SOURCE

var Main = {
    data() {
        return {
            tableData: [],
            gridOptions: {
                border: true,
                columns: [
                    { type: 'seq', width: 60 },
                    { field: 'name', title: 'Name' },
                    { field: 'sex', title: 'Sex' },
                    { field: 'date', title: 'Date' },
                    { field: 'address', title: 'Address' }
                ],
                data: [],
                toolbarConfig: {
                    buttons: [

                        {
                            "code": "flashMenu",
                            "name": "测试",
                            "dropdowns": [
                                {
                                    code: "updateMenu",
                                    name: "小红",
                                    data: {
                                        parentId: "小红"
                                    }
                                },
                                {
                                    code: "updateMenu",
                                    name: "翠花",
                                    data: {
                                        parentId: "翠花"
                                    }
                                }]

                        }
                    ]
                },
                pagerConfig: {
                    layouts: [
                        "PrevPage",
                        "Number",
                        "NextPage",
                        "FullJump",
                        "Total"
                    ],
                    currentPage: 1,
                    pageSize: 5,
                    total: 17,                    
                    align: "left",
                    border: true,
                    perfect: true
                },
            }
        }
    },
    methods: {
        toolbarButtonClick(abc) {
            window.console.log(abc.code, abc.button); // button 为 undefined
        }
    },
    mounted() {
        var list1 = []
        var list2 = []
        for (var index = 0; index < 4; index++) {
            list1.push({
                name: 'test' + index,
                role: 'developer',
                sex: 'Man',
                date: '2019-05-01',
                time: 1556677810888 + index * 500,
                region: 'ShenZhen',
                address: 'address abc' + index
            })
            list2.push({
                name: 'test' + index,
                role: 'developer',
                sex: 'Man',
                date: '2019-05-01',
                time: 1556677810888 + index * 500,
                region: 'ShenZhen',
                address: 'address abc' + index
            })
        }
        this.tableData = list1
        this.gridOptions.data = list2
    }
};
var app = new Vue(Main).$mount('#app')

<script src="https://cdn.jsdelivr.net/npm/vue@2">
</script>
<script src="https://cdn.jsdelivr.net/npm/xe-utils">
</script>
<script src="https://cdn.jsdelivr.net/npm/vxe-table@3">
</script>
<!-- 使用 cdn 引用方式需要注意是否锁定版本，默认指向最新版本 -->

<div id="app">
	<template>
		<div>
			<p>Grid 演示</p>
			<vxe-grid v-bind="gridOptions" @toolbar-button-click="toolbarButtonClick"></vxe-grid>
		</div>
	</template>
</div>

@import url("https://cdn.jsdelivr.net/npm/vxe-table/lib/style.css");