vue 下使用 exceljs + x-spreadsheet 带样式导出Excel
Posted lee576
tags:
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接上一篇，这次加入的是从x-speadsheet导出Excel，并且带有x-speadsheet中的样式，重点关注 exportExcel 这个方法，我加入了 tinycolor 这个库用来翻译颜色值，值得注意的是， exceljs的颜色值是 argb 不是 rgba，一定不要弄混了a 是代表的透明度放在最前面
<template>
<div class="container">
<div class="toolbar">
<input
type="file"
@change="loadExcelFile"
accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,application/vnd.ms-excel"
/>
<button @click="exportJson">导出JSON</button>
<button @click="exportExcel">导出xlsx</button>
</div>
<!--web spreadsheet组件-->
<div ref="sheetContainer" class="grid" id="x-spreadsheet-demo"></div>
</div>
</template>
<script>
// 在spreadsheet.js中初始化json数据 https://blog.csdn.net/CBGCampus/article/details/125366246
// 带样式导出 https://blog.csdn.net/weixin_42302145/article/details/121476579
// 引入依赖包
import Spreadsheet from "x-data-spreadsheet";
import zhCN from 'x-data-spreadsheet/src/locale/zh-cn'
import _ from "lodash";
import * as XLSX from "xlsx";
import * as Excel from 'exceljs/dist/exceljs'
import * as tinycolor from "tinycolor2";
export default
name: "xspreadsheet-demo",
data()
return
xs: null,
jsondata:
type: "",
label: "",
,
;
,
mounted()
this.init();
,
methods:
init()
//设置中文
Spreadsheet.locale("zh-cn", zhCN);
this.xs = new Spreadsheet("#x-spreadsheet-demo",
mode: "edit",
showToolbar: true,
showGrid: true,
showContextmenu: true,
showBottomBar: true,
view:
height: () => (_.isNumber(this.$refs.sheetContainer.offsetHeight) && this.$refs.sheetContainer)? this.$refs.sheetContainer.offsetHeight : 0,
width: () => (_.isNumber(this.$refs.sheetContainer.offsetWidth) && this.$refs.sheetContainer)? this.$refs.sheetContainer.offsetWidth : 0 ,
,
formats: [],
fonts: [],
formula: [],
row:
len: 9999,
height: 25,
,
col:
len: 26,
width: 100,
indexWidth: 60,
minWidth: 60,
,
style:
bgcolor: "#ffffff",
align: "left",
valign: "middle",
textwrap: false,
textDecoration: "normal",
strikethrough: false,
color: "#0a0a0a",
align: "center",
valign: "middle",
font:
name: "Helvetica",
size: 10,
bold: false,
italic: false,
,
)
.loadData([
name: "调配单变量",
styles : [
/*表头样式*/
bgcolor: '#f4f5f8',
textwrap: true,
color: '#900b09',
border:
top: ['thin', '#1E1E1E'],
bottom: ['thin', '#1E1E1E'],
right: ['thin', '#1E1E1E'],
left: ['thin', '#1E1E1E'],
,
font:
bold: true
],
rows: [
cells: [
text:'序号',
editable: false,
style: 0
,
text:'订单号',
editable: false,
style: 0
]
],
merges:[]
])
.change((cdata) =>
);
this.xs
.on("cell-selected", (cell, ri, ci) =>
console.log("cell:", cell, ", ri:", ri, ", ci:", ci);
)
.on("cell-edited", (text, ri, ci) =>
console.log("text:", text, ", ri: ", ri, ", ci:", ci);
);
,
transRgba(rgba)
let result = '';
let reg = /\\(.*\\)/; //字符串匹配括号内的子串
let arr = []
result = reg.exec(rgba)[0]; // 截取'(255,255,255,0.6)'
result = result.substr(1, result.length - 2); //截取十进制的'255,255,255,0.6'
arr = result.split(','); //字符串切割 ['255','255','255','0.6']
for (let i = 0; i < arr.length; i++)
arr[i] = parseFloat(arr[i]); //字符串类型转为浮点数类型
if (i == arr.length - 1) //对于最后一个透明度数据，需要先将0-1的数值*255
arr[i] = arr[i] * 255;
arr[i] = trans10to16(arr[i]);
return arr.join('');
,
// 导入excel
loadExcelFile(e)
const wb = new Excel.Workbook();
const reader = new FileReader()
