async function exportExcel(luckysheet) { // 参数为luckysheet.getluckysheetfile()获取的对象
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// 参数为luckysheet.getluckysheetfile()获取的对象
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// 1.创建工作簿，可以为工作簿添加属性
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const workbook = new ExcelJS.Workbook()
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// 2.创建表格，第二个参数可以配置创建什么样的工作表
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luckysheet.forEach(function(table) {
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if (table.data.length === 0) return true
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// ws.getCell('B2').fill = fills.
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const worksheet = workbook.addWorksheet(table.name)
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const merge = (table.config && table.config.merge) || {}
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const borderInfo = (table.config && table.config.borderInfo) || {}
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// 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
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setStyleAndValue(table.data, worksheet)
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setMerge(merge, worksheet)
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setBorder(borderInfo, worksheet)
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return true
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})
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// 4.写入 buffer
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const buffer = await workbook.xlsx.writeBuffer()
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return buffer
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}
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var setMerge = function (luckyMerge = {}, worksheet) {
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const mergearr = Object.values(luckyMerge)
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mergearr.forEach(function (elem) { // elem格式：{r: 0, c: 0, rs: 1, cs: 2}
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// 按开始行，开始列，结束行，结束列合并（相当于 K10:M12）
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worksheet.mergeCells(elem.r + 1, elem.c + 1, elem.r + elem.rs, elem.c + elem.cs)
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})
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}
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var saveFile = function(buf,name) {
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let blob = new Blob([buf], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8' });
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const downloadElement = document.createElement('a');
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let href = window.URL.createObjectURL(blob);
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downloadElement.href = href;
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downloadElement.download = name+".xlsx"; // 文件名字
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document.body.appendChild(downloadElement);
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downloadElement.click();
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document.body.removeChild(downloadElement); // 下载完成移除元素
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window.URL.revokeObjectURL(href); // 释放掉blob对象
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}
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var setBorder = function (luckyBorderInfo, worksheet) {
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if (!Array.isArray(luckyBorderInfo)) return
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// console.log('luckyBorderInfo', luckyBorderInfo)
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luckyBorderInfo.forEach(function(elem) {
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// 现在只兼容到borderType 为range的情况
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// console.log('ele', elem)
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if (elem.rangeType === 'range') {
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let border = borderConvert(elem.borderType, elem.style, elem.color)
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let rang = elem.range[0]
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// console.log('range', rang)
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let row = rang.row
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let column = rang.column
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for (let i = row[0] + 1; i < row[1] + 2; i++) {
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for (let y = column[0] + 1; y < column[1] + 2; y++) {
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worksheet.getCell(i, y).border = border
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}
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}
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}
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if (elem.rangeType === 'cell') {
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// col_index: 2
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// row_index: 1
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// b: {
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// color: '#d0d4e3'
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// style: 1
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// }
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const { col_index, row_index } = elem.value
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const borderData = Object.assign({}, elem.value)
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delete borderData.col_index
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delete borderData.row_index
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let border = addborderToCell(borderData, row_index, col_index)
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// console.log('bordre', border, borderData)
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worksheet.getCell(row_index + 1, col_index + 1).border = border
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}
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// console.log(rang.column_focus + 1, rang.row_focus + 1)
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// worksheet.getCell(rang.row_focus + 1, rang.column_focus + 1).border = border
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})
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}
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var setStyleAndValue = function (cellArr, worksheet) {
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// if (!Array.isArray(cellArr)) return
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// cellArr.forEach(function (row, rowid) {
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// row.every(function (cell, columnid) {
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// if (!cell) return true
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// let fill = fillConvert(cell.bg)
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// let font = fontConvert(cell.ff, cell.fc, cell.bl, cell.it, cell.fs, cell.cl, cell.ul)
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// let alignment = alignmentConvert(cell.vt, cell.ht, cell.tb, cell.tr)
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// let value
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// if (cell.f) {
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// value = { formula: cell.f, result: cell.v }
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// } else {
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// value = cell.v
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// }
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// let target = worksheet.getCell(rowid + 1, columnid + 1)
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// target.fill = fill
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// target.font = font
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// target.alignment = alignment
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// target.value = value
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// return true
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// })
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// })
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if (!Array.isArray(cellArr)) return
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cellArr.forEach(function(row, rowid) {
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row.every(function(cell, columnid) {
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if (!cell) return true
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let fill = fillConvert(cell.bg)
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let font = fontConvert(
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cell.ff,
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cell.fc,
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cell.bl,
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cell.it,
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cell.fs,
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cell.cl,
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cell.ul
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)
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let alignment = alignmentConvert(cell.vt, cell.ht, cell.tb, cell.tr)
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let value = ''
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if (cell.f) {
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value = { formula: cell.f, result: cell.v }
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} else if (!cell.v && cell.ct && cell.ct.s) {
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// 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
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// value = cell.ct.s[0].v
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cell.ct.s.forEach(arr => {
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value += arr.v
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})
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} else {
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value = cell.v
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}
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// style 填入到_value中可以实现填充色
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let letter = createCellPos(columnid)
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let target = worksheet.getCell(letter + (rowid + 1))
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// console.log('1233', letter + (rowid + 1))
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for (const key in fill) {
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target.fill = fill
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break
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}
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target.font = font
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target.alignment = alignment
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target.value = value
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return true
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})
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})
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}
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var fillConvert = function (bg) {
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if (!bg) {
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return {}
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}
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let fill = {
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type: 'pattern',
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pattern: 'solid',
