使用exceljs。文档：https://github.com/exceljs/exceljs/blob/HEAD/README_zh.md
参考：使用exceljs导出luckysheet表格_excel 转 luckysheet_lishy97的博客-CSDN博客
存在一些问题，欢迎交流
function exportExcelFront(luckysheet, name, excelType) {
// 1.创建工作簿，可以为工作簿添加属性
const workbook = new ExcelJS.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) {
// debugger
if (table.data.length === 0) return true
const worksheet = workbook.addWorksheet(table.name)
const merge = (table.config && table.config.merge) || {} //合并单元格
const borderInfo = (table.config && table.config.borderInfo) || {} //边框
const columnWidth = (table.config && table.config.columnlen) || {} //列宽
const rowHeight = (table.config && table.config.rowlen) || {} //行高
const frozen = table.frozen || {} //冻结
const rowhidden = (table.config && table.config.rowhidden) || {} //行隐藏
const colhidden = (table.config && table.config.colhidden) || {} //列隐藏
const filterSelect = table.filter_select || {} //筛选
const images = table.images || {} //图片
// console.log(table)
const hide = table.hide; //工作表 sheet 1隐藏
if (hide === 1) {
// 隐藏工作表
worksheet.state = 'hidden';
}
setStyleAndValue(table.data, worksheet)
setMerge(merge, worksheet)
setBorder(borderInfo, worksheet)
setImages(images, worksheet, workbook)
setColumnWidth(columnWidth, worksheet)
//行高设置50导出后在ms-excel中打开显示25，在wps-excel中打开显示50这个bug不会修复
setRowHeight(rowHeight, worksheet, excelType)
setFrozen(frozen, worksheet)
setRowHidden(rowhidden, worksheet)
setColHidden(colhidden, worksheet)
setFilter(filterSelect, worksheet)
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！")
saveAs(blob, `${name}.xlsx`)
})
return buffer
}
/**
* 列宽
* @param columnWidth
* @param worksheet
*/
var setColumnWidth = function (columnWidth, worksheet) {
for (let key in columnWidth) {
worksheet.getColumn(parseInt(key) + 1).width = columnWidth[key] / 7.5
}
}
/**
* 行高
* @param rowHeight
* @param worksheet
* @param excelType
*/
var setRowHeight = function (rowHeight, worksheet, excelType) {
//导出的文件用wps打开和用excel打开显示的行高大一倍
if (excelType == "wps") {
for (let key in rowHeight) {
worksheet.getRow(parseInt(key) + 1).height = rowHeight[key] * 0.75
}
}
if (excelType == "office" || excelType == undefined) {
for (let key in rowHeight) {
worksheet.getRow(parseInt(key) + 1).height = rowHeight[key] * 1.5
}
}
}
/**
* 合并单元格
* @param luckyMerge
* @param worksheet
*/
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
)
})
}
/**
* 设置边框
* @param luckyBorderInfo
* @param worksheet
*/
var setBorder = function (luckyBorderInfo, worksheet) {
if (!Array.isArray(luckyBorderInfo)) return
//合并边框信息
var mergeCellBorder = function (border1, border2) {
if (undefined === border1 || Object.keys(border1).length === 0) return border2;
return Object.assign({}, border1, border2)
}
// 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]
let row = rang.row
let column = rang.column
let rowBegin = row[0]
let rowEnd = row[1]
let colBegin = column[0]
let colEnd = column[1]
//处理外边框的情况 没有直接对应的外边框 需要转换成上下左右
if (border.all) {//全部边框
let b = border.all
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
border['top'] = b;
border['bottom'] = b;
border['left'] = b;
border['right'] = b;
worksheet.getCell(i, y).border = border
// console.log(i, y, worksheet.getCell(i, y).border)
}
}
} else if (border.top) {//上边框
let b = border.top
let i = row[0] + 1;
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
border['top'] = b;
worksheet.getCell(i, y).border = border
// console.log(i, y, worksheet.getCell(i, y).border)
}
} else if (border.right) {//右边框
let b = border.right
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
let y = column[1] + 1;
let border = {}
border['right'] = b;
worksheet.getCell(i, y).border = border
// console.log(i, y, worksheet.getCell(i, y).border)
}
} else if (border.bottom) {//下边框
let b = border.bottom
