<a-table :columns="headerData" :dataSource="tableData" :pagination="pagination" :rowKey="res => res.order_num" :scroll="{ x: 1200,y:500 }" class="mb20">
<span slot="customTitle">
打款回单
<a-tooltip placement="top">
<template slot="title">
<span> tooltip显示的文字 </span>
</template>
<a-icon type="question-circle" />
</a-tooltip>
</span>
</a-table>{
id: "9",
slots: { title: 'customTitle' },
width: 100,
ataIndex: 'receipt_file',
}