限制elementuipicker元件限制選擇日期在一個月內。

<el-date-picker
      v-model="dateValue"
      class="filter-item"
      type="daterange"
      value-format="yyyy-MM-dd"
      start-placeholder="開始日期"
      end-placeholder="結束日期"
      @blur="dateBlurHandle"
      :picker-options="pickerOptions"
    >
 </el-date-picker>

//
 
bind 值
      dateValue: "",
      pickerOptions: {
        onPick: ({ maxDate, minDate }) => {
          this.choiceDateMinTime = minDate.getTime();
          this.choiceDateMaxTime = maxDate;
          this.choiceDateMin = minDate;
          console.log(maxDate, minDate)
          if (maxDate) {
            
 
this.choiceDateMinTime = "";
          }
        },
        disabledDate: time => {
          if (!isNull(this.choiceDateMinTime)) {
            const _year = this.choiceDateMin.getFullYear();
            const _month = this.choiceDateMin.getMonth() + 1;
            const maxTime = new Date(_year, _month, 0).getTime();
            const nowDate 
 
= Date.now();
            let temp = Math.min(maxTime, nowDate);
            return time.getTime() < this.choiceDateMinTime ||     time.getTime() > temp;
          }
          return time.getTime() > Date.now();
        }
      },
      choiceDateMinTime: "",
      choiceDateMaxTime: "",
      choiceDateMin: "",   

//方法

    dateBlurHandle() {
      if(!this.choiceDateMaxTime) {
        this.choiceDateMinTime = ''
      }
    },