vue在线编辑表格导入导出

npm i file-saver
npm i exceljs 
npm i luckyexcel

index.html （方式一在html中引入）

<link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/plugins/css/pluginsCss.css' />
 <link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/plugins/plugins.css' />
 <link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/css/luckysheet.css' />
 <link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/assets/iconfont/iconfont.css' />
 <script src="https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/plugins/js/plugin.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/luckysheet@latest/dist/luckysheet.umd.js"></script>

exportExcel.js

// const Excel = require('exceljs/dist/es5/exceljs.browser')
import Excel from 'exceljs'

import FileSaver from 'file-saver'

export let exportExcel = (luckysheet, value) => {
	// 参数为luckysheet.getluckysheetfile()获取的对象
	// 1.创建工作簿，可以为工作簿添加属性
	const workbook = new Excel.Workbook()
	// 2.创建表格，第二个参数可以配置创建什么样的工作表
	if (Object.prototype.toString.call(luckysheet) === '[object Object]') {
		luckysheet = [luckysheet]
	}
	luckysheet.forEach(function(table) {
		if (table.data.length === 0) return true
		// ws.getCell('B2').fill = fills.
		const worksheet = workbook.addWorksheet(table.name)
		const merge = (table.config && table.config.merge) || {}
		const borderInfo = (table.config && table.config.borderInfo) || {}
		// 3.设置单元格合并,设置单元格边框,设置单元格样式,设置值
		setStyleAndValue(table.data, worksheet)
		setMerge(merge, worksheet)
		setBorder(borderInfo, worksheet)
		return true
	})

	// return
	// 4.写入 buffer
	const buffer = workbook.xlsx.writeBuffer().then(data => {
		// console.log('data', data)
		const blob = new Blob([data], {
			type: 'application/vnd.ms-excel;charset=utf-8',
		})
		FileSaver.saveAs(blob, `${value}.xlsx`)
	})
	return buffer
}

var setMerge = function(luckyMerge = {}, worksheet) {
	const mergearr = Object.values(luckyMerge)
	mergearr.forEach(function(elem) {
		// elem格式：{r: 0, c: 0, rs: 1, cs: 2}
		// 按开始行，开始列，结束行，结束列合并（相当于 K10:M12）
		worksheet.mergeCells(elem.r + 1, elem.c + 1, elem.r + elem.rs, elem.c + elem.cs)
	})
}

var setBorder = function(luckyBorderInfo, worksheet) {
	if (!Array.isArray(luckyBorderInfo)) return
	// console.log('luckyBorderInfo', luckyBorderInfo)
	luckyBorderInfo.forEach(function(elem) {
		// 现在只兼容到borderType 为range的情况
		// console.log('ele', elem)
		if (elem.rangeType === 'range') {
			let border = borderConvert(elem.borderType, elem.style, elem.color)
			let rang = elem.range[0]
			// console.log('range', rang)
			let row = rang.row
			let column = rang.column
			for (let i = row[0] + 1; i < row[1] + 2; i++) {
				for (let y = column[0] + 1; y < column[1] + 2; y++) {
					worksheet.getCell(i, y).border = border
				}
			}
		}
		if (elem.rangeType === 'cell') {
			// col_index: 2
			// row_index: 1
			// b: {
			//   color: '#d0d4e3'
			//   style: 1
			// }
			const { col_index, row_index } = elem.value
			const borderData = Object.assign({}, elem.value)
			delete borderData.col_index
			delete borderData.row_index
			let border = addborderToCell(borderData, row_index, col_index)
			// console.log('bordre', border, borderData)
			worksheet.getCell(row_index + 1, col_index + 1).border = border
		}
		// console.log(rang.column_focus + 1, rang.row_focus + 1)
		// worksheet.getCell(rang.row_focus + 1, rang.column_focus + 1).border = border
	})
}
var setStyleAndValue = function(cellArr, worksheet) {
	if (!Array.isArray(cellArr)) return
	cellArr.forEach(function(row, rowid) {
		row.every(function(cell, columnid) {
			if (!cell) return true
			let fill = fillConvert(cell.bg)

			let font = fontConvert(cell.ff, cell.fc, cell.bl, cell.it, cell.fs, cell.cl, cell.ul)
			let alignment = alignmentConvert(cell.vt, cell.ht, cell.tb, cell.tr)
			let value = ''

			if (cell.f) {
				value = { formula: cell.f, result: cell.v }
			} else if (!cell.v && cell.ct && cell.ct.s) {
				// xls转为xlsx之后，内部存在不同的格式，都会进到富文本里，即值不存在与cell.v，而是存在于cell.ct.s之后
				// value = cell.ct.s[0].v
				cell.ct.s.forEach(arr => {
					value += arr.v
				})
			} else {
				value = cell.v
			}
			//  style 填入到_value中可以实现填充色
			let letter = createCellPos(columnid)
			let target = worksheet.getCell(letter + (rowid + 1))
			// console.log('1233', letter + (rowid + 1))
			for (const key in fill) {
				target.fill = fill
				break
			}
			target.font = font
			target.alignment = alignment
			target.value = value

