\u7acb\u51ac", "\u5c0f\u96ea", "\u5927\u96ea", "\u51ac\u81f3"],

  
  sTermInfo: ['9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f',
    '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
    '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa',
    '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f',
    'b027097bd097c36b0b6fc9274c91aa', '9778397bd19801ec9210c965cc920e', '97b6b97bd19801ec95f8c965cc920f',
    '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd197c36c9210c9274c91aa',
    '97b6b97bd19801ec95f8c965cc920e', '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2',
    '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec95f8c965cc920e', '97bcf97c3598082c95f8e1cfcc920f',
    '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e',
    '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722',
    '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f',
    '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
    '97bcf97c359801ec95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd097bd07f595b0b6fc920fb0722',
    '9778397bd097c36b0b6fc9210c8dc2', '9778397bd19801ec9210c9274c920e', '97b6b97bd19801ec95f8c965cc920f',
    '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
    '97b6b97bd19801ec95f8c965cc920f', '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
    '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bd07f1487f595b0b0bc920fb0722',
    '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
    '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
    '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f531b0b0bb0b6fb0722',
    '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
    '97bcf7f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b97bd19801ec9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
    '9778397bd097c36b0b6fc9210c91aa', '97b6b97bd197c36c9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722',
    '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
    '97b6b7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
    '9778397bd097c36b0b70c9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
    '7f0e397bd097c35b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
    '7f0e27f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
    '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
    '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
    '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
    '97b6b7f0e47f531b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
    '9778397bd097c36b0b6fc9210c91aa', '97b6b7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
    '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '977837f0e37f149b0723b0787b0721',
    '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c35b0b6fc9210c8dc2',
    '977837f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
    '7f0e397bd097c35b0b6fc9210c8dc2', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
    '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '977837f0e37f14998082b0787b06bd',
    '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
    '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
    '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
    '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd',
    '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
    '977837f0e37f14998082b0723b06bd', '7f07e7f0e37f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
    '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b0721',
    '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f595b0b0bb0b6fb0722', '7f0e37f0e37f14898082b0723b02d5',
    '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f531b0b0bb0b6fb0722',
    '7f0e37f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
    '7f0e37f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
    '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35',
    '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
    '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f149b0723b0787b0721',
    '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0723b06bd',
    '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722', '7f0e37f0e366aa89801eb072297c35',
    '7ec967f0e37f14998082b0723b06bd', '7f07e7f0e37f14998083b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
    '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14898082b0723b02d5', '7f07e7f0e37f14998082b0787b0721',
    '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66aa89801e9808297c35', '665f67f0e37f14898082b0723b02d5',
    '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66a449801e9808297c35',
    '665f67f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
    '7f0e36665b66a449801e9808297c35', '665f67f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
    '7f07e7f0e47f531b0723b0b6fb0721', '7f0e26665b66a449801e9808297c35', '665f67f0e37f1489801eb072297c35',
    '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722'],

  
  nStr1: ["\u65e5", "\u4e00", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341"],

  
  nStr2: ["\u521d", "\u5341", "\u5eff", "\u5345"],

  
  nStr3: ["\u6b63", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341", "\u51ac", "\u814a"],

  
  lYearDays: function (y) {
    var i, sum = 348;
    for (i = 0x8000; i > 0x8; i >>= 1) { sum += (this.lunarInfo[y - 1900] & i) ? 1 : 0; }
    return (sum + this.leapDays(y));
  },

  
  leapMonth: function (y) { //闰字编码 \u95f0
    return (this.lunarInfo[y - 1900] & 0xf);
  },

  
  leapDays: function (y) {
    if (this.leapMonth(y)) {
      return ((this.lunarInfo[y - 1900] & 0x10000) ? 30 : 29);
    }
    return (0);
  },

  
  monthDays: function (y, m) {
    if (m > 12 || m < 1) { return -1 }//月份参数从1至12，参数错误返回-1
    return ((this.lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29);
  },

  
  solarDays: function (y, m) {
    if (m > 12 || m < 1) { return -1 } //若参数错误 返回-1
    var ms = m - 1;
    if (ms == 1) { //2月份的闰平规律测算后确认返回28或29
      return (((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0)) ? 29 : 28);
    } else {
      return (this.solarMonth[ms]);
    }
  },

  
  toGanZhiYear: function (lYear) {
    var ganKey = (lYear - 3) % 10;
    var zhiKey = (lYear - 3) % 12;
    if (ganKey == 0) ganKey = 10;//如果余数为0则为最后一个天干
    if (zhiKey == 0) zhiKey = 12;//如果余数为0则为最后一个地支
    return this.Gan[ganKey - 1] + this.Zhi[zhiKey - 1];