let i = row[1] + 1;
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
border['bottom'] = b;
worksheet.getCell(i, y).border = border
// console.log(i, y, worksheet.getCell(i, y).border)
}
} else if (border.left) {//左边框
let b = border.left
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
let y = column[0] + 1;
let border = {}
border['left'] = b;
worksheet.getCell(i, y).border = border
// console.log(i, y, worksheet.getCell(i, y).border)
}
} else if (border.outside) {//外边框
let b = border.outside
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
if (i === rowBegin + 1) {
border['top'] = b
}
if (i === rowEnd + 1) {
border['bottom'] = b
}
if (y === colBegin + 1) {
border['left'] = b
}
if (y === colEnd + 1) {
border['right'] = b
}
let border1 = worksheet.getCell(i, y).border
worksheet.getCell(i, y).border = mergeCellBorder(border1, border)
// console.log(i, y, worksheet.getCell(i, y).border)
}
}
} else if (border.inside) {//内边框
let b = border.inside
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
if (i !== rowBegin + 1) {
border['top'] = b
}
if (i !== rowEnd + 1) {
border['bottom'] = b
}
if (y !== colBegin + 1) {
border['left'] = b
}
if (y !== colEnd + 1) {
border['right'] = b
}
let border1 = worksheet.getCell(i, y).border
worksheet.getCell(i, y).border = mergeCellBorder(border1, border)
// console.log(i, y, worksheet.getCell(i, y).border)
}
}
} else if (border.horizontal) {//内侧水平边框
let b = border.horizontal
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
if (i === rowBegin + 1) {
border['bottom'] = b
} else if (i === rowEnd + 1) {
border['top'] = b
} else {
border['top'] = b
border['bottom'] = b
}
let border1 = worksheet.getCell(i, y).border
worksheet.getCell(i, y).border = mergeCellBorder(border1, border)
// console.log(i, y, worksheet.getCell(i, y).border)
}
}
} else if (border.vertical) {//内侧垂直边框
let b = border.vertical
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
let border = {}
if (y === colBegin + 1) {
border['right'] = b
} else if (y === colEnd + 1) {
border['left'] = b
} else {
border['left'] = b
border['right'] = b
}
let border1 = worksheet.getCell(i, y).border
worksheet.getCell(i, y).border = mergeCellBorder(border1, border)
// console.log(i, y, worksheet.getCell(i, y).border)
}
}
} else if (border.none) {//当luckysheet边框为border-none的时候表示没有边框 则将对应的单元格border清空
for (let i = row[0] + 1; i <= row[1] + 1; i++) {
for (let y = column[0] + 1; y <= column[1] + 1; y++) {
worksheet.getCell(i, y).border = {}
// console.log(i, y, worksheet.getCell(i, y).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)
let border1 = worksheet.getCell(row_index + 1, col_index + 1).border;
worksheet.getCell(row_index + 1, col_index + 1).border = mergeCellBorder(border1, border)
// console.log(row_index + 1, col_index + 1, worksheet.getCell(row_index + 1, col_index + 1).border)
}
})
}
/**
* 设置带样式的值
* @param cellArr
* @param worksheet
*/
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.un
)
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
let richText = [];
let cts = cell.ct.s
for (let i = 0; i < cts.length; i++) {
let rt = {
text: cts[i].v,
font: fontConvert(cts[i].ff, cts[i].fc, cts[i].bl, cts[i].it, cts[i].fs, cts[i].cl, cts[i].un)
}
richText.push(rt)
}
value = {
richText: richText
};
} else {
//设置值为数字格式
if (cell.v !== undefined && cell.v !== '') {
var v = +cell.v;
if (isNaN(v)) v = cell.v
value = 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
try {
//设置单元格格式
target.numFmt = cell.ct.fa;
} catch (e) {
console.warn(e)
}
return true
})
})
}
/**
* 设置图片
* @param images
* @param worksheet
* @param workbook
*/
var setImages = function (images, worksheet, workbook) {
if (typeof images != "object") return;
for (let key in images) {
// console.log(images[key]);
// "data:image/png;base64,iVBORw0KG..."
