net

使用Chromium的原生网络库发出HTTP / HTTPS请求

进程：主进程

net 模块是一个发送 HTTP(S) 请求的客户端API。 它类似于Node.js的HTTP 和 HTTPS 模块 ，但它使用的是Chromium原生网络库来替代Node.js的实现，提供更好的网络代理支持。 它还支持检查网络状态。

下面是一个非详尽的列表, 用于说明为什么使用 net 模块而不是原生Node. js 模块:

• 系统代理配置的自动管理, 支持 wpad 协议和代理 pac 配置文件。
• HTTPS 请求的自动隧道。
• 支持使用basic、digest、NTLM、Kerberos 或协商身份验证方案对代理进行身份验证。
• 支持传输监控代理: 类似于Fiddler代理，用于访问控制和监视。

The API components (including classes, methods, properties and event names) are similar to those used in Node.js.

Example usage:

const { app } = require('electron')
app.whenReady().then(() => {
  const { net } = require('electron')
  const request = net.request('https://github.com')
  request.on('response', (response) => {
    console.log(`STATUS: ${response.statusCode}`)
    console.log(`HEADERS: ${JSON.stringify(response.headers)}`)
    response.on('data', (chunk) => {
      console.log(`BODY: ${chunk}`)
    })
    response.on('end', () => {
      console.log('No more data in response.')
    })
  })
  request.end()
})

The net API can be used only after the application emits the ready event. Trying to use the module before the ready event will throw an error.

方法

net 模块具有以下方法:

net.request(options)

• options (ClientRequestConstructorOptions | String) - The ClientRequest constructor options.

返回 ClientRequest

使用 options 创建 ClientRequest 实例, 这些选项直接转发到 ClientRequest 的构造函数。 net.request 方法将根据 options 对象中的指定协议方案, 去发送安全和不安全的 HTTP 请求（ both secure and insecure HTTP requests）。

net.isOnline()

Returns Boolean - Whether there is currently internet connection.

A return value of false is a pretty strong indicator that the user won’t be able to connect to remote sites. However, a return value of true is inconclusive; even if some link is up, it is uncertain whether a particular connection attempt to a particular remote site will be successful.

Properties

net.online Readonly

A Boolean property. Whether there is currently internet connection.

A return value of false is a pretty strong indicator that the user won’t be able to connect to remote sites. However, a return value of true is inconclusive; even if some link is up, it is uncertain whether a particular connection attempt to a particular remote site will be successful.