PyQt5中pyqtgraph鼠标获取坐标

npm install  canvas@2.8.0 --ignore-scripts

只要是：npm ERR! Failed at the XXX@X.X.X install script 这种错误
都可以：npm install XXX@X.X.X --ignore-scripts进行更改

https://blog.csdn.net/YXWik/article/details/119039561