手动截图通过F12的审查元素-找到url地址(右键下载、或者通过代码下载)通过F12的审查元素-右键截图通过F12的审查元素-Application/frame/top/images截图

具体可参考

https://vip.jokerps.com/document/8393.html

https://blog.csdn.net/qq_25603827/article/details/115495305

https://tech.wmzhe.com/article/8534.html