  },

  
  toAstro: function (cMonth, cDay) {
    var s = "\u9b54\u7faf\u6c34\u74f6\u53cc\u9c7c\u767d\u7f8a\u91d1\u725b\u53cc\u5b50\u5de8\u87f9\u72ee\u5b50\u5904\u5973\u5929\u79e4\u5929\u874e\u5c04\u624b\u9b54\u7faf";
    var arr = [20, 19, 21, 21, 21, 22, 23, 23, 23, 23, 22, 22];
    return s.substr(cMonth * 2 - (cDay < arr[cMonth - 1] ? 2 : 0), 2) + "\u5ea7";//座
  },

  
  toGanZhi: function (offset) {
    return this.Gan[offset % 10] + this.Zhi[offset % 12];
  },

  
  getTerm: function (y, n) {
    if (y < 1900 || y > 2100) { return -1; }
    if (n < 1 || n > 24) { return -1; }
    var _table = this.sTermInfo[y - 1900];
    var _info = [
      parseInt('0x' + _table.substr(0, 5)).toString(),
      parseInt('0x' + _table.substr(5, 5)).toString(),
      parseInt('0x' + _table.substr(10, 5)).toString(),
      parseInt('0x' + _table.substr(15, 5)).toString(),
      parseInt('0x' + _table.substr(20, 5)).toString(),
      parseInt('0x' + _table.substr(25, 5)).toString()
    ];
    var _calday = [
      _info[0].substr(0, 1),
      _info[0].substr(1, 2),
      _info[0].substr(3, 1),
      _info[0].substr(4, 2),

      _info[1].substr(0, 1),
      _info[1].substr(1, 2),
      _info[1].substr(3, 1),
      _info[1].substr(4, 2),

      _info[2].substr(0, 1),
      _info[2].substr(1, 2),
      _info[2].substr(3, 1),
      _info[2].substr(4, 2),

      _info[3].substr(0, 1),
      _info[3].substr(1, 2),
      _info[3].substr(3, 1),
      _info[3].substr(4, 2),

      _info[4].substr(0, 1),
      _info[4].substr(1, 2),
      _info[4].substr(3, 1),
      _info[4].substr(4, 2),

      _info[5].substr(0, 1),
      _info[5].substr(1, 2),
      _info[5].substr(3, 1),
      _info[5].substr(4, 2),
    ];
    return parseInt(_calday[n - 1]);
  },

  
  toChinaMonth: function (m) { // 月 => \u6708
    if (m > 12 || m < 1) { return -1 } //若参数错误 返回-1
    var s = this.nStr3[m - 1];
    s += "\u6708";//加上月字
    return s;
  },

  
  toChinaDay: function (d) { //日 => \u65e5
    var s;
    switch (d) {
      case 10:
        s = '\u521d\u5341'; break;
      case 20:
        s = '\u4e8c\u5341'; break;
        break;
      case 30:
        s = '\u4e09\u5341'; break;
        break;
      default:
        s = this.nStr2[Math.floor(d / 10)];
        s += this.nStr1[d % 10];
    }
    return (s);
  },

  
  getAnimal: function (y) {
    return this.Animals[(y - 4) % 12]
  },

  
  isSolarPublicHoliday: function (date) {
    // 阳历：元旦、劳动节、国庆
    let solarArr = ["1-1", "1-2", "1-3", "5-1", "10-1", "10-2", "10-3"];
    return solarArr.indexOf(date) != -1;
  },
  isLunarPublicHoliday: function (date) {
    // 阴历：春节、清明、端午节、中秋节
    let lunarArr = ["1-1", "1-2", "1-3", "2-23", "5-5", "8-15"];
    return lunarArr.indexOf(date) != -1;
  },
  isFestival(slotDate, slotData) {
    // slotDate是标准时间
    // slotData是对象
    let solarDayArr = slotData.day.split("-");
    let lunarDay = calendar.solar2lunar(
      solarDayArr[0],
      solarDayArr[1],
      solarDayArr[2]
    );

