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[TOC] > [electron初探问题总结](https://www.cnblogs.com/wonyun/p/10991984.html) # npm 安装 electron 依赖时下载失败(缓慢) ## 解决方式二 这种方式的弊端就是只针对当前项目。换一个项目又要再次修改。 1.修改项目下`node_modules/electron/install.js`文件,原文件有一段代码为: ~~~javascript // downloads if not cached ... arch: process.env.npm_config_arch || process.arch }).then((zipPath) => extractFile(zipPath)).catch((err) => onerror(err)) ~~~ 2.在原来的代码里添加代码(注意 `process.arch` 后需添加一个逗号) ~~~javascript // downloads if not cached ... arch: process.env.npm_config_arch || process.arch, // 此处加逗号 /****添加下面代码****/ mirrorOptions:{ mirror: 'https://npm.taobao.org/mirrors/electron/', customDir: version } /****添加上面代码****/ }).then((zipPath) => extractFile(zipPath)).catch((err) => onerror(err)) ~~~ 3.此时在 `node_modules/electron/` 目录下执行命令 ~~~bash node install.js ~~~ 注意:执行完后无打印内容,此时直接运行项目即可。 运行应用 ~~~bash npm start ~~~ # pouchdb 打包出错! webpack 在打包时会将会出错: <b style="color:red">Error: No native build was found for platform=win32 arch=x64 runtime=electron abi=80 uv=1 libc=glibc</b> 这种情况下,可以不将它打包在内: ~~~ const webpack = require("webpack"); { ... plugins: [new webpack.ExternalsPlugin("commonjs", ["leveldown"])] } ~~~ 或者这样: ~~~ { ... externals: { "pouchdb": "require('pouchdb')" } } ~~~ 如果你非要打包在一起: [https://github.com/nolanlawson/pouchdb-electron](https://github.com/nolanlawson/pouchdb-electron) > [Using Node.js addons in Electron's renderer with Webpack](https://stackoverflow.com/questions/50547649/using-node-js-addons-in-electrons-renderer-with-webpack) # 关于实现本地模块的导入: 生成一个不会被 webpack 解析的`require`函数: ```js const requireFunc = typeof __webpack_require__ === 'function' ? __non_webpack_require__ : require ``` preload.js: ``` window.require = __non_webpack_require__ ; // 原始的 require ``` # electron 无边框窗口拖拽 ```js import { screen, ipcMain } from 'electron'; //在一些机器上会出现拖动窗口导致的窗口大小莫名其妙改变的bug,这里采用在移动窗口的时候锁死窗口大小 export const windowMove = (win, id) => { let moving_interval = null; ipcMain.on('window-move-evt', (sender, data) => { if(data['id'] === id && data['move']){ const win_size = win.getSize(); const win_pos = win.getPosition(); const mos_pos = screen.getCursorScreenPoint(); if(moving_interval){ clearInterval(moving_interval); } moving_interval = setInterval(() => { const current_pos = screen.getCursorScreenPoint(); const x = win_pos[0] + current_pos.x - mos_pos.x; const y = win_pos[1] + current_pos.y - mos_pos.y; win.setBounds({ x: x, y: y, width: win_size[0], height: win_size[1] }); }, 15); }else{ clearInterval(moving_interval); } }); } ``` > [Electron 无边框窗口的拖动](https://www.jianshu.com/p/96327b044e85) > [electron 无边框窗口拖拽](https://zhuanlan.zhihu.com/p/112564936)