卡归属地根据后台card_area的数据来显示地区
<el-table-column
prop="card_area"
label="卡归属地"
width="80"
align="center"
>
<template slot-scope="scope">
<p v-if="scope.row.card_area == 25">南京</p>
<p v-if="scope.row.card_area == 510">无锡</p>
<p v-if="scope.row.card_area == 511">镇江</p>
...
</template>
</el-table-column>