牢大:要不你搞个在线表格吧
我:...(这点工资配不上这个需求好吧)
算了还是搞一下吧
需求:网页处理excel表格,合并单元格,可以导入导出等
选型
看了很多框架,handsontable,SheetJS,Luckysheet,最终选用了Luckysheet,这个成本最低,只是导出稍微麻烦
Luckysheet:Luckysheet文档 (gitee.io)
前端基于excljs导出xlsx时图片资源的处理及踩坑实录 - 掘金 (juejin.cn)
React引入Luckysheet以及使用心得_luckysheet官方文档-CSDN博客
实践
组件LuckySheet.tsx
import { forwardRef, useEffect, useRef } from 'react';
import './index.less';
const LuckySheet = forwardRef(({ }, ref) => {
const containerRef = useRef(null);
function init() {
window.luckysheet?.create({
container: 'luckysheet',
showinfobar: false,
lang: 'zh',
title: '暂无',
showtoolbarConfig:{
// statusbar:false, // '工作表保护'
protection:false, // '工作表保护'
print:false, // '打印'
screenshot: false, // '截图'
chart: false,
pivotTable: false, //'数据透视表'
},
cellRightClickConfig:{
matrix: false
},
showsheetbarConfig:{
add: false, //新增sheet
menu: false, //sheet管理菜单
// sheet: false //sheet页显示
}
});
}
useEffect(() => {
init();
return ()=>{
window.luckysheet?.destroy()
}
}, []);
return <div ref={containerRef} id="luckysheet" className="lucky-container" />;
});
export default LuckySheet;
//.less
.lucky-container {
// position: absolute;
// top: 200px;
// left: 0px;
width: 100%;
// height:calc(100% -25px);
min-height: 820px;
margin: 0px;
padding: 0px;
.luckysheet-stat-area{
background-color: transparent;
}
.luckysheet-scrollbar-y{
z-index: 2;
}
}
exceltools.ts
const Excel = require('exceljs');
import { download } from '@/utils';
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') {
const border = borderConvert(elem.borderType, elem.style, elem.color);
const rang = elem.range[0];
// console.log('range', rang)
const row = rang.row;
const 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;
const 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;
const fill = fillConvert(cell.bg);
const font = fontConvert(cell.ff, cell.fc, cell.bl, cell.it, cell.fs, cell.cl, cell.ul);
const 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.m || cell.v;
}
// style 填入到_value中可以实现填充色
const letter = createCellPos(columnid);
const target = worksheet.getCell(letter + (rowid + 1));
// console.log(target, 'target', cell, 'cell');
// console.log('1233', letter + (rowid + 1))
for (const key in fill) {
target.fill = fill;
console.log(key);
break;
}
target.font = font;
target.alignment = alignment;
// 处理日期
if (target._value.model.type === 2) {
target.value = new Date(target.value);
}
target.value = value;
return true;
});
});
};
var setImages = function (imagesArr, worksheet, workbook) {
if (typeof imagesArr !== 'object') return;
for (const key in imagesArr) {
// console.log(imagesArr[key], 'imagesArr[key]');
// 通过 base64 将图像添加到工作簿
const myBase64Image = imagesArr[key].src;
// 开始行 开始列 结束行 结束列
const start = { col: imagesArr[key].fromCol, row: imagesArr[key].fromRow };
const end = { col: imagesArr[key].toCol + 1.5, row: imagesArr[key].toRow + 1.5 };
const imageId = workbook.addImage({
base64: myBase64Image,
extension: 'png',
// editAs: 'absolute',
tl: start,
br: end,
// tl: { col: imagesArr[key].fromRow + 0.5, row: imagesArr[key].fromCol + 0.5 },
// br: { col: imagesArr[key].toRow + 0.5, row: imagesArr[key].toCol + 0.5 },
ext: {
width: imagesArr[key].default.width || 200,
height: imagesArr[key].default.height || 200,
},
});
worksheet.addImage(imageId, {
tl: start,
br: end,
ext: {
width: imagesArr[key].default.width || 200,
height: imagesArr[key].default.height || 200,
},
});
}
};
var fillConvert = function (bg) {
if (!bg) {
return {};
}
// const bgc = bg.replace('#', '')
const 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;
},
};
// 出现Bug,导入的时候ff为luckyToExcel的val
const 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,
},
};
const 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',
},
};