    // 公历节日\农历节日\农历节气
    let festAndTerm = [];
    festAndTerm.push(
      lunarDay.festival == null ? "" : " " + lunarDay.festival
    );
    festAndTerm.push(
      lunarDay.lunarFestival == null ? "" : "" + lunarDay.lunarFestival
    );
    festAndTerm.push(lunarDay.Term == null ? "" : "" + lunarDay.Term);
    festAndTerm = festAndTerm.join("");
    // 原本的方法，return出的是一个Boolean
    // 更改过后返回Object：公立日期、农历日期
    return {
      solarDate: lunarDay.date,
      lunarDate: lunarDay.lunarDate
    };
  },

  
  solar2lunar: function (y, m, d) { //参数区间1900.1.31~2100.12.31
    y = parseInt(y)
    m = parseInt(m)
    d = parseInt(d)
    //年份限定、上限
    if (y < 1900 || y > 2100) {
      return -1;// undefined转换为数字变为NaN
    }
    //公历传参最下限
    if (y == 1900 && m == 1 && d < 31) {
      return -1;
    }
    //未传参  获得当天
    if (!y) {
      var objDate = new Date();
    } else {
      var objDate = new Date(y, parseInt(m) - 1, d)
    }
    var i, leap = 0, temp = 0;
    //修正ymd参数
    var y = objDate.getFullYear(),
      m = objDate.getMonth() + 1,
      d = objDate.getDate();
    var offset = (Date.UTC(objDate.getFullYear(), objDate.getMonth(), objDate.getDate()) - Date.UTC(1900, 0, 31)) / 86400000;
    for (i = 1900; i < 2101 && offset > 0; i++) {
      temp = this.lYearDays(i);
      offset -= temp;
    }
    if (offset < 0) {
      offset += temp; i--;
    }

    //是否今天
    var isTodayObj = new Date(),
      isToday = false;
    if (isTodayObj.getFullYear() == y && isTodayObj.getMonth() + 1 == m && isTodayObj.getDate() == d) {
      isToday = true;
    }
    //星期几
    var nWeek = objDate.getDay(),
      cWeek = this.nStr1[nWeek];
    //数字表示周几顺应天朝周一开始的惯例
    if (nWeek == 0) {
      nWeek = 7;
    }
    //农历年
    var year = i;
    var leap = this.leapMonth(i); //闰哪个月
    var isLeap = false;

    //效验闰月
    for (i = 1; i < 13 && offset > 0; i++) {
      //闰月
      if (leap > 0 && i == (leap + 1) && isLeap == false) {
        --i;
        isLeap = true; temp = this.leapDays(year); //计算农历闰月天数
      }
      else {
        temp = this.monthDays(year, i);//计算农历普通月天数
      }
      //解除闰月
      if (isLeap == true && i == (leap + 1)) { isLeap = false; }
      offset -= temp;
    }
    // 闰月导致数组下标重叠取反
    if (offset == 0 && leap > 0 && i == leap + 1) {
      if (isLeap) {
        isLeap = false;
      } else {
        isLeap = true; --i;
      }
    }
    if (offset < 0) {
      offset += temp; --i;
    }
    //农历月
    var month = i;
    //农历日
    var day = offset + 1;
    //天干地支处理
    var sm = m - 1;
    var gzY = this.toGanZhiYear(year);

    // 当月的两个节气
    // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`
    var firstnode = this.getTerm(y, (m * 2 - 1));//返回当月「节」为几日开始
    var secondNode = this.getTerm(y, (m * 2));//返回当月「节」为几日开始

    // 依据12节气修正干支月
    var gzM = this.toGanZhi((y - 1900) * 12 + m + 11);
    if (d >= firstNode) {
      gzM = this.toGanZhi((y - 1900) * 12 + m + 12);
    }