reader.readAsArrayBuffer(e.target.files[0])
reader.onload = () =>
const buffer = reader.result;
// 微软的 Excel ColorIndex 一个索引数字对应一个颜色
const indexedColors = [
'000000',
'FFFFFF',
'FF0000',
'00FF00',
'0000FF',
'FFFF00',
'FF00FF',
'00FFFF',
'000000',
'FFFFFF',
'FF0000',
'00FF00',
'0000FF',
'FFFF00',
'FF00FF',
'00FFFF',
'800000',
'008000',
'000080',
'808000',
'800080',
'008080',
'C0C0C0',
'808080',
'9999FF',
'993366',
'FFFFCC',
'CCFFFF',
'660066',
'FF8080',
'0066CC',
'CCCCFF',
'000080',
'FF00FF',
'FFFF00',
'00FFFF',
'800080',
'800000',
'008080',
'0000FF',
'00CCFF',
'CCFFFF',
'CCFFCC',
'FFFF99',
'99CCFF',
'FF99CC',
'CC99FF',
'FFCC99',
'3366FF',
'33CCCC',
'99CC00',
'FFCC00',
'FF9900',
'FF6600',
'666699',
'969696',
'003366',
'339966',
'003300',
'333300',
'993300',
'993366',
'333399',
'333333',
];
wb.xlsx.load(buffer).then(workbook =>
let workbookData = []
console.log(workbook)
workbook.eachSheet((sheet, sheetIndex) =>
// 构造x-data-spreadsheet 的 sheet 数据源结构
let sheetData = name: sheet.name,styles : [], rows: , merges:[]
// 收集合并单元格信息
let mergeAddressData = []
for(let mergeRange in sheet._merges)
sheetData.merges.push(sheet._merges[mergeRange].shortRange)
let mergeAddress =
// 合并单元格起始地址
mergeAddress.startAddress = sheet._merges[mergeRange].tl
// 合并单元格终止地址
mergeAddress.endAddress = sheet._merges[mergeRange].br
// Y轴方向跨度
mergeAddress.YRange = sheet._merges[mergeRange].model.bottom - sheet._merges[mergeRange].model.top
// X轴方向跨度
mergeAddress.XRange = sheet._merges[mergeRange].model.right - sheet._merges[mergeRange].model.left
mergeAddressData.push(mergeAddress)
sheetData.cols =
for(let i = 0;i < sheet.columns.length; i++)
sheetData.cols[i.toString()] =
if(sheet.columns[i].width)
// 不知道为什么从 exceljs 读取的宽度显示到 x-data-spreadsheet 特别小, 这里乘以8
sheetData.cols[i.toString()].width = sheet.columns[i].width * 8
else
// 默认列宽
sheetData.cols[i.toString()].width = 100
// 遍历行
sheet.eachRow((row, rowIndex) =>
sheetData.rows[(rowIndex - 1).toString()] = cells:
//includeEmpty = false 不包含空白单元格
row.eachCell( includeEmpty: true , function(cell, colNumber)
let cellText = ''
if(cell.value && cell.value.result)
// Excel 单元格有公式
cellText = cell.value.result
else if(cell.value && cell.value.richText)
// Excel 单元格是多行文本
for(let text in cell.value.richText)
// 多行文本做累加
cellText += cell.value.richText[text].text
else
// Excel 单元格无公式
cellText = cell.value
//解析单元格,包含样式
//*********************单元格存在背景色******************************
// 单元格存在背景色
let backGroundColor = null
if(cell.style.fill && cell.style.fill.fgColor && cell.style.fill.fgColor.argb)
// 8位字符颜色先转rgb再转16进制颜色
backGroundColor = ((val) =>
val = val.trim().toLowerCase(); //去掉前后空格
let color = ;
try
let argb = /^#?([a-f\\d]2)([a-f\\d]2)([a-f\\d]2)([a-f\\d]2)$/i.exec(val);
color.r = parseInt(argb[2], 16);
color.g = parseInt(argb[3], 16);
color.b = parseInt(argb[4], 16);
color.a = parseInt(argb[1], 16) / 255;
return tinycolor(`rgba($color.r, $color.g, $color.b, $color.a)`).toHexString()
catch (e)
console.log(e)
)(cell.style.fill.fgColor.argb)
if(backGroundColor)
cell.style.bgcolor = backGroundColor
//*************************************************************************** */
//*********************字体存在背景色******************************
// 字体颜色
let fontColor = null
