weekDays, multiple selection function of select, multiple

<template>
  <div>
    具体星期几(可多选)：
    <el-select
      class="gap_left"
      style="width:250px;"
      size="mini"
      multiple
      v-model="week.specificSpecific"
    >
      <el-option
        v-for="(val, index) in 7"
        :key="index"
        :value="index + 1"
        :label="weekDays[index]"
      ></el-option>
    </el-select>
    {
    
    {
    
     week.specificSpecific }}
  </div>
</template>
<script>
export default {
    
    
  data() {
    
    
    return {
    
    
      week: {
    
    
        specificSpecific: "" // 具体星期几
      },
      weekDays: ["天", "一", "二", "三", "四", "五", "六"].map(
        val => "星期" + val
      ) //  此时weekDays 为， ["星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"]
    };
  }
};
</script>