<!--工作日历的组件-->
<template>
  <div class="work-calendar">
    <el-row type="flex" justify="end">
      <el-select v-model="currentYear" value="" size="small" style="width: 120px" @change="dataChange">
        <el-option v-for="item in yearList" :key="item" :value="item" :label="item"></el-option>
      </el-select>
      <el-select v-model="currentMonth" value="" size="small" style="width: 120px;margin-left: 10px" @change="dataChange">
        <el-option v-for="item in 12" :key="item" :value="item" :label="item"></el-option>
      </el-select>
    </el-row>
    <el-calendar v-model="currentDate">
      <!--date是当前单元格的日期 data是对象 对象里有要显示的day      -->
      <template v-slot:dateCell="{ date,data }" class="content">
        <div class="date-content">
          <span class="text">{{ data.day | getDay }}</span>
          <span v-if="isWeek(date)" class="rest">休</span>
        </div>
      </template>
    </el-calendar>
  </div>
</template>
<script>
export default {
  filters: {
    getDay(value) {
      // value 2024-04-27
      const day = value.split('-')[2]
      return day.startsWith('0') ? day.substr(1) : day // 判断是否是0开头，如果是0开头则截掉
    }
  },
  props: {
    startDate: {
      type: Date,
      default: () => new Date() // 如果没有传递startDate 就取当前时间
    }
  },
  data() {
    return {
      yearList: [], // 要遍历年的数组
      currentYear: null, // 当前年份
      currentMonth: null, // 当前的月份
      currentDate: null // 当前时间
    }
  },
  created() {
    // 获取当前的年份
    this.currentYear = this.startDate.getFullYear()
    this.currentMonth = this.startDate.getMonth() + 1
    // 快速生成数组的方法
    // 当前日历的前5年和后5年 则-5
    this.yearList = Array.from(Array(120), (value, index) => this.currentYear + index - 70)
    // 钩子函数执行完毕后 主动调用
    this.dataChange()
  },
  methods: {
    dataChange() {
      // 生成新的日期
      this.currentDate = new Date(`${this.currentYear}-${this.currentMonth}-1`) // 以1号开始
    },
    // 判断当前时间是否是周末
    isWeek(date) {
      // date是当前时间  周日是0，周六是6    new Date("2024-04-27").getDay  返回的是6
      return date.getDay() === 6 || date.getDay() === 0
    }
  }
}
</script>
<style  scoped>
/deep/ .el-calendar-day {
  height:  auto;
}
/deep/ .el-calendar-table__row td,/deep/ .el-calendar-table tr td:first-child,  /deep/ .el-calendar-table__row td.prev{
  border:none;
}
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text{
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;

}
/deep/ .el-calendar-table td.is-selected .text{
  background: #409eff;
  color: #fff;
  border-radius: 50%;
}
/deep/ .el-calendar__header {
  display: none
}
</style>