Vue ElementUI el-date-picker设置禁用时间区间

1.el-date-picker设置只能选当天

　　el-date-picker设置

　　:picker-options="pickerOptions"

pickerOptions: {
        onPick: (time) => {
          //当第一时间选中才设置禁用
          if (time.minDate && !time.maxDate) {
            this.timeOptionRange = time.minDate;
          }
          if (time.maxDate) {
            this.timeOptionRange = null;
          }
        },
        disabledDate: (time) => {
          let timeOptionRange = this.timeOptionRange;
          let secondNum = 60 * 60 * 24 * 1 * 1000 - 1;
          if (timeOptionRange) {
            if (timeOptionRange.getTime() + secondNum > Date.now() - 8.64e6) {
              return (
                time.getTime() > Date.now() - 8.64e6 ||
                time.getTime() < timeOptionRange.getTime() - secondNum
              );
            }
            return (
              time.getTime() > timeOptionRange.getTime() + secondNum ||
              time.getTime() < timeOptionRange.getTime() - secondNum
            );
          }
        },
      },