nw.js打开双应用："single-instance":false弃用后的实现方法

Hey there! Let's tackle your NW.js questions one by one, nice and clear:

1. 如何使用NW.js打开2个不同的应用 #

This is actually straightforward—if your two apps are separate (each has its own package.json and resources), you just need to launch them independently:

• Open a terminal, navigate to the first app's root folder, and run nw . (make sure NW.js is in your system PATH, or use the full path to the NW executable if it's not).
• Open another terminal window, head to the second app's root folder, and run nw . again.
  Boom, two separate NW.js apps will run side by side, completely independent of each other.

2. 当single-instance配置项被弃用时，如何启动同一个NW.js应用的多个实例 #

First, a quick clarification: the single-instance manifest option is indeed deprecated in NW.js. If your goal is to run multiple copies of the same app (not different apps), here are two solid workarounds:

方法1：启动时添加--multi-instance命令行参数 #

NW.js provides a command-line flag to force multi-instance behavior. Just add it when launching your app:

nw . --multi-instance

Run the same command again to spin up a second instance of the app. This flag overrides the default single-instance restriction.

方法2：在应用内部通过代码触发新实例 #

If you want to open a new instance from within the running app (like via a button click), use NW.js's App module to launch a new process:

const { App } = require('nw.gui');
const path = require('path');

// Example function to trigger when a button is clicked
function openNewAppInstance() {
  const appRoot = process.cwd();
  // Launch a new instance with the --multi-instance flag
  App.openFile(path.join(appRoot, 'package.json'), {
    args: ['--multi-instance']
  });
}

This lets you spawn a new copy of the same app directly from the existing one.

小补充 #

If you still just need to open different apps, you don't have to worry about the deprecated single-instance setting at all. NW.js treats apps with different name or uuid values (configured in package.json) as separate entities, so launching them individually works by default.

内容的提问来源于stack exchange，提问作者Eduard Arevshatyan