el-date-picker 限制只能选择当年的日期

<template>
  <div>
    <el-date-picker v-model="dataForm.jjDate" placeholder="奖惩时间" style="width: 240px;" type="datetime"
      @change="cDatePicker" :picker-options="expireTimeOption" value-format="yyyy-MM-dd HH:mm:ss"></el-date-picker>
  </div>
</template>

<script>
export default {
  data() {
    return {
      dataValidate:'',
      dataForm:{
        jjDate:''
      },
      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()
          );
        }
      }

    };
  },
  methods: {
    cDatePicker(vm){
      const year= vm.split('-')[0]
      const conYear = new Date().getFullYear();
      this.dataValidate = "";
      if(year !== conYear){
        this.dataValidate = "";
      }
    }
  }
}
</script>