Electron+vue从零开始打造一个本地播放器的方法示例

npm install -g @vue/cli
# OR
yarn global add @vue/cli

vue create music

vue add electron-builder

    fileAssociations: [
     {
      ext: ["mp3", "wav", "flac", "ogg", "m4a"],
      name: "music",
      role: "Editor"
     }
    ],

const filePath = process.argv[1];

let buffer = fs.readFileSync(diskPath); //读取文件，并将缓存区进行转换

const stream = this.bufferToStream(buffer);//将buffer数据转换成node 可读流

  bufferToStream(binary) {
   const readableInstanceStream = new Readable({
    read() {
     this.push(binary);
     this.push(null);
    }
   });
   return readableInstanceStream;
  }

module.exports = streamToBlob

function streamToBlob (stream, mimeType) {
 if (mimeType != null && typeof mimeType !== 'string') {
  throw new Error('Invalid mimetype, expected string.')
 }
 return new Promise((resolve, reject) => {
  const chunks = []
  stream
   .on('data', chunk => chunks.push(chunk))
   .once('end', () => {
    const blob = mimeType != null
     ? new Blob(chunks, { type: mimeType })
     : new Blob(chunks)
    resolve(blob)
   })
   .once('error', reject)
 })
}

 let fileUrl; // blob对象
 streamToBlob(stream)
  .then(res => {
   fileUrl = res;
   // console.log(fileUrl);

   //将blob对象转成blob链接
   let filePath = window.URL.createObjectURL(fileUrl);
   // console.log(filePath);
   this.wavesurfer.load(filePath);

   // 自动播放
   this.wavesurfer.play();
   this.playing = true;
  })
  .catch(err => {
   console.log(err);
  });

const dirPath = path.dirname(diskPath);

  playFileList(diskPath, pos) {
   let isInFiles;
   let fileIndex;
   let preIndex;
   let nextIndex;
   let fullPath;
   let dirPath = path.dirname(diskPath);
   let basename = path.basename(diskPath);
   fs.readdir(dirPath, (err, files) => {
    isInFiles = files.includes(basename);

    if (isInFiles && pos === "pre") {
     fileIndex = files.indexOf(basename);
     preIndex = fileIndex - 1;
     fullPath = path.resolve(dirPath, files[preIndex]);

     this.loadMusic(fullPath);
    }
    if (isInFiles && pos === "next") {
     fileIndex = files.indexOf(basename);
     nextIndex = fileIndex + 1;
     fullPath = path.resolve(dirPath, files[nextIndex]);
     this.loadMusic(fullPath);
    }
   });
  },

:style="`background-image:linear-gradient( to right, ${fillColor}, ${fillColor} ${percent}, ${emptyColor} ${percent})`"

  changeVol(e) {
   let val = e.target.value;
   let min = e.target.min;
   let max = e.target.max;
   let rate = (val - min) / (max - min);
   this.percent = 100 * rate + "%";
   console.log(this.percent, rate);
   this.wavesurfer.setVolume(Number(rate));
  },

  close() {
   ipcRenderer.send("close");
  },
  minimize() {
   ipcRenderer.send("minimize");
  }

ipcMain.on("close", () => {
 win.close();
 app.quit();
});

ipcMain.on("minimize", () => {
 win.minimize();
});

const gotTheLock = app.requestSingleInstanceLock();
if (gotTheLock) {
 app.on("second-instance", (event, commandLine, workingDirectory) => {
  // 监听是否有第二个实例，向渲染进程发送第二个实例的本地路径
  win.webContents.send("path", `${commandLine[commandLine.length - 1]}`);
  if (win) {
   if (win.isMinimized()) win.restore();
   win.focus();
  }
 });

 app.on("ready", async () => {
  createWindow();
 });
} else {
 app.quit();
}

 ipcRenderer.on("path", (event, arg) => {
  const newOriginPath = arg;

  // console.log(newOriginPath);
  this.loadMusic(newOriginPath);
 });

yarn add electron-updater

  electronBuilder: {
   builderOptions: {
    publish: ['github']
   }
  }

autoUpdater.on("checking-for-update", () => {});
autoUpdater.on("update-available", info => {
 dialog.showMessageBox({
  title: "新版本发布",
  message: "有新内容更新，稍后将重新为您安装",
  buttons: ["确定"],
  type: "info",
  noLink: true
 });
});

autoUpdater.on("update-downloaded", info => {
 autoUpdater.quitAndInstall();
});

[Environment]::SetEnvironmentVariable("GH_TOKEN","<YOUR_TOKEN_HERE>","User")
# 例如 [Environment]::SetEnvironmentVariable("GH_TOKEN","sdfdsfgsdg14463232","User")

yarn electron:build -p always