pqs-9100_client/frontend/src/components/TimeControl/index.vue

<template>
  <div class='time-control'>
    <el-select
      class='select'
      v-model='timeUnit'
      placeholder='选择时间单位'
      @change='handleChange'
    >
      <!-- 采用 v-for 动态渲染 -->
      <el-option
        v-for="unit in timeUnits"
        :key="unit.value"
        :label="unit.label"
        :value="unit.value"
      ></el-option>
    </el-select>

    <!-- 禁用时间选择器 -->
    <div class='date-display'>
      <el-date-picker
        class='date-picker'
        v-model='startDate'
        type='date'
        placeholder='起始时间'
        :disabled-date="disableStartDate"
        :readonly="timeUnit != '自定义'"
      ></el-date-picker>
      <el-text>~</el-text>
      <el-date-picker
        class='date-picker'
        v-model='endDate'
        type='date'
        placeholder='结束时间'
        :disabled-date="disableEndDate"
        :readonly="timeUnit !== '自定义'"
      ></el-date-picker>
    </div>
    <div class='date-display' v-if="timeUnit !== '自定义'">
      <el-button
        style='width: 10px;'
        class='triangle-button'
        type='primary'
        @click='prevPeriod'
      >
        <div class='left_triangle'></div>
      </el-button>
      <el-button class='triangle-button' type='primary' @click='goToCurrent'>
        本{{ timeUnit }}
      </el-button>
      <el-button
        style='width: 10px;'
        class='triangle-button'
        type='primary'
        @click='nextPeriod'
        :disabled='isNextDisabled'
      >
        <div class='right_triangle'></div>
      </el-button>
    </div>
  </div>
</template>



<script setup lang="ts">
    import { watch,computed, ref,reactive ,onMounted, defineProps, defineEmits } from 'vue';

    const timeUnit = ref<string>('日'); // 默认选择按周
    const startDate = ref<Date>(new Date()); // 起始日期
    const endDate = ref<Date>(new Date()); // 结束日期
    const isNextDisabled = ref<boolean>(false); // 控制下一周期按钮的禁用状态
    const today = ref<Date>(new Date()); // 当前日期
    const timeUnits = [
      { label: '日', value: '日' },
      { label: '周', value: '周' },
      { label: '月', value: '月' },
      { label: '季度', value: '季度' },
      { label: '年', value: '年' },
      { label: '自定义', value: '自定义' },
    ];

    // 在组件挂载时更新日期范围
    onMounted(() => {
        updateDateRange();
    });
    const handleChange = (unit: string)=> {
      // 根据选择的时间单位处理日期变化
      if (unit !== '自定义') {
        updateDateRange()
      } else {
        // 自定义选项逻辑
        startDate.value = new Date(new Date().setDate(new Date().getDate() - 1))
        endDate.value = new Date()
      }
      updateNextButtonStatus()
    }
    const updateDateRange = () =>  {
      
      // 根据选择的时间单位计算起始和结束日期
      if (timeUnit.value === '日') {
        startDate.value = today.value
        endDate.value = today.value
      } else if (timeUnit.value === '周') {
        startDate.value = getStartOfWeek(today.value)
        endDate.value = getEndOfWeek(today.value)
      } else if (timeUnit.value === '月') {
        startDate.value = new Date(today.value.getFullYear(), today.value.getMonth(), 1)
        endDate.value = new Date(today.value.getFullYear(), today.value.getMonth() + 1, 0)
      } else if (timeUnit.value === '季度') {
        const quarter = Math.floor(today.value.getMonth() / 3)
        startDate.value = new Date(today.value.getFullYear(), quarter * 3, 1)
        endDate.value = new Date(today.value.getFullYear(), quarter * 3 + 3, 0)
      } else if (timeUnit.value === '年') {
        startDate.value = new Date(today.value.getFullYear(), 0, 1)
        endDate.value = new Date(today.value.getFullYear(), 11, 31)
      }
      updateNextButtonStatus()
    }
    const getStartOfWeek =(date:Date)=> {
      const startOfWeek = new Date(date)
      const day = startOfWeek.getDay()
      const diff = day === 0 ? -6 : 1 - day // 星期天的情况
      startOfWeek.setDate(startOfWeek.getDate() + diff)
      return startOfWeek
    }
    const getEndOfWeek =(date:Date) =>{
      const endOfWeek = new Date(date)
      const day = endOfWeek.getDay()
      const diff = day === 0 ? 0 : 7 - day // 星期天的情况
      endOfWeek.setDate(endOfWeek.getDate() + diff)
      return endOfWeek
    }
    const prevPeriod =()=> {
      const prevStartDate = new Date(startDate.value)
      const prevEndDate = new Date(endDate.value)

