如何将后端返回的数字，传到vue 前端转成汉字？

timeFlagFormatter(row, column) {
      const preasCode = row.timeFlag;
      if (preasCode === '0') {
        return '日原因';
      } else if (preasCode === '1') {
        return '月原因';
      }
    },
    // eslint-disable-next-line no-unused-vars
    preasCodeFormatter(row, column) {
      const preasCode = row.preasCode;
      // eslint-disable-next-line no-empty
      if (preasCode === '01') {
        return '档案原因';
        // eslint-disable-next-line no-empty
      } else if (preasCode === '02') {
        return '计量原因';
      } else if (preasCode === '03') {
        return '采集原因';
      } else if (preasCode === '04') {
        return '窃电及违约用电因素';
      } else if (preasCode === '05') {
        return '技术因素';
      }
    },
    //原因小类格式化
    // eslint-disable-next-line no-unused-vars
    reasCodeFormatter(row, column) {
      const reasCode = row.reasCode;
      if (reasCode === '01') {
        return '台区总表电流互感器档案倍率与现场不一致';
        // eslint-disable-next-line no-empty
      } else if (reasCode === '02') {
        return '台区内经互感器接入用户的系统档案中倍率错误';
      } else if (reasCode === '03') {
        return '用户计量点档案与现场不一致';
      } else if (reasCode === '04') {
        return '台区档案不完整';
      } else if (reasCode === '05') {
        return '台户关系不一致';
      } else if (reasCode === '06') {
        return '流程归档不同步';
      } else if (reasCode === '07') {
        return '其它';
      }
    },

<el-table-column prop="type" label="类型" align="center">
    <template v-slot="{ row }">
        <span v-show="row.type == 1">普通用户</span>
        <span v-show="row.type == 2">管理员</span>
        <span v-show="row.type == 3">项目经理</span>
    </template>
</el-table-column>

data(){
   return(){
    getRuleClassLabel: [
  { ruleCode: '01', ruleLabel: '异常台区规则' },
  { ruleCode: '02', ruleLabel: '特殊台区规则' },
  { ruleCode: '03', ruleLabel: '档案异常台区规则' },
  { ruleCode: '04', ruleLabel: '计量异常台区规则' },
  { ruleCode: '05', ruleLabel: '采集异常台区规则' },
  { ruleCode: '06', ruleLabel: '技术因素异常台区' }
],
getDirectionLabel: [
  { ruleCode: '01', ruleLabel: '规范管理' },
  { ruleCode: '02', ruleLabel: '规避考核' },
  { ruleCode: '03', ruleLabel: '业务提醒' }
],
   }
}
classFormat(row, obj) {
  let filter = obj.filter(res => res.ruleCode === row);
  return filter[0]?.ruleLabel;
},
<el-table :data="resultData" >
  <el-table-column prop="repFlag" label="处理结果" width="120"> 
     <template v-slot="scope">
       <span>{{ classFormat(scope.row.isOrder, getIsOrderLabel) }}</span>
     </template>
  </el-table-column>
</el-table>