问题描述
我需要将文件下载到我的 Electron 程序中的特定位置.
我尝试实现 此 API 但失败了.
然后我尝试实现官方API,但不知道如何实际启动下载文件.
I need to download a file to a specific location in my Electron program.
I tried implementing this API but failed.
Then I tried implementing the official API, but couldn't realize how to actually start downloading the file.
如何将文件下载到特定位置,例如 C:Folder?
谢谢!
How can I download a file to a specific location, say C:Folder?
Thanks!
推荐答案
我最终使用了 electron-dl.
发送下载请求(来自 renderer.js):
ipcRenderer.send("download", { url: "URL is here", properties: {directory: "Directory is here"} });
在 main.js 中,您的代码如下所示:
In the main.js, your code would look something like this:
const {app, BrowserWindow, ipcMain} = require("electron"); const {download} = require("electron-dl"); let window; app.on("ready", () => { window = new BrowserWindow({ width: someWidth, height: someHeight }); window.loadURL(`file://${__dirname}/index.html`); ipcMain.on("download", (event, info) => { download(BrowserWindow.getFocusedWindow(), info.url, info.properties) .then(dl => window.webContents.send("download complete", dl.getSavePath())); }); });
下载完成"监听器位于 renderer.js 中,如下所示:
The "download complete" listener is in the renderer.js, and would look like:
const {ipcRenderer} = require("electron"); ipcRenderer.on("download complete", (event, file) => { console.log(file); // Full file path });
如果您想跟踪下载进度:
在main.js中:
ipcMain.on("download", (event, info) => { info.properties.onProgress = status => window.webContents.send("download progress", status); download(BrowserWindow.getFocusedWindow(), info.url, info.properties) .then(dl => window.webContents.send("download complete", dl.getSavePath())); });
在 renderer.js 中:
ipcRenderer.on("download progress", (event, progress) => { console.log(progress); // Progress in fraction, between 0 and 1 const progressInPercentages = progress * 100; // With decimal point and a bunch of numbers const cleanProgressInPercentages = Math.floor(progress * 100); // Without decimal point });