SOURCE

const vm = new Vue({
    el: '#app',
    data() {
        return {
            columns: [{
                title: '序号',
                key: 'index'
            }, {
                title: '选择',
                key: 'index',
                render: (h, params) => {
                    const getOptions = () => {
                        let res = []
                        this.selectList.map((v, k) => {
                            res.push(
                                h('Option', {
                                    props: {
                                        value: v.id
                                    }
                                }, v.text)
                            )
                        })
                        return res
                    }
                    return h('div', [
                        h('Select', {
                            props: {
                                value: params.row.selected
                            },
                            on: {
                                'on-change':(e) => {
                                    this.tableData[params.index].selected = e
                                }
                            }
                        }, getOptions())
                    ]);
                }
            }, {
                title: '选择结果',
                render: (h, params) => {
                    return h('div', [
                        this.getSelectedTextById(params.row.selected)
                    ]);
                }
            }],
            tableData: [{
                index: 1,
                selected: 0
            }, {
                index: 2,
                selected: 1
            }],
            selectList: [{
                id: 0,
                text: '选项1'
            }, {
                id: 1,
                text: '选项2'
            }, {
                id: 2,
                text: '选项3'
            }]
        }
    },
    methods: {
        getSelectedTextById(id) {
            let res = ''
            this.selectList.map((v, k) => {
                if(v.id == id) res = v.text
            })
            return res
        }
    }
})

<div id="app">
    <i-table border :columns="columns" :data="tableData"></i-table>
</div>