node的iohook库
# 监听全局键盘

```js
'use strict';
const ioHook = require('iohook');
ioHook.on('keydown', event => {
  console.log(event); // { type: 'mousemove', x: 700, y: 400 }
});
// Register and start hook
ioHook.start();
// Alternatively, pass true to start in DEBUG mode.
ioHook.start(true);
```

# 监听全局鼠标

```js
'use strict';
const ioHook = require('iohook');
ioHook.on('mousemove', event => {
  console.log(event); // { type: 'mousemove', x: 700, y: 400 }
});
// Register and start hook
ioHook.start();
// Alternatively, pass true to start in DEBUG mode.
ioHook.start(true);
```