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85 lines
2.5 KiB
85 lines
2.5 KiB
'use strict';
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const fs = require('fs');
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const xlsx = require('better-xlsx');
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const path = require('path')
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const moment = require('moment')
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module.exports = function (app, opts) {
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//递归创建目录 同步方法
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async function makeDir (dir) {
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if (!fs.existsSync(dir)) {
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makeDir(path.dirname(dir))
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fs.mkdirSync(dir, function (err) {
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if (err) {
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throw err
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}
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});
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}
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}
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async function simpleExcelDown ({ data = [], header = [], fileName = moment().format('YYYY-MM-DD HH:mm:ss'), format = '', formatKey = ''} = {}) {
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const fileDirPath = path.join(__dirname, `../../downloadFiles`)
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makeDir(fileDirPath)
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const file = new xlsx.File();
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const sheet_1 = file.addSheet('sheet_1');
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// header
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const headerStyle = new xlsx.Style();
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headerStyle.align.h = 'center';
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headerStyle.align.v = 'center';
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headerStyle.border.right = 'thin';
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headerStyle.border.rightColor = '#000000';
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headerStyle.border.bottom = 'thin';
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headerStyle.border.bottomColor = '#000000';
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const headerRow = sheet_1.addRow();
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const indexCell = headerRow.addCell();
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indexCell.value = '序号'
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indexCell.style = headerStyle
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for (let h of header) {
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const cell = headerRow.addCell();
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cell.value = h.title;
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cell.style = headerStyle
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}
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// data
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const style = new xlsx.Style();
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style.align.h = 'left';
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style.align.v = 'center';
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style.border.right = 'thin';
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style.border.rightColor = '#000000';
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style.border.bottom = 'thin';
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style.border.bottomColor = '#000000';
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for (let i = 0; i < data.length; i++) {
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const row = sheet_1.addRow();
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const indexCell = row.addCell();
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indexCell.value = i + 1
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indexCell.style = headerStyle
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for (let h of header) {
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const cell = row.addCell();
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if (format && formatKey && formatKey === h.key && data[i][h.key]) {
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cell.value = moment(data[i][h.key]).format(format);
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} else
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cell.value = data[i][h.key] || h.defaultValue || '-';
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cell.style = style
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}
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}
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const savePath = path.join(fileDirPath, fileName)
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await new Promise(function (resolve, reject) {
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file.saveAs()
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.pipe(fs.createWriteStream(savePath))
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.on('finish', () => {
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resolve()
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});
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})
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return savePath
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}
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return {
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simpleExcelDown,
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makeDir
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}
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}
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