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fgColor: {argb: bg.replace('#', '')}
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}
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return fill
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}
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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)
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const luckyToExcel = {
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0: '微软雅黑',
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1: '宋体（Song）',
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2: '黑体（ST Heiti）',
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3: '楷体（ST Kaiti）',
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4: '仿宋（ST FangSong）',
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5: '新宋体（ST Song）',
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6: '华文新魏',
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7: '华文行楷',
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8: '华文隶书',
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9: 'Arial',
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10: 'Times New Roman ',
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11: 'Tahoma ',
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12: 'Verdana',
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num2bl: function (num) {
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return num === 0 ? false : true
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}
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}
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let font = {
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name: luckyToExcel[ff],
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family: 1,
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size: fs,
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color: {argb: fc.replace('#', '')},
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bold: luckyToExcel.num2bl(bl),
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italic: luckyToExcel.num2bl(it),
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underline: luckyToExcel.num2bl(ul),
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strike: luckyToExcel.num2bl(cl)
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}
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return font
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}
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var alignmentConvert = function (vt = 'default', ht = 'default', tb = 'default', tr = 'default') { // luckysheet:vt(垂直), ht(水平), tb(换行), tr(旋转)
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const luckyToExcel = {
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vertical: {
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0: 'middle',
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1: 'top',
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2: 'bottom',
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default: 'top'
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},
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horizontal: {
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0: 'center',
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1: 'left',
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2: 'right',
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default: 'left'
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},
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wrapText: {
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0: false,
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1: false,
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2: true,
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default: false
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},
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textRotation: {
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0: 0,
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1: 45,
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2: -45,
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3: 'vertical',
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4: 90,
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5: -90,
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default: 0
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}
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}
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let alignment = {
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vertical: luckyToExcel.vertical[vt],
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horizontal: luckyToExcel.horizontal[ht],
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wrapText: luckyToExcel.wrapText[tb],
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textRotation: luckyToExcel.textRotation[tr]
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}
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return alignment
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}
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var borderConvert = function (borderType, style = 1, color = '#000') { // 对应luckysheet的config中borderinfo的的参数
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if (!borderType) {
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return {}
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}
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const luckyToExcel = {
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type: {
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'border-all': 'all',
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'border-top': 'top',
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'border-right': 'right',
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'border-bottom': 'bottom',
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'border-left': 'left'
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},
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style: {
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0: 'none',
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1: 'thin',
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2: 'hair',
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3: 'dotted',
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4: 'dashDot', // 'Dashed',
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5: 'dashDot',
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6: 'dashDotDot',
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7: 'double',
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8: 'medium',
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9: 'mediumDashed',
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10: 'mediumDashDot',
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11: 'mediumDashDotDot',
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12: 'slantDashDot',
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13: 'thick'
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}
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}
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let template = {style: luckyToExcel.style[style], color: {argb: color.replace('#', '')}}
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let border = {}
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if (luckyToExcel.type[borderType] === 'all') {
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border['top'] = template
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border['right'] = template
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border['bottom'] = template
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border['left'] = template
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} else {
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border[luckyToExcel.type[borderType]] = template
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}
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return border
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}
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function addborderToCell(borders, row_index, col_index) {
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let border = {}
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const luckyExcel = {
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type: {
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l: 'left',
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r: 'right',
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b: 'bottom',
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t: 'top'
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},
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style: {
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0: 'none',
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1: 'thin',
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2: 'hair',
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3: 'dotted',
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4: 'dashDot', // 'Dashed',
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5: 'dashDot',
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6: 'dashDotDot',
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7: 'double',
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8: 'medium',
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9: 'mediumDashed',
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10: 'mediumDashDot',
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11: 'mediumDashDotDot',
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12: 'slantDashDot',
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13: 'thick'
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}
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}
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// console.log('borders', borders)
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for (const bor in borders) {
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// console.log(bor)
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if (borders[bor].color.indexOf('rgb') === -1) {
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border[luckyExcel.type[bor]] = {
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style: luckyExcel.style[borders[bor].style],
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color: { argb: borders[bor].color.replace('#', '') }
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}
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} else {
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border[luckyExcel.type[bor]] = {
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style: luckyExcel.style[borders[bor].style],
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color: { argb: borders[bor].color }
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}
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}
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}
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return border
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}
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function createCellPos(n) {
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let ordA = 'A'.charCodeAt(0)
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let ordZ = 'Z'.charCodeAt(0)
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let len = ordZ - ordA + 1
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let s = ''
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while (n >= 0) {
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s = String.fromCharCode((n % len) + ordA) + s
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n = Math.floor(n / len) - 1
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}
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return s
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}
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