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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { app, BrowserWindow, ipcMain } from 'electron'; | ||
| import fs from 'fs'; | ||
| import { splitFlag } from '../paths'; | ||
|
|
||
| const TIME_OUT = 5000; // 5s 过期 | ||
| let generatorSeed = 0; | ||
| let pdfSeed = 0; | ||
|
|
||
| const tempPath = app.getPath('temp'); | ||
|
|
||
| function printPDF(win, file, tempFile, resolve) { | ||
| win.webContents.printToPDF({ | ||
| pageSize: 'A4', | ||
| printBackground: true, | ||
| }, (err, pdfData) => { | ||
| win.removeAllListeners('did-finish-load'); | ||
| win.removeAllListeners('did-fail-load'); | ||
| win.close(); // 销毁window | ||
| if (err) { | ||
| throw err; | ||
| } | ||
| fs.writeFileSync(file, pdfData); | ||
| if (fs.existsSync(tempFile)) { | ||
| fs.unlinkSync(tempFile); | ||
| } | ||
| pdfSeed++; | ||
| resolve('done'); | ||
| }); | ||
| } | ||
|
|
||
| // 导出为PDF | ||
| export function exportPDF(filePath, content) { | ||
| const tempFile = `${tempPath}${splitFlag}yosoro_pdf_${pdfSeed}.html`; | ||
| fs.writeFileSync(tempFile, content); // 写入临时html文件 | ||
| let windowToPDF = new BrowserWindow({ | ||
| show: false, | ||
| webPreferences: { | ||
| nodeIntegration: false, | ||
| }, | ||
| }); | ||
| windowToPDF.loadURL(`file://${tempFile}`); | ||
| return new Promise((resolve) => { | ||
| let timer = setTimeout(() => { | ||
| console.warn('waiting time over'); | ||
| printPDF(windowToPDF, filePath, tempFile, resolve); | ||
| }, 10000); | ||
| windowToPDF.webContents.once('did-finish-load', () => { | ||
| clearTimeout(timer); | ||
| timer = null; | ||
| printPDF(windowToPDF, filePath, tempFile, resolve); | ||
| }); | ||
| windowToPDF.webContents.once('did-fail-load', () => { | ||
| clearTimeout(timer); | ||
| timer = null; | ||
| windowToPDF.removeAllListeners('did-finish-load'); | ||
| windowToPDF.removeAllListeners('did-fail-load'); | ||
| windowToPDF.destroy(); | ||
| windowToPDF = null; | ||
| resolve('fail'); | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| export function generateHtml(content) { | ||
| let timer = null; | ||
| const webContents = BrowserWindow.getAllWindows()[0].webContents; | ||
| return new Promise((resolve, reject) => { | ||
| webContents.send('generate-html', { | ||
| seed: generatorSeed, | ||
| content, | ||
| }); | ||
| ipcMain.once(`return-generate-html-${generatorSeed}`, (event, payload) => { | ||
| clearTimeout(timer); | ||
| timer = null; | ||
| if (payload.success) { | ||
| resolve(payload.html); | ||
| } else { | ||
| reject(payload.msg); | ||
| } | ||
| }); | ||
| // 设置过期回调 | ||
| timer = setTimeout(() => { | ||
| reject('time out.'); | ||
| }, TIME_OUT); | ||
| generatorSeed++; | ||
| }); | ||
| } | ||
|
|
||
| function formatNumber(number) { | ||
| if (number < 10) { | ||
| return `0${number}`; | ||
| } | ||
| return `${number}`; | ||
| } | ||
|
|
||
|
|
||
| export function formatDate(date, type = 'normal') { | ||
| const newDate = new Date(date); | ||
| const year = newDate.getFullYear(); | ||
| const month = formatNumber(newDate.getMonth() + 1); | ||
| const day = formatNumber(newDate.getDate()); | ||
| const hour = formatNumber(newDate.getHours()); | ||
| const minutes = formatNumber(newDate.getMinutes()); | ||
| const seconds = formatNumber(newDate.getSeconds()); | ||
| if (type === 'normal') { | ||
| return `${year}-${month}-${day} ${hour}:${minutes}:${seconds}`; | ||
| } | ||
| return `${year}${month}${day}${hour}${minutes}${seconds}`; | ||
| } |
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