65 lines
2.7 KiB
TypeScript
65 lines
2.7 KiB
TypeScript
import { app } from 'electron';
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import fs from 'fs';
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import path from 'node:path';
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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export const uploadFile = (filePaths: string[], _sender: Electron.WebContents) => {
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// 获取用户当前文件夹路径
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const saveDirectoryPath = app.getPath('userData');
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for (let i = 0; i < filePaths.length; i++) {
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const fileName = path.basename(filePaths[i]);
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const targetFilePath = path.join(saveDirectoryPath, fileName);
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const fileStream = fs.createWriteStream(targetFilePath);
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fileStream.write(fs.readFileSync(filePaths[i]));
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fileStream.end();
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console.log('Uploaded file saved at:', targetFilePath);
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}
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// const fileSize = fs.statSync(filePath).size;
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// let uploadedSize = 0;
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// const readStream = fs.createReadStream(filePath);
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// readStream.on('data', (chunk) => {
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// uploadedSize += chunk.length;
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// const progress = Math.round((uploadedSize / fileSize) * 100);
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// sender.send('upload-progress', progress);
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// });
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// readStream.on('end', () => {
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// sender.send('upload-success');
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// });
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// readStream.on('error', (err) => {
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// sender.send('upload-error', err.message);
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// });
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}
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export const singleUpload = (file: File) => {
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let path = file.path; //文件本地路径
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let stats = fs.statSync(path); //读取文件信息
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let chunkSize = 3 * 1024 * 1024; //每片分块的大小3M
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let size = stats.size; //文件大小
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let pieces = Math.ceil(size / chunkSize); //总共的分片数
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function uploadPiece (i: number) {
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//计算每块的结束位置
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let enddata = Math.min(size, (i + 1) * chunkSize);
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let arr: any[] = [];
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//创建一个readStream对象，根据文件起始位置和结束位置读取固定的分片
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let readStream = fs.createReadStream(path, { start: i * chunkSize, end: enddata - 1 });
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//on data读取数据
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readStream.on('data', (data)=>{
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arr.push(data)
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})
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//on end在该分片读取完成时触发
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readStream.on('end', ()=>{
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//这里服务端只接受blob对象，需要把原始的数据流转成blob对象，这块为了配合后端才转
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let blob = new Blob(arr)
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//新建formdata数据对象
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var formdata = new FormData();
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formdata.append("file", blob);
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console.log('blob.size',blob.size)
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formdata.append("size", size + ''); // 数字30被转换成字符串"30"
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formdata.append("chunk", i + '');//第几个分片，从0开始
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formdata.append("chunks", pieces + '');//分片数
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}
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} |