const template = {
style: luckyToExcel.style[style],
color: { argb: color.replace('#', '') },
};
const 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, rowIndex, colIndex) {
const 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) {
const ordA = 'A'.charCodeAt(0);
const ordZ = 'Z'.charCodeAt(0);
const len = ordZ - ordA + 1;
let s = '';
while (n >= 0) {
s = String.fromCharCode((n % len) + ordA) + s;
n = Math.floor(n / len) - 1;
}
return s;
}
export default function (luckysheet, value) {
// 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
luckysheet.forEach(function (table) {
console.log(table, 'table');
if (table.data.length === 0) return true;
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,导出图片
setStyleAndValue(table.data, worksheet);
setMerge(merge, worksheet);
setBorder(borderInfo, worksheet);
setImages(table.images, worksheet, workbook);
return true;
});
// 4.写入 buffer
const buffer = workbook.xlsx.writeBuffer().then((data) => {
// const blob = new Blob([data], {
// type: 'application/vnd.ms-excel;charset=utf-8',
// });
// console.log('导出成功!');
// FileSaver.saveAs(blob, `${value}.xlsx`);
download(data, value, 'application/vnd.ms-excel;charset=utf-8');
});
return buffer;
}
使用
import React, { useRef, useState } from 'react';
import LuckySheet from '@/components/LuckySheet';
import { UploadOutlined,DownloadOutlined } from '@ant-design/icons';
import type { UploadProps } from 'antd';
import { Button, message, Upload,Space } from 'antd';
import output from "@/utils/exceltool";
import './index.less';
const ExcelOnline: React.FC = () => {
const props: UploadProps = {
showUploadList:false,
beforeUpload(file){
// console.log(file)
// if(file.status === 'done'){
window.LuckyExcel.transformExcelToLucky(file, function (exportJson, luckysheetfile) {
if (exportJson.sheets == null || exportJson.sheets.length == 0) {
message.error('无法读取 excel 文件的内容,目前不支持 xls 文件!')
return;
}
console.log(exportJson, luckysheetfile);
window.luckysheet?.destroy();
window.luckysheet?.create({
container: 'luckysheet', //luckysheet is the container id
showinfobar: false,
showtoolbarConfig:{
protection:false, // '工作表保护'
statusbar:false, // '工作表保护'
print:false, // '打印'
screenshot: false, // '截图'
chart: false,
pivotTable: false, //'数据透视表'
},
cellRightClickConfig:{
matrix: false
},
// showsheetbarConfig:{
// add: false, //新增sheet
// menu: false, //sheet管理菜单
// sheet: false //sheet页显示
// },
data: exportJson.sheets,
title: exportJson.info.name,
userInfo: exportJson.info.name.creator,
lang: 'zh'
});
});
return false
// }
},
maxCount: 1,
accept: '.xlsx;'
}
function handleSave() {
try {
const workbookName = window.luckysheet.getWorkbookName()
const data = window.luckysheet?.getluckysheetfile()
console.log(data,'data')
if (data) {
const fileName = workbookName || data.map(i=>i.name).join(',')+ '+' +new Date()
data && output(data,fileName)
} else {
message.error('无法保存 excel 文件的内容!')
}
} catch (error) {
message.error(error)
}
}
return (
<div className="excel-online">
<div className='title '>
在线表格
<Space>
<Upload {...props}>
<Button type='primary' icon={<UploadOutlined />}>导入</Button>
</Upload>
<Button onClick={handleSave} type='primary' icon={<DownloadOutlined />}>保存</Button>
</Space>
</div>
<div className="excel-online-inner">
{/* <div className="container"> */}
<LuckySheet/>
{/* </div> */}
</div>
</div>
);
};
export default ExcelOnline;
Umi.conf
{
...,
externals: {
luckysheet: 'window.luckysheet',
LuckyExcel: 'LuckyExcel',
},
scripts: [
'/luckySheet/plugin.js',
'/luckySheet/luckysheet.umd.js',
'/luckySheet/luckyexcel.umd.js',
],
styles: [
'/luckySheet/iconfont.css',
'/luckySheet/luckysheet.css',
'/luckySheet/plugins.css',
'/luckySheet/pluginsCss.css',
],
jsMinifier: 'terser'
}