			return true
		})
	})
}

var fillConvert = function(bg) {
	if (!bg) {
		return {}
	}
	// const bgc = bg.replace('#', '')
	let fill = {
		type: 'pattern',
		pattern: 'solid',
		fgColor: { argb: bg.replace('#', '') },
	}
	return fill
}

var fontConvert = function(ff = 0, fc = '#000000', bl = 0, it = 0, fs = 10, cl = 0, ul = 0) {
	// luckysheet：ff(样式), fc(颜色), bl(粗体), it(斜体), fs(大小), cl(删除线), ul(下划线)
	const luckyToExcel = {
		0: '微软雅黑',
		1: '宋体（Song）',
		2: '黑体（ST Heiti）',
		3: '楷体（ST Kaiti）',
		4: '仿宋（ST FangSong）',
		5: '新宋体（ST Song）',
		6: '华文新魏',
		7: '华文行楷',
		8: '华文隶书',
		9: 'Arial',
		10: 'Times New Roman ',
		11: 'Tahoma ',
		12: 'Verdana',
		num2bl: function(num) {
			return num === 0 ? false : true
		},
	}
	// 出现Bug，导入的时候ff为luckyToExcel的val

	let font = {
		name: typeof ff === 'number' ? luckyToExcel[ff] : ff,
		family: 1,
		size: fs,
		color: { argb: fc.replace('#', '') },
		bold: luckyToExcel.num2bl(bl),
		italic: luckyToExcel.num2bl(it),
		underline: luckyToExcel.num2bl(ul),
		strike: luckyToExcel.num2bl(cl),
	}

	return font
}

var alignmentConvert = function(vt = 'default', ht = 'default', tb = 'default', tr = 'default') {
	// luckysheet:vt(垂直), ht(水平), tb(换行), tr(旋转)
	const luckyToExcel = {
		vertical: {
			0: 'middle',
			1: 'top',
			2: 'bottom',
			default: 'top',
		},
		horizontal: {
			0: 'center',
			1: 'left',
			2: 'right',
			default: 'left',
		},
		wrapText: {
			0: false,
			1: false,
			2: true,
			default: false,
		},
		textRotation: {
			0: 0,
			1: 45,
			2: -45,
			3: 'vertical',
			4: 90,
			5: -90,
			default: 0,
		},
	}

	let alignment = {
		vertical: luckyToExcel.vertical[vt],
		horizontal: luckyToExcel.horizontal[ht],
		wrapText: luckyToExcel.wrapText[tb],
		textRotation: luckyToExcel.textRotation[tr],
	}
	return alignment
}

var borderConvert = function(borderType, style = 1, color = '#000') {
	// 对应luckysheet的config中borderinfo的的参数
	if (!borderType) {
		return {}
	}
	const luckyToExcel = {
		type: {
			'border-all': 'all',
			'border-top': 'top',
			'border-right': 'right',
			'border-bottom': 'bottom',
			'border-left': 'left',
		},
		style: {
			0: 'none',
			1: 'thin',
			2: 'hair',
			3: 'dotted',
			4: 'dashDot', // 'Dashed',
			5: 'dashDot',
			6: 'dashDotDot',
			7: 'double',
			8: 'medium',
			9: 'mediumDashed',
			10: 'mediumDashDot',
			11: 'mediumDashDotDot',
			12: 'slantDashDot',
			13: 'thick',
		},
	}
	let template = {
		style: luckyToExcel.style[style],
		color: { argb: color.replace('#', '') },
	}
	let border = {}
	if (luckyToExcel.type[borderType] === 'all') {
		border['top'] = template
		border['right'] = template
		border['bottom'] = template
		border['left'] = template
	} else {
		border[luckyToExcel.type[borderType]] = template
	}
	// console.log('border', border)
	return border
}

function addborderToCell(borders, row_index, col_index) {
	let border = {}
	const luckyExcel = {
		type: {
			l: 'left',
			r: 'right',
			b: 'bottom',
			t: 'top',
		},
		style: {
			0: 'none',
			1: 'thin',
			2: 'hair',
			3: 'dotted',
			4: 'dashDot', // 'Dashed',
			5: 'dashDot',
			6: 'dashDotDot',
			7: 'double',
			8: 'medium',
			9: 'mediumDashed',
			10: 'mediumDashDot',
			11: 'mediumDashDotDot',
			12: 'slantDashDot',
			13: 'thick',
		},
	}
	// console.log('borders', borders)
	for (const bor in borders) {
		// console.log(bor)
		if (borders[bor].color.indexOf('rgb') === -1) {
			border[luckyExcel.type[bor]] = {
				style: luckyExcel.style[borders[bor].style],
				color: { argb: borders[bor].color.replace('#', '') },
			}
		} else {
			border[luckyExcel.type[bor]] = {
				style: luckyExcel.style[borders[bor].style],
				color: { argb: borders[bor].color },
			}
		}
	}