// 通过 base64 将图像添加到工作簿
const myBase64Image = images[key].src;
//位置
const tl = {col: images[key].default.left / 72, row: images[key].default.top / 19}
// 大小
const ext = {width: images[key].default.width, height: images[key].default.height}
const imageId = workbook.addImage({
base64: myBase64Image,
//extension: 'png',
});
worksheet.addImage(imageId, {
tl: tl,
ext: ext
});
}
}
/**
* 冻结行列
* @param frozen
* @param worksheet
*/
var setFrozen = function (frozen = {}, worksheet) {
switch (frozen.type) {
// 冻结首行
case 'row': {
worksheet.views = [
{state: 'frozen', xSplit: 0, ySplit: 1}
];
break
}
// 冻结首列
case 'column': {
worksheet.views = [
{state: 'frozen', xSplit: 1, ySplit: 0}
];
break
}
// 冻结行列
case 'both': {
worksheet.views = [
{state: 'frozen', xSplit: 1, ySplit: 1}
];
break
}
// 冻结行到选区
case 'rangeRow': {
let row = frozen.range.row_focus + 1
worksheet.views = [
{state: 'frozen', xSplit: 0, ySplit: row}
];
break
}
// 冻结列到选区
case 'rangeColumn': {
let column = frozen.range.column_focus + 1
worksheet.views = [
{state: 'frozen', xSplit: column, ySplit: 0}
];
break
}
// 冻结行列到选区
case 'rangeBoth': {
let row = frozen.range.row_focus + 1
let column = frozen.range.column_focus + 1
worksheet.views = [
{state: 'frozen', xSplit: column, ySplit: row}
];
}
}
}
/**
* 行隐藏
* @param rowhidden
* @param worksheet
*/
var setRowHidden = function (rowhidden = {}, worksheet) {
for (const key in rowhidden) {
//如果当前行没有内容则隐藏不生效
const row = worksheet.getRow(parseInt(key) + 1)
row.hidden = true;
}
}
/**
* 列隐藏
* @param colhidden
* @param worksheet
*/
var setColHidden = function (colhidden = {}, worksheet) {
for (const key in colhidden) {
const column = worksheet.getColumn(parseInt(key) + 1)
column.hidden = true;
}
}
/**
* 自动筛选器
* @param filter
* @param worksheet
*/
var setFilter = function (filter = {}, worksheet) {
if (Object.keys(filter).length === 0) return
const from = {
row: filter.row[0] + 1,
column: filter.column[0] + 1
}
const to = {
row: filter.row[1] + 1,
column: filter.column[1] + 1
}
worksheet.autoFilter = {
from: from,
to: to
}
}
var fillConvert = function (bg) {
if (!bg) {
return {}
}
// const bgc = bg.replace('#', '')
let fill = {
type: 'pattern',
pattern: 'solid',
fgColor: {argb: bg.startsWith("#") ? bg.replace('#', '') : colorRGBtoHex(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
let font = {
name: typeof ff === 'number' ? luckyToExcel[ff] : ff,
family: 1,
size: fs,
color: {argb: fc.startsWith("#") ? fc.replace('#', '') : colorRGBtoHex(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: 'middle'
},
horizontal: {
0: 'center',
1: 'left',
2: 'right',
default: 'center'
},
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',
'border-outside': 'outside',
'border-inside': 'inside',
'border-horizontal': 'horizontal',
'border-vertical': 'vertical',
'border-none': 'none',
},
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 border = {}
border[luckyToExcel.type[borderType]] = {
style: luckyToExcel.style[style],
color: {argb: color.replace('#', '')}
}
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
}
//rgb(255,255,255)转16进制 #ffffff
function colorRGBtoHex(color) {
color = color.replace("rgb", "").replace("(", "").replace(")", "")
var rgb = color.split(',');
var r = parseInt(rgb[0]);
var g = parseInt(rgb[1]);
var b = parseInt(rgb[2]);
return "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
}
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