    //传入的日期的节气与否
    var isTerm = false;
    var Term = null;
    if (firstNode == d) {
      isTerm = true;
      Term = this.solarTerm[m * 2 - 2];
    }
    if (secondNode == d) {
      isTerm = true;
      Term = this.solarTerm[m * 2 - 1];
    }
    //日柱 当月一日与 1900/1/1 相差天数
    var dayCyclical = Date.UTC(y, sm, 1, 0, 0, 0, 0) / 86400000 + 25567 + 10;
    var gzD = this.toGanZhi(dayCyclical + d - 1);
    //该日期所属的星座
    var astro = this.toAstro(m, d);

    var solarDate = y + '-' + m + '-' + d
    var lunarDate = year + '-' + month + '-' + day

    var festival = this.festival
    var lfestival = this.lfestival

    var festivalDate = m + '-' + d
    var lunarFestivalDate = month + '-' + day
    var monthDay = this.monthDays(year, month);
    return {
      date: solarDate,
      lunarDate: lunarDate,
      festival: festival[festivalDate] ? festival[festivalDate].title : null,
      lunarFestival: lunarFestivalDate == '12-29' && monthDay == 29 ? lfestival['12-30'].title : (lfestival[lunarFestivalDate] ? lfestival[lunarFestivalDate].title : null),
      'lYear': year,
      'lMonth': month,
      'lDay': day,
      'Animal': this.getAnimal(year),
      'IMonthCn': (isLeap ? "\u95f0" : '') + this.toChinaMonth(month),
      'IDayCn': this.toChinaDay(day),
      'cYear': y,
      'cMonth': m,
      'cDay': d,
      'gzYear': gzY,
      'gzMonth': gzM,
      'gzDay': gzD,
      'isToday': isToday,
      'isLeap': isLeap,
      'nWeek': nWeek,
      'ncWeek': "\u661f\u671f" + cWeek,
      'isTerm': isTerm,
      'Term': Term,
      'astro': astro,
      'isVacation': this.isVacation(solarDate)
    };
  },

  isVacation(date) {
    if (date === "2022-1-1") {
      return true
    }
    if (date === '2022-1-29' || date === '2022-1-30') {
      return false
    }
    return null
  },

  
  lunar2solar: function (y, m, d, isLeapMonth) {   //参数区间1900.1.31~2100.12.1
    y = parseInt(y)
    m = parseInt(m)
    d = parseInt(d)
    var isLeapMonth = !!isLeapMonth;
    var leapOffset = 0;
    var leapMonth = this.leapMonth(y);
    var leapDay = this.leapDays(y);
    if (isLeapMonth && (leapMonth != m)) { return -1; }//传参要求计算该闰月公历 但该年得出的闰月与传参的月份并不同
    if (y == 2100 && m == 12 && d > 1 || y == 1900 && m == 1 && d < 31) { return -1; }//超出了最大极限值
    var day = this.monthDays(y, m);
    var _day = day;
    //bugFix 2016-9-25
    //if month is leap, _day use leapDays method
    if (isLeapMonth) {
      _day = this.leapDays(y, m);
    }
    if (y < 1900 || y > 2100 || d > _day) { return -1; }//参数合法性效验

    //计算农历的时间差
    var offset = 0;
    for (var i = 1900; i < y; i++) {
      offset += this.lYearDays(i);
    }
    var leap = 0, isAdd = false;
    for (var i = 1; i < m; i++) {
      leap = this.leapMonth(y);
      if (!isAdd) {//处理闰月
        if (leap <= i && leap > 0) {
          offset += this.leapDays(y); isAdd = true;
        }
      }
      offset += this.monthDays(y, i);
    }
    //转换闰月农历 需补充该年闰月的前一个月的时差
    if (isLeapMonth) { offset += day; }
    //1900年农历正月一日的公历时间为1900年1月30日0时0分0秒(该时间也是本农历的最开始起始点)
    var stmap = Date.UTC(1900, 1, 30, 0, 0, 0);
    var calObj = new Date((offset + d - 31) * 86400000 + stmap);
    var cY = calObj.getUTCFullYear();
    var cM = calObj.getUTCMonth() + 1;
    var cD = calObj.getUTCDate();

    return this.solar2lunar(cY, cM, cD);
  },
  
  getFullYearDate: function (date) {
    let dateArr = [];
    let firstDate = new Date(date.getFullYear() + '/1/1')
    for (let i = -1; i < 366; i++) {
      let dd = new Date(firstDate);
      dd.setDate(dd.getDate() + i);
      var y = dd.getFullYear();
      var m = dd.getMonth() + 1;
      var d = dd.getDate()
      if (d === 1) {
        dateArr.push({
          type: 'month',
          num: m
        })
      }
      dateArr.push({
        type: 'day',
        num: d,
        date: dd,
      })
    }
    return dateArr
  }
};
export default calendar;

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