export.js
// import { createCellPos } from './translateNumToLetter'
import Excel from 'exceljs'
import FileSaver from 'file-saver'
const exportExcel = function(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]
}
// console.log('luckysheet', luckysheet.getAllSheets())
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) || {}
const columnlenInfo = (table.config && table.config.columnlen) || {}
// 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)
setColumnlen(columnlenInfo, worksheet)
// 处理图片
console.log('table.images', table)
setImages(table, worksheet, workbook);
return true
})
// console.log('getColumnWidth', luckysheet.getColumnWidth([0,1,2]))
// 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'
})
console.log("导出成功!")
FileSaver.saveAs(blob, `${value}.xlsx`)
})
return buffer
}
var setColumnlen = function(columnlenInfo, worksheet) {
// console.log('columnlenInfo', columnlenInfo)
const columnlenArr = Object.values(columnlenInfo)
columnlenArr.forEach(function(elem,key) {
// console.log('elem', elem,key, worksheet.columns[key])
if (elem&& worksheet.columns[key]!=undefined) {
worksheet.columns[key].width = Math.ceil(elem / 8);
}
})
}
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
)
})
}
//获取图片在单元格的位置
var getImagePosition =function(num,arr){
let index = 0;
let minIndex;
let maxIndex;
for (let i = 0; i < arr.length; i++) {
if (num < arr[i]) {
index = i;
break;
}
}
if(index==0){
minIndex = 0;
maxIndex = 1;
return Math.abs((num-0)/(arr[maxIndex]-arr[minIndex]))+index;
}
else if(index == arr.length-1){
minIndex = arr.length-2;
maxIndex = arr.length-1;
}
else{
minIndex = index-1;
maxIndex = index;
}
let min = arr[minIndex];
let max = arr[maxIndex];
let radio = Math.abs((num-min)/(max-min))+index
return radio;
}
var setImages = function (table, worksheet, workbook) {
let {
images,
visibledatacolumn,//所有行的位置
visibledatarow //所有列的位置
} = {...table}
if (typeof images != 'object') return;
for (let key in images) {
// 通过 base64 将图像添加到工作簿
const myBase64Image = images[key].src;
//开始行 开始列 结束行 结束列
const item = images[key];
const imageId = workbook.addImage({
base64: myBase64Image,
extension: 'png'
});
// console.log("images[key]",item);
if (item.type == "2") {
worksheet.addImage(imageId, {
tl: { col: item.fromCol, row: item.fromRow },
br: { col: item.toCol, row: item.toRow },
editAs: 'oneCell',
});
}else{
if(item.hasOwnProperty('fromCol')&&item.hasOwnProperty('fromRow')){
col_st = item.fromCol;
row_st = item.fromRow;
worksheet.addImage(imageId, {
tl: { col: item.fromCol, row: item.fromRow },
br: { col: item.toCol, row: item.toRow },
editAs: 'oneCell',
});
}else{
const col_st = getImagePosition(item.default.left,visibledatacolumn);
const row_st = getImagePosition(item.default.top,visibledatarow);
//模式1,图片左侧与luckysheet位置一样,像素比例保持不变,但是,右侧位置可能与原图所在单元格不一致
worksheet.addImage(imageId, {
tl: { col: col_st, row: row_st},
ext: { width: item.default.width, height: item.default.height },
});
// console.log("col_st",col_st,"row_st",row_st);
}
}
//模式2,图片四个角位置没有变动,但是图片像素比例可能和原图不一样
// const w_ed = item.default.left+item.default.width;
// const h_ed = item.default.top+item.default.height;
// const col_ed = getImagePosition(w_ed,visibledatacolumn);
// const row_ed = getImagePosition(h_ed,visibledatarow);
// worksheet.addImage(imageId, {
// tl: { col: col_st, row: row_st},
// br: { col: col_ed, row: row_ed},
// });
}
};
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
}
export {
exportExcel
}
其他文件中使用
import { exportExcel } from '../utils/export'
const option = ref({
container: 'luckysheet',
lang:'zh',
allowUpdate:true,
// updateImageUrl: '/apiLuckysheet' + "/luckysheet/api/updateImg",
// updateUrl: "ws://"+ '127.0.0.1:9004'+"/luckysheet/websocket/luckysheet",
// "gridKey": "1079500#-8803#7c45f52b7d01486d88bc53cb17dcd2c3",
// loadUrl: '/apiLuckysheet' + "/luckysheet/api/load",
// loadSheetUrl: '/apiLuckysheet' + "/luckysheet/api/loadsheet",
showinfobar : true,
functionButton:'<span class="downloadExcel" style="font-size:16px;color:#00468c;cursor: pointer;"><i class="fa fa-download" aria-hidden="true"></i> 下载</span> <span class="saveExcel" style="font-size:16px;color:#00468c;display:none;cursor: pointer;"><i class="fa fa-save" aria-hidden="true"></i> 保存</span>',
hook:{
workbookCreateAfter: function (jsonData) {
// "luckysheet-share-logo" 隐藏logo
document.querySelector(".luckysheet-share-logo").style.display = "none";
document.querySelector(".luckysheet_info_detail_back").style.display = "none";
// console.info("workbookCreateAfter",jsonData)
// console.log(ObjData.value)
// 保存文件
var saveExcelButton = document.querySelector('.saveExcel');
saveExcelButton.addEventListener('click', function() {
// 在这里添加您需要执行的操作
console.log('Save Excel button clicked!');
// post data
var params = {};
params.ObjectID = parseInt(ObjData.value.ObjectID);
params.versionID = parseInt(ObjData.value.VersionID);
// let jsonStr = JSON.stringify(window.luckysheet.getAllSheets());
// 将JSON字符串转换为Uint8Array
// let encoder = new TextEncoder();
// let jsonStr2data = encoder.encode(jsonStr);
// 将Uint8Array转换为Base64
// let base64Str = btoa(String.fromCharCode.apply(null, jsonStr2data));
// const chunkSize = 1024; // 块大小(字符数)
// let base64Chunks = [];
// const encodedString = encodeURIComponent(jsonStr); // 对字符串进行编码
// for (let i = 0; i < encodedString.length; i += chunkSize) {
// const chunk = encodedString.substring(i, i + chunkSize);
// base64Chunks.push(btoa(chunk));
// }
// const base64Str = base64Chunks.join("");
params.luckysheet = window.luckysheet.getAllSheets();
// 再转为base64
service.post('/app/fileobject/saveExcel.ashx', params,{headers:{
// 'Content-Type':'application/x-www-form-urlencoded'
}}).then(function (response) {
// console.log(response.data);
if(response.data.code==0){
// alert("保存成功");
message.value?.success("保存成功")
}else{
// alert("保存失败");
message.value?.warning("保存失败")
}
}).catch(function (error) {
console.log(error);
});
});
// 下载文件
var downloadExcelButton = document.querySelector('.downloadExcel');
downloadExcelButton.addEventListener('click', function() {
// 在这里添加您需要执行的操作
// console.log('downloadExcelButton clicked!');
// console.log(JSON.stringify(window.luckysheet.getAllSheets()));
exportExcel(window.luckysheet.getAllSheets(), ObjData.value.fName.split(".")[0])
});
},
}
})
window.luckysheet.create({
container: 'luckysheet',
lang:'zh',
})
参考文档
https://blog.csdn.net/zinchliang/article/details/120262185
https://blog.csdn.net/csdn_lsy/article/details/107179708
https://github.com/exceljs/exceljs/blob/HEAD/README_zh.md