MessageChannelMain
MessageChannelMain
是 DOM MessageChannel
对象的主进程端等效项。它的奇异功能是创建一对连接的 MessagePortMain
对象。
¥MessageChannelMain
is the main-process-side equivalent of the DOM
MessageChannel
object. Its singular function is to create a pair of
connected MessagePortMain
objects.
有关使用通道消息传递的更多信息,请参阅 渠道消息 API 文档。
¥See the Channel Messaging API documentation for more information on using channel messaging.
类:MessageChannelMain
¥Class: MessageChannelMain
主进程中用于通道消息传递的通道接口。
¥Channel interface for channel messaging in the main process.
进程:主进程
¥Process: Main
示例:
¥Example:
// Main process
const { BrowserWindow, MessageChannelMain } = require('electron')
const w = new BrowserWindow()
const { port1, port2 } = new MessageChannelMain()
w.webContents.postMessage('port', null, [port2])
port1.postMessage({ some: 'message' })
// Renderer process
const { ipcRenderer } = require('electron')
ipcRenderer.on('port', (e) => {
// e.ports is a list of ports sent along with this message
e.ports[0].onmessage = (messageEvent) => {
console.log(messageEvent.data)
}
})
实例属性
¥Instance Properties
channel.port1
MessagePortMain
属性。
¥A MessagePortMain
property.
channel.port2
MessagePortMain
属性。
¥A MessagePortMain
property.