Vue实现DateRange选择器的禁选功能

<template>
  <el-date-picker
    v-model="dateRange"
    type="daterange"
    range-separator="至"
    start-placeholder="开始日期"
    end-placeholder="结束日期">
  </el-date-picker>
</template>

<script>
import { DatePicker } from 'element-ui';

export default {
  components: {
    [DatePicker.name]: DatePicker,
  },
  data() {
    return {
      dateRange: '',
    };
  },
};
</script>

methods: {
  disabledDate(time) {
    // 在这里定义你的逻辑，判断给定的时间是否应该被禁用
    // 例如，禁止选择过去的所有日期
    return time.getTime() < Date.now();
  }
}

<el-date-picker
  ...
  :disabled-date="disabledDate">
</el-date-picker>

data() {
  return {
    disabledDates: []
  };
},
watch: {
  disabledDates(newVal) {
    this.$refs.datePicker.updateDisabledDates(newVal);
  }
},
methods: {
  async fetchDisabledDates() {
    const response = await axios.get('/api/disabled-dates');
    this.disabledDates = response.data;
  }
},
mounted() {
  this.fetchDisabledDates();
}

methods: {
  isHoliday(date) {
    // 检查是否为节假日
    return holidays.includes(date.getDay());
  },
  disabledDate(time) {
    return this.isHoliday(time) || time.getTime() < Date.now();
  }
}

methods: {
  handleSelectError(date) {
    if (this.isHoliday(date)) {
      this.$message.warning('节假日不可选择！');
    } else if (date.getTime() < Date.now()) {
      this.$message.warning('不能选择过去日期！');
    }
  }
},
watch: {
  dateRange(newVal, oldVal) {
    if (newVal.length > 0 && this.disabledDate(newVal[0])) {
      this.handleSelectError(newVal[0]);
    }
    if (newVal.length > 1 && this.disabledDate(newVal[1])) {
      this.handleSelectError(newVal[1]);
    }
  }
}