iview自定义 table表头

const buildCableTitleUser = (h, params) => (
    <span>
        {params.column.title + '量'}
        <Tooltip content={'短视频的' + params.column.title + '总量'} placement="top" transfer={true} max-width="350">
            <Icon type="md-help-circle" size="16" color="#c8c8c8"/>
        </Tooltip>
    </span>
);


export default {
	data() {
		return {
			columns: [{
				title: '播放',
				key: 'play_count',
				width: 120,
				sortable: true,
				renderHeader(h, params) {
					return buildCableTitleUser(h, params)
				}

			}, ]
		}
	}
}