<el-date-picker v-model="dataForm.jjDate" placeholder="奖惩时间" style="width:90%;" type="datetime"
                        :picker-options="expireTimeOption" value-format="yyyy-MM-dd HH:mm:ss"></el-date-picker>

data()的return里

        expireTimeOption: {
          disabledDate(date) {
            //disabledDate 文档上：设置禁用状态，参数为当前日期，要求返回 Boolean
            return (
              date.getTime() < new Date(new Date().getFullYear(),0,1).getTime() ||
              date.getTime() > new Date(new Date().getFullYear(),11,31).getTime()
            );
          }
        }