<el-table-column prop="countryName" label="所属村镇" width="250" :formatter="formatterContryName"></el-table-column>
methods: {
formatterContryName () {
const countryMap = new Map([
['1', '茂芝场村'],
['2', '前富村'],
['3','后富村']
])
const key = arguments[0].countryName
return countryMap.get(key)
},