我们如何在Electron中将消息的主要过程发送到渲染器过程 [英] How can we send messages main process to renderer process in Electron

问题描述

我是第一次玩电子游戏.尝试创建文本编辑器

I'm playing with electron for the first time. Trying to create a text editor

在渲染中，我正在发送一条消息，指示内容已更改并且需要保存:

In render I'm sending a message to indicated the content has changed and needs saving:

document.getElementById('content').onkeyup = e => {
  ipcRenderer.send('SAVE_NEEDED', {
    content: e.target.innerHTML,
    fileDir
  })
}

然后 ipcMain 没问题.在菜单上，我有这个:

Then ipcMain receives it no problem. On the menu I have this:

{
  label: 'Save',
  click: _ => {
     saveFile(message)
     // trying:
     // ipcMain.send('SAVED', 'File Saved')
     },
     accelerator: 'cmd+S', // shortcut
}

使用户知道文件已经拥有.但这似乎不起作用.还有其他方法吗?我本以为保存"是一个预先创建的角色(某种)

So that the user knows the files has have. But that doesn't seem to work. Is there any other way to do this? I would have thought "save" would be a pre-created role (sort of)

推荐答案

要将消息发送回渲染器，您将使用:

To send a message back to the renderer you would use:

win.webContents.send('asynchronous-message', {'SAVED': 'File Saved'});

并像这样接收它:

ipcRenderer.on('asynchronous-message', function (evt, message) {
    console.log(message); // Returns: {'SAVED': 'File Saved'}
});

其中 asynchronous-message 只是您要将其发送到的频道.它实际上可以是任何东西.

Where asynchronous-message is simply the channel you're sending it to. It can literally be anything.

webContents.send 文档

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