	return border
}

function createCellPos(n) {
	let ordA = 'A'.charCodeAt(0)

	let ordZ = 'Z'.charCodeAt(0)
	let len = ordZ - ordA + 1
	let s = ''
	while (n >= 0) {
		s = String.fromCharCode((n % len) + ordA) + s

		n = Math.floor(n / len) - 1
	}
	return s
}

LuckyExcel.vue

<template>
    <div>
        <div class="control">
		<p>
			在线链接: <input type="text" v-model="fileURL" placeholder="输入在线地址" />
			<button @click="getOriginFile">预览链接文件</button>
		</p>
		<p>本地文件(.xlsx格式) :<input type="file" @change="previewLocal" /></p>
		<p><button @click="exportFile">导出当前表格</button></p>
		<p>没有做loading处理，请打开控制台查看打印信息</p>
	</div>
	<!-- 用于渲染表格的容器 -->
	<div id="luckysheet"></div>
    </div>
</template>
<script>
import axios from 'axios'
import { exportExcel } from '@/utils/exportExcel.js'
import LuckyExcel from "luckyexcel"
export default {
	name: 'LuckyExcel',
	data() {
		return {
            fileURL: ''
        }
	},
	created() {
		this.loadPlugins()
	},
	methods: {
		loadPlugins() {
			const baseURL = '//cdn.jsdelivr.net/npm/luckysheet@latest/dist'
			this.loading = true
			this.tip = '正在加载依赖插件，请耐心等待...'
			Promise.all([
				this.asynLoad(`${baseURL}/plugins/css/pluginsCss.css`, true),
				this.asynLoad(`${baseURL}/plugins/plugins.css`, true),
				this.asynLoad(`${baseURL}/css/luckysheet.css`, true),
				this.asynLoad(`${baseURL}/assets/iconfont/iconfont.css`, true),
				this.asynLoad(`${baseURL}/plugins/js/plugin.js`),
				this.asynLoad(`${baseURL}/luckysheet.umd.js`),
			])
				.then(() => {
					luckysheet = window.luckysheet
					this.getOriginFile() // 获取远端文件
				})
				.catch(res => {
					this.loading = false
					this.errStatus = 1
					this.errorTitle = '插件加载失败，请刷新后重试！'
				})
		},
		asynLoad(src, isCss = false) {
			return new Promise(res => {
				let el
				if (isCss) {
					el = document.createElement('link')
					el.rel = 'stylesheet'
					el.href = src
				} else {
					el = document.createElement('script')
					el.src = src
				}
				document.documentElement.appendChild(el)
				el.onload = el.onreadystatechange = function() {
					if (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete') {
						res(true)
					}
					this.onload = this.onreadystatechange = null
				}
			})
		},
		// 获取远程文件
		getOriginFile() {
			this.tip = '正在下载文件...'
			this.loading = true
			axios({
				url: this.fileURL,
				responseType: 'blob',
			})
				.then(({ data }) => {
					const blob = new Blob([data])
					const file = new File([blob], this.fileName)
					this.init(file) // 开始渲染
				})
				.catch(e => {
					this.errorTitle = '文件解析失败，请下载后使用 Excel 打开或点击重试！'
					this.errStatus = 2
				})
				.finally(() => {
					this.loading = false
				})
		},
		// 渲染方法，接受文件对象，如果是本地文件直接传入文件即可
		init(file) {
			luckysheet.destroy() // 先销毁当前容器
			LuckyExcel.transformExcelToLucky(file, exportJson => {
				if (exportJson.sheets === null || !exportJson.sheets.length) {
					this.$message.error('无法读取excel文件的内容，当前不支持xls文件！')
					return
				}
				luckysheet.create({
					container: 'luckysheet',
					showinfobar: false,
					lang: 'zh',
					data: exportJson.sheets,
					title: exportJson.info.name,
					userInfo: exportJson.info.name.creator,
				})
			})
		},
		previewLocal(e) {
			const file = e.target.files[0]
			if (!file) return console.log('没有选中文件')
			this.init(file)
		},
        exportFile() {
            exportExcel(luckysheet.getAllSheets(), 'fileName');
        }
	},
}
</script>
<style lang="scss" scoped>
#luckysheet {
	width: 80vw;
    height: 70vh;
	flex: 1;
	box-shadow: inset 0 0 3px #ccc;
}
.control {
	display: flex;
	align-items: center;
	justify-content: space-between;
	box-sizing: border-box;
}
.control p + p {
	margin-left: 10px;
	padding-left: 10px;
	border-left: 1px solid #ccc;
}
</style>

使用组件

<template>`
<LuckyExcel></LuckyExcel>
</template>
components: {LuckyExcel},