      if (timeUnit.value === '日') {
        prevStartDate.setDate(prevStartDate.getDate() - 1)
        prevEndDate.setDate(prevEndDate.getDate() - 1)
      } else if (timeUnit.value === '周') {
        prevStartDate.setDate(prevStartDate.getDate() - 7)
        prevEndDate.setDate(prevEndDate.getDate() - 7)
      } else if (timeUnit.value === '月') {
        prevStartDate.setMonth(prevStartDate.getMonth() - 1)
        prevEndDate.setMonth(prevEndDate.getMonth() - 1)
      } else if (timeUnit.value === '季度') {
        prevStartDate.setMonth(prevStartDate.getMonth() - 3)
        prevEndDate.setMonth(prevEndDate.getMonth() - 3)
      } else if (timeUnit.value === '年') {
        prevStartDate.setFullYear(prevStartDate.getFullYear() - 1)
        prevEndDate.setFullYear(prevEndDate.getFullYear() - 1)
      }

      startDate.value = prevStartDate
      endDate.value = prevEndDate
      updateNextButtonStatus()
    }
    const goToCurrent =()=> {
      if (timeUnit.value !== '自定义') {
        updateDateRange() // 更新为当前选择时间单位的时间范围
      }
    }
    const nextPeriod = ()=> {
      const nextStartDate = new Date(startDate.value)
      const nextEndDate = new Date(endDate.value)

      if (timeUnit.value === '日') {
        nextStartDate.setDate(nextStartDate.getDate() + 1)
        nextEndDate.setDate(nextEndDate.getDate() + 1)
      } else if (timeUnit.value === '周') {
        nextStartDate.setDate(nextStartDate.getDate() + 7)
        nextEndDate.setDate(nextEndDate.getDate() + 7)
      } else if (timeUnit.value === '月') {
        nextStartDate.setMonth(nextStartDate.getMonth() + 1)
        nextEndDate.setMonth(nextEndDate.getMonth() + 1)
      } else if (timeUnit.value === '季度') {
        nextStartDate.setMonth(nextStartDate.getMonth() + 3)
        nextEndDate.setMonth(nextStartDate.getMonth() + 3)
      } else if (timeUnit.value === '年') {
        nextStartDate.setFullYear(nextStartDate.getFullYear() + 1)
        nextEndDate.setFullYear(nextEndDate.getFullYear() + 1)
      }

      startDate.value = nextStartDate
      endDate.value = nextEndDate
      updateNextButtonStatus()
    }
    const updateNextButtonStatus =()=> {
      // 更新下一个按钮的禁用状态
      const maxDate = new Date() // 假设最新日期为今天
      // 将 maxDate 设置为当天的开始时间
      maxDate.setHours(0, 0, 0, 0);
      // 将 endDate 设置为当天的开始时间并进行比较
      const endDateAdjusted = new Date(endDate.value);
      endDateAdjusted.setHours(0, 0, 0, 0);
      // 仅比较日期部分
      isNextDisabled.value = endDateAdjusted >= maxDate;
    }

    // 限制开始日期不能选择超过当前日期
    const disableStartDate = (date:Date)=> {
      return date > today.value;
    }
    // 限制结束日期不能超过当前日期且必须大于开始日期
    const disableEndDate = (date:Date)=> {
      if (timeUnit.value !== '自定义') return false; // 如果不是自定义时间单位，则不限制
      const start = new Date(startDate.value);
      return date > today.value || (start && date <= start);
    }
    
    defineExpose({
      startDate,
      endDate,
    })

</script>

<style scoped lang='scss'>
@import "./index.scss";
</style>