if(cell.style.font && cell.style.font.color && cell.style.font.color.argb)
// 8位字符颜色先转rgb再转16进制颜色
fontColor = ((val) =>
val = val.trim().toLowerCase(); //去掉前后空格
let color = ;
try
let argb = /^#?([a-f\\d]2)([a-f\\d]2)([a-f\\d]2)([a-f\\d]2)$/i.exec(val)
color.r = parseInt(argb[2], 16);
color.g = parseInt(argb[3], 16);
color.b = parseInt(argb[4], 16);
color.a = parseInt(argb[1], 16) / 255;
return tinycolor(`rgba($color.r, $color.g, $color.b, $color.a)`).toHexString()
catch (e)
console.log(e)
)(cell.style.font.color.argb)
if(fontColor)
//console.log(fontColor)
cell.style.color = fontColor
//************************************************************************ */
// exceljs 对齐的格式转成 x-date-spreedsheet 能识别的对齐格式
if(cell.style.alignment && cell.style.alignment.horizontal)
cell.style.align = cell.style.alignment.horizontal
cell.style.valign = cell.style.alignment.vertical
//处理合并单元格
let mergeAddress = _.find(mergeAddressData, function(o) return o.startAddress == cell._address )
if(mergeAddress)
// 遍历的单元格属于合并单元格
if(cell.master.address != mergeAddress.startAddress)
// 不是合并单元格中的第一个单元格不需要计入数据源
return
// 说明是合并单元格区域的起始单元格
sheetData.rows[(rowIndex - 1).toString()].cells[(colNumber - 1).toString()] = text: cellText, style: 0, merge: [mergeAddress.YRange, mergeAddress.XRange]
sheetData.styles.push(cell.style)
//对应的style存放序号
sheetData.rows[(rowIndex - 1).toString()].cells[(colNumber - 1).toString()].style = sheetData.styles.length - 1
else
// 非合并单元格
sheetData.rows[(rowIndex - 1).toString()].cells[(colNumber - 1).toString()] = text: cellText, style: 0
//解析单元格,包含样式
sheetData.styles.push(cell.style)
//对应的style存放序号
sheetData.rows[(rowIndex - 1).toString()].cells[(colNumber - 1).toString()].style = sheetData.styles.length - 1
);
)
workbookData.push(sheetData)
)
this.xs.loadData(workbookData);
)
,
// 导出excel
exportExcel()
const exceljsWorkbook = new Excel.Workbook();
exceljsWorkbook.modified = new Date();
this.xs.getData().forEach(function (xws)
let rowobj = xws.rows;
// 构造exceljs文档结构
const exceljsSheet = exceljsWorkbook.addWorksheet(xws.name)
// 读取列宽
let sheetColumns = []
let colIndex = 0
for(let col in xws.cols)
if(xws.cols[col].width)
sheetColumns.push( header: colIndex + '', key: colIndex + '', width: xws.cols[col].width / 8)
colIndex ++
exceljsSheet.columns = sheetColumns
for (let ri = 0; ri < rowobj.len; ++ri)
let row = rowobj[ri];
if (!row) continue;
// 构造exceljs的行(如果尚不存在，则将返回一个新的空对象)
const exceljsRow = exceljsSheet.getRow(ri + 1)
Object.keys(row.cells).forEach(function (k)
let idx = +k;
if (isNaN(idx)) return;
const exceljsCell = exceljsRow.getCell(Number(k) + 1)
exceljsCell.value = row.cells[k].text
//console.log(row.cells[k])
//console.log(xws.styles[row.cells[k].style])
// 水平对齐方式
if(xws.styles[row.cells[k].style] && xws.styles[row.cells[k].style].alignment)
if(xws.styles[row.cells[k].style].alignment.vertical)
if(exceljsCell.alignment == undefined)
exceljsCell.alignment =
exceljsCell.alignment.vertical = xws.styles[row.cells[k].style].alignment.vertical
// 垂直对齐方式
if(xws.styles[row.cells[k].style] && xws.styles[row.cells[k].style].valign)
if(!exceljsCell.alignment == undefined)
exceljsCell.alignment =
exceljsCell.alignment.horizontal = xws.styles[row.cells[k].style].valign
// 边框
exceljsCell.border = xws.styles[row.cells[k].style].border
// 背景色
if(xws.styles[row.cells[k].style].bgcolor)
let rgb = tinycolor(xws.styles[row.cells[k].style].bgcolor).toRgb()
let rHex = parseInt(rgb.r).toString(16).padStart(2, '0')
let gHex = parseInt(rgb.g).toString(16).padStart(2, '0')
let bHex = parseInt(rgb.b).toString(16).padStart(2, '0')
let aHex = parseInt(rgb.a).toString(16).padStart(2, '0')
let _bgColor = aHex + rHex + gHex + bHex
// 设置exceljs背景色
exceljsCell.fill =
type: 'pattern',
pattern:'solid',
fgColor:argb: _bgColor
// 字体
exceljsCell.font = xws.styles[row.cells[k].style].font
// 字体颜色
if(xws.styles[row.cells[k].style].color)
let rgb = tinycolor(xws.styles[row.cells[k].style].color).toRgb()
let rHex = parseInt(rgb.r).toString(16).padStart(2, '0')
let gHex = parseInt(rgb.g).toString(16).padStart(2, '0')
let bHex = parseInt(rgb.b).toString(16).padStart(2, '0')
let aHex = parseInt(rgb.a).toString(16).padStart(2, '0')
let _fontColor = aHex + rHex + gHex + bHex
exceljsCell.font.color = argb: _fontColor
// 合并单元格
if(row.cells[k].merge)
// 开始行
let startRow = ri + 1
// 结束行,加上Y轴跨度
let endRow = startRow + row.cells[k].merge[0]
// 开始列
let startColumn = Number(k) + 1
// 结束列,加上X轴跨度
let endColumn = startColumn + row.cells[k].merge[1]
// 按开始行，开始列，结束行，结束列合并
exceljsSheet.mergeCells(startRow,startColumn,endRow,endColumn);
);
);
// writeBuffer 把写好的excel 转换成 ArrayBuffer 类型
exceljsWorkbook.xlsx.writeBuffer().then((data) =>
const link = document.createElement('a');
// Blob 实现下载excel
const blob = new Blob([data],
type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8',
);
link.href = window.URL.createObjectURL(blob);
link.download = '调配单变量配置.xlsx';
link.click();
);
,
// 导出为 JSON
exportJson()
let sheetsData = this.xs.getData();
let rows = Object.entries(sheetsData[0].rows);
let objectProperties = [
"Index",
"OrderIndex",
"OrderNo",
"ProductName",
"OrderStatus",
];
let jsonData = [];
// 遍历数据，跳过第一行表头
for (let i = 1; i < rows.length; i++)
if (rows[i] && rows[i][1] && rows[i][1].cells)
let row = Object.entries(rows[i][1].cells);
// 构造行对象
let JsonRow =
Index: null,
OrderIndex: null,
OrderNo: null,
ProductName: null,
OrderStatus: null,
;
for (let k = 0; k < row.length; k++)
let cells = row[k];
JsonRow[objectProperties[k]] = cells[1].text;
jsonData.push(JsonRow);
console.log(jsonData);
,
stox(wb)
var out = [];
wb.SheetNames.forEach(function (name)
var o = name: name, rows: ;
var ws = wb.Sheets[name];
var aoa = XLSX.utils.sheet_to_json(ws, raw: false, header: 1 );
aoa.forEach(function (r, i)
var cells = ;
r.forEach(function (c, j)
cells[j] = text: c ;
);
o.rows[i] = cells: cells ;
);
out.push(o);
);
return out;
,
fixData(data)
var o = "",
l = 0,
w = 10240;
for (; l < data.byteLength / w; ++l)
o += String.fromCharCode.apply(
null,
new Uint8Array(data.slice(l * w, l * w + w))
);
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)));
return o;
,
,
;
</script>
<style lang="less" scoped>
.container
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
.toolbar
width: 100%;
height: 50px;
.grid
width: 100%;
height: calc(100% - 80px);
/deep/ .x-spreadsheet-toolbar
padding: 0px;
width: calc(100% - 2px) !important;
</style>以上是关于vue 下使用 exceljs + x-spreadsheet 带样式导出Excel的主要内容，如果未能解决你的问题，请参考以下文章
vue 下使用 exceljs + x-spreadsheet 带样式导出Excel