1、https://electronjs.org/docs/api/web-contents
2、通常用：
monitorEvents(document.body, ‘mouse‘) 检测正常的值：
For mouse events, the event object also have following properties: x Integer (required) // left值 y Integer (required) // top值 button String - The button pressed, can be left, middle, right. globalX Integer //对应一处的width globalY Integer //对应一处的height movementX Integer movementY Integer clickCount Integer
原文：https://www.cnblogs.com/cbugs